Organisationsahrefsocannl77773e ()debian-12-5.3+flambda_opam-2.4

debian-12-5.3+flambda_opam-2.4

Logs

Show full logs
2025-08-15 21:15.19: New job: test ahrefs/ocannl https://github.com/ahrefs/ocannl.git#refs/heads/master (77773e8f7aaea09b457ed91fc735df26e0e888a3) (linux-x86_64:debian-12-5.3+flambda_opam-2.4)
Base: ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68
Opam project build

To reproduce locally:

git clone --recursive "https://github.com/ahrefs/ocannl.git" -b "master" && cd "ocannl" && git reset --hard 77773e8f
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68
# debian-12-5.3+flambda_opam-2.4
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam
RUN opam init --reinit -ni
RUN uname -rs && opam exec -- ocaml -version && opam --version
WORKDIR /src
RUN sudo chown opam /src
RUN cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 neural_nets_lib.opam arrayjit.opam ./
RUN opam pin add -yn neural_nets_lib.dev './' && \
    opam pin add -yn arrayjit.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 dune-private-libs.3.19.1 dune-site.3.19.1 dyn.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.3.0+options ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ordering.3.19.1 parsexp.v0.17.0 pp.2.0.0 pprint.20230830 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_fields_conv.v0.17.0 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_minidebug.2.3.0 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppx_string.v0.17.0 ppx_variants_conv.v0.17.1 ppxlib.0.36.0 ppxlib_jane.v0.17.4 printbox.0.12 printbox-ext-plot.0.12 printbox-html.0.12 printbox-md.0.12 printbox-text.0.12 ptime.1.2.0 re.1.13.2 result.1.5 saturn_lockfree.0.5.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 stdune.3.19.1 thread-local-storage.0.2 time_now.v0.17.0 topkg.1.1.0 tyxml.4.6.0 uucp.16.0.0 uutf.1.0.4 variantslib.v0.17.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.4 --depext-only -y neural_nets_lib.dev arrayjit.dev $DEPS
RUN opam install $DEPS
COPY --chown=1000:1000 . /src
RUN opam exec -- dune build @install @check @runtest && rm -rf _build

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

2025-08-15 21:15.19: Using cache hint "ahrefs/ocannl-ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68-debian-12-5.3+flambda_opam-2.4-132475af3e6ddd44ad76e37f5d1f298b"
2025-08-15 21:15.19: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68)
 (comment debian-12-5.3+flambda_opam-2.4)
 (user (uid 1000) (gid 1000))
 (env CLICOLOR_FORCE 1)
 (env OPAMCOLOR always)
 (workdir /src)
 (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
 (run (shell "opam init --reinit -ni"))
 (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
 (workdir /src)
 (run (shell "sudo chown opam /src"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u"))
 (copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
 (run (network host)
      (shell  "opam pin add -yn neural_nets_lib.dev './' && \
             \nopam pin add -yn arrayjit.dev './'"))
 (run (network host)
      (shell "echo '(lang dune 3.0)' > './dune-project'"))
 (env DEPS "angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 dune-private-libs.3.19.1 dune-site.3.19.1 dyn.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.3.0+options ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ordering.3.19.1 parsexp.v0.17.0 pp.2.0.0 pprint.20230830 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_fields_conv.v0.17.0 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_minidebug.2.3.0 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppx_string.v0.17.0 ppx_variants_conv.v0.17.1 ppxlib.0.36.0 ppxlib_jane.v0.17.4 printbox.0.12 printbox-ext-plot.0.12 printbox-html.0.12 printbox-md.0.12 printbox-text.0.12 ptime.1.2.0 re.1.13.2 result.1.5 saturn_lockfree.0.5.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 stdune.3.19.1 thread-local-storage.0.2 time_now.v0.17.0 topkg.1.1.0 tyxml.4.6.0 uucp.16.0.0 uutf.1.0.4 variantslib.v0.17.0")
 (env CI true)
 (env OCAMLCI true)
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "opam update --depexts && opam install --cli=2.4 --depext-only -y neural_nets_lib.dev arrayjit.dev $DEPS"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "opam install $DEPS"))
 (copy (src .) (dst /src))
 (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
)

2025-08-15 21:15.19: Waiting for resource in pool OCluster
2025-08-15 21:15.19: Waiting for worker…
2025-08-15 21:15.20: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
HEAD is now at 77773e8f Tiny typo

(from ocaml/opam:debian-12-ocaml-5.3-flambda@sha256:bc87a3a3e7ab52284be6c3db2016fad5b20704dd9d74b10ac786ae3a7af56f68)
2025-08-15 21:15.21 ---> using "8f19063995d2e91975b673384143fa4316c06cf525acaad5ddc9dfe32e879b21" from cache

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

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

/: (env CLICOLOR_FORCE 1)

/: (env OPAMCOLOR always)

/: (workdir /src)

/src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
2025-08-15 21:15.21 ---> using "3964d961645aac4701995e7afa81c4230383d448cff22e07a607fd337d9459ea" from cache

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

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

Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-08-15 21:15.21 ---> using "5aebcfda9685f3a603e14fa984661649d5b4c24cad7ac53b2dbd7993b0191857" from cache

/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-63-generic
The OCaml toplevel, version 5.3.0
2.4.1
2025-08-15 21:15.21 ---> using "b3767d8466038a203e474e97e3c72b7e65c6cd3e74da7a70330f79ca1443edbb" from cache

/src: (workdir /src)

/src: (run (shell "sudo chown opam /src"))
2025-08-15 21:15.21 ---> using "3777998cb18ca2c1bd519ed60e51da93fddf8559566beec5a9ce7afd99330774" from cache

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

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

Already up-to-date.
Nothing to do.
# To update the current shell environment, run: eval $(opam env)
2025-08-15 21:15.21 ---> using "63b31d405cf8a512f06ec83086bb2087cf3a01b407c89d327ccfecbb2baa0e5a" from cache

/src: (copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
2025-08-15 21:15.21 ---> using "2d0faef7c38b3b7928d9e5d425bc401536047ef00db7c3d8993a8a1b358edd4f" from cache

/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)
2025-08-15 21:15.21 ---> using "6c2ab594ad659ceacf9e4b8bcc4a86c7c471fc620454908adc5cb5b056b4696a" from cache

/src: (run (network host)
           (shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-08-15 21:15.21 ---> using "08254241e4455cfa54ce1c982394b67c3f9e43e8d83d366fa9e9b3d26f40875d" from cache

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

/src: (env CI true)

/src: (env OCAMLCI true)

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

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

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

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

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

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libcurl4-gnutls-dev" "libffi-dev" "pkg-config" "zlib1g-dev"
- debconf: delaying package configuration, since apt-utils is not installed
- Selecting previously unselected package libcurl4-gnutls-dev:amd64.
- (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 18778 files and directories currently installed.)
- Preparing to unpack .../0-libcurl4-gnutls-dev_7.88.1-10+deb12u12_amd64.deb ...
- Unpacking libcurl4-gnutls-dev:amd64 (7.88.1-10+deb12u12) ...
- Selecting previously unselected package libffi-dev:amd64.
- Preparing to unpack .../1-libffi-dev_3.4.4-1_amd64.deb ...
- Unpacking libffi-dev:amd64 (3.4.4-1) ...
- Selecting previously unselected package libpkgconf3:amd64.
- Preparing to unpack .../2-libpkgconf3_1.8.1-1_amd64.deb ...
- Unpacking libpkgconf3:amd64 (1.8.1-1) ...
- Selecting previously unselected package pkgconf-bin.
- Preparing to unpack .../3-pkgconf-bin_1.8.1-1_amd64.deb ...
- Unpacking pkgconf-bin (1.8.1-1) ...
- Selecting previously unselected package pkgconf:amd64.
- Preparing to unpack .../4-pkgconf_1.8.1-1_amd64.deb ...
- Unpacking pkgconf:amd64 (1.8.1-1) ...
- Selecting previously unselected package pkg-config:amd64.
- Preparing to unpack .../5-pkg-config_1.8.1-1_amd64.deb ...
- Unpacking pkg-config:amd64 (1.8.1-1) ...
- Selecting previously unselected package zlib1g-dev:amd64.
- Preparing to unpack .../6-zlib1g-dev_1%3a1.2.13.dfsg-1_amd64.deb ...
- Unpacking zlib1g-dev:amd64 (1:1.2.13.dfsg-1) ...
- Setting up libcurl4-gnutls-dev:amd64 (7.88.1-10+deb12u12) ...
- Setting up libffi-dev:amd64 (3.4.4-1) ...
- Setting up libpkgconf3:amd64 (1.8.1-1) ...
- Setting up pkgconf-bin (1.8.1-1) ...
- Setting up zlib1g-dev:amd64 (1:1.2.13.dfsg-1) ...
- Setting up pkgconf:amd64 (1.8.1-1) ...
- Setting up pkg-config:amd64 (1.8.1-1) ...
- Processing triggers for libc-bin (2.36-9+deb12u10) ...
2025-08-15 21:15.21 ---> using "01a0bc33ee314b71f22700bd6686aea6d06a02e7c6dedc62941cf37400eb4125" from cache

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

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved angstrom.0.16.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved backoff.0.1.1  (cached)
-> retrieved bigarray-compat.1.1.0  (cached)
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved base.v0.17.3  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved camlzip.1.13  (cached)
-> installed conf-libcurl.2
-> installed conf-pkg-config.4
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> installed conf-libffi.2.0.0
-> installed conf-zlib.1
-> retrieved csv.2.4  (cached)
-> retrieved ctypes.0.23.0, ctypes-foreign.0.23.0  (cached)
-> retrieved curl.0.10.0  (cached)
-> retrieved fieldslib.v0.17.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved integers.0.7.0  (cached)
-> retrieved jane-street-headers.v0.17.0  (cached)
-> retrieved jst-config.v0.17.0  (cached)
-> retrieved logs.0.9.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved multicore-magic.2.3.1  (cached)
-> retrieved mdx.2.5.0  (cached)
-> retrieved num.1.6  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocaml-syntax-shims.1.0.0  (cached)
-> retrieved ocaml-version.4.0.1  (cached)
-> retrieved ocaml_intrinsics_kernel.v0.17.1  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved parsexp.v0.17.0  (cached)
-> retrieved pp.2.0.0  (cached)
-> retrieved pprint.20230830  (cached)
-> retrieved ppx_assert.v0.17.0  (cached)
-> retrieved ppx_base.v0.17.0  (cached)
-> retrieved ppx_cold.v0.17.0  (cached)
-> retrieved ppx_compare.v0.17.0  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved dune.3.19.1, dune-configurator.3.19.1, dune-private-libs.3.19.1, dune-site.3.19.1, dyn.3.19.1, ordering.3.19.1, stdune.3.19.1  (cached)
-> retrieved ppx_deriving.6.1.1  (cached)
-> retrieved ppx_enumerate.v0.17.0  (cached)
-> retrieved ppx_expect.v0.17.3  (cached)
-> retrieved ppx_fields_conv.v0.17.0  (cached)
-> retrieved ppx_globalize.v0.17.2  (cached)
-> retrieved ppx_hash.v0.17.0  (cached)
-> retrieved ppx_here.v0.17.0  (cached)
-> retrieved ppx_inline_test.v0.17.1  (cached)
-> retrieved ppx_optcomp.v0.17.1  (cached)
-> installed cmdliner.1.3.0
-> installed num.1.6
-> retrieved ppx_minidebug.2.3.0  (cached)
-> retrieved ppx_sexp_conv.v0.17.1  (cached)
-> retrieved ppx_string.v0.17.0  (cached)
-> retrieved ppx_variants_conv.v0.17.1  (cached)
-> retrieved ppxlib_jane.v0.17.4  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved ppxlib.0.36.0  (cached)
-> retrieved re.1.13.2  (cached)
-> retrieved result.1.5  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib.v0.17.0  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved saturn_lockfree.0.5.0  (cached)
-> retrieved printbox.0.12, printbox-ext-plot.0.12, printbox-html.0.12, printbox-md.0.12, printbox-text.0.12  (cached)
-> retrieved stdio.v0.17.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved thread-local-storage.0.2  (cached)
-> retrieved time_now.v0.17.0  (cached)
-> retrieved topkg.1.1.0  (cached)
-> retrieved tyxml.4.6.0  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved variantslib.v0.17.0  (cached)
-> retrieved uucp.16.0.0  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed camlzip.1.13
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.0
-> installed mtime.2.1.0
-> installed uutf.1.0.4
-> installed fmt.0.11.0
-> installed ptime.1.2.0
-> installed astring.0.8.5
-> installed logs.0.9.0
-> installed dune.3.19.1
-> installed backoff.0.1.1
-> installed bigarray-compat.1.1.0
-> installed camlp-streams.5.0.1
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed csv.2.4
-> installed jane-street-headers.v0.17.0
-> installed multicore-magic.2.3.1
-> installed ocaml-compiler-libs.v0.17.0
-> installed ocaml-syntax-shims.1.0.0
-> installed ocaml-version.4.0.1
-> installed ocaml_intrinsics_kernel.v0.17.1
-> installed pp.2.0.0
-> installed pprint.20230830
-> installed ppx_derivers.1.2.1
-> installed printbox.0.12
-> installed re.1.13.2
-> installed result.1.5
-> installed sexplib0.v0.17.0
-> installed stdlib-shims.0.3.0
-> installed thread-local-storage.0.2
-> installed saturn_lockfree.0.5.0
-> installed integers.0.7.0
-> installed ordering.3.19.1
-> installed parsexp.v0.17.0
-> installed dune-configurator.3.19.1
-> installed dyn.3.19.1
-> installed sexplib.v0.17.0
-> installed bigstringaf.0.10.0
-> installed mdx.2.5.0
-> installed angstrom.0.16.1
-> installed curl.0.10.0
-> installed tyxml.4.6.0
-> installed printbox-html.0.12
-> installed stdune.3.19.1
-> installed uucp.16.0.0
-> installed ctypes.0.23.0
-> installed printbox-text.0.12
-> installed printbox-md.0.12
-> installed base.v0.17.3
-> installed printbox-ext-plot.0.12
-> installed dune-private-libs.3.19.1
-> installed fieldslib.v0.17.0
-> installed stdio.v0.17.0
-> installed variantslib.v0.17.0
-> installed ctypes-foreign.0.23.0
-> installed dune-site.3.19.1
-> installed ppxlib.0.36.0
-> installed ppx_optcomp.v0.17.1
-> installed ppxlib_jane.v0.17.4
-> installed ppx_cold.v0.17.0
-> installed ppx_here.v0.17.0
-> installed ppx_variants_conv.v0.17.1
-> installed ppx_fields_conv.v0.17.0
-> installed ppx_globalize.v0.17.2
-> installed ppx_enumerate.v0.17.0
-> installed ppx_deriving.6.1.1
-> installed ppx_compare.v0.17.0
-> installed ppx_sexp_conv.v0.17.1
-> installed ppx_hash.v0.17.0
-> installed ppx_assert.v0.17.0
-> installed ppx_minidebug.2.3.0
-> installed ppx_base.v0.17.0
-> installed jst-config.v0.17.0
-> installed ppx_string.v0.17.0
-> installed time_now.v0.17.0
-> installed ppx_inline_test.v0.17.1
-> installed ppx_expect.v0.17.3
Done.
# To update the current shell environment, run: eval $(opam env)
2025-08-15 21:15.21 ---> using "59f43b81e48adac6abe6cd91a0c36b11352f9254e0345efe4f665e4f4d8f8556" from cache

/src: (copy (src .) (dst /src))
2025-08-15 21:15.22 ---> saved as "4bc5320927aa61ca1c769e1cdf05d8e67cb2175ea36b173afceba382e9f587d8"

/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]: 0.205322
  [1]: 0.188110
  [2]: 0.220215
  [3]: 0.073975
  [4]: 0.374023
  [5]: 0.494141
  [6]: 0.410400
  [7]: 0.102295
  [8]: 0.160400
  [9]: 0.635254
  [10]: 0.657715
  [11]: 0.580566
  [12]: 0.698730
  [13]: 0.979492
  [14]: 0.033386
  [15]: 0.711426
  [16]: 0.600098
  [17]: 0.772461
  [18]: 0.133789
  [19]: 0.799316
  [20]: 0.664062
  [21]: 0.045898
  [22]: 0.072632
  [23]: 0.610352
  [24]: 0.855469
  [25]: 0.286377
  [26]: 0.113281
  [27]: 0.690430
  [28]: 0.365479
  [29]: 0.236328
  [30]: 0.400146
  [31]: 0.354248
  [32]: 0.851562
  [33]: 0.613281
  [34]: 0.859863
  [35]: 0.624023
  [36]: 0.302246
  [37]: 0.005325
  [38]: 0.874023
  [39]: 0.461914
  [40]: 0.002930
  [41]: 0.811035
  [42]: 0.319824
  [43]: 0.088684
  [44]: 0.597656
  [45]: 0.608887
  [46]: 0.076538
  [47]: 0.784668
(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/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/.sandbox/2e5551eabf39cc2fb26b1fdf2a562f8e/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/2e5551eabf39cc2fb26b1fdf2a562f8e/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/default/test/operations && ./test_threefry_precision.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Threefry4x32 result precision: uint4x32
Uniform result precision: single
Retrieving commandline, environment, or config file variable ocannl_backend
Found sync_cc, in the config file
Retrieving commandline, environment, or config file variable ocannl_cd_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_ll_ident_style
Not found, using default heuristic
Retrieving commandline, environment, or config file variable ocannl_output_prec_in_ll_files
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_inline_complex_computations
Not found, using default 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_stack_threshold_in_bytes
Not found, using default 16384
Retrieving commandline, environment, or config file variable ocannl_output_dlls_in_build_directory
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_cc_backend_optimization_level
Not found, using default 3
Retrieving commandline, environment, or config file variable ocannl_cc_backend_compiler_command
Not found, using default gcc
Retrieving commandline, environment, or config file variable ocannl_cc_backend_verify_codesign
Not found, using default false
Compilation successful!
Actual tensor precision in context: uint4x32
(cd _build/default/test/operations && ./top_down_prec.exe --ocannl_output_prec_in_ll_files=true --ocannl_output_debug_files_in_build_directory=true)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
                      #8 *._d
                       8.00
                      #9 grad_*._d Virt/30
                      <void>
             #6 + Virt/152                 │#4 c non-emb
             <void>                        │ 2.00
             #7 grad_+ Virt/30             │#5 grad_c Local/26030
             <void>                        │<void>
#0 a non-emb         │#2 b non-emb         │
 2.00                │ 2.00                │
#1 grad_a Local/26030│#3 grad_b Local/26030│
<void>               │<void>               │
(cd _build/.sandbox/2e5551eabf39cc2fb26b1fdf2a562f8e/default/test/einsum && .einsum_tutorials.inline-tests/inline-test-runner.exe inline-test-runner einsum_tutorials -partition surjectivity.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_inline_complex_computations
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_stack_threshold_in_bytes
Not found, using default 16384
Retrieving commandline, environment, or config file variable ocannl_output_dlls_in_build_directory
Not found, using default false
Retrieving commandline, environment, or config file variable ocannl_cc_backend_optimization_level
Not found, using default 3
Retrieving commandline, environment, or config file variable ocannl_cc_backend_compiler_command
Not found, using default gcc
Retrieving commandline, environment, or config file variable ocannl_cc_backend_verify_codesign
Not found, using default false
HERE: test/operations/micrograd_demo_logging.ml:36:21
┌────────────────────┐
│[70]: +_g shape 0:1 │
│┌┬─────────┐        │
│││axis 0   │        │
│├┼─────────┤        │
│││ 2.47e+1 │        │
│└┴─────────┘        │
└────────────────────┘
HERE: test/operations/micrograd_demo_logging.ml:37:21
┌─────────────────┐
│[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:38:21
┌─────────────────┐
│[2]: b shape 0:1 │
│┌┬──────┐        │
│││axis 0│        │
│├┼──────┤        │
│││ 2.00 │        │
│└┴──────┘        │
└─────────────────┘
┌────────────────────────┐
│[2]: b shape 0:1  grad_b│
│┌┬─────────┐            │
│││axis 0   │            │
│├┼─────────┤            │
│││ 6.45e+2 │            │
│└┴─────────┘            │
└────────────────────────┘
(cd _build/.sandbox/0fcca3a71a1231fcffc83ef87af95137/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/0fcca3a71a1231fcffc83ef87af95137/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/0fcca3a71a1231fcffc83ef87af95137/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition test_threefry4x32.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/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 ab15b52..09534a1 100644
--- a/_build/default/test/training/moons_demo_mini.expected
+++ b/_build/default/test/training/moons_demo_mini.exe.output
@@ -14,7 +14,7 @@ Half-moons scatterplot and decision boundary:
 │**.........%%%%%%%%%%....│
 └─────────────────────────┘Loss:
 ┌─────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 2.66│-                                                                                                   │
+│ 3.47│-                                                                                                   │
 │     │                                                                                                    │
 │     │                                                                                                    │
 │     │                                                                                                    │
@@ -33,9 +33,10 @@ Half-moons scatterplot and decision boundary:
 │     │                                                                                                    │
 │     │                                                                                                    │
 │l    │                                                                                                    │
-│o    │  -                                                                                                 │
-│s    │   -                                                                                                │
+│o    │                                                                                                    │
 │s    │                                                                                                    │
+│s    │  --                                                                                                │
+│     │                                                                                                    │
 │     │                                                                                                    │
 │     │                                                                                                    │
 │     │                                                                                                    │
@@ -45,48 +46,47 @@ Half-moons scatterplot and decision boundary:
 │     │                                                                                                    │
 │     │                                                                                                    │
 │     │                                                                                                    │
+│     │                                                                                                    │
 │     │      -                                                                                             │
 │     │                                                                                                    │
-│     │       -  - -                                                                                       │
-│     │                -                                                                                   │
-│     │        -  -                                                                                        │
-│     │             - -  - -  -        -  -                                                            -   │
-│     │                                 -                                                                  │
-│     │                 -       ---        ---           -              -                 -                │
-│ 0.00│                     --     - --        ---- ----  --- ---- ----  --- ---- ---- ---  ---- ---- - -- │
+│     │       -                                                                                            │
+│     │                                                                                                    │
+│     │             -                                                                                      │
+│     │        -                  -    -- -              -              -                 -            -   │
+│ 0.00│          ---  ---- ---- -- - --    --- ---- ----  --- ---- ----  --- ---- ---- ---  ---- ---- - -- │
 ├─────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
 │     │0.00                                                                                         7.90e+1│
 │     │                                                step                                                │
 └─────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘Log-loss, for better visibility:
 ┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 9.79e-1 │-                                                                                                   │
+│ 1.24    │-                                                                                                   │
 │         │ -                                                                                                  │
 │         │                                                                                                    │
 │         │  --                                                                                                │
+│         │                                                                                                    │
 │         │     -                                                                                              │
 │         │                                                                                                    │
 │         │      -                                                                                             │
-│         │       -  - -   -                                                                                   │
-│         │        -  -                                                                                        │
-│         │             - -  - -  -        -  -                                                                │
-│         │                                 -                                                              -   │
-│         │                                     -            -                                -                │
-│         │                 -                  -                                                               │
-│         │                         ---          -                          -                                  │
-│         │                     -        -            - -  -  -   -                                            │
-│         │                                                          -                 -         -             │
-│l        │                      -                        -             -      -                   -  - -      │
-│o        │                                                                   -                                │
-│g        │                               -                              -                                     │
-│         │                                              -     -                        -            -      -  │
-│l        │                                        - -                    -                -                   │
-│o        │                                                         -                                          │
-│s        │                                                                      -                             │
-│s        │                                                        -   -          -                            │
+│         │       -                                                                                            │
+│         │                                                                                                    │
+│         │             -                                                                                      │
+│         │                                                                                   -                │
+│         │                                 - -              -                                             -   │
+│         │        -                  -    -                                -                                  │
+│         │          - -                                   -      -                    -                -      │
+│         │                       -  -                  -     -      -        -                  - -  -        │
+│l        │           -                   -    - -                     -       -  -   -  -                  -  │
+│o        │                     -               -        -                       -         -         -         │
+│g        │                                                    -   --   -                         -            │
+│         │                                                                                            -       │
+│l        │               -                          -    -              -                      -              │
+│o        │                              -            -                                                        │
+│s        │                                                                                                    │
+│s        │                                                                                                    │
+│         │                    -                                                   -         -                 │
 │         │                                                                                                    │
 │         │                                                                                                    │
 │         │                                                                                                    │
-│         │                                                                                       -            │
 │         │                                                                                                    │
 │         │                                                                                                    │
 │         │                                                                                                    │
@@ -98,7 +98,7 @@ Half-moons scatterplot and decision boundary:
 │         │                                                                                                    │
 │         │                                                                                                    │
 │         │                                                                                                    │
-│ -1.00e+1│                            -            -           -            -     -- -  -  --  -      -  -  - │
+│ -1.00e+1│                ---   -  -  -           --           -         -  -      -   -   -             -  - │
 ├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
 │         │0.00                                                                                         7.90e+1│
 │         │                                                step                                                │
File "test/einsum/moons_demo_variant.expected", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/einsum/moons_demo_variant.expected _build/default/test/einsum/moons_demo_variant.exe.output
diff --git a/_build/default/test/einsum/moons_demo_variant.expected b/_build/default/test/einsum/moons_demo_variant.exe.output
index b433a2a..18c4d61 100644
--- a/_build/default/test/einsum/moons_demo_variant.expected
+++ b/_build/default/test/einsum/moons_demo_variant.exe.output
@@ -40,7 +40,9 @@ n39 grad_- as n38.grad: Local/1046; single prec 10x1; mem in bytes: <not-in-yet>
 n40 relu_margin_loss as relu_margin_loss: Virt/15; single prec 10x1; mem in bytes: <not-in-yet>
 n41 grad_relu_margin_loss as relu_margin_loss.grad: Local/1046; single prec 10x1; mem in bytes: <not-in-yet>
 n42 10 as _10: Virt/40; single prec 1; mem in bytes: <not-in-yet>
+n43 => as n43: Local/1046; single prec 1; mem in bytes: <not-in-yet>
 n44 grad_=> as n43.grad: Virt/40; single prec 1; mem in bytes: <not-in-yet>
+n45 /._scalar_loss as scalar_loss: Host&stream/412410; single prec 1; mem in bytes: <not-in-yet>
 n46 grad_/._scalar_loss as scalar_loss.grad: Virt/40; single prec 1; mem in bytes: <not-in-yet>
 n47 1 as _1: Virt/40; single prec 1; mem in bytes: <not-in-yet>
 n48 200 as _200: Virt/40; single prec 1; mem in bytes: <not-in-yet>
@@ -51,6 +53,7 @@ n52 *. as n52: Virt/40; single prec 1; mem in bytes: <not-in-yet>
 n53 - as n53: Virt/152; single prec 1; mem in bytes: <not-in-yet>
 n54 0.1 as n54: Virt/40; single prec 1; mem in bytes: <not-in-yet>
 n55 *. as n55: Virt/152; single prec 1; mem in bytes: <not-in-yet>
+n56 /._learning_rate as learning_rate: Host&stream/412410; single prec 1; mem in bytes: <not-in-yet>
 n57 sgd_delta_b1 as sgd_delta_b1: Virt/15; single prec 16; mem in bytes: <not-in-yet>
 n58 sgd_momentum_b1 as sgd_momentum_b1: unknown; single prec <not-in-yet>; mem in bytes: <not-in-yet>
 n59 0.0001 as n59: Virt/40; single prec 1; mem in bytes: <not-in-yet>
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 23271e9..ad4dd60 100644
--- a/_build/default/test/training/moons_demo.expected
+++ b/_build/default/test/training/moons_demo.exe.output
@@ -2,49 +2,49 @@ Retrieving commandline, environment, or config file variable ocannl_log_level
 Found 0, in the config file
 Half-moons scatterplot and decision boundary:
 ┌────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│**************************************#*************************************************************│
-│***************************#**##**###******#********************************************************│
-│******************#**#**#*##***#******#**#******##**************************************************│
-│********************#*****###********##*##**##*****#**##********************************************│
-│****************###*#***#****#*#**#*#*******##******************************************************│
-│***********##***#*****##**##****#*###*##**##****#*****#*********************************************│
-│************##**********#*##**#*##***###*####******##******##*************************************..│
-│**************#**##**##******#***#**#***#*##***######**#***************************************.....│
-│*************##*#****####*##**#**###**##***###*###*###**#**#*#*******************************.......│
-│**********#**#*###******#**#***#*#****#******###*****#*##**********************************.........│
-│*****#*****####***###***###*......********##******#*#****#*#*****************************...........│
-│*********##***##****##*****..%.......****************#**###**#***#**********************............│
-│****#***#**####*#**##*****.......%....************#**#*##**#*#*##*********************........%.....│
-│*****#****###**#***#*****....%.%........**********#*****##*#*************************....%...%.%....│
-│****##****#**##****#*****.....%.%%...%...********#*****##*#***##********************............%%..│
-│*******##*##**#**#******.....%....%....%...*******#*#***##*#**#********************............%...%│
-│****#*#*#*#*#***********.......%....%.%.....*********#**#*#***####*#**************...........%.%....│
-│#*#****#**##************.......%%.%..%%%......*********#**##*****#***************......%.%%.%%%.....│
-│*#*###*#*#*************.......%%...............*********#*#*#*#**#**#************............%%.....│
-│#**#*####*#************........%%%.%..%%.........************##**###************........%.%....%%.%.│
-│*#**#****###**********........%%...%.....%........**********##***#*#***********.........%%...%.%..%.│
-│##***#*##***#*********........%%.....%%..%.%........*******#***##**#**********.......%..%..%.%....%.│
-│*#*******************.........%.....%..%.%...........******###*#***##*********...............%......│
-│*****#**#************...........%......%%.%%...........**********#**#********..........%.%.%%.%%%%..│
-│###***#***##********............%%.%....................****#*#*#*#*********........%....%%%%...%...│
-│#***#*#***#*********............%.%.%...%.%...............##****#*#********......%....%..%...%%.....│
-│#******#************...............%.....%.%%..............***#****#******.........%....%.%.%...%...│
-│**###*#************..................%.%.%....%.%............****#**#*****.....%%.%.%.%..%%.........│
-│*********#*********...............%%...%.%......%.%.............*****#***........%...%%.%.%.%.......│
-│******************.................%....%.%%%%.....%....%...........****....%.%..%.%%%...%%%........│
-│******************....................%%.%.%.%.%%..%...%%.%..................%.%.%%%%%.....%%%......│
-│*****************.....................%..%...%%%.%%.%.%.............%......%..%%.....%%.............│
-│*****************......................%%.%%%%.%%....%%%%%%%%%...%%.%..%%..%.%..%..%.%..%...........│
-│*****************..........................%%...%%%.%%..%%%.....%..%%..%.%.%%%%.....%%..............│
-│****************..............................%...%.....%.%..%..%%...%..%.%.%..%.....%%.............│
-│****************...........................%....%.....%.%........%..%%.%%......%%%%.................│
-│***************...................................%.%..%.%.%....%%.%..%..%..%%.%..%%................│
-│***************................................%...%%.%..%%.%....%..%.%%..%.......%.................│
-│**************.........................................%.%%%%...%...%%....%%........................│
-│**************........................................%..%.%...%.%.%.%...%..%.......................│
+│**************************************#*******************************************************......│
+│***************************#**##**###******#************************************************........│
+│******************#**#**#*##***#******#**#******##*****************************************.........│
+│********************#*****###********##*##**##*****#**##**********************************..........│
+│****************###*#***#****#*#**#*#*******##*******************************************...........│
+│***********##***#*****##**##****#*###*##**##****#*****#*********************************............│
+│************##**********#*##**#*##***###*####******##******##**************************.............│
+│**************#**##**##******#***#**#***#*##***######**#******************************..............│
+│*************##*#****####*##**#**###**##***###*###*###**#**#*#***********************...............│
+│**********#**#*###******#**#*..#*#****#******###*****#*##***************************................│
+│*****#*****####***###***###*.......*******##******#*#****#*#***********************.................│
+│*********##***##****##*****..%........***************#**###**#***#****************..................│
+│****#***#**####*#**##******......%......**********#**#*##**#*#*##****************.............%.....│
+│*****#****###**#***#******...%.%.........*********#*****##*#********************.........%...%.%....│
+│****##****#**##****#*****.....%.%%...%.....******#*****##*#***##***************.................%%..│
+│*******##*##**#**#*******....%....%....%....******#*#***##*#**#***************.................%...%│
+│****#*#*#*#*#***********.......%....%.%.......*******#**#*#***####*#**********...............%.%....│
+│#*#****#**##************.......%%.%..%%%........*******#**##*****#***********..........%.%%.%%%.....│
+│*#*###*#*#*************.......%%.................*******#*#*#*#**#**#*******.................%%.....│
+│#**#*####*#***********.........%%%.%..%%...........**********##**###*******.............%.%....%%.%.│
+│*#**#****###**********........%%...%.....%..........********##***#*#******..............%%...%.%..%.│
+│##***#*##***#********.........%%.....%%..%.%..........*****#***##**#******...........%..%..%.%....%.│
+│*#*******************.........%.....%..%.%..............***###*#***##****....................%......│
+│*****#**#***********............%......%%.%%.............********#**#***...............%.%.%%.%%%%..│
+│###***#***##********............%%.%.......................*#*#*#*#****.............%....%%%%...%...│
+│#***#*#***#********.............%.%.%...%.%...............##..**#*#***...........%....%..%...%%.....│
+│#******#**********.................%.....%.%%.................#..**#*..............%....%.%.%...%...│
+│**###*#***********...................%.%.%....%.%................#..#..........%%.%.%.%..%%.........│
+│*********#*******.................%%...%.%......%.%..................#...........%...%%.%.%.%.......│
+│*****************..................%....%.%%%%.....%....%...................%.%..%.%%%...%%%........│
+│****************......................%%.%.%.%.%%..%...%%.%..................%.%.%%%%%.....%%%......│
+│****************......................%..%...%%%.%%.%.%.............%......%..%%.....%%.............│
+│***************........................%%.%%%%.%%....%%%%%%%%%...%%.%..%%..%.%..%..%.%..%...........│
+│**************.............................%%...%%%.%%..%%%.....%..%%..%.%.%%%%.....%%..............│
+│**************................................%...%.....%.%..%..%%...%..%.%.%..%.....%%.............│
+│*************..............................%....%.....%.%........%..%%.%%......%%%%.................│
+│*************.....................................%.%..%.%.%....%%.%..%..%..%%.%..%%................│
+│************...................................%...%%.%..%%.%....%..%.%%..%.......%.................│
+│************...........................................%.%%%%...%...%%....%%........................│
+│***********...........................................%..%.%...%.%.%.%...%..%.......................│
 └────────────────────────────────────────────────────────────────────────────────────────────────────┘Loss:
 ┌────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 2.60e+1│-                                                                                                   │
+│ 3.52e+1│-                                                                                                   │
 │        │                                                                                                    │
 │        │                                                                                                    │
 │        │                                                                                                    │
@@ -76,58 +76,58 @@ Half-moons scatterplot and decision boundary:
 │        │                                                                                                    │
 │        │                                                                                                    │
 │        │                                                                                                    │
-│        │ - -                                                                                                │
-│        │-     -                                                                                             │
-│        │  -  -         - -                                                                                  │
-│        │       --    -  -   -                                                                               │
-│        │-         ---    --                                                                                 │
-│        │ --- ---- ---  -  - ----  --                                                                        │
-│        │---- --------- ---  ---- ---- ---            -  -  -     -                                          │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │     -     --                                                                                       │
+│        │---   --  -                                                                                         │
+│        │-  -    -    - -    -  - ---- ---- --                                                               │
+│        │-    --   ---  ----  --    -         -- ---- -                                                      │
+│        │---- ----    - ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- -                        │
 │ 0.00   │----------------------------------------------------------------------------------------------------│
 ├────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
 │        │0.00                                                                                         6.39e+3│
 │        │                                                step                                                │
 └────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘Log-loss, for better visibility:
 ┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 3.25    │-                                                                                                   │
+│ 3.56    │-                                                                                                   │
 │         │                                                                                                    │
 │         │                                                                                                    │
 │         │                                                                                                    │
 │         │                                                                                                    │
-│         │   -                                                                                                │
-│         │---  --        -                                                                                    │
-│         │       --   --  --  -                                                                               │
-│         │-  - --   --   - -- -                                                                               │
-│         │ ---  --- ---    -- ----  --                 -                                                      │
-│         │---- ---- ----  --  ---- ---- --                                                                    │
-│         │---- --- ----  -    ----  --    -          -   --  -     -                                          │
-│         │-  --    - --  - --   -   -      - --    -       -                                                  │
-│         │- - ----  - -    -     - -    --      - -  -- - -  ---     --                                       │
-│         │-------  - -   - -  --   - -    -- - - - --   -         -    -       -                              │
-│         │  ----      ------ -   -  -  -   - ----  -   - -   - ------  -----     -             -              │
-│l        │---  ---- -  -    - ---   - - --   --   ---- --- -  -  - -  - --  - -  --    -        -             │
-│o        │-  -----    - - -- - ---- -    -  ---             ---  -  - - -  -- -   ----- -----    - -          │
-│g        │- ----  ------  - -- -  ----      -  ---- -  -  -    -    - --   ---  ----    -      - --           │
-│         │-- ------- -  --- --  ---    ----     - - --   -----     --  -      - -- -  --       --             │
-│l        │- - -----  -----  - ---- ----- ---       - --    -- -   -      --     -      --      -  -           │
-│o        │- - --     - ------- - - -- ---- -- --------  - - -  -      -         -    -    ----  -             │
-│s        │--  -- -    ------- -   - --- -    -  - -  -  - -   ---        -                    -     -         │
-│s        │ -  - --   ---  - -        - - -   -        -  -   -   -      -        -         -     -            │
-│         │   -     -  -- ----   -   - ---     -  -    -             -                                         │
-│         │ -- --      ---    --      --    - -                -  -                   -            -           │
-│         │   --- --- - ---   - -  -  --  -  -- -       --- -      -    -     -      -    -                    │
-│         │ - - -       - --  ---  - -   -   -                                                                 │
-│         │-   - -    ---    -   -  -   -    -      -             -            -                               │
-│         │ --  --                -- -      -    -                                             -               │
-│         │ -  --         -    -  -  -                                          --                             │
-│         │  -   -                -                                                   -                        │
-│         │                       --   -           -                  -                                        │
-│         │                            -                                                                -      │
-│         │              -             -                                                                       │
 │         │                                                                                                    │
-│         │                          -                                                                         │
-│         │              -         -                                                                           │
-│         │                    -    -                                                                          │
+│         │     -    ---                                                                                       │
+│         │----  ---      -           -  - -                                                                   │
+│         │-    -       -  --  - -- -- -  - - ---- -                                                           │
+│         │--   ---- ---  - -- ---- ---- --         --- ---- ---- ---- - -- -                                  │
+│         │ --- ---     - ---- --          -- ---- -                    -     --    -                          │
+│         │---- ---- - -    -- ---- ---- -- -       --- ---   --             -   ---  -  -                     │
+│         │-- --------    ----  --- ----   -  ---- -       - -  - ----                 --   - -                │
+│         │- - --- -  --   - - - -- ---             ---                ---                   -                 │
+│         │-- - - - - -   - --  --  ---- --   -         ----  --   ---    - - --    -  -   -    -- -           │
+│         │--- ----- - ---   -  --  ----  - -                -- - --        --    -   -  -    - - -      - -   │
+│l        │-   - - - ----  -  --  - -- -  -- - --  -             -   -       -   --        -         -  -   -- │
+│o        │-- -- --    ---  --    -- -   -- - - --  ---    ---  - -    ----    - ---- -----     - - - - - -  - │
+│g        │-------  ---- --- -  - - ------ - --- ----------- -- -  - - - ----- --- -- ----- --- ---  - -- --   │
+│         │--- ------------ - ----------------- - - --   - - --- -- - -    ----- -- --- -  -   ---       - -  -│
+│l        │---- ---------- ---- --   -- ---- ---- -  -  - - -------  -  --- - -  --   ---- -- -     --  --   - │
+│o        │- ----- ---- - ----- ------- - --- ------------- --- ------ -- -  - - -   - -  ------- --- --   - - │
+│s        │- ---- ----- -  ----- - ---------------  -----  --- -      -----   -    --- - - -----   - -- - --   │
+│s        │-   --   ----  ------ ---------  ----- --- ------- -- - - -- ---- - --    -  -  -  -   - -   -  --  │
+│         │- --------- - --- -- -- ----- --   ---  --------  -- -  - --  - -- -  ---- -   - - --   -        -  │
+│         │--- ----   -   --  ------ -- ----    ---- - --   -  - -- --- -  -   -     -   - ---    -  --   -    │
+│         │    --- -     - --  -   - - -- -    --    --- ---- ---- - -    --    - -                    -       │
+│         │- -   --       -- --   - --  - ---- - -  -- - - ---   -- -  - -    -         -       -        -     │
+│         │     - -- -      -  - -  - --   -      --   - --   -  - -         -  - - -            -             │
+│         │ -      --        -   -        --       --            -- -   - -      -               -           - │
+│         │    -       - -  -   -          --                        -      -       - -      -                -│
+│         │               -         -             - - -                    -   -              -                │
+│         │-                          - - -     -     - -       -      -                                       │
+│         │   -    -      -              -              -                                       -              │
+│         │                                       --          -                     -      -             -     │
+│         │                                 -   - -                                                            │
+│         │  -          -  -       -                                                                           │
+│         │      -       -                                                                                     │
+│         │                                            -                                                       │
 │ -1.00e+1│----------------------------------------------------------------------------------------------------│
 ├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
 │         │0.00                                                                                         6.39e+3│
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 d019ae6..bdcb325 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: 0.213
+Epoch loss: 1.916
 
 Half-moons scatterplot and decision boundary:
 ┌────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│****************************************#******************************************************.....│
-│***************************#****##**#******#**#************************************************.....│
-│**********************#******#*##**##*##*****#*#*#********************************************......│
-│*********************##****##*#*##*##***#*****###********************************************.......│
-│********************#**#****#****#****###**#*#*###**#****************************************.......│
-│*********************#*###*#**********#*#***#**#*##**#**************************************........│
-│**************#######***#*#*###*#*#*****##**#**##*****##***********************************.........│
-│********#*##******##***##*****#*###**#*#**#***##**#*##*#*****#****************************..........│
-│*************#*#***###***#*#*##*******##***###*#**#****#***#*#***************************...........│
-│************#*#####****#**#**#*#***********###**#####*#***#*****************************............│
-│*****#*****##*#*##*******#****#************#****#*#*************************************............│
-│*********#*###**##*******#****...%....****#******#***#*#**#****************************.............│
-│*********#***#****#***#*#****..%.....%.**********##**######*##************************..............│
-│****###*##*##***#***********.%%........%.************##***#####**#*******************....%......%...│
-│*****#****###****##*******...%..%.........*****************##**#********************....%......%....│
-│***##*#*##**#**#*********....%...%...%.....***********#***#**#*####****************.....%..%...%%...│
-│******#######*#*********.......%...%.%%......***********#*#*#*********************........%..%...%..│
-│#***#**#*****#*********...............%.......**********##**#**####**************.........%%...%.%%.│
-│***##*#**#*#*#********............%.%.%%........*************#*####*##**********.........%%%.%.%.%..│
-│#***###**************........%%..%...%...%.......*******#**#***####*#**********............%%...%%%.│
-│*#*******#*#********............%%%.%....%.........*****#****#*#*#**#*#*******.......%.%%%.%.%..%.%.│
-│#*#****###*********...........%...%....%%...........*********#***#**#********........%..%..%...%%%..│
-│***#**#*#*********.................%..%%...%..........*************###******...........%.%%.%......%│
-│##*###*#*********................%.%..%.%%%%...........**##***#**#*********..............%......%...│
-│**#***#**#******..............%..%.....%%.%.%............*#*****#**##******.........%%...%.%....%...│
-│#***#*#********...............%%...%....%.%%%.............***#**#*********..........%.%.%%.%.%.%....│
-│#*******##****..................%.......%%.%...%............***#*********.........%%.%.%....%%....%.│
-│*************.....................%.%.%%%%%%%%...............*******#**..........%%.%%%%.%%.........│
-│************............................%%%%%...............#.********......%........%%..%.%...%....│
-│********#**..............................%%%%%.....%%............****..........%....%.%......%......│
-│**********.............................%%..%%%%.%%..%...%%................%.%.%%%%%..%......%.......│
-│*********...............................%..%.%%.%....%..%.%..%........%....%.%..%%.%%.%..%%.........│
-│********.................................%.%%..%%.%.%....%%....%%%%.%%...%%%%%.%%.%.%...............│
-│*******.....................................%%....%%....%.%.%%..%..........%%%%......%.%..%.........│
-│******...................................%..%..%..%...%.%%%..%..%%%.%%.%%....%%...%....%............│
-│*****.......................................%...%..%..%.%.%%...%.%..%%.%%.%.%.%%....................│
-│****........................................%.%....%...............%..%.%...%%.%%%..................│
-│***................................................%.%.....%...%.%.%.%%.%%.%........................│
-│**.......................................................%.%.%%..%.%.%%.%......%....................│
-│*.....................................................%..%.%..%.%%..%.%.....%.......................│
+│****************************************#******************************************.................│
+│***************************#****##**#******#**#***********************************..................│
+│**********************#******#*##**##*##*****#*#*#********************************..................│
+│*********************##****##*#*##*##***#*****###*********************************..................│
+│********************#**#****#****#****###**#*#*###**#****************************...................│
+│*********************#*###*#**********#*#***#**#*##**#***************************...................│
+│**************#######***#*#*###*#*#*****##**#**##*****##*************************...................│
+│********#*##******##***##*****#*###**#*#**#***##**#*##*#*****#******************....................│
+│*************#*#***###***#*#*##*******##***###*#**#****#***#*#******************....................│
+│************#*#####****#**#**#*#***********###**#####*#***#*********************....................│
+│*****#*****##*#*##*******#****#************#****#*#****************************.....................│
+│*********#*###**##*******#*******%********#******#***#*#**#********************.....................│
+│*********#***#****#***#*#******%*****%***********##**######*##*****************.....................│
+│****###*##*##***#************%%********%*************##***#####**#************...........%......%...│
+│*****#****###****##**********%**%**************************##**#**************..........%......%....│
+│***##*#*##**#**#*************%***%***%****************#***#**#*####***********..........%..%...%%...│
+│******#######*#****************%...%*%%*****************#*#*#****************.............%..%...%..│
+│#***#**#*****#****************........%*****************##**#**####**********.............%%...%.%%.│
+│***##*#**#*#*#***************.....%.%.%%*********************#*####*##******.............%%%.%.%.%..│
+│#***###*********************.%%..%...%...%.*************#**#***####*#*******...............%%...%%%.│
+│*#*******#*#***************.....%%%.%....%...***********#****#*#*#**#*#*****.........%.%%%.%.%..%.%.│
+│#*#****###****************....%...%....%%.......*************#***#**#******..........%..%..%...%%%..│
+│***#**#*#****************..........%..%%...%......*****************###*****............%.%%.%......%│
+│##*###*#****************.........%.%..%.%%%%........*****##***#**#********...............%......%...│
+│**#***#**#*************.......%..%.....%%.%.%.........****#*****#**##****...........%%...%.%....%...│
+│#***#*#***************........%%...%....%.%%%...........*****#**#*******............%.%.%%.%.%.%....│
+│#*******##***********...........%.......%%.%...%...........****#*******...........%%.%.%....%%....%.│
+│********************..............%.%.%%%%%%%%...............*******#*...........%%.%%%%.%%.........│
+│*******************.....................%%%%%...............#..****.........%........%%..%.%...%....│
+│********#*********.......................%%%%%.....%%..........................%....%.%......%......│
+│*****************......................%%..%%%%.%%..%...%%................%.%.%%%%%..%......%.......│
+│****************........................%..%.%%.%....%..%.%..%........%....%.%..%%.%%.%..%%.........│
+│***************..........................%.%%..%%.%.%....%%....%%%%.%%...%%%%%.%%.%.%...............│
+│**************..............................%%....%%....%.%.%%..%..........%%%%......%.%..%.........│
+│*************............................%..%..%..%...%.%%%..%..%%%.%%.%%....%%...%....%............│
+│************................................%...%..%..%.%.%%...%.%..%%.%%.%.%.%%....................│
+│***********.................................%.%....%...............%..%.%...%%.%%%..................│
+│**********.........................................%.%.....%...%.%.%.%%.%%.%........................│
+│*********................................................%.%.%%..%.%.%%.%......%....................│
+│********..............................................%..%.%..%.%%..%.%.....%.......................│
 └────────────────────────────────────────────────────────────────────────────────────────────────────┘
 Batch Log-loss:
 ┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 3.78    │-                                                                                                   │
-│         │                                                                                                    │
-│         │                                                                                                    │
+│ 3.73    │-                                                                                                   │
 │         │                                                                                                    │
 │         │-                                                                                                   │
 │         │                                                                                                    │
-│         │-- ---                                                                                              │
-│         │  -   -----------------------------------------------                                               │
-│         │ ---  -                                              -----       -                                  │
-│         │--- -- ---------------------------------------------      ---    -       -                          │
-│         │-- -----------------------------------------------  -       -     -     -                           │
-│         │---- -                                      ---   -  -           - -      -                         │
-│         │                                               --- -  -      --     -    - -                        │
-│b        │ -  - --- --           - -- -  - ---- --- -       -    -       --    --    -                        │
-│a        │     --  - ------------ - -- -- -        - - -  - - -   -  --    -    --    ------  -- -            │
-│t        │ ------------- -   -  -----  ---     ---    - -- - ----- - --       -   ---       -- -- ----------- │
-│c        │--      -                  ----- ---- ------- ------- - ---  -          -  -                       -│
-│h        │    --   --            ---- --  ---- -  ---  ----- --- --     -  ---  -  -  -                       │
-│         │ - -- -  -   -     ---- -            -     --  -    - - --- -------- --- -        -                 │
-│l        │  -  --------------                 -  --    ---- --  --   -- ---- -   ---   -- --                  │
-│o        │ - -- -     - -   --                          ---- ----------     --   --  -- --   ---      -       │
-│g        │   - -  -     --  - -- --                    - ------------ --  -   -          -  --  --         ---│
-│         │    -- - ------ --   -- ---  -             -- --- -------- - - --  ---  -  - - -   -    ------ ---- │
-│l        │  ---  -           -            -   -   -     - - ---- --   - -------    -   -- --     -    - ----- │
-│o        │         - -        -      -  -  -   -   - ------- -- --  -- -----   --   -  -       -  ---  ---  - │
-│s        │ -                    --- - -- -      - -  ----- - - --        -    -- -  --- - -  --- -         -  │
-│s        │ -  -                  ----         -  -  ------ -- ---       -  -         -     -  - - -    - -    │
-│         │    -  -                        --        -   - - -  -     -  -      ----   --  -     -       - -  -│
-│         │--          -              -         -      - - --   -                             -   -            │
-│         │ -        -         -             --  -  -   -  -    - -    - -     -                -             -│
-│         │  -         -   -                          -   -           -                           -            │
-│         │     -     -    -  -         -                       -                                              │
-│         │                 -          -  -            -   -  - -                    -                         │
-│         │                                                                                 -         -        │
-│         │                                       -    -                                               -       │
-│         │      -                                    --         ---                                           │
-│         │              -                                                                                     │
 │         │                                                                                                    │
 │         │                                                                                                    │
-│ -1.04e+1│----------------------------------------------------------------------------------------------------│
+│         │ --- ---   -- -          -  --                                                                      │
+│         │-   -   ---  - -------------  -----------------                                                     │
+│         │-----------------                              ------------------------                             │
+│         │------------------------------------ ----- -                           -----------------------------│
+│         │-------------------------------------   - - ----------- --  --                                      │
+│         │-    --                ----------   ----------         -  --- - --                                  │
+│         │--      -  -    -                ---  ----   ----     -        -                                    │
+│b        │  -- --  --   -- -----              --    -                      --  -                              │
+│a        │ -  - --    --       --- -  -              --    -           -     -      -                         │
+│t        │ - - - ----- - -    ------------     ---     -      -               - -                 - -- ---  - │
+│c        │ -  --     -- - - ---        - -- - -    - --     -- -- -   -- - -    - - --          -  -  -   ----│
+│h        │ --   -  - -   ----- -  ------ -----  -- ---    ------------ --  ---- --------     -   --           │
+│         │ - -     -     -      --- -- --- ----- --  ------ --------- - --- ---- ---- -   ------              │
+│l        │   -  - - -  -- -  -    - - ---   -- ---- ------------ ----------------- -  -------- -              │
+│o        │ -  -- -    --     -    -- -- - ----------------- -- --- - - ---  --   -- ----- --- - ----  ---     │
+│g        │ -    -    -  - ----  -------- --  - ----------  - --  --   ----     -------- ---------- ---  ------│
+│         │- - ---     -         -  - ----- ------ ----    --  ----- ----- -- --  --- -----   -- ----------- --│
+│l        │   ----  --- -  -  --  -    ------- - - - --  ------  -   -  -   --      - -  ----  ---- - --- -  - │
+│o        │    -   -- -   --  -  --- ----  ---  - - -   -- - --   --   - -    ---- -   --    - -   - - - -   --│
+│s        │              -  -- ----- - -      - - - - - -   -     -   -    -  ---  --      -     ---  - - ---- │
+│s        │ -          -        -    ---  -- -   -   ---   --  - -    -              -               - -  -    │
+│         │ -       --  -      --   -   -- ----------  -    -  - - -      --       - -  --      -        --   -│
+│         │       -       -      --     -- --  - -              -       -      - -   - -     -   - --          │
+│         │    -                   -   -         --           - -     -         -                 -     -   -  │
+│         │                     --   -  -----    - -  ---    -       -                -             - - ---    │
+│         │        -            - -   -       -                  --- -      -                     -            │
+│         │              -                              -             --        --    -            -          -│
+│         │                      -  -                                                              -           │
+│         │           -                   -                     -                 -                            │
+│         │                                              -  -                                                  │
+│         │                                                  -                       -                         │
+│         │                          -                                                                         │
+│         │                                                              -                                     │
+│ -1.04e+1│ ---------------------------------------------------------------------------------------------------│
 ├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
 │         │0.00                                                                                         2.39e+3│
 │         │                                                step                                                │
 └─────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
 Epoch Log-loss:
-┌──────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│ 4.38 │-                                                                                                   │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │                                                                                                    │
-│      │--                                                                                                  │
-│      │                                                                                                    │
-│e     │  - -                                                                                               │
-│p     │   - --------               -  - - -- --     -                                                      │
-│o     │             --------------- -- - -- -  ----------                                                  │
-│c     │                                                  -                                                 │
-│h     │                                                   -                                                │
-│      │                                                    -                                               │
-│l     │                                                     -                                              │
-│o     │                                                      ---                                           │
-│g     │                                                       -         -                                  │
-│      │                                                         - --            -                          │
-│l     │                                                          -      -                                  │
-│o     │                                                                        -                           │
-│s     │                                                                                                    │
-│s     │                                                            -     -                                 │
-│      │                                                                                                    │
-│      │                                                             -     -      -                         │
-│      │                                                                    -                               │
-│      │                                                              -                                     │
-│      │                                                               -           -                        │
-│      │                                                                -    --                             │
-│      │                                                                      -    -                        │
-│      │                                                                       -    --                      │
-│      │                                                                              ---                   │
-│      │                                                                                  -                 │
-│      │                                                                                 - --- -- -         │
-│      │                                                                                      -  -------- - │
-│ -1.54│                                                                                               - - -│
-├──────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
-│      │0.00                                                                                         1.19e+2│
-│      │                                                step                                                │
-└──────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
\ No newline at end of file
+┌────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ 4.60   │-                                                                                                   │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│        │                                                                                                    │
+│e       │                                                                                                    │
+│p       │                                                                                                    │
+│o       │                                                                                                    │
+│c       │                                                                                                    │
+│h       │                                                                                                    │
+│        │                                                                                                    │
+│l       │ -                                                                                                  │
+│o       │   -                                                                                                │
+│g       │  - - -                                                                                             │
+│        │-    - ----------                                                                                   │
+│l       │                 ------  -  --                                                                      │
+│o       │                       -----  -                                                                     │
+│s       │                              ------   -                                                            │
+│s       │                                   ---- -- -                                                        │
+│        │                                          - -                                                       │
+│        │                                             -                                                      │
+│        │                                              ---           -                                       │
+│        │                                                 --- --                                             │
+│        │                                                  - -  ---   -                                      │
+│        │                                                          --- - --                                  │
+│        │                                                               -                                    │
+│        │                                                                 --  -                              │
+│        │                                                                   -- -   -                         │
+│        │                                                                      ---- -                        │
+│        │                                                                            -                       │
+│        │                                                                             ------------ -         │
+│ 6.49e-1│                                                                                         -----------│
+├────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
+│        │0.00                                                                                         1.19e+2│
+│        │                                                step                                                │
+└────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
\ No newline at end of file
(cd _build/.sandbox/0fcca3a71a1231fcffc83ef87af95137/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
(cd _build/.sandbox/0fcca3a71a1231fcffc83ef87af95137/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/2e5551eabf39cc2fb26b1fdf2a562f8e/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
(cd _build/.sandbox/0fcca3a71a1231fcffc83ef87af95137/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
"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1
2025-08-15 21:15.42: Job failed: Failed: Build failed