Organisationsahrefsocannl2031ff ()debian-12-5.3+flambda_opam-2.4

debian-12-5.3+flambda_opam-2.4

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2025-08-14 05:39.36: New job: test ahrefs/ocannl https://github.com/ahrefs/ocannl.git#refs/heads/master (2031ff16ca7a83e65f8fb82c38d4202265cc2cca) (linux-x86_64:debian-12-5.3+flambda_opam-2.4)
Base: ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ahrefs/ocannl.git" -b "master" && cd "ocannl" && git reset --hard 2031ff16
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68
# debian-12-5.3+flambda_opam-2.4
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam
RUN opam init --reinit -ni
RUN uname -rs && opam exec -- ocaml -version && opam --version
WORKDIR /src
RUN sudo chown opam /src
RUN cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 neural_nets_lib.opam arrayjit.opam ./
RUN opam pin add -yn neural_nets_lib.dev './' && \
opam pin add -yn arrayjit.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 dune-private-libs.3.19.1 dune-site.3.19.1 dyn.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.3.0+options ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ordering.3.19.1 parsexp.v0.17.0 pp.2.0.0 pprint.20230830 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_fields_conv.v0.17.0 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_minidebug.2.3.0 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppx_string.v0.17.0 ppx_variants_conv.v0.17.1 ppxlib.0.36.0 ppxlib_jane.v0.17.4 printbox.0.12 printbox-ext-plot.0.12 printbox-html.0.12 printbox-md.0.12 printbox-text.0.12 ptime.1.2.0 re.1.13.2 result.1.5 saturn_lockfree.0.5.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 stdune.3.19.1 thread-local-storage.0.2 time_now.v0.17.0 topkg.1.1.0 tyxml.4.6.0 uucp.16.0.0 uutf.1.0.4 variantslib.v0.17.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.4 --depext-only -y neural_nets_lib.dev arrayjit.dev $DEPS
RUN opam install $DEPS
COPY --chown=1000:1000 . /src
RUN opam exec -- dune build @install @check @runtest && rm -rf _build


END-OF-DOCKERFILE
docker build .
END-REPRO-BLOCK


2025-08-14 05:39.36: Using cache hint "ahrefs/ocannl-ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68-debian-12-5.3+flambda_opam-2.4-132475af3e6ddd44ad76e37f5d1f298b"
2025-08-14 05:39.36: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68)
(comment debian-12-5.3+flambda_opam-2.4)
(user (uid 1000) (gid 1000))
(env CLICOLOR_FORCE 1)
(env OPAMCOLOR always)
(workdir /src)
(run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
(run (shell "opam init --reinit -ni"))
(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
(workdir /src)
(run (shell "sudo chown opam /src"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
(run (network host)
(shell  "opam pin add -yn neural_nets_lib.dev './' && \
\nopam pin add -yn arrayjit.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 dune-private-libs.3.19.1 dune-site.3.19.1 dyn.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.3.0+options ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ordering.3.19.1 parsexp.v0.17.0 pp.2.0.0 pprint.20230830 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_fields_conv.v0.17.0 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_minidebug.2.3.0 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppx_string.v0.17.0 ppx_variants_conv.v0.17.1 ppxlib.0.36.0 ppxlib_jane.v0.17.4 printbox.0.12 printbox-ext-plot.0.12 printbox-html.0.12 printbox-md.0.12 printbox-text.0.12 ptime.1.2.0 re.1.13.2 result.1.5 saturn_lockfree.0.5.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 stdune.3.19.1 thread-local-storage.0.2 time_now.v0.17.0 topkg.1.1.0 tyxml.4.6.0 uucp.16.0.0 uutf.1.0.4 variantslib.v0.17.0")
(env CI true)
(env OCAMLCI true)
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update --depexts && opam install --cli=2.4 --depext-only -y neural_nets_lib.dev arrayjit.dev $DEPS"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
(copy (src .) (dst /src))
(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
)


2025-08-14 05:39.36: Waiting for resource in pool OCluster
2025-08-14 05:39.36: Waiting for worker…
2025-08-14 05:39.37: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
HEAD is now at 2031ff16 Slight pivot: postpone shape handling enhancements till after achieving performance


(from ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68)
2025-08-14 05:39.38 ---> using "8f19063995d2e91975b673384143fa4316c06cf525acaad5ddc9dfe32e879b21" from cache


/: (comment debian-12-5.3+flambda_opam-2.4)


/: (user (uid 1000) (gid 1000))


/: (env CLICOLOR_FORCE 1)


/: (env OPAMCOLOR always)


/: (workdir /src)


/src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
2025-08-14 05:39.38 ---> using "3964d961645aac4701995e7afa81c4230383d448cff22e07a607fd337d9459ea" from cache


/src: (run (shell "opam init --reinit -ni"))
Configuring from /home/opam/.opamrc and then from built-in defaults.
Checking for available remotes: rsync and local, git.
- you won't be able to use mercurial repositories unless you install the hg command on your system.
- you won't be able to use darcs repositories unless you install the darcs command on your system.


Continue? [Y/n] y
This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.
You may want to back it up before going further.


Format upgrade done.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-08-14 05:39.38 ---> using "5aebcfda9685f3a603e14fa984661649d5b4c24cad7ac53b2dbd7993b0191857" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-63-generic
The OCaml toplevel, version 5.3.0
2.4.1
2025-08-14 05:39.38 ---> using "b3767d8466038a203e474e97e3c72b7e65c6cd3e74da7a70330f79ca1443edbb" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-08-14 05:39.38 ---> using "3777998cb18ca2c1bd519ed60e51da93fddf8559566beec5a9ce7afd99330774" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u"))
e77940d8ff Merge pull request #28255 from dbuenzli/b0-publish-fmt.0.11.0


<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from git+file:///home/opam/opam-repository


Already up-to-date.
Nothing to do.
# To update the current shell environment, run: eval $(opam env)
2025-08-14 05:39.55 ---> saved as "63b31d405cf8a512f06ec83086bb2087cf3a01b407c89d327ccfecbb2baa0e5a"


/src: (copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
2025-08-14 05:39.55 ---> saved as "2d0faef7c38b3b7928d9e5d425bc401536047ef00db7c3d8993a8a1b358edd4f"


/src: (run (network host)
(shell  "opam pin add -yn neural_nets_lib.dev './' && \
\nopam pin add -yn arrayjit.dev './'"))
[neural_nets_lib.dev] synchronised (file:///src)
neural_nets_lib is now pinned to file:///src (version dev)
[arrayjit.dev] synchronised (file:///src)
arrayjit is now pinned to file:///src (version dev)
2025-08-14 05:39.58 ---> saved as "6c2ab594ad659ceacf9e4b8bcc4a86c7c471fc620454908adc5cb5b056b4696a"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-08-14 05:39.59 ---> saved as "08254241e4455cfa54ce1c982394b67c3f9e43e8d83d366fa9e9b3d26f40875d"


/src: (env DEPS "angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 dune-private-libs.3.19.1 dune-site.3.19.1 dyn.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.3.0+options ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ordering.3.19.1 parsexp.v0.17.0 pp.2.0.0 pprint.20230830 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_fields_conv.v0.17.0 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_minidebug.2.3.0 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppx_string.v0.17.0 ppx_variants_conv.v0.17.1 ppxlib.0.36.0 ppxlib_jane.v0.17.4 printbox.0.12 printbox-ext-plot.0.12 printbox-html.0.12 printbox-md.0.12 printbox-text.0.12 ptime.1.2.0 re.1.13.2 result.1.5 saturn_lockfree.0.5.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 stdune.3.19.1 thread-local-storage.0.2 time_now.v0.17.0 topkg.1.1.0 tyxml.4.6.0 uucp.16.0.0 uutf.1.0.4 variantslib.v0.17.0")


/src: (env CI true)


/src: (env OCAMLCI true)


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update --depexts && opam install --cli=2.4 --depext-only -y neural_nets_lib.dev arrayjit.dev $DEPS"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian bookworm InRelease [151 kB]
- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
- Get:4 http://deb.debian.org/debian bookworm-updates/main amd64 Packages.diff/Index [21.8 kB]
- Ign:4 http://deb.debian.org/debian bookworm-updates/main amd64 Packages.diff/Index
- Get:5 http://deb.debian.org/debian bookworm-updates/main amd64 Packages [6924 B]
- Get:6 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [274 kB]
- Fetched 557 kB in 1s (1051 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[arrayjit.dev] synchronised (file:///src)
[neural_nets_lib.dev] synchronised (file:///src)


[NOTE] Package ocaml-variants is already installed (current version is 5.3.0+options).
[NOTE] Package ocaml-config is already installed (current version is 3).
[NOTE] Package ocaml-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml is already installed (current version is 5.3.0).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-nnp is already installed (current version is base).
[NOTE] Package base-effects is already installed (current version is base).
[NOTE] Package base-domains is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).


The following system packages will first need to be installed:
libcurl4-gnutls-dev libffi-dev pkg-config zlib1g-dev


<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>


+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libcurl4-gnutls-dev" "libffi-dev" "pkg-config" "zlib1g-dev"
- debconf: delaying package configuration, since apt-utils is not installed
- Selecting previously unselected package libcurl4-gnutls-dev:amd64.
- (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 18778 files and directories currently installed.)
- Preparing to unpack .../0-libcurl4-gnutls-dev_7.88.1-10+deb12u12_amd64.deb ...
- Unpacking libcurl4-gnutls-dev:amd64 (7.88.1-10+deb12u12) ...
- Selecting previously unselected package libffi-dev:amd64.
- Preparing to unpack .../1-libffi-dev_3.4.4-1_amd64.deb ...
- Unpacking libffi-dev:amd64 (3.4.4-1) ...
- Selecting previously unselected package libpkgconf3:amd64.
- Preparing to unpack .../2-libpkgconf3_1.8.1-1_amd64.deb ...
- Unpacking libpkgconf3:amd64 (1.8.1-1) ...
- Selecting previously unselected package pkgconf-bin.
- Preparing to unpack .../3-pkgconf-bin_1.8.1-1_amd64.deb ...
- Unpacking pkgconf-bin (1.8.1-1) ...
- Selecting previously unselected package pkgconf:amd64.
- Preparing to unpack .../4-pkgconf_1.8.1-1_amd64.deb ...
- Unpacking pkgconf:amd64 (1.8.1-1) ...
- Selecting previously unselected package pkg-config:amd64.
- Preparing to unpack .../5-pkg-config_1.8.1-1_amd64.deb ...
- Unpacking pkg-config:amd64 (1.8.1-1) ...
- Selecting previously unselected package zlib1g-dev:amd64.
- Preparing to unpack .../6-zlib1g-dev_1%3a1.2.13.dfsg-1_amd64.deb ...
- Unpacking zlib1g-dev:amd64 (1:1.2.13.dfsg-1) ...
- Setting up libcurl4-gnutls-dev:amd64 (7.88.1-10+deb12u12) ...
- Setting up libffi-dev:amd64 (3.4.4-1) ...
- Setting up libpkgconf3:amd64 (1.8.1-1) ...
- Setting up pkgconf-bin (1.8.1-1) ...
- Setting up zlib1g-dev:amd64 (1:1.2.13.dfsg-1) ...
- Setting up pkgconf:amd64 (1.8.1-1) ...
- Setting up pkg-config:amd64 (1.8.1-1) ...
- Processing triggers for libc-bin (2.36-9+deb12u10) ...
2025-08-14 05:40.10 ---> saved as "01a0bc33ee314b71f22700bd6686aea6d06a02e7c6dedc62941cf37400eb4125"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
[NOTE] Package ocaml-variants is already installed (current version is 5.3.0+options).
[NOTE] Package ocaml-config is already installed (current version is 3).
[NOTE] Package ocaml-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml is already installed (current version is 5.3.0).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-nnp is already installed (current version is base).
[NOTE] Package base-effects is already installed (current version is base).
[NOTE] Package base-domains is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).
The following actions will be performed:
=== install 87 packages
- install angstrom                0.16.1
- install astring                 0.8.5
- install backoff                 0.1.1
- install base                    v0.17.3
- install base-bytes              base
- install bigarray-compat         1.1.0
- install bigstringaf             0.10.0
- install camlp-streams           5.0.1
- install camlzip                 1.13
- install cmdliner                1.3.0
- install conf-libcurl            2
- install conf-libffi             2.0.0
- install conf-pkg-config         4
- install conf-zlib               1
- install cppo                    1.8.0
- install csexp                   1.5.2
- install csv                     2.4
- install ctypes                  0.23.0
- install ctypes-foreign          0.23.0
- install curl                    0.10.0
- install dune                    3.19.1
- install dune-configurator       3.19.1
- install dune-private-libs       3.19.1
- install dune-site               3.19.1
- install dyn                     3.19.1
- install fieldslib               v0.17.0
- install fmt                     0.11.0
- install integers                0.7.0
- install jane-street-headers     v0.17.0
- install jst-config              v0.17.0
- install logs                    0.9.0
- install mdx                     2.5.0
- install mtime                   2.1.0
- install multicore-magic         2.3.1
- install num                     1.6
- install ocaml-compiler-libs     v0.17.0
- install ocaml-syntax-shims      1.0.0
- install ocaml-version           4.0.1
- install ocaml_intrinsics_kernel v0.17.1
- install ocamlbuild              0.16.1
- install ocamlfind               1.9.8
- install ordering                3.19.1
- install parsexp                 v0.17.0
- install pp                      2.0.0
- install pprint                  20230830
- install ppx_assert              v0.17.0
- install ppx_base                v0.17.0
- install ppx_cold                v0.17.0
- install ppx_compare             v0.17.0
- install ppx_derivers            1.2.1
- install ppx_deriving            6.1.1
- install ppx_enumerate           v0.17.0
- install ppx_expect              v0.17.3
- install ppx_fields_conv         v0.17.0
- install ppx_globalize           v0.17.2
- install ppx_hash                v0.17.0
- install ppx_here                v0.17.0
- install ppx_inline_test         v0.17.1
- install ppx_minidebug           2.3.0
- install ppx_optcomp             v0.17.1
- install ppx_sexp_conv           v0.17.1
- install ppx_string              v0.17.0
- install ppx_variants_conv       v0.17.1
- install ppxlib                  0.36.0
- install ppxlib_jane             v0.17.4
- install printbox                0.12
- install printbox-ext-plot       0.12
- install printbox-html           0.12
- install printbox-md             0.12
- install printbox-text           0.12
- install ptime                   1.2.0
- install re                      1.13.2
- install result                  1.5
- install saturn_lockfree         0.5.0
- install seq                     base
- install sexplib                 v0.17.0
- install sexplib0                v0.17.0
- install stdio                   v0.17.0
- install stdlib-shims            0.3.0
- install stdune                  3.19.1
- install thread-local-storage    0.2
- install time_now                v0.17.0
- install topkg                   1.1.0
- install tyxml                   4.6.0
- install uucp                    16.0.0
- install uutf                    1.0.4
- install variantslib             v0.17.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved angstrom.0.16.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved backoff.0.1.1  (cached)
-> retrieved bigarray-compat.1.1.0  (cached)
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved base.v0.17.3  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved camlzip.1.13  (cached)
-> installed conf-libcurl.2
-> installed conf-pkg-config.4
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> installed conf-libffi.2.0.0
-> installed conf-zlib.1
-> retrieved csv.2.4  (cached)
-> retrieved ctypes.0.23.0, ctypes-foreign.0.23.0  (cached)
-> retrieved curl.0.10.0  (cached)
-> retrieved fieldslib.v0.17.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved integers.0.7.0  (cached)
-> retrieved jane-street-headers.v0.17.0  (cached)
-> retrieved jst-config.v0.17.0  (cached)
-> retrieved logs.0.9.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved multicore-magic.2.3.1  (cached)
-> retrieved mdx.2.5.0  (cached)
-> retrieved num.1.6  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocaml-syntax-shims.1.0.0  (cached)
-> retrieved ocaml-version.4.0.1  (cached)
-> retrieved ocaml_intrinsics_kernel.v0.17.1  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved parsexp.v0.17.0  (cached)
-> retrieved pp.2.0.0  (cached)
-> retrieved pprint.20230830  (cached)
-> retrieved ppx_assert.v0.17.0  (cached)
-> retrieved ppx_base.v0.17.0  (cached)
-> retrieved ppx_cold.v0.17.0  (cached)
-> retrieved ppx_compare.v0.17.0  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved dune.3.19.1, dune-configurator.3.19.1, dune-private-libs.3.19.1, dune-site.3.19.1, dyn.3.19.1, ordering.3.19.1, stdune.3.19.1  (cached)
-> retrieved ppx_deriving.6.1.1  (cached)
-> retrieved ppx_enumerate.v0.17.0  (cached)
-> retrieved ppx_expect.v0.17.3  (cached)
-> retrieved ppx_fields_conv.v0.17.0  (cached)
-> retrieved ppx_globalize.v0.17.2  (cached)
-> retrieved ppx_hash.v0.17.0  (cached)
-> retrieved ppx_here.v0.17.0  (cached)
-> retrieved ppx_inline_test.v0.17.1  (cached)
-> retrieved ppx_optcomp.v0.17.1  (cached)
-> installed cmdliner.1.3.0
-> installed num.1.6
-> retrieved ppx_minidebug.2.3.0  (cached)
-> retrieved ppx_sexp_conv.v0.17.1  (cached)
-> retrieved ppx_string.v0.17.0  (cached)
-> retrieved ppx_variants_conv.v0.17.1  (cached)
-> retrieved ppxlib_jane.v0.17.4  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved ppxlib.0.36.0  (cached)
-> retrieved re.1.13.2  (cached)
-> retrieved result.1.5  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib.v0.17.0  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved saturn_lockfree.0.5.0  (cached)
-> retrieved printbox.0.12, printbox-ext-plot.0.12, printbox-html.0.12, printbox-md.0.12, printbox-text.0.12  (cached)
-> retrieved stdio.v0.17.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved thread-local-storage.0.2  (cached)
-> retrieved time_now.v0.17.0  (cached)
-> retrieved topkg.1.1.0  (cached)
-> retrieved tyxml.4.6.0  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved variantslib.v0.17.0  (cached)
-> retrieved uucp.16.0.0  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed camlzip.1.13
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.0
-> installed mtime.2.1.0
-> installed uutf.1.0.4
-> installed fmt.0.11.0
-> installed ptime.1.2.0
-> installed astring.0.8.5
-> installed logs.0.9.0
-> installed dune.3.19.1
-> installed backoff.0.1.1
-> installed bigarray-compat.1.1.0
-> installed camlp-streams.5.0.1
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed csv.2.4
-> installed jane-street-headers.v0.17.0
-> installed multicore-magic.2.3.1
-> installed ocaml-compiler-libs.v0.17.0
-> installed ocaml-syntax-shims.1.0.0
-> installed ocaml-version.4.0.1
-> installed ocaml_intrinsics_kernel.v0.17.1
-> installed pp.2.0.0
-> installed pprint.20230830
-> installed ppx_derivers.1.2.1
-> installed printbox.0.12
-> installed re.1.13.2
-> installed result.1.5
-> installed sexplib0.v0.17.0
-> installed stdlib-shims.0.3.0
-> installed thread-local-storage.0.2
-> installed saturn_lockfree.0.5.0
-> installed integers.0.7.0
-> installed ordering.3.19.1
-> installed parsexp.v0.17.0
-> installed dune-configurator.3.19.1
-> installed dyn.3.19.1
-> installed sexplib.v0.17.0
-> installed bigstringaf.0.10.0
-> installed mdx.2.5.0
-> installed angstrom.0.16.1
-> installed curl.0.10.0
-> installed tyxml.4.6.0
-> installed printbox-html.0.12
-> installed stdune.3.19.1
-> installed uucp.16.0.0
-> installed ctypes.0.23.0
-> installed printbox-text.0.12
-> installed printbox-md.0.12
-> installed base.v0.17.3
-> installed printbox-ext-plot.0.12
-> installed dune-private-libs.3.19.1
-> installed fieldslib.v0.17.0
-> installed stdio.v0.17.0
-> installed variantslib.v0.17.0
-> installed ctypes-foreign.0.23.0
-> installed dune-site.3.19.1
-> installed ppxlib.0.36.0
-> installed ppx_optcomp.v0.17.1
-> installed ppxlib_jane.v0.17.4
-> installed ppx_cold.v0.17.0
-> installed ppx_here.v0.17.0
-> installed ppx_variants_conv.v0.17.1
-> installed ppx_fields_conv.v0.17.0
-> installed ppx_globalize.v0.17.2
-> installed ppx_enumerate.v0.17.0
-> installed ppx_deriving.6.1.1
-> installed ppx_compare.v0.17.0
-> installed ppx_sexp_conv.v0.17.1
-> installed ppx_hash.v0.17.0
-> installed ppx_assert.v0.17.0
-> installed ppx_minidebug.2.3.0
-> installed ppx_base.v0.17.0
-> installed jst-config.v0.17.0
-> installed ppx_string.v0.17.0
-> installed time_now.v0.17.0
-> installed ppx_inline_test.v0.17.1
-> installed ppx_expect.v0.17.3
Done.
# To update the current shell environment, run: eval $(opam env)
2025-08-14 05:42.15 ---> saved as "59f43b81e48adac6abe6cd91a0c36b11352f9254e0345efe4f665e4f4d8f8556"


/src: (copy (src .) (dst /src))
2025-08-14 05:42.16 ---> saved as "9f3e0087b09a5b74e6b74dc92207916b02635c48b8dff90dee3887facff376e0"


/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
File "arrayjit/test/dune", line 6, characters 16-24:
6 |   (pps ppx_here ppx_jane)))
^^^^^^^^
Error: Library "ppx_jane" not found.
-> required by
_build/default/arrayjit/test/.merlin-conf/exe-test_numerical_types
-> required by alias arrayjit/test/check
(cd _build/default/test/operations/config && ../../../arrayjit/bin/read_config.exe --read=backend)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Wrote value of 'backend' to ocannl_backend.txt
(cd _build/default/test/operations && ./threefry4x32_demo.exe --ocannl_output_prec_in_ll_files=true --ocannl_output_debug_files_in_build_directory=true)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Generated 48 uniform random numbers:
[0]: 0.831543
[1]: 0.237549
[2]: 0.951172
[3]: 0.120911
[4]: 0.862793
[5]: 0.485352
[6]: 0.674316
[7]: 0.235840
[8]: 0.940918
[9]: 0.007248
[10]: 0.228271
[11]: 0.902832
[12]: 0.403564
[13]: 0.635254
[14]: 0.440674
[15]: 0.443604
[16]: 0.985352
[17]: 0.635254
[18]: 0.252686
[19]: 0.655762
[20]: 0.506836
[21]: 0.048828
[22]: 0.914551
[23]: 0.854004
[24]: 0.942871
[25]: 0.836426
[26]: 0.276855
[27]: 0.749023
[28]: 0.879883
[29]: 0.045044
[30]: 0.203247
[31]: 0.380127
[32]: 0.145630
[33]: 0.250000
[34]: 0.541016
[35]: 0.626953
[36]: 0.852051
[37]: 0.109009
[38]: 0.480713
[39]: 0.904785
[40]: 0.415039
[41]: 0.346924
[42]: 0.269287
[43]: 0.016891
[44]: 0.469238
[45]: 0.454346
[46]: 0.672852
[47]: 0.538086
(cd _build/default/test/operations && ./test_threefry_precision.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Threefry4x32 result precision: uint4x32
Uniform result precision: single
Retrieving commandline, environment, or config file variable ocannl_backend
Found sync_cc, in the config file
Retrieving commandline, environment, or config file variable ocannl_cd_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_ll_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_output_prec_in_ll_files
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_inline_complex_computations
Not found, using default true
Retrieving commandline, environment, or config file variable ocannl_prefer_backend_uniformity
Found true, in the config file
Retrieving commandline, environment, or config file variable ocannl_debug_log_to_stream_files
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_stack_threshold_in_bytes
Not found, using default 16384
Retrieving commandline, environment, or config file variable ocannl_output_dlls_in_build_directory
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_cc_backend_optimization_level
Not found, using default 3
Retrieving commandline, environment, or config file variable ocannl_cc_backend_compiler_command
Not found, using default gcc
Retrieving commandline, environment, or config file variable ocannl_cc_backend_verify_codesign
Not found, using default false
Compilation successful!
Actual tensor precision in context: uint4x32
(cd _build/default/test/ppx && ./test_ppx_op_expected.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/default/test/ppx && ./test_ppx_op.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/ed3aa401904e59fa2305675cf2bd893e/default/test/einsum && .einsum_tutorials.inline-tests/inline-test-runner.exe inline-test-runner einsum_tutorials -partition 'Retrieving commandline, environment, or config file variable ocannl_log_level' -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/ed3aa401904e59fa2305675cf2bd893e/default/test/einsum && .einsum_tutorials.inline-tests/inline-test-runner.exe inline-test-runner einsum_tutorials -partition 'Found 0, in the config file' -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/default/test/operations && ./top_down_prec.exe --ocannl_output_prec_in_ll_files=true --ocannl_output_debug_files_in_build_directory=true)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
#8 *._d
8.00
#9 grad_*._d Virt/30
<void>
#6 + Virt/152                 │#4 c non-emb
<void>                        │ 2.00
#7 grad_+ Virt/30             │#5 grad_c Local/26030
<void>                        │<void>
#0 a non-emb         │#2 b non-emb         │
2.00                │ 2.00                │
#1 grad_a Local/26030│#3 grad_b Local/26030│
<void>               │<void>               │
(cd _build/.sandbox/3775b259afeb0243ea992a0e70e982d0/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition 'Found 0, in the config file' -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/3775b259afeb0243ea992a0e70e982d0/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition 'Retrieving commandline, environment, or config file variable ocannl_log_level' -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/default/test/operations && ./micrograd_demo_logging.exe --ocannl_debug_backend=text --ocannl_log_file_stem=micrograd_demo_logging --ocannl_log_main_domain_to_stdout=false --ocannl_debug_log_to_stream_files=true)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Retrieving commandline, environment, or config file variable ocannl_backend
Found sync_cc, in the config file
Retrieving commandline, environment, or config file variable ocannl_never_capture_stdout
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_cd_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_ll_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_output_prec_in_ll_files
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_inline_complex_computations
Not found, using default true
Retrieving commandline, environment, or config file variable ocannl_prefer_backend_uniformity
Found true, in the config file
Retrieving commandline, environment, or config file variable ocannl_debug_log_to_stream_files
Found true, commandline --ocannl_debug_log_to_stream_files=true
Retrieving commandline, environment, or config file variable ocannl_stack_threshold_in_bytes
Not found, using default 16384
Retrieving commandline, environment, or config file variable ocannl_output_dlls_in_build_directory
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_cc_backend_optimization_level
Not found, using default 3
Retrieving commandline, environment, or config file variable ocannl_cc_backend_compiler_command
Not found, using default gcc
Retrieving commandline, environment, or config file variable ocannl_cc_backend_verify_codesign
Not found, using default false
HERE: test/operations/micrograd_demo_logging.ml:35:21
┌────────────────────┐
│[70]: +_g shape 0:1 │
│┌┬─────────┐        │
│││axis 0   │        │
│├┼─────────┤        │
│││ 2.47e+1 │        │
│└┴─────────┘        │
└────────────────────┘
HERE: test/operations/micrograd_demo_logging.ml:36:21
┌─────────────────┐
│[0]: a shape 0:1 │
│┌┬───────┐       │
│││axis 0 │       │
│├┼───────┤       │
│││ -4.00 │       │
│└┴───────┘       │
└─────────────────┘
┌────────────────────────┐
│[0]: a shape 0:1  grad_a│
│┌┬─────────┐            │
│││axis 0   │            │
│├┼─────────┤            │
│││ 1.38e+2 │            │
│└┴─────────┘            │
└────────────────────────┘
HERE: test/operations/micrograd_demo_logging.ml:37:21
┌─────────────────┐
│[2]: b shape 0:1 │
│┌┬──────┐        │
│││axis 0│        │
│├┼──────┤        │
│││ 2.00 │        │
│└┴──────┘        │
└─────────────────┘
┌────────────────────────┐
│[2]: b shape 0:1  grad_b│
│┌┬─────────┐            │
│││axis 0   │            │
│├┼─────────┤            │
│││ 6.45e+2 │            │
│└┴─────────┘            │
└────────────────────────┘
(cd _build/.sandbox/3775b259afeb0243ea992a0e70e982d0/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition test_threefry4x32.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/einsum/moons_demo_variant.expected", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/einsum/moons_demo_variant.expected _build/default/test/einsum/moons_demo_variant.exe.output
diff --git a/_build/default/test/einsum/moons_demo_variant.expected b/_build/default/test/einsum/moons_demo_variant.exe.output
index dec6b08..0d56a97 100644
--- a/_build/default/test/einsum/moons_demo_variant.expected
+++ b/_build/default/test/einsum/moons_demo_variant.exe.output
@@ -42,6 +42,7 @@ n41 grad_relu_margin_loss as relu_margin_loss.grad: Virt/151; single prec 10x1;
n42 10 as _10: Virt/40; single prec 1; mem in bytes: <not-in-yet>
n43 => as n43: Local/9046; single prec 1; mem in bytes: <not-in-yet>
n44 grad_=> as n43.grad: Virt/40; single prec 1; mem in bytes: <not-in-yet>
+n45 /._scalar_loss as scalar_loss: Host&stream/412410; single prec 1; mem in bytes: <not-in-yet>
n46 grad_/._scalar_loss as scalar_loss.grad: Virt/40; single prec 1; mem in bytes: <not-in-yet>
n47 1 as _1: Virt/40; single prec 1; mem in bytes: <not-in-yet>
n48 200 as _200: Virt/40; single prec 1; mem in bytes: <not-in-yet>
@@ -52,6 +53,7 @@ n52 *. as n52: Virt/40; single prec 1; mem in bytes: <not-in-yet>
n53 - as n53: Virt/152; single prec 1; mem in bytes: <not-in-yet>
n54 0.1 as n54: Virt/40; single prec 1; mem in bytes: <not-in-yet>
n55 *. as n55: Virt/152; single prec 1; mem in bytes: <not-in-yet>
+n56 /._learning_rate as learning_rate: Host&stream/412410; single prec 1; mem in bytes: <not-in-yet>
n57 sgd_delta_b1 as sgd_delta_b1: Virt/15; single prec 16; mem in bytes: <not-in-yet>
n58 sgd_momentum_b1 as sgd_momentum_b1: unknown; single prec <not-in-yet>; mem in bytes: <not-in-yet>
n59 0.0001 as n59: Virt/40; single prec 1; mem in bytes: <not-in-yet>
(cd _build/.sandbox/3775b259afeb0243ea992a0e70e982d0/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition zero2hero_1of7.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/3775b259afeb0243ea992a0e70e982d0/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition primitive_ops.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/einsum/einsum_trivia_exec.expected", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/einsum/einsum_trivia_exec.expected _build/default/test/einsum/einsum_trivia_exec.exe.output
diff --git a/_build/default/test/einsum/einsum_trivia_exec.expected b/_build/default/test/einsum/einsum_trivia_exec.exe.output
index 7b623db..8459b07 100644
--- a/_build/default/test/einsum/einsum_trivia_exec.expected
+++ b/_build/default/test/einsum/einsum_trivia_exec.exe.output
@@ -657,159 +657,159 @@ HERE: test/einsum/einsum_trivia_exec.ml:229:21
│└──────┴────────────────────────────────────┘│
└─────────────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:254:21
-┌────────────────────────────────┐
-│[9]: ;=>+ shape 0:4,1:5,2:6,3:3 │
-│┌──────┬──────────────────┐     │
-││0 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 0.00  0.00  0.00 │     │
-││axis 2│ 0.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  0.00  4.00 │     │
-││      │ 0.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 0.00  1.00  0.00 │     │
-││axis 2│ 0.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  1.00  4.00 │     │
-││      │ 0.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 0.00  2.00  0.00 │     │
-││axis 2│ 0.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  2.00  4.00 │     │
-││      │ 0.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 0.00  3.00  0.00 │     │
-││axis 2│ 0.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  3.00  4.00 │     │
-││      │ 0.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 0.00  4.00  0.00 │     │
-││axis 2│ 0.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  4.00  4.00 │     │
-││      │ 0.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-├────────────────────────────────┤
-│┌──────┬──────────────────┐     │
-││1 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 1.00  0.00  0.00 │     │
-││axis 2│ 1.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  0.00  4.00 │     │
-││      │ 1.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 1.00  1.00  0.00 │     │
-││axis 2│ 1.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  1.00  4.00 │     │
-││      │ 1.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 1.00  2.00  0.00 │     │
-││axis 2│ 1.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  2.00  4.00 │     │
-││      │ 1.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 1.00  3.00  0.00 │     │
-││axis 2│ 1.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  3.00  4.00 │     │
-││      │ 1.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 1.00  4.00  0.00 │     │
-││axis 2│ 1.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  4.00  4.00 │     │
-││      │ 1.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-├────────────────────────────────┤
-│┌──────┬──────────────────┐     │
-││2 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 2.00  0.00  0.00 │     │
-││axis 2│ 2.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  0.00  4.00 │     │
-││      │ 2.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 2.00  1.00  0.00 │     │
-││axis 2│ 2.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  1.00  4.00 │     │
-││      │ 2.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 2.00  2.00  0.00 │     │
-││axis 2│ 2.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  2.00  4.00 │     │
-││      │ 2.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 2.00  3.00  0.00 │     │
-││axis 2│ 2.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  3.00  4.00 │     │
-││      │ 2.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 2.00  4.00  0.00 │     │
-││axis 2│ 2.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  4.00  4.00 │     │
-││      │ 2.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-├────────────────────────────────┤
-│┌──────┬──────────────────┐     │
-││3 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 3.00  0.00  0.00 │     │
-││axis 2│ 3.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  0.00  4.00 │     │
-││      │ 3.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 3.00  1.00  0.00 │     │
-││axis 2│ 3.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  1.00  4.00 │     │
-││      │ 3.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 3.00  2.00  0.00 │     │
-││axis 2│ 3.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  2.00  4.00 │     │
-││      │ 3.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 3.00  3.00  0.00 │     │
-││axis 2│ 3.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  3.00  4.00 │     │
-││      │ 3.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 3.00  4.00  0.00 │     │
-││axis 2│ 3.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  4.00  4.00 │     │
-││      │ 3.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-└────────────────────────────────┘
+┌─────────────────────────────────────┐
+│[9]: ;=>+ shape 0:4,1:5,2:6,3:3      │
+│┌──────┬────────────────────────────┐│
+││0 @ 0 │axis 3                      ││
+│├──────┼────────────────────────────┤│
+││0 @ 1 │ -7.15e+2   7.00e-45   0.00 ││
+││axis 2│ 0.00       -5.76e-23  1.00 ││
+││      │ ...        ...        ...  ││
+││      │ -5.76e-23  4.32e-41   4.00 ││
+││      │ 4.32e-41   -5.76e-23  5.00 ││
+│├──────┼────────────────────────────┤│
+││1 @ 1 │ -7.15e+2   1.00  0.00      ││
+││axis 2│ 0.00       1.00  1.00      ││
+││      │ ...        ...   ...       ││
+││      │ -5.76e-23  1.00  4.00      ││
+││      │ 4.32e-41   1.00  5.00      ││
+│├──────┼────────────────────────────┤│
+││2 @ 1 │ -7.15e+2   2.00  0.00      ││
+││axis 2│ 0.00       2.00  1.00      ││
+││      │ ...        ...   ...       ││
+││      │ -5.76e-23  2.00  4.00      ││
+││      │ 4.32e-41   2.00  5.00      ││
+│├──────┼────────────────────────────┤│
+││3 @ 1 │ -7.15e+2   3.00  0.00      ││
+││axis 2│ 0.00       3.00  1.00      ││
+││      │ ...        ...   ...       ││
+││      │ -5.76e-23  3.00  4.00      ││
+││      │ 4.32e-41   3.00  5.00      ││
+│├──────┼────────────────────────────┤│
+││4 @ 1 │ -7.15e+2   4.00  0.00      ││
+││axis 2│ 0.00       4.00  1.00      ││
+││      │ ...        ...   ...       ││
+││      │ -5.76e-23  4.00  4.00      ││
+││      │ 4.32e-41   4.00  5.00      ││
+│└──────┴────────────────────────────┘│
+├─────────────────────────────────────┤
+│┌──────┬───────────────────────────┐ │
+││1 @ 0 │axis 3                     │ │
+│├──────┼───────────────────────────┤ │
+││0 @ 1 │ -7.14e+2  7.00e-45   0.00 │ │
+││axis 2│ 1.00      -5.76e-23  1.00 │ │
+││      │ ...       ...        ...  │ │
+││      │ 1.00      4.32e-41   4.00 │ │
+││      │ 1.00      -5.76e-23  5.00 │ │
+│├──────┼───────────────────────────┤ │
+││1 @ 1 │ -7.14e+2  1.00  0.00      │ │
+││axis 2│ 1.00      1.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 1.00      1.00  4.00      │ │
+││      │ 1.00      1.00  5.00      │ │
+│├──────┼───────────────────────────┤ │
+││2 @ 1 │ -7.14e+2  2.00  0.00      │ │
+││axis 2│ 1.00      2.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 1.00      2.00  4.00      │ │
+││      │ 1.00      2.00  5.00      │ │
+│├──────┼───────────────────────────┤ │
+││3 @ 1 │ -7.14e+2  3.00  0.00      │ │
+││axis 2│ 1.00      3.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 1.00      3.00  4.00      │ │
+││      │ 1.00      3.00  5.00      │ │
+│├──────┼───────────────────────────┤ │
+││4 @ 1 │ -7.14e+2  4.00  0.00      │ │
+││axis 2│ 1.00      4.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 1.00      4.00  4.00      │ │
+││      │ 1.00      4.00  5.00      │ │
+│└──────┴───────────────────────────┘ │
+├─────────────────────────────────────┤
+│┌──────┬───────────────────────────┐ │
+││2 @ 0 │axis 3                     │ │
+│├──────┼───────────────────────────┤ │
+││0 @ 1 │ -7.13e+2  7.00e-45   0.00 │ │
+││axis 2│ 2.00      -5.76e-23  1.00 │ │
+││      │ ...       ...        ...  │ │
+││      │ 2.00      4.32e-41   4.00 │ │
+││      │ 2.00      -5.76e-23  5.00 │ │
+│├──────┼───────────────────────────┤ │
+││1 @ 1 │ -7.13e+2  1.00  0.00      │ │
+││axis 2│ 2.00      1.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 2.00      1.00  4.00      │ │
+││      │ 2.00      1.00  5.00      │ │
+│├──────┼───────────────────────────┤ │
+││2 @ 1 │ -7.13e+2  2.00  0.00      │ │
+││axis 2│ 2.00      2.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 2.00      2.00  4.00      │ │
+││      │ 2.00      2.00  5.00      │ │
+│├──────┼───────────────────────────┤ │
+││3 @ 1 │ -7.13e+2  3.00  0.00      │ │
+││axis 2│ 2.00      3.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 2.00      3.00  4.00      │ │
+││      │ 2.00      3.00  5.00      │ │
+│├──────┼───────────────────────────┤ │
+││4 @ 1 │ -7.13e+2  4.00  0.00      │ │
+││axis 2│ 2.00      4.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 2.00      4.00  4.00      │ │
+││      │ 2.00      4.00  5.00      │ │
+│└──────┴───────────────────────────┘ │
+├─────────────────────────────────────┤
+│┌──────┬───────────────────────────┐ │
+││3 @ 0 │axis 3                     │ │
+│├──────┼───────────────────────────┤ │
+││0 @ 1 │ -7.12e+2  7.00e-45   0.00 │ │
+││axis 2│ 3.00      -5.76e-23  1.00 │ │
+││      │ ...       ...        ...  │ │
+││      │ 3.00      4.32e-41   4.00 │ │
+││      │ 3.00      -5.76e-23  5.00 │ │
+│├──────┼───────────────────────────┤ │
+││1 @ 1 │ -7.12e+2  1.00  0.00      │ │
+││axis 2│ 3.00      1.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 3.00      1.00  4.00      │ │
+││      │ 3.00      1.00  5.00      │ │
+│├──────┼───────────────────────────┤ │
+││2 @ 1 │ -7.12e+2  2.00  0.00      │ │
+││axis 2│ 3.00      2.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 3.00      2.00  4.00      │ │
+││      │ 3.00      2.00  5.00      │ │
+│├──────┼───────────────────────────┤ │
+││3 @ 1 │ -7.12e+2  3.00  0.00      │ │
+││axis 2│ 3.00      3.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 3.00      3.00  4.00      │ │
+││      │ 3.00      3.00  5.00      │ │
+│├──────┼───────────────────────────┤ │
+││4 @ 1 │ -7.12e+2  4.00  0.00      │ │
+││axis 2│ 3.00      4.00  1.00      │ │
+││      │ ...       ...   ...       │ │
+││      │ 3.00      4.00  4.00      │ │
+││      │ 3.00      4.00  5.00      │ │
+│└──────┴───────────────────────────┘ │
+└─────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:255:21
[1]: =>_ti shape 0:4,1:3  <not-hosted>
HERE: test/einsum/einsum_trivia_exec.ml:256:21
-┌───────────────────────────┐
-│[7]: =>_tk shape 0:6,1:3   │
-│┌──────┬──────────────────┐│
-││      │axis 1            ││
-│├──────┼──────────────────┤│
-││axis 0│ 0.00  0.00  0.00 ││
-││      │ 0.00  0.00  1.00 ││
-││      │ ...   ...   ...  ││
-││      │ 0.00  0.00  4.00 ││
-││      │ 0.00  0.00  5.00 ││
-│└──────┴──────────────────┘│
-└───────────────────────────┘
+┌─────────────────────────────────────┐
+│[7]: =>_tk shape 0:6,1:3             │
+│┌──────┬────────────────────────────┐│
+││      │axis 1                      ││
+│├──────┼────────────────────────────┤│
+││axis 0│ -7.15e+2   7.00e-45   0.00 ││
+││      │ 0.00       -5.76e-23  1.00 ││
+││      │ ...        ...        ...  ││
+││      │ -5.76e-23  4.32e-41   4.00 ││
+││      │ 4.32e-41   -5.76e-23  5.00 ││
+│└──────┴────────────────────────────┘│
+└─────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:278:21
┌─────────────────────────────────────────────────────────────────┐
│[2]: ;=>_c shape 0:3|1:4,2:2                                     │
(cd _build/.sandbox/ed3aa401904e59fa2305675cf2bd893e/default/test/einsum && .einsum_tutorials.inline-tests/inline-test-runner.exe inline-test-runner einsum_tutorials -partition einsum_trivia.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/einsum/einsum_trivia.ml", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/einsum/einsum_trivia.ml _build/.sandbox/ed3aa401904e59fa2305675cf2bd893e/default/test/einsum/einsum_trivia.ml.corrected
diff --git a/_build/default/test/einsum/einsum_trivia.ml b/_build/.sandbox/ed3aa401904e59fa2305675cf2bd893e/default/test/einsum/einsum_trivia.ml.corrected
index 2bcae70..1a352a8 100644
--- a/_build/default/test/einsum/einsum_trivia.ml
+++ b/_build/.sandbox/ed3aa401904e59fa2305675cf2bd893e/default/test/einsum/einsum_trivia.ml.corrected
@@ -976,144 +976,144 @@ let%expect_test "outer_sum simulating axis concatenation" =
[%expect
{|
HERE: test/einsum/einsum_trivia.ml:975:21
-    ┌────────────────────────────────┐
-    │[9]: ;=>+ shape 0:4,1:5,2:6,3:3 │
-    │┌──────┬──────────────────┐     │
-    ││0 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 0.00  0.00  0.00 │     │
-    ││axis 2│ 0.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  0.00  4.00 │     │
-    ││      │ 0.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 0.00  1.00  0.00 │     │
-    ││axis 2│ 0.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  1.00  4.00 │     │
-    ││      │ 0.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 0.00  2.00  0.00 │     │
-    ││axis 2│ 0.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  2.00  4.00 │     │
-    ││      │ 0.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 0.00  3.00  0.00 │     │
-    ││axis 2│ 0.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  3.00  4.00 │     │
-    ││      │ 0.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 0.00  4.00  0.00 │     │
-    ││axis 2│ 0.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  4.00  4.00 │     │
-    ││      │ 0.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    ├────────────────────────────────┤
-    │┌──────┬──────────────────┐     │
-    ││1 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 1.00  0.00  0.00 │     │
-    ││axis 2│ 1.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  0.00  4.00 │     │
-    ││      │ 1.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 1.00  1.00  0.00 │     │
-    ││axis 2│ 1.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  1.00  4.00 │     │
-    ││      │ 1.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 1.00  2.00  0.00 │     │
-    ││axis 2│ 1.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  2.00  4.00 │     │
-    ││      │ 1.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 1.00  3.00  0.00 │     │
-    ││axis 2│ 1.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  3.00  4.00 │     │
-    ││      │ 1.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 1.00  4.00  0.00 │     │
-    ││axis 2│ 1.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  4.00  4.00 │     │
-    ││      │ 1.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    ├────────────────────────────────┤
-    │┌──────┬──────────────────┐     │
-    ││2 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 2.00  0.00  0.00 │     │
-    ││axis 2│ 2.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  0.00  4.00 │     │
-    ││      │ 2.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 2.00  1.00  0.00 │     │
-    ││axis 2│ 2.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  1.00  4.00 │     │
-    ││      │ 2.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 2.00  2.00  0.00 │     │
-    ││axis 2│ 2.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  2.00  4.00 │     │
-    ││      │ 2.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 2.00  3.00  0.00 │     │
-    ││axis 2│ 2.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  3.00  4.00 │     │
-    ││      │ 2.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 2.00  4.00  0.00 │     │
-    ││axis 2│ 2.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  4.00  4.00 │     │
-    ││      │ 2.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    ├────────────────────────────────┤
-    │┌──────┬──────────────────┐     │
-    ││3 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 3.00  0.00  0.00 │     │
-    ││axis 2│ 3.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  0.00  4.00 │     │
-    ││      │ 3.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 3.00  1.00  0.00 │     │
-    ││axis 2│ 3.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  1.00  4.00 │     │
-    ││      │ 3.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 3.00  2.00  0.00 │     │
-    ││axis 2│ 3.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  2.00  4.00 │     │
-    ││      │ 3.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 3.00  3.00  0.00 │     │
-    ││axis 2│ 3.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  3.00  4.00 │     │
-    ││      │ 3.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 3.00  4.00  0.00 │     │
-    ││axis 2│ 3.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  4.00  4.00 │     │
-    ││      │ 3.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    └────────────────────────────────┘
+    ┌───────────────────────────────────┐
+    │[9]: ;=>+ shape 0:4,1:5,2:6,3:3    │
+    │┌──────┬──────────────────────────┐│
+    ││0 @ 0 │axis 3                    ││
+    │├──────┼──────────────────────────┤│
+    ││0 @ 1 │ 3.67e+32  3.30e-41  0.00 ││
+    ││axis 2│ 0.00      1.93e+3   1.00 ││
+    ││      │ ...       ...       ...  ││
+    ││      │ 2.82e+3   3.04e+3   4.00 ││
+    ││      │ 0.00      0.00      5.00 ││
+    │├──────┼──────────────────────────┤│
+    ││1 @ 1 │ 3.67e+32  1.00     0.00  ││
+    ││axis 2│ 0.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 0.00      1.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││2 @ 1 │ 3.67e+32  2.00     0.00  ││
+    ││axis 2│ 0.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 0.00      2.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││3 @ 1 │ 3.67e+32  3.00     0.00  ││
+    ││axis 2│ 0.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 0.00      3.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││4 @ 1 │ 3.67e+32  4.00     0.00  ││
+    ││axis 2│ 0.00      1.94e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 0.00      4.00     5.00  ││
+    │└──────┴──────────────────────────┘│
+    ├───────────────────────────────────┤
+    │┌──────┬──────────────────────────┐│
+    ││1 @ 0 │axis 3                    ││
+    │├──────┼──────────────────────────┤│
+    ││0 @ 1 │ 3.67e+32  3.30e-41  0.00 ││
+    ││axis 2│ 1.00      1.93e+3   1.00 ││
+    ││      │ ...       ...       ...  ││
+    ││      │ 2.82e+3   3.04e+3   4.00 ││
+    ││      │ 1.00      0.00      5.00 ││
+    │├──────┼──────────────────────────┤│
+    ││1 @ 1 │ 3.67e+32  1.00     0.00  ││
+    ││axis 2│ 1.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 1.00      1.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││2 @ 1 │ 3.67e+32  2.00     0.00  ││
+    ││axis 2│ 1.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 1.00      2.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││3 @ 1 │ 3.67e+32  3.00     0.00  ││
+    ││axis 2│ 1.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 1.00      3.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││4 @ 1 │ 3.67e+32  4.00     0.00  ││
+    ││axis 2│ 1.00      1.94e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 1.00      4.00     5.00  ││
+    │└──────┴──────────────────────────┘│
+    ├───────────────────────────────────┤
+    │┌──────┬──────────────────────────┐│
+    ││2 @ 0 │axis 3                    ││
+    │├──────┼──────────────────────────┤│
+    ││0 @ 1 │ 3.67e+32  3.30e-41  0.00 ││
+    ││axis 2│ 2.00      1.93e+3   1.00 ││
+    ││      │ ...       ...       ...  ││
+    ││      │ 2.82e+3   3.04e+3   4.00 ││
+    ││      │ 2.00      0.00      5.00 ││
+    │├──────┼──────────────────────────┤│
+    ││1 @ 1 │ 3.67e+32  1.00     0.00  ││
+    ││axis 2│ 2.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 2.00      1.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││2 @ 1 │ 3.67e+32  2.00     0.00  ││
+    ││axis 2│ 2.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 2.00      2.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││3 @ 1 │ 3.67e+32  3.00     0.00  ││
+    ││axis 2│ 2.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 2.00      3.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││4 @ 1 │ 3.67e+32  4.00     0.00  ││
+    ││axis 2│ 2.00      1.94e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 2.00      4.00     5.00  ││
+    │└──────┴──────────────────────────┘│
+    ├───────────────────────────────────┤
+    │┌──────┬──────────────────────────┐│
+    ││3 @ 0 │axis 3                    ││
+    │├──────┼──────────────────────────┤│
+    ││0 @ 1 │ 3.67e+32  3.30e-41  0.00 ││
+    ││axis 2│ 3.00      1.93e+3   1.00 ││
+    ││      │ ...       ...       ...  ││
+    ││      │ 2.82e+3   3.04e+3   4.00 ││
+    ││      │ 3.00      0.00      5.00 ││
+    │├──────┼──────────────────────────┤│
+    ││1 @ 1 │ 3.67e+32  1.00     0.00  ││
+    ││axis 2│ 3.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 3.00      1.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││2 @ 1 │ 3.67e+32  2.00     0.00  ││
+    ││axis 2│ 3.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 3.00      2.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││3 @ 1 │ 3.67e+32  3.00     0.00  ││
+    ││axis 2│ 3.00      1.93e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 3.00      3.00     5.00  ││
+    │├──────┼──────────────────────────┤│
+    ││4 @ 1 │ 3.67e+32  4.00     0.00  ││
+    ││axis 2│ 3.00      1.94e+3  1.00  ││
+    ││      │ ...       ...      ...   ││
+    ││      │ 2.82e+3   3.04e+3  4.00  ││
+    ││      │ 3.00      4.00     5.00  ││
+    │└──────┴──────────────────────────┘│
+    └───────────────────────────────────┘
|}];
Train.printf ~here:[%here] ~with_code:false ~with_grad:false ti;
[%expect
@@ -1125,18 +1125,18 @@ let%expect_test "outer_sum simulating axis concatenation" =
[%expect
{|
HERE: test/einsum/einsum_trivia.ml:1124:21
-    ┌───────────────────────────┐
-    │[7]: =>_tk shape 0:6,1:3   │
-    │┌──────┬──────────────────┐│
-    ││      │axis 1            ││
-    │├──────┼──────────────────┤│
-    ││axis 0│ 0.00  0.00  0.00 ││
-    ││      │ 0.00  0.00  1.00 ││
-    ││      │ ...   ...   ...  ││
-    ││      │ 0.00  0.00  4.00 ││
-    ││      │ 0.00  0.00  5.00 ││
-    │└──────┴──────────────────┘│
-    └───────────────────────────┘
+    ┌───────────────────────────────────┐
+    │[7]: =>_tk shape 0:6,1:3           │
+    │┌──────┬──────────────────────────┐│
+    ││      │axis 1                    ││
+    │├──────┼──────────────────────────┤│
+    ││axis 0│ 3.67e+32  3.30e-41  0.00 ││
+    ││      │ 0.00      1.93e+3   1.00 ││
+    ││      │ ...       ...       ...  ││
+    ││      │ 2.82e+3   3.04e+3   4.00 ││
+    ││      │ 0.00      0.00      5.00 ││
+    │└──────┴──────────────────────────┘│
+    └───────────────────────────────────┘
|}]


let%expect_test "einsum with a leftmost input axis preserved as output axis" =
(cd _build/.sandbox/3775b259afeb0243ea992a0e70e982d0/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition hello_world_op.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/operations/zero2hero_1of7.ml", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/operations/zero2hero_1of7.ml _build/.sandbox/3775b259afeb0243ea992a0e70e982d0/default/test/operations/zero2hero_1of7.ml.corrected
diff --git a/_build/default/test/operations/zero2hero_1of7.ml b/_build/.sandbox/3775b259afeb0243ea992a0e70e982d0/default/test/operations/zero2hero_1of7.ml.corrected
index ffc9c4b..63cb900 100644
--- a/_build/default/test/operations/zero2hero_1of7.ml
+++ b/_build/.sandbox/3775b259afeb0243ea992a0e70e982d0/default/test/operations/zero2hero_1of7.ml.corrected
@@ -273,21 +273,21 @@ let%expect_test "Simple gradients hosted" =
[%expect
{|
#12 *._l
-                        0.00
+                        3.36
#13 grad_*._l
-                        0.00
+                        3.36
#8 +_d                   │#10 f non-emb
-                  0.00                    │ -2.00
+                  3.36                    │ -2.00
#9 grad_+_d              │#11 grad_f
-                  0.00                    │ 0.00
+                  3.36                    │ 3.36
#4 *._e            │#6 c non-emb│
-           0.00              │ 1.00e+1    │
+           -9.45e-23         │ 1.00e+1    │
#5 grad_*._e       │#7 grad_c   │
-           0.00              │ 0.00       │
+           3.36              │ 3.36       │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     -6.99e+17  │ -5.14e+11  │            │
|}];
(* Do not update the params: all values and gradients will be at initial points, which are
specified in the tensor in the brackets. *)
@@ -403,21 +403,21 @@ let%expect_test "Simple gradients virtual" =
[%expect
{|
#12 *._l
-                    0.00
+                    3.36
#13 grad_*._l Virt/40
<void>
#8 +_d Virt/152              │#10 f non-emb
<void>                       │ -2.00
#9 grad_+_d Virt/151         │#11 grad_f
-             <void>                       │ 0.00
+             <void>                       │ 3.36
#4 *._e Virt/152       │#6 c non-emb│
<void>                 │ 1.00e+1    │
#5 grad_*._e Virt/151  │#7 grad_c   │
-      <void>                 │ 0.00       │
+      <void>                 │ 3.36       │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     -4.86e+11  │ -5.14e+11  │            │
|}];
(* Do not update the params: all values and gradients will be at initial points, which are
specified in the tensor in the brackets. *)
File "test/training/moons_demo_mini.expected", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/training/moons_demo_mini.expected _build/default/test/training/moons_demo_mini.exe.output
diff --git a/_build/default/test/training/moons_demo_mini.expected b/_build/default/test/training/moons_demo_mini.exe.output
index 054cd7c..d27b63e 100644
--- a/_build/default/test/training/moons_demo_mini.expected
+++ b/_build/default/test/training/moons_demo_mini.exe.output
@@ -3,19 +3,18 @@ Found 0, in the config file
Half-moons scatterplot and decision boundary:
┌─────────────────────────┐
│*********#***************│
-│***###########*********..│
+│***###########********...│
│**#############****......│
│*######%%*######.....%%%.│
-│#####**%%%*.#####....%%%%│
+│#####**%%%**#####....%%%%│
│####***%%%%..####...%%%%.│
│###***.%%%%...###..%%%%%.│
-│###**...%%%%%%%##.%%%%%..│
-│***......%%%%%%%%%%%%%...│
-│...........%%%%%%%%%%....│
+│###*....%%%%%%%##.%%%%%..│
+│**.......%%%%%%%%%%%%%...│
+│**.........%%%%%%%%%%....│
└─────────────────────────┘Loss:
┌─────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 2.29│-                                                                                                   │
-│     │                                                                                                    │
+│ 2.61│-                                                                                                   │
│     │                                                                                                    │
│     │                                                                                                    │
│     │                                                                                                    │
@@ -32,73 +31,74 @@ Half-moons scatterplot and decision boundary:
│     │                                                                                                    │
│     │                                                                                                    │
│     │                                                                                                    │
+│     │                                                                                                    │
│l    │                                                                                                    │
-│o    │                                                                                                    │
-│s    │                                                                                                    │
+│o    │  -
│s    │                                                                                                    │
-│     │  -                                                                                                 │
+│s    │   -                                                                                                │
│     │                                                                                                    │
│     │                                                                                                    │
-│     │   -                                                                                                │
│     │                                                                                                    │
│     │                                                                                                    │
│     │                                                                                                    │
+│     │     -                                                                                              │
│     │                                                                                                    │
│     │                                                                                                    │
-│     │     -      -                                                                                       │
│     │                                                                                                    │
│     │                                                                                                    │
-│     │      ---  -                                                                                        │
+│     │      --  - -                                                                                       │
+│     │        -                                                                                           │
+│     │           -                                                                                        │
│     │               -                                                                                    │
-│     │          -     -      -        -  -                                               -                │
-│     │                    -            -                                                                  │
-│     │             -    -      - -   -    - -      -  - --      -      -          -                   -   │
-│ 0.00│                 -   --   - - -      -  ----  --    -- ---  ----  --- ---- - -- ---  ---- ---- - -- │
+│     │             -  -      -           -                                                                │
+│     │                                --              - -                                -            -   │
+│     │                          --   -     --      -            - -    -          -         -   -- -      │
+│ 0.00│                 -- ---  -  - -     -   ----  --   --- ---   ---  --- ---- - -- ---  - --   -  - -- │
├─────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│     │0.00                                                                                         7.90e+1│
│     │                                                step                                                │
└─────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘Log-loss, for better visibility:
┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 8.30e-1 │-                                                                                                   │
-│         │                                                                                                    │
+│ 9.62e-1 │-                                                                                                   │
│         │ -                                                                                                  │
-│         │  -                                                                                                 │
-│         │   -                                                                                                │
│         │                                                                                                    │
-│         │     -      -                                                                                       │
-│         │      -    -                                                                                        │
+│         │  --                                                                                                │
+│         │     -                                                                                              │
+│         │                                                                                                    │
+│         │      -   - -                                                                                       │
│         │       --                                                                                           │
-│         │          -    -       -        -                                                                   │
-│         │                -   -              -                                               -                │
-│         │                                 -                -                                                 │
-│         │                                                                            -                   -   │
-│         │             -    -        -   -    - -      -  -  -      -      -                                  │
-│         │                         --          -                 -    -           -                           │
-│         │                     -        -                     -        -                  -     -    - -      │
-│l        │                                           -  -                    -   -                -        -  │
-│o        │                                          -    -                    -         -                     │
-│g        │                                        -                             -                   -         │
-│         │                      -                                                                             │
-│l        │                                                              --                       -            │
-│o        │                                                                                     -              │
+│         │           -   -                                                                                    │
+│         │             -  -                  -                                                                │
+│         │                       -        -                 -                                -            -   │
+│         │                                 -              -                                                   │
+│         │                           -         -                                      -                       │
+│         │                          -    -      -      -            - -    -                    -   -- -      │
+│         │                  - -    -          -      -           -                                         -  │
+│         │                 -   -        -               -    --                  -                            │
+│l        │                                                             -     --   -       -      -            │
+│o        │                      -                   -                   -                                     │
+│g        │                                        -               -             -      -       -  -           │
+│         │                                                         -     -         -                  -       │
+│l        │                                                                                                    │
+│o        │                                                                              -                     │
+│s        │                                               -                                                    │
│s        │                                                                                                    │
-│s        │                                                                                                    │
-│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
+│         │                            -                                                                       │
│         │                                                                                                    │
│         │                                                                                                    │
+│         │                                                     -                                              │
│         │                                                                                                    │
│         │                                                                                                    │
-│         │                                                     -                                              │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
-│ -1.00e+1│                 -          -            -              --        -      - - -   --         -  -  - │
+│ -1.00e+1│                                         -                        -        -     --            -  - │
├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│         │0.00                                                                                         7.90e+1│
│         │                                                step                                                │
File "test/training/moons_demo_parallel.expected", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/training/moons_demo_parallel.expected _build/default/test/training/moons_demo_parallel.exe.output
diff --git a/_build/default/test/training/moons_demo_parallel.expected b/_build/default/test/training/moons_demo_parallel.exe.output
index 0422aa9..2dca3dc 100644
--- a/_build/default/test/training/moons_demo_parallel.expected
+++ b/_build/default/test/training/moons_demo_parallel.exe.output
@@ -1,139 +1,139 @@
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
-Epoch loss: 0.182869
+Epoch loss: 7.162774


Half-moons scatterplot and decision boundary:
┌────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│****************************************#***************************************....................│
-│********************************##*#*******#************************************....................│
-│*******************#******#*#**#**##**##*#**#***#*******************************....................│
-│***************#********#***#**#**#**#*#*##**##**##****************************.....................│
-│*************#****#*###**#*##*#*##***##*#######******#*************************.....................│
-│*****************#*#****#***#***#*#*#*********#*##*##**************************.....................│
-│************#***##*###***#*#********#**#***##*#***##***#***********************.....................│
-│**********#***#****#####*#***###******#*#*#***#***#***#*##**#*****************......................│
-│***********####*#***#****#*#*****##****#**********##**************************......................│
-│*********#****#***#**##*#*#*#*******#**##*#*##*##*#*#**#**##******************......................│
-│**********#**#*###**#**********......******#***#***#**#*##***#***************.......................│
-│***#**#****###*##*#*##********....%....********##*##**#*#*#******************.......................│
-│***#**#**#*#***###**#*#******....%......%********#***#****#****#*************.......................│
-│********#**###***#**********.............*******#***#*#**#***###*************...........%.%....%....│
-│**#********####*#**#********..%......%.%...*********#**##***##***#**********......................%.│
-│****##*****##****#*********...%......%......**********#**#*#*#*##*#*********....................%...│
-│***#*#**#***#*#************....%.%.....%......*******#*##*#*#****#**********.................%.%.%..│
-│*#*#**#**#*#***#**********.....%.%.%%.%........*********###*****#*###******.............%.%..%...%.%│
-│****##**##****************..............%.......*********###*##**#*#*******..............%%%..%.%%..│
-│***#***##*##*************....%.%%.%%%.%...........*******#*#*####*#*#******.............%%%%.%..%...│
-│#*#*#*#**#*#*************....%....%.%.%%%..........*******#***************..............%....%.%.%..│
-│##*##***#**#************.....%...%%.%%..%..%........**********#***#*#*****.......................%%.│
-│*#**#******#***********..........%..%...%%............******##***#*###****...........%.%%.%..%......│
-│#***#*##**#************..........%...%...%.............**********#**#*****............%.%%.%%%..%%%.│
-│*#*##***##************...........%.%%%.%.................***###**#*##****..............%.%%.........│
-│******#*#*************............%%.%.%%%%...............**********#****........%.%..%%..%..%......│
-│*****#****#**********.................%.%.%................***#****#*****.........%.%..%..%.%..%%%..│
-│*****##**************...........%...%...%%.%%..%.............******#***.........%....%%%.%%..%......│
-│********************..............%..%.%%.%%.%..%%.%%...........#*##*.............%%%%.........%....│
-│******************.................%%..%...%..%%%%..........................%%%.....%.%..%.%........│
-│****************......................%..%.%..%..%....................%..%..%%%%.%.%%%%%...%%.......│
-│**************......................%%...%%%.%%%%.%.%.%%.....%...........%.%%%%%.%....%.%...........│
-│************............................%..%.......%.%%%....%%.%..%%%.%%..%.%.%.%..%................│
-│**********..............................%...%%..%....%..%%.%%.%.%....%....%%%..%.%%..%.%............│
-│*******....................................%%....%..%.%%%..%%%....%%.%...%%...%%...%%...%%..........│
-│*****........................................%.%..%..%%%%%.%....%%...%%.%..%..%....%................│
-│**.........................................%............%..%%.....%%..%.%.%....%....................│
+│****************************************#****************************************************.......│
+│********************************##*#*******#************************************************........│
+│*******************#******#*#**#**##**##*#**#***#*******************************************........│
+│***************#********#***#**#**#**#*#*##**##**##****************************************.........│
+│*************#****#*###**#*##*#*##***##*#######******#************************************..........│
+│*****************#*#****#***#***#*#*#*********#*##*##************************************...........│
+│************#***##*###***#*#********#**#***##*#***##***#*********************************...........│
+│**********#***#****#####*#***###******#*#*#***#***#***#*##**#***************************............│
+│***********####*#***#****#*#*****##****#**********##***********************************.............│
+│*********#****#***#**##*#*#*#*******#**##*#*##*##*#*#**#**##**************************..............│
+│**********#**#*###**#**********************#***#***#**#*##***#************************..............│
+│***#**#****###*##*#*##************%************##*##**#*#*#**************************...............│
+│***#**#**#*#***###**#*#**********%******%********#***#****#****#********************................│
+│********#**###***#******************************#***#*#**#***###********************....%.%....%....│
+│**#********####*#**#**********%******%*%************#**##***##***#*****************...............%.│
+│****##*****##****#************%******%****************#**#*#*#*##*#***************..............%...│
+│***#*#**#***#*#****************%*%*****%*************#*##*#*#****#***************............%.%.%..│
+│*#*#**#**#*#***#***************%*%*%%*%*****************###*****#*###************.......%.%..%...%.%│
+│****##**##******************************%****************###*##**#*#************.........%%%..%.%%..│
+│***#***##*##*****************%*%%*%%%*%******************#*#*####*#*#**********.........%%%%.%..%...│
+│#*#*#*#**#*#*****************%****%*%*%%%*****************#*******************..........%....%.%.%..│
+│##*##***#**#*****************%***%%*%%**%**%******************#***#*#*********...................%%.│
+│*#**#******#*********************%**%***%%******************##***#*###*******........%.%%.%..%......│
+│#***#*##**#**********************%***%***%***********************#**#*******..........%.%%.%%%..%%%.│
+│*#*##***##***********************%*%%%*%*******..***********###**#*##******............%.%%.........│
+│******#*#*************************%%*%*%%%%..............***********#******......%.%..%%..%..%......│
+│*****#****#********************.......%.%.%...................#...*#**............%.%..%..%.%..%%%..│
+│*****##****************.........%...%...%%.%%..%...................#............%....%%%.%%..%......│
+│***************...................%..%.%%.%%.%..%%.%%...........#.##..............%%%%.........%....│
+│*******............................%%..%...%..%%%%..........................%%%.....%.%..%.%........│
+│......................................%..%.%..%..%....................%..%..%%%%.%.%%%%%...%%.......│
+│....................................%%...%%%.%%%%.%.%.%%.....%...........%.%%%%%.%....%.%...........│
+│........................................%..%.......%.%%%....%%.%..%%%.%%..%.%.%.%..%................│
+│........................................%...%%..%....%..%%.%%.%.%....%....%%%..%.%%..%.%............│
+│...........................................%%....%..%.%%%..%%%....%%.%...%%...%%...%%...%%..........│
+│.............................................%.%..%..%%%%%.%....%%...%%.%..%..%....%................│
+│...........................................%............%..%%.....%%..%.%.%....%....................│
│...................................................%...%.%..%.%.......%%...%........................│
│........................................................%%%.....%.%..%..%.....%..%..................│
│......................................................%....%%%%.%.%.%....%..........................│
└────────────────────────────────────────────────────────────────────────────────────────────────────┘
Batch Log-loss:
┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 3.78    │-                                                                                                   │
+│ 3.91    │-                                                                                                   │
│         │                                                                                                    │
│         │                                                                                                    │
-│         │-                                                                                                   │
-│         │                                                                                                    │
│         │                                                                                                    │
-│         │       --      ----       --  -- -                                                                  │
-│         │ --- --   ----      ---- -  -   -  --                                                               │
-│         │ --   - -  --               -        -- --                  -                                       │
-│         │--------- ---- ---- ---- ---- ----        -- ---     -   -            -                             │
-│         │-   ----  --- - -- -     ---- ---- --           - ---  -     -                              -       │
-│         │-- -     -     -    --- ---     -- - --                   -                                -        │
-│         │ - -----         -             -    -                   -     -     -  -                     -      │
-│b        │-     --    -              -  -    - -  ---                    - -      -                           │
-│a        │   -     ---  -                 -   -      -                      --     -   --           -    -    │
-│t        │ -  -   -      --------      - - -    -    -    -                    -     -    --   -  -           │
-│c        │     - --  -    -  -    - -  -    -         ----  ----  -  -         -      -     --  --        --- │
-│h        │       - - -- - ---- ---- - --  ---      - --- - - -  - -  --        -      - -             -       │
-│         │            - -         --------- -- - --   - - -    - - - --   -   -                     - -       │
-│l        │       - -  -              --  - --   ----- ---  --  -  ---  -    -  -   - - ---        - --   -    │
-│o        │             --      -- -- -- --  -------    -  ----   -  -    --- --      --      ---  --       ---│
-│g        │      -    - - --   --     - --    ----   --   -    - -  -   --  -    - - -   ---- ----  ------ -   │
-│         │    - - -            - -  --     --- --  -- -   - - - -  -- -     - - -        --  -     --   --    │
-│l        │       ---        -   -     -          -   -   - --   -- -  - -     -  -  --     -     -     -      │
-│o        │      -    -    -  -    ---        -    - ----                -          -              -      -   -│
-│s        │            -      -     -    -   -       -           -       --                             -      │
-│s        │        -     -            - --     -   -  --                    -                           -      │
-│         │                -         - -  ----                          -        -               -            -│
-│         │                           -  -   -  -                         -      - -    -           -          │
-│         │                                --                                                                - │
-│         │                        -                              -                            -               │
-│         │                             -                                                            -   -     │
-│         │                                                                    -                               │
-│         │                                                                                                    │
-│         │                                      -       -                       -                             │
+│         │-                                                                                                   │
│         │                                                                                                    │
+│         │ -                                                                                                  │
+│         │  -- ---- ---- ---- ---- ---- ---  ---                                                              │
+│         │ -          -- ---- --           -    - ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- │
+│         │ -------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---  -     - - ---            │
+│         │---  --- -----  - -  --- - -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- │
+│         │-   -      -- -- -  - -   --          -  ---  --  - --   --  - -  --- -- - -      -     - ---- ---- │
+│         │-    - -        -                                       -               -   --- ---- ---            │
+│b        │ -       --    -   ---   -     -  ----  -    -              - -  -     -              - - -         │
+│a        │ --   -    --   ---  -  - -- -- -                - -   -           -  - -                  --- --   │
+│t        │ -     -      -        --         -    - ---- --  - - -  - - -  - -  - -             - -         -- │
+│c        │    -  - -  - - ---   -     -   --- ---- -- - ---- ---- ---- ---- ----   ------- ---- -   -----    -│
+│h        │- --- - -  ---     - - -- ---- - -    -  ----         -       - -  --- ---- ---- ---- ---- ---------│
+│         │--   --         -- -  -    -   -  -                                    -        - - -- -- -- ---- - │
+│l        │    -   -- - --                -    --      -  -     -    -       -     - -    -----    --   -- -   │
+│o        │       -     -         --           -- -   -  - -- --   --   - -     - - - ------  ----- ---      - │
+│g        │-           -               -- -- -   -- ---    -  -  -    -  ---- -- ----  - - -- -  -  - -- --- --│
+│         │   --         -  -    -    ----  -          - -- -   -  ---   - - --    -----  -- --   --  - -----  │
+│l        │                                                    -       -      -  -- - - --     -       ---  ---│
+│o        │   -    -         -   -            --  -            -       --     - --- --  --- --- - --- ---   - -│
+│s        │  -   -         --   -    --            - - -   - -   -        -- - --    --         - - - -      - │
+│s        │    -       -                  -   -  -              -   -    -       -  -     -   --- -- -  --   - │
+│         │       - - -  -    -               -    -       -                    - -          -    - --- --     │
+│         │        -                       --                    -          -         - --  - - -  ---  -    - │
+│         │                                            -  -                   --          -      -             │
+│         │              -            -                 -                               - --   -     -        -│
+│         │                                             -   -                                -                 │
+│         │ -                                                                  -           -           -       │
+│         │                                                                     -                         -    │
+│         │                            -                           -                     -    -                │
+│         │                                                                                 --                 │
│         │                                                                                                    │
+│         │                                                  -           --                                    │
│         │                                                                                                    │
-│         │             -                                                                                      │
│ -1.04e+1│----------------------------------------------------------------------------------------------------│
├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│         │0.00                                                                                         1.59e+3│
│         │                                                step                                                │
└─────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
Epoch Log-loss:
-┌──────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 4.39 │-                                                                                                   │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │  -                                                                                                 │
-│      │ - - -                                                                                              │
-│      │                                                                                                    │
-│      │      --- ---  -- -           -                                                                     │
-│e     │             -   -  ---- ----  -                                                                    │
-│p     │                                --                                                                  │
-│o     │                                                                                                    │
-│c     │                                   -                                                                │
-│h     │                                    -                                                               │
-│      │                                     -                                                              │
-│l     │                                      -                                                             │
-│o     │                                        --                                                          │
-│g     │                                          --                -                                       │
-│      │                                             ---                                                    │
-│l     │                                                         -            -                             │
-│o     │                                                - - --                                              │
-│s     │                                                   -                                                │
-│s     │                                                          -                                 -       │
-│      │                                                       --    -      -                      -        │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                              -                                     │
-│      │                                                                       -                            │
-│      │                                                               -             -            -  -      │
-│      │                                                                 -                                  │
-│      │                                                                  --    -     -                -    │
-│      │                                                                         -  -                       │
-│      │                                                                           -    -    - --           │
-│      │                                                                                  --                │
-│      │                                                                                 -              -   │
-│ -1.69│                                                                                      -          -- │
-├──────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
-│      │0.00                                                                                         7.90e+1│
-│      │                                                step                                                │
-└──────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
\ No newline at end of file
+┌─────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ 4.32│-                                                                                                   │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│e    │                                                                                                    │
+│p    │                                                                                                    │
+│o    │                                                                                                    │
+│c    │                                                                                                    │
+│h    │                                                                                                    │
+│     │                                                                                                    │
+│l    │                                                                                                    │
+│o    │                                                                                                    │
+│g    │                                                                                                    │
+│     │                                                                                                    │
+│l    │                                                                                                    │
+│o    │ -                                                                                                  │
+│s    │                                                                                                    │
+│s    │                                                                                                    │
+│     │                                                                                                    │
+│     │  -- - -                                                                                            │
+│     │      - - -                                                                                         │
+│     │           ---                                                                                      │
+│     │               ---                                                                                  │
+│     │                  - --                                                                              │
+│     │                      -- ---- --   -                                                                │
+│     │                                --  --                  -   -           -                           │
+│     │                                      - - -- - -- --   -      -  -    --                            │
+│     │                                         -    -     --   --  - -  ---                -              │
+│     │                                                                         - ----  - -  --            │
+│     │                                                                                - -                 │
+│ 1.96│                                                                                        - ---- ---- │
+├─────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
+│     │0.00                                                                                         7.90e+1│
+│     │                                                step                                                │
+└─────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
\ No newline at end of file
File "test/training/moons_demo.expected", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/training/moons_demo.expected _build/default/test/training/moons_demo.exe.output
diff --git a/_build/default/test/training/moons_demo.expected b/_build/default/test/training/moons_demo.exe.output
index 738bc6b..b36900e 100644
--- a/_build/default/test/training/moons_demo.expected
+++ b/_build/default/test/training/moons_demo.exe.output
@@ -4,47 +4,47 @@ Half-moons scatterplot and decision boundary:
┌────────────────────────────────────────────────────────────────────────────────────────────────────┐
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+│********************................%%...%%%.%%%%.%.%.%%.....%...........%.%%%%%.%....%.%...........│
+│********************....................%..%.......%.%%%....%%.%..%%%.%%..%.%.%.%..%................│
+│********************....................%...%%..%....%..%%.%%.%.%....%....%%%..%.%%..%.%............│
+│********************.......................%%....%..%.%%%..%%%....%%.%...%%...%%...%%...%%..........│
+│********************.........................%.%..%..%%%%%.%....%%...%%.%..%..%....%................│
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+│*******************...................................%....%%%%.%.%.%....%..........................│
└────────────────────────────────────────────────────────────────────────────────────────────────────┘Loss:
┌────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 2.38e+1│-                                                                                                   │
+│ 1.94e+1│-                                                                                                   │
│        │                                                                                                    │
│        │                                                                                                    │
│        │                                                                                                    │
@@ -68,66 +68,66 @@ Half-moons scatterplot and decision boundary:
│s       │                                                                                                    │
│        │                                                                                                    │
│        │                                                                                                    │
+│        │-                                                                                                   │
│        │                                                                                                    │
│        │                                                                                                    │
+│        │-                                                                                                   │
│        │                                                                                                    │
│        │                                                                                                    │
│        │                                                                                                    │
│        │                                                                                                    │
-│        │                                                                                                    │
-│        │                                                                                                    │
-│        │-                                                                                                   │
-│        │                                                                                                    │
-│        │ - - -    -                                                                                         │
-│        │- -   ---                                                                                           │
-│        │   - ---  - -- ---  ---  - -                                                                        │
-│        │----  - - --     -- ---- ---- ---- ---  -- -            -                                           │
-│        │--------- ---- ---- ---- ---- ---- ---- ---- ---- ---  ---- ---    -- -     -     -             -   │
+│        │     -                                                                                              │
+│        │ - -                                           -                                                    │
+│        │  -   --                                       -                                                    │
+│        │     -  - ---                                 - - - -                 ---- ---                      │
+│        │---   --  ---- ---- ---- ---- ---- ---- ---- - -- ---  ---- ---- ---  ---- ---- ---  --             │
+│        │ --- ---- ---- ---- ---- ---- ---- ---- ---- ----  --- ---- ---- ---- ---- ---- ---- ---- ---- ---- │
+│        │---- ---- ---- --------- ------------------------ ------------------- ---- ---- ---- ----   -   - - │
│ 0.00   │----------------------------------------------------------------------------------------------------│
├────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│        │0.00                                                                                         6.39e+3│
│        │                                                step                                                │
└────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘Log-loss, for better visibility:
┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 3.17    │-                                                                                                   │
-│         │                                                                                                    │
-│         │                                                                                                    │
+│ 2.96    │-                                                                                                   │
│         │                                                                                                    │
│         │                                                                                                    │
│         │-                                                                                                   │
-│         │ - - -    -                                                                                         │
-│         │- -  ----                                                                                           │
-│         │   -  --- - -- ---- ---- ---     -                                                                  │
-│         │----  -    --- ---- ---- ---- ---- ---- ---- -- -      --                                           │
-│         │---- ---- ---- ---- ---- ---- ---- ---- -- -   -   -   -  -        --       -                   -   │
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-│         │    -   --- -  --- - --    -- -                        - --  - -   -- ----   -                    - │
-│         │---  -     -  --   ----- --        - -                        --  -    -    --  -  - -- -   -- - -  │
-│         │- -  -  ---   - -- - -  ----- ----  - - -            --          -       - -- - - --   -  -     -   │
-│l        │--- ---  ---- - -- ----  -    --   - -          -  - --- -- --- - -   -  -  - -    --             - │
-│o        │- - -   -      -     -    ---   -  -      -- -- - -- ----  --  -  ----- -------- - ---- --- ----    │
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-│         │---  - -- -    ---  ---  ---   -  - --  -- --------- -- -- --- - -     -  -     --    --- - ---- -  │
-│l        │-  ------- ---     -  -     -  ---      ---    --    ---- --    -- - --   -    -  -     --    --  --│
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-│         │ -                                   -                                                              │
-│         │                                   -                                        -                       │
-│         │                                       -    -             -                                         │
-│         │                                    -       -                                                       │
-│         │         -                                                                                          │
-│         │                                   -                                                                │
-│         │         -                                                                                          │
+│         │-                                                                                                   │
+│         │     -                                                                                              │
+│         │ ---  --                                       -                                                    │
+│         │     -  - ----  -                            ---- ---                 ---- ----                     │
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+│         │-   -   -   --- --    - -  -   -  -  -    - - ----- ---      -    -- ----- --- -- -- -----  -  -- - │
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+│         │- -      ---                -     - -       --     -           -  -  -- -  - --   -  -  -    --     │
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+│         │  -                         -     -   -    -  -    -      -                 -- - -                - │
+│         │  --     -       -      -           -     - --     -    -              -  - -  -   - -    -         │
+│         │      --                      -               -   -                        --   ---              - -│
+│         │                                               -   -                 -          -                  -│
+│         │                     -                                          -        - -    -         -         │
+│         │  -                                                               -      - -   - -                  │
+│         │                                             -    -                                                 │
+│         │                                              -                           -                         │
+│         │              -        -                                                                            │
+│         │   -   -                                            -                -    -                         │
│ -1.00e+1│----------------------------------------------------------------------------------------------------│
├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│         │0.00                                                                                         6.39e+3│
"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1
2025-08-14 05:45.33: Job failed: Failed: Build failed