debian-12-5.3_opam-2.4

2025-08-12 17:14.49: New job: test ahrefs/ocannl https://github.com/ahrefs/ocannl.git#refs/heads/master (5c1b2d65e409c587920b79d5b5c065e1afe6e538) (linux-x86_64:debian-12-5.3_opam-2.4)
Base: ocaml/opam:debian-12-ocaml-5.3@sha256:6c3206584a61f2e7d9bdcd4f930a97703856d06e2a2b9a11f433c0021b4a169d
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ahrefs/ocannl.git" -b "master" && cd "ocannl" && git reset --hard 5c1b2d65
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.3@sha256:6c3206584a61f2e7d9bdcd4f930a97703856d06e2a2b9a11f433c0021b4a169d
# debian-12-5.3_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-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 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


2025-08-12 17:14.49: Using cache hint "ahrefs/ocannl-ocaml/opam:debian-12-ocaml-5.3@sha256:6c3206584a61f2e7d9bdcd4f930a97703856d06e2a2b9a11f433c0021b4a169d-debian-12-5.3_opam-2.4-83f2c92a8149933d384aef7c4711fb31"
2025-08-12 17:14.49: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.3@sha256:6c3206584a61f2e7d9bdcd4f930a97703856d06e2a2b9a11f433c0021b4a169d)
(comment debian-12-5.3_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-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 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"))
)


2025-08-12 17:14.49: Waiting for resource in pool OCluster
2025-08-12 17:14.49: Waiting for worker…
2025-08-12 17:17.47: Got resource from pool OCluster
Building on phoebe
HEAD is now at 3b98f9bc Inline single getters i.e. "views"
HEAD is now at 5c1b2d65 `loop_float` -> `loop_scalar` renaming


(from ocaml/opam:debian-12-ocaml-5.3@sha256:6c3206584a61f2e7d9bdcd4f930a97703856d06e2a2b9a11f433c0021b4a169d)
2025-08-12 17:18.07 ---> saved as "8eaf3f2decb526ca35ad09f39f5f0c6ba5d9f4967b3f669a74b96aa9bc58a9eb"


/: (comment debian-12-5.3_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"))
2025-08-12 17:18.08 ---> saved as "9bfb5ad4db617b7c882826218e397cb82a80f1ec507c9ebd6af72d0eac172351"


/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.


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.


Continue? [Y/n] y
Format upgrade done.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-08-12 17:18.38 ---> saved as "73df1b0e85c59612791ca1b06818024498a4e21db22828164bcac4b86a132d2a"


/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
2025-08-12 17:18.39 ---> saved as "bef70556134d0e5209ca1f42df4e75fea5611e6c7646e7e2d9326cf708050a96"


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-08-12 17:18.39 ---> saved as "e8b8362c5a4607ac8e4cae4eccf1d4704f31fa570f8fb802aafff16220f66edd"


/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)
2025-08-12 17:19.01 ---> saved as "7b5e471a9ce5351d615a5fa05832ea7c8a2adceaa1d621a289da90c524e9796d"


/src: (copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
2025-08-12 17:19.01 ---> saved as "a1fe2d0438f677b8bc510dd8fd9083eea5b77fe36a94cb6bdb2942a4ec3ad21f"


/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)
2025-08-12 17:19.05 ---> saved as "7a4e10069c382a968c2262fdfa4be5617ab472275f69329984523ffa68bf6385"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-08-12 17:19.05 ---> saved as "de8ce623745ec564ccf215bcbba29eb6c655cf00769a51663530e27efea1fd42"


/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-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 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 [272 kB]
- Fetched 555 kB in 0s (1331 kB/s)
- Reading package lists...
- 


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


[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[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-base-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) ...
2025-08-12 17:19.21 ---> saved as "af25b3e86b09cbd725527367f014d5fd3eef992e417c5fb33da270f4b8718964"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[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-base-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)
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> installed conf-libcurl.2
-> installed conf-pkg-config.4
-> retrieved csexp.1.5.2  (cached)
-> retrieved csv.2.4  (cached)
-> retrieved ctypes.0.23.0, ctypes-foreign.0.23.0  (cached)
-> installed conf-libffi.2.0.0
-> installed conf-zlib.1
-> retrieved curl.0.10.0  (cached)
-> retrieved fieldslib.v0.17.0  (cached)
-> retrieved integers.0.7.0  (cached)
-> retrieved fmt.0.11.0  (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 ppx_deriving.6.1.1  (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_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)
-> installed cmdliner.1.3.0
-> installed num.1.6
-> installed ocamlbuild.0.16.1
-> retrieved ppx_minidebug.2.3.0  (cached)
-> retrieved ppx_optcomp.v0.17.1  (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 re.1.13.2  (cached)
-> retrieved result.1.5  (cached)
-> retrieved saturn_lockfree.0.5.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib.v0.17.0  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved ppxlib.0.36.0  (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 printbox.0.12, printbox-ext-plot.0.12, printbox-html.0.12, printbox-md.0.12, printbox-text.0.12  (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 topkg.1.1.0
-> installed uutf.1.0.4
-> installed mtime.2.1.0
-> 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 bigstringaf.0.10.0
-> installed mdx.2.5.0
-> installed sexplib.v0.17.0
-> installed dyn.3.19.1
-> installed tyxml.4.6.0
-> installed angstrom.0.16.1
-> installed printbox-html.0.12
-> installed curl.0.10.0
-> installed uucp.16.0.0
-> installed ctypes.0.23.0
-> installed stdune.3.19.1
-> installed printbox-text.0.12
-> installed base.v0.17.3
-> installed printbox-md.0.12
-> installed ctypes-foreign.0.23.0
-> installed fieldslib.v0.17.0
-> installed variantslib.v0.17.0
-> installed stdio.v0.17.0
-> installed printbox-ext-plot.0.12
-> installed dune-private-libs.3.19.1
-> installed dune-site.3.19.1
-> installed ppxlib.0.36.0
-> installed ppxlib_jane.v0.17.4
-> installed ppx_optcomp.v0.17.1
-> 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_enumerate.v0.17.0
-> installed ppx_globalize.v0.17.2
-> 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_base.v0.17.0
-> installed ppx_minidebug.2.3.0
-> 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)
2025-08-12 17:21.29 ---> saved as "240727c436574e0307c02011788bd3a70e79136a76f612d7258b8ba7fa2dafad"


/src: (copy (src .) (dst /src))
2025-08-12 17:21.30 ---> saved as "ed7926fced167f1fcd3bd6b2b65471d461d111e6f3f603750e80ca9cb3164d4f"


/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_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_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/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/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/adbf41dbe4c03165c8442cb011c81191/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/3b4b6baf133cb227f7a0085620217bf0/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/.sandbox/3b4b6baf133cb227f7a0085620217bf0/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/adbf41dbe4c03165c8442cb011c81191/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/.sandbox/3b4b6baf133cb227f7a0085620217bf0/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
(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_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_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:31:21
┌────────────────────┐
│[70]: +_g shape 0:1 │
│┌┬─────────┐        │
│││axis 0   │        │
│├┼─────────┤        │
│││ 2.47e+1 │        │
│└┴─────────┘        │
└────────────────────┘
HERE: test/operations/micrograd_demo_logging.ml:32:21
┌─────────────────┐
│[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:33:21
┌─────────────────┐
│[2]: b shape 0:1 │
│┌┬──────┐        │
│││axis 0│        │
│├┼──────┤        │
│││ 2.00 │        │
│└┴──────┘        │
└─────────────────┘
┌────────────────────────┐
│[2]: b shape 0:1  grad_b│
│┌┬─────────┐            │
│││axis 0   │            │
│├┼─────────┤            │
│││ 6.45e+2 │            │
│└┴─────────┘            │
└────────────────────────┘
(cd _build/.sandbox/3b4b6baf133cb227f7a0085620217bf0/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/3b4b6baf133cb227f7a0085620217bf0/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..984767c 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 │ -1.44e-10  3.34e-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 │ -1.44e-10  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 │ -1.44e-10  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 │ -1.44e-10  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 │ -1.44e-10  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 │ 1.00     3.34e-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 │ 1.00     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 │ 1.00     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 │ 1.00     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 │ 1.00     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 │ 2.00     3.34e-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 │ 2.00     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 │ 2.00     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 │ 2.00     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 │ 2.00     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 │ 3.00     3.34e-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 │ 3.00     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 │ 3.00     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 │ 3.00     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 │ 3.00     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  │  │
+│└──────┴─────────────────────────┘  │
+└────────────────────────────────────┘
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│ -1.44e-10  3.34e-41  0.00 ││
+││      │ 0.00       1.93e+3   1.00 ││
+││      │ ...        ...       ...  ││
+││      │ 2.82e+3    3.04e+3   4.00 ││
+││      │ 0.00       0.00      5.00 ││
+│└──────┴───────────────────────────┘│
+└────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:278:21
┌─────────────────────────────────────────────────────────────────┐
│[2]: ;=>_c shape 0:3|1:4,2:2                                     │
(cd _build/.sandbox/adbf41dbe4c03165c8442cb011c81191/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/adbf41dbe4c03165c8442cb011c81191/default/test/einsum/einsum_trivia.ml.corrected
diff --git a/_build/default/test/einsum/einsum_trivia.ml b/_build/.sandbox/adbf41dbe4c03165c8442cb011c81191/default/test/einsum/einsum_trivia.ml.corrected
index 2bcae70..a3f1774 100644
--- a/_build/default/test/einsum/einsum_trivia.ml
+++ b/_build/.sandbox/adbf41dbe4c03165c8442cb011c81191/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 │ -1.48e-20  3.40e-41  0.00 ││
+    ││axis 2│ 0.00       2.91e+3   1.00 ││
+    ││      │ ...        ...       ...  ││
+    ││      │ 4.68e+3    5.12e+3   4.00 ││
+    ││      │ 0.00       0.00      5.00 ││
+    │├──────┼───────────────────────────┤│
+    ││1 @ 1 │ -1.48e-20  1.00     0.00  ││
+    ││axis 2│ 0.00       2.91e+3  1.00  ││
+    ││      │ ...        ...      ...   ││
+    ││      │ 4.68e+3    5.12e+3  4.00  ││
+    ││      │ 0.00       1.00     5.00  ││
+    │├──────┼───────────────────────────┤│
+    ││2 @ 1 │ -1.48e-20  2.00     0.00  ││
+    ││axis 2│ 0.00       2.91e+3  1.00  ││
+    ││      │ ...        ...      ...   ││
+    ││      │ 4.68e+3    5.12e+3  4.00  ││
+    ││      │ 0.00       2.00     5.00  ││
+    │├──────┼───────────────────────────┤│
+    ││3 @ 1 │ -1.48e-20  3.00     0.00  ││
+    ││axis 2│ 0.00       2.91e+3  1.00  ││
+    ││      │ ...        ...      ...   ││
+    ││      │ 4.68e+3    5.12e+3  4.00  ││
+    ││      │ 0.00       3.00     5.00  ││
+    │├──────┼───────────────────────────┤│
+    ││4 @ 1 │ -1.48e-20  4.00     0.00  ││
+    ││axis 2│ 0.00       2.91e+3  1.00  ││
+    ││      │ ...        ...      ...   ││
+    ││      │ 4.68e+3    5.12e+3  4.00  ││
+    ││      │ 0.00       4.00     5.00  ││
+    │└──────┴───────────────────────────┘│
+    ├────────────────────────────────────┤
+    │┌──────┬─────────────────────────┐  │
+    ││1 @ 0 │axis 3                   │  │
+    │├──────┼─────────────────────────┤  │
+    ││0 @ 1 │ 1.00     3.40e-41  0.00 │  │
+    ││axis 2│ 1.00     2.91e+3   1.00 │  │
+    ││      │ ...      ...       ...  │  │
+    ││      │ 4.68e+3  5.12e+3   4.00 │  │
+    ││      │ 1.00     0.00      5.00 │  │
+    │├──────┼─────────────────────────┤  │
+    ││1 @ 1 │ 1.00     1.00     0.00  │  │
+    ││axis 2│ 1.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 1.00     1.00     5.00  │  │
+    │├──────┼─────────────────────────┤  │
+    ││2 @ 1 │ 1.00     2.00     0.00  │  │
+    ││axis 2│ 1.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 1.00     2.00     5.00  │  │
+    │├──────┼─────────────────────────┤  │
+    ││3 @ 1 │ 1.00     3.00     0.00  │  │
+    ││axis 2│ 1.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 1.00     3.00     5.00  │  │
+    │├──────┼─────────────────────────┤  │
+    ││4 @ 1 │ 1.00     4.00     0.00  │  │
+    ││axis 2│ 1.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 1.00     4.00     5.00  │  │
+    │└──────┴─────────────────────────┘  │
+    ├────────────────────────────────────┤
+    │┌──────┬─────────────────────────┐  │
+    ││2 @ 0 │axis 3                   │  │
+    │├──────┼─────────────────────────┤  │
+    ││0 @ 1 │ 2.00     3.40e-41  0.00 │  │
+    ││axis 2│ 2.00     2.91e+3   1.00 │  │
+    ││      │ ...      ...       ...  │  │
+    ││      │ 4.68e+3  5.12e+3   4.00 │  │
+    ││      │ 2.00     0.00      5.00 │  │
+    │├──────┼─────────────────────────┤  │
+    ││1 @ 1 │ 2.00     1.00     0.00  │  │
+    ││axis 2│ 2.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 2.00     1.00     5.00  │  │
+    │├──────┼─────────────────────────┤  │
+    ││2 @ 1 │ 2.00     2.00     0.00  │  │
+    ││axis 2│ 2.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 2.00     2.00     5.00  │  │
+    │├──────┼─────────────────────────┤  │
+    ││3 @ 1 │ 2.00     3.00     0.00  │  │
+    ││axis 2│ 2.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 2.00     3.00     5.00  │  │
+    │├──────┼─────────────────────────┤  │
+    ││4 @ 1 │ 2.00     4.00     0.00  │  │
+    ││axis 2│ 2.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 2.00     4.00     5.00  │  │
+    │└──────┴─────────────────────────┘  │
+    ├────────────────────────────────────┤
+    │┌──────┬─────────────────────────┐  │
+    ││3 @ 0 │axis 3                   │  │
+    │├──────┼─────────────────────────┤  │
+    ││0 @ 1 │ 3.00     3.40e-41  0.00 │  │
+    ││axis 2│ 3.00     2.91e+3   1.00 │  │
+    ││      │ ...      ...       ...  │  │
+    ││      │ 4.68e+3  5.12e+3   4.00 │  │
+    ││      │ 3.00     0.00      5.00 │  │
+    │├──────┼─────────────────────────┤  │
+    ││1 @ 1 │ 3.00     1.00     0.00  │  │
+    ││axis 2│ 3.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 3.00     1.00     5.00  │  │
+    │├──────┼─────────────────────────┤  │
+    ││2 @ 1 │ 3.00     2.00     0.00  │  │
+    ││axis 2│ 3.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 3.00     2.00     5.00  │  │
+    │├──────┼─────────────────────────┤  │
+    ││3 @ 1 │ 3.00     3.00     0.00  │  │
+    ││axis 2│ 3.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+3  4.00  │  │
+    ││      │ 3.00     3.00     5.00  │  │
+    │├──────┼─────────────────────────┤  │
+    ││4 @ 1 │ 3.00     4.00     0.00  │  │
+    ││axis 2│ 3.00     2.91e+3  1.00  │  │
+    ││      │ ...      ...      ...   │  │
+    ││      │ 4.68e+3  5.12e+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│ -1.48e-20  3.40e-41  0.00 ││
+    ││      │ 0.00       2.91e+3   1.00 ││
+    ││      │ ...        ...       ...  ││
+    ││      │ 4.68e+3    5.12e+3   4.00 ││
+    ││      │ 0.00       0.00      5.00 ││
+    │└──────┴───────────────────────────┘│
+    └────────────────────────────────────┘
|}]


let%expect_test "einsum with a leftmost input axis preserved as output axis" =
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..1d7f8d8 100644
--- a/_build/default/test/training/moons_demo_mini.expected
+++ b/_build/default/test/training/moons_demo_mini.exe.output
@@ -11,11 +11,10 @@ Half-moons scatterplot and decision boundary:
│###***.%%%%...###..%%%%%.│
│###**...%%%%%%%##.%%%%%..│
│***......%%%%%%%%%%%%%...│
-│...........%%%%%%%%%%....│
+│**.........%%%%%%%%%%....│
└─────────────────────────┘Loss:
┌─────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 2.29│-                                                                                                   │
-│     │                                                                                                    │
+│ 2.62│-                                                                                                   │
│     │                                                                                                    │
│     │                                                                                                    │
│     │                                                                                                    │
@@ -32,73 +31,74 @@ Half-moons scatterplot and decision boundary:
│     │                                                                                                    │
│     │                                                                                                    │
│     │                                                                                                    │
+│     │                                                                                                    │
│l    │                                                                                                    │
│o    │                                                                                                    │
-│s    │                                                                                                    │
-│s    │                                                                                                    │
-│     │  -                                                                                                 │
+│s    │  -                                                                                                 │
+│s    │   -                                                                                                │
│     │                                                                                                    │
│     │                                                                                                    │
-│     │   -                                                                                                │
│     │                                                                                                    │
│     │                                                                                                    │
│     │                                                                                                    │
│     │                                                                                                    │
+│     │     -                                                                                              │
│     │                                                                                                    │
-│     │     -      -                                                                                       │
│     │                                                                                                    │
+│     │          - -                                                                                       │
│     │                                                                                                    │
-│     │      ---  -                                                                                        │
-│     │               -                                                                                    │
-│     │          -     -      -        -  -                                               -                │
-│     │                    -            -                                                                  │
-│     │             -    -      - -   -    - -      -  - --      -      -          -                   -   │
-│ 0.00│                 -   --   - - -      -  ----  --    -- ---  ----  --- ---- - -- ---  ---- ---- - -- │
+│     │      --                                                                                            │
+│     │        -                                                                                           │
+│     │           -                                                                                        │
+│     │             -  - - -  -   -    -  -                                                            -   │
+│     │               - -   -   -       -                                                                  │
+│     │                          -    -    -             --             -          -      -      -         │
+│ 0.00│                      -     - -      -- ---- ----   -- ---- ----  --- ---- - -- ---  ----  --- - -- │
├─────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│     │0.00                                                                                         7.90e+1│
│     │                                                step                                                │
└─────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘Log-loss, for better visibility:
┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 8.30e-1 │-                                                                                                   │
-│         │                                                                                                    │
+│ 9.64e-1 │-                                                                                                   │
│         │ -                                                                                                  │
-│         │  -                                                                                                 │
-│         │   -                                                                                                │
│         │                                                                                                    │
-│         │     -      -                                                                                       │
-│         │      -    -                                                                                        │
-│         │       --                                                                                           │
-│         │          -    -       -        -                                                                   │
-│         │                -   -              -                                               -                │
-│         │                                 -                -                                                 │
-│         │                                                                            -                   -   │
-│         │             -    -        -   -    - -      -  -  -      -      -                                  │

[31m-│         │                         --          -                 -    -           -                           │
-│         │                     -        -                     -        -                  -     -    - -      │
-│l        │                                           -  -                    -   -                -        -  │
-│o        │                                          -    -                    -         -                     │
-│g        │                                        -                             -                   -         │
-│         │                      -                                                                             │
-│l        │                                                              --                       -            │
-│o        │                                                                                     -              │
-│s        │                                                                                                    │
-│s        │                                                                                                    │
+│         │  --                                                                                                │
│         │                                                                                                    │
+│         │     -                                                                                              │
+│         │          - -                                                                                       │
+│         │      --                                                                                            │
+│         │        -  -                                                                                        │
+│         │             -  - - -  -   -    -                                                               -   │
+│         │               -                   -                                                                │
+│         │                 -   -   --      -                -                                -                │
+│         │                               -                                            -                       │
+│         │                                                   -                                      -         │
+│         │                                    ---      -  -      -  -      -                           -      │
+│         │                      -       -                                         -             -    -        │
+│l        │                                                    -       -       -  -        -                -  │
+│o        │                                                         -   -     -                                │
+│g        │                                        - --                          -                     -       │
+│         │                                                                              -      -  -           │
+│l        │                                                                                                    │
+│o        │                                                                         -                          │
+│s        │                            -                           -                                           │
+│s        │                                              -                                                     │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
+│         │                                                                                  -                 │
│         │                                                                                                    │
│         │                                                                                                    │
+│         │                                                                                       -            │
│         │                                                                                                    │
-│         │                                                     -                                              │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
│         │                                                                                                    │
-│ -1.00e+1│                 -          -            -              --        -      - - -   --         -  -  - │
+│ -1.00e+1│                                         -     -     -        --  -        - -   -             -  - │
├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│         │0.00                                                                                         7.90e+1│
│         │                                                step                                                │
(cd _build/.sandbox/3b4b6baf133cb227f7a0085620217bf0/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/3b4b6baf133cb227f7a0085620217bf0/default/test/operations/zero2hero_1of7.ml.corrected
diff --git a/_build/default/test/operations/zero2hero_1of7.ml b/_build/.sandbox/3b4b6baf133cb227f7a0085620217bf0/default/test/operations/zero2hero_1of7.ml.corrected
index 5caa1d9..477ec47 100644
--- a/_build/default/test/operations/zero2hero_1of7.ml
+++ b/_build/.sandbox/3b4b6baf133cb227f7a0085620217bf0/default/test/operations/zero2hero_1of7.ml.corrected
@@ -273,21 +273,21 @@ let%expect_test "Simple gradients hosted" =
[%expect
{|
#12 *._l
-                        0.00
+                        -4.15e-36
#13 grad_*._l
-                        0.00
+                        -4.15e-36
#8 +_d                   │#10 f non-emb
-                  0.00                    │ -2.00
+                  -4.15e-36               │ -2.00
#9 grad_+_d              │#11 grad_f
-                  0.00                    │ 0.00
+                  -4.15e-36               │ -4.15e-36
#4 *._e            │#6 c non-emb│
-           0.00              │ 1.00e+1    │
+           3.44e+31          │ 1.00e+1    │
#5 grad_*._e       │#7 grad_c   │
-           0.00              │ 0.00       │
+           4.75e+30          │ -4.15e-36  │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     3.31e+31   │ 3.31e+31   │            │
|}];
(* 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
+                    -4.15e-36
#13 grad_*._l Virt/40
<void>
#8 +_d Local/1046            │#10 f non-emb
<void>                       │ -2.00
#9 grad_+_d Virt/40          │#11 grad_f
-             <void>                       │ 0.00
+             <void>                       │ -4.15e-36
#4 *._e Virt/152       │#6 c non-emb│
<void>                 │ 1.00e+1    │
#5 grad_*._e Virt/40   │#7 grad_c   │
-      <void>                 │ 0.00       │
+      <void>                 │ 4.75e+30   │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     3.77e+31   │ 3.44e+31   │            │
|}];
(* 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_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..92928d3 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: 11.963504


Half-moons scatterplot and decision boundary:
┌────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│****************************************#***************************************....................│
-│********************************##*#*******#************************************....................│
-│*******************#******#*#**#**##**##*#**#***#*******************************....................│
-│***************#********#***#**#**#**#*#*##**##**##****************************.....................│
-│*************#****#*###**#*##*#*##***##*#######******#*************************.....................│
-│*****************#*#****#***#***#*#*#*********#*##*##**************************.....................│
-│************#***##*###***#*#********#**#***##*#***##***#***********************.....................│
-│**********#***#****#####*#***###******#*#*#***#***#***#*##**#*****************......................│
-│***********####*#***#****#*#*****##****#**********##**************************......................│
-│*********#****#***#**##*#*#*#*******#**##*#*##*##*#*#**#**##******************......................│
-│**********#**#*###**#**********......******#***#***#**#*##***#***************.......................│
-│***#**#****###*##*#*##********....%....********##*##**#*#*#******************.......................│
-│***#**#**#*#***###**#*#******....%......%********#***#****#****#*************.......................│
-│********#**###***#**********.............*******#***#*#**#***###*************...........%.%....%....│
-│**#********####*#**#********..%......%.%...*********#**##***##***#**********......................%.│
-│****##*****##****#*********...%......%......**********#**#*#*#*##*#*********....................%...│
-│***#*#**#***#*#************....%.%.....%......*******#*##*#*#****#**********.................%.%.%..│
-│*#*#**#**#*#***#**********.....%.%.%%.%........*********###*****#*###******.............%.%..%...%.%│
-│****##**##****************..............%.......*********###*##**#*#*******..............%%%..%.%%..│
-│***#***##*##*************....%.%%.%%%.%...........*******#*#*####*#*#******.............%%%%.%..%...│
-│#*#*#*#**#*#*************....%....%.%.%%%..........*******#***************..............%....%.%.%..│
-│##*##***#**#************.....%...%%.%%..%..%........**********#***#*#*****.......................%%.│
-│*#**#******#***********..........%..%...%%............******##***#*###****...........%.%%.%..%......│
-│#***#*##**#************..........%...%...%.............**********#**#*****............%.%%.%%%..%%%.│
-│*#*##***##************...........%.%%%.%.................***###**#*##****..............%.%%.........│
-│******#*#*************............%%.%.%%%%...............**********#****........%.%..%%..%..%......│
-│*****#****#**********.................%.%.%................***#****#*****.........%.%..%..%.%..%%%..│
-│*****##**************...........%...%...%%.%%..%.............******#***.........%....%%%.%%..%......│
-│********************..............%..%.%%.%%.%..%%.%%...........#*##*.............%%%%.........%....│
-│******************.................%%..%...%..%%%%..........................%%%.....%.%..%.%........│
-│****************......................%..%.%..%..%....................%..%..%%%%.%.%%%%%...%%.......│
-│**************......................%%...%%%.%%%%.%.%.%%.....%...........%.%%%%%.%....%.%...........│
-│************............................%..%.......%.%%%....%%.%..%%%.%%..%.%.%.%..%................│
-│**********..............................%...%%..%....%..%%.%%.%.%....%....%%%..%.%%..%.%............│
-│*******....................................%%....%..%.%%%..%%%....%%.%...%%...%%...%%...%%..........│
-│*****........................................%.%..%..%%%%%.%....%%...%%.%..%..%....%................│
-│**.........................................%............%..%%.....%%..%.%.%....%....................│
+│****************************************#***********************************************************│
+│********************************##*#*******#********************************************************│
+│*******************#******#*#**#**##**##*#**#***#***************************************************│
+│***************#********#***#**#**#**#*#*##**##**##*************************************************│
+│*************#****#*###**#*##*#*##***##*#######******#**********************************************│
+│*****************#*#****#***#***#*#*#*********#*##*##***********************************************│
+│************#***##*###***#*#********#**#***##*#***##***#********************************************│
+│**********#***#****#####*#***###******#*#*#***#***#***#*##**#***************************************│
+│***********####*#***#****#*#*****##****#**********##**********************************************..│
+│*********#****#***#**##*#*#*#*******#**##*#*##*##*#*#**#**##**********************************......│
+│**********#**#*###**#**********************#***#***#**#*##***#****************************..........│
+│***#**#****###*##*#*##************%************##*##**#*#*#**************************...............│
+│***#**#**#*#***###**#*#**********%******%********#***#****#****#*****************...................│
+│********#**###***#******************************#***#*#**#***###************............%.%....%....│
+│**#********####*#**#**********%******%*%************#**##***##***#******..........................%.│
+│****##*****##****#************%******%****************#**#*#*#*##*#*............................%...│
+│***#*#**#***#*#****************%*%*****%*************#*##*#*#**..#...........................%.%.%..│
+│*#*#**#**#*#***#***************%*%*%%*%*****************###.....#.###...................%.%..%...%.%│
+│****##**##******************************%*************...###.##..#.#.....................%%%..%.%%..│
+│***#***##*##*****************%*%%*%%%*%***********.......#.#.####.#.#...................%%%%.%..%...│
+│#*#*#*#**#*#*****************%****%*%*%%%*****............#.............................%....%.%.%..│
+│##*##***#**#*****************%***%%*%%**%..%..................#...#.#............................%%.│
+│*#**#******#*********************%**%...%%..................##...#.###...............%.%%.%..%......│
+│#***#*##**#*********************.%...%...%.......................#..#.................%.%%.%%%..%%%.│
+│*#*##***##******************.....%.%%%.%....................###..#.##..................%.%%.........│
+│******#*#**************...........%%.%.%%%%.........................#............%.%..%%..%..%......│
+│*****#****#********...................%.%.%...................#....#..............%.%..%..%.%..%%%..│
+│*****##********.................%...%...%%.%%..%...................#............%....%%%.%%..%......│
+│**********........................%..%.%%.%%.%..%%.%%...........#.##..............%%%%.........%....│
+│******.............................%%..%...%..%%%%..........................%%%.....%.%..%.%........│
+│*.....................................%..%.%..%..%....................%..%..%%%%.%.%%%%%...%%.......│
+│....................................%%...%%%.%%%%.%.%.%%.....%...........%.%%%%%.%....%.%...........│
+│........................................%..%.......%.%%%....%%.%..%%%.%%..%.%.%.%..%................│
+│........................................%...%%..%....%..%%.%%.%.%....%....%%%..%.%%..%.%............│
+│...........................................%%....%..%.%%%..%%%....%%.%...%%...%%...%%...%%..........│
+│.............................................%.%..%..%%%%%.%....%%...%%.%..%..%....%................│
+│...........................................%............%..%%.....%%..%.%.%....%....................│
│...................................................%...%.%..%.%.......%%...%........................│
│........................................................%%%.....%.%..%..%.....%..%..................│
│......................................................%....%%%%.%.%.%....%..........................│
└────────────────────────────────────────────────────────────────────────────────────────────────────┘
Batch Log-loss:
┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 3.78    │-                                                                                                   │
-│         │                                                                                                    │
+│ 3.85    │-                                                                                                   │
│         │                                                                                                    │
│         │-                                                                                                   │
│         │                                                                                                    │
│         │                                                                                                    │
-│         │       --      ----       --  -- -                                                                  │
-│         │ --- --   ----      ---- -  -   -  --                                                               │
-│         │ --   - -  --               -        -- --                  -                                       │
-│         │--------- ---- ---- ---- ---- ----        -- ---     -   -            -                             │
-│         │-   ----  --- - -- -     ---- ---- --           - ---  -     -                              -       │
-│         │-- -     -     -    --- ---     -- - --                   -                                -        │
-│         │ - -----         -             -    -                   -     -     -  -                     -      │
-│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│----------------------------------------------------------------------------------------------------│
+│         │                -                                                                                   │
+│         │                                                                                    -               │
+│         │              -                                                                                     │
+│ -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
+┌─────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ 4.61│-                                                                                                   │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│e    │                                                                                                    │
+│p    │                                                                                                    │
+│o    │                                                                                                    │
+│c    │                                                                                                    │
+│h    │                                                                                                    │
+│     │                                                                                                    │
+│l    │                                                                                                    │
+│o    │                                                                                                    │
+│g    │                                                                                                    │
+│     │                                                                                                    │
+│l    │ -                                                                                                  │
+│o    │                                                                                                    │
+│s    │  --                                                                                                │
+│s    │     -                                                                                              │
+│     │                                                                                                    │
+│     │      -                                                                                             │
+│     │                                                                                                    │
+│     │       -                                                                                            │
+│     │        -                                                                                           │
+│     │          -                                                                                         │
+│     │           ---                                                                                      │
+│     │                 -                                                                                  │
+│     │               -  -                                                                                 │
+│     │                    -     -                                                                         │
+│     │                -    --- - --  --- --   ---                                                         │
+│     │                              -      --    - ---- ---- ---- ---- - --    - -                        │
+│ 2.46│                                                                  -   ---   --- ---- ---- ---- ---- │
+├─────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
+│     │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..f2ded55 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│-                                                                                                   │
+│ 2.06e+1│-                                                                                                   │
│        │                                                                                                    │
│        │                                                                                                    │
│        │                                                                                                    │
@@ -65,8 +65,7 @@ Half-moons scatterplot and decision boundary:
│l       │                                                                                                    │
│o       │                                                                                                    │
│s       │                                                                                                    │
-│s       │                                                                                                    │
-│        │                                                                                                    │
+│s       │-                                                                                                   │
│        │                                                                                                    │
│        │                                                                                                    │
│        │                                                                                                    │
@@ -74,60 +73,61 @@ Half-moons scatterplot and decision boundary:
│        │                                                                                                    │
│        │                                                                                                    │
│        │                                                                                                    │
+│        │-                                                                                                   │
│        │                                                                                                    │
│        │                                                                                                    │
-│        │-                                                                                                   │
│        │                                                                                                    │
-│        │ - - -    -                                                                                         │
-│        │- -   ---                                                                                           │
-│        │   - ---  - -- ---  ---  - -                                                                        │
-│        │----  - - --     -- ---- ---- ---- ---  -- -            -                                           │
-│        │--------- ---- ---- ---- ---- ---- ---- ---- ---- ---  ---- ---    -- -     -     -             -   │
+│        │ --                                                                                                 │
+│        │   -                      -     -  - -                                                              │
+│        │   - -      -        --- - -- -- -  -   - -- -    - -  - -        -                                 │
+│        │---  - -- - -- - -- -- -  -     -  - --  -    ---  - -  - - - -- - -- --    -                       │
+│        │--------- ---- ---- ---- ---- ---- ---- ---- ----   -- - -  ---   -   ---- ---- ---- ---  --        │
+│        │-------------- ---- ---- ---- ---- ---- ---- --   --    - -  - - - --   -- - -- ---- ---- ---- ---- │
│ 0.00   │----------------------------------------------------------------------------------------------------│
├────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│        │0.00                                                                                         6.39e+3│
│        │                                                step                                                │
└────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘Log-loss, for better visibility:
┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 3.17    │-                                                                                                   │
-│         │                                                                                                    │
+│ 3.02    │-                                                                                                   │
│         │                                                                                                    │
│         │                                                                                                    │
+│         │-                                                                                                   │
│         │                                                                                                    │
│         │-                                                                                                   │
-│         │ - - -    -                                                                                         │
-│         │- -  ----                                                                                           │
-│         │   -  --- - -- ---- ---- ---     -                                                                  │
-│         │----  -    --- ---- ---- ---- ---- ---- ---- -- -      --                                           │
-│         │---- ---- ---- ---- ---- ---- ---- ---- -- -   -   -   -  -        --       -                   -   │
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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
2025-08-12 17:26.35: Job failed: Failed: Build failed