ubuntu-24.10-5.3_opam-2.4

2025-08-04 17:01.33: New job: test ahrefs/ocannl https://github.com/ahrefs/ocannl.git#refs/heads/master (d164ae891db2e1324488e5d2eda9d3899a7eee1e) (linux-x86_64:ubuntu-24.10-5.3_opam-2.4)
Base: ocaml/opam:ubuntu-24.10-ocaml-5.3@sha256:a3ffa70374ecfc80dd386b73faebcc4ce15a8f241b0a09130e80ef58d76b2e74
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ahrefs/ocannl.git" -b "master" && cd "ocannl" && git reset --hard d164ae89
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-24.10-ocaml-5.3@sha256:a3ffa70374ecfc80dd386b73faebcc4ce15a8f241b0a09130e80ef58d76b2e74
# ubuntu-24.10-5.3_opam-2.4
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam
RUN opam init --reinit -ni
RUN uname -rs && opam exec -- ocaml -version && opam --version
WORKDIR /src
RUN sudo chown opam /src
RUN cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 neural_nets_lib.opam arrayjit.opam ./
RUN opam pin add -yn neural_nets_lib.dev './' && \
opam pin add -yn arrayjit.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 parsexp.v0.17.0 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 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


2025-08-04 17:01.33: Using cache hint "ahrefs/ocannl-ocaml/opam:ubuntu-24.10-ocaml-5.3@sha256:a3ffa70374ecfc80dd386b73faebcc4ce15a8f241b0a09130e80ef58d76b2e74-ubuntu-24.10-5.3_opam-2.4-a61f39135d120f7a92b6120d1d6a701f"
2025-08-04 17:01.33: Using OBuilder spec:
((from ocaml/opam:ubuntu-24.10-ocaml-5.3@sha256:a3ffa70374ecfc80dd386b73faebcc4ce15a8f241b0a09130e80ef58d76b2e74)
(comment ubuntu-24.10-5.3_opam-2.4)
(user (uid 1000) (gid 1000))
(env CLICOLOR_FORCE 1)
(env OPAMCOLOR always)
(workdir /src)
(run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
(run (shell "opam init --reinit -ni"))
(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
(workdir /src)
(run (shell "sudo chown opam /src"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e e77940d8ff8706305602d0d643bf01c77beef2e7 || git fetch origin master) && git reset -q --hard e77940d8ff8706305602d0d643bf01c77beef2e7 && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
(run (network host)
(shell  "opam pin add -yn neural_nets_lib.dev './' && \
\nopam pin add -yn arrayjit.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "angstrom.0.16.1 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigarray-compat.1.1.0 bigstringaf.0.10.0 camlp-streams.5.0.1 camlzip.1.13 cmdliner.1.3.0 conf-libcurl.2 conf-libffi.2.0.0 conf-pkg-config.4 conf-zlib.1 cppo.1.8.0 csexp.1.5.2 csv.2.4 ctypes.0.23.0 ctypes-foreign.0.23.0 curl.0.10.0 dune.3.19.1 dune-configurator.3.19.1 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 parsexp.v0.17.0 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 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"))
)


2025-08-04 17:01.33: Waiting for resource in pool OCluster
2025-08-04 17:01.33: Waiting for worker…
2025-08-04 17:01.33: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
HEAD is now at a2d201e0 `%op`: Don't pun at local let bindings, keep collecting
HEAD is now at d164ae89 Fix so it works with ppx_minidebug disabled at compile time


(from ocaml/opam:ubuntu-24.10-ocaml-5.3@sha256:a3ffa70374ecfc80dd386b73faebcc4ce15a8f241b0a09130e80ef58d76b2e74)
Unable to find image 'ocaml/opam:ubuntu-24.10-ocaml-5.3@sha256:a3ffa70374ecfc80dd386b73faebcc4ce15a8f241b0a09130e80ef58d76b2e74' locally
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Digest: sha256:a3ffa70374ecfc80dd386b73faebcc4ce15a8f241b0a09130e80ef58d76b2e74
Status: Downloaded newer image for ocaml/opam@sha256:a3ffa70374ecfc80dd386b73faebcc4ce15a8f241b0a09130e80ef58d76b2e74
2025-08-04 17:01.33 ---> using "e3031fce4666df3c8a4d180feda7dc06becd86fde09e4c874799a52edafeeda3" from cache


/: (comment ubuntu-24.10-5.3_opam-2.4)


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


/: (env CLICOLOR_FORCE 1)


/: (env OPAMCOLOR always)


/: (workdir /src)


/src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
2025-08-04 17:01.33 ---> using "10e069c55691c8c8bc8ff3c9d06849a8500b515494ff3c8c3eb82bc77d01f444" 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.


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


Continue? [Y/n] y
[NOTE] The 'jobs' option was reset, its value was 255 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:
opam option jobs=255 --global
Format upgrade done.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-08-04 17:01.33 ---> using "42acfd97ba2129a9e34a426a15cbdd19d97d6318186c060b8226b005a9b7c296" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-134-generic
The OCaml toplevel, version 5.3.0
2.4.1
2025-08-04 17:01.33 ---> using "5c539334f7daa882dd9a8279c3112442b04dbafc75ca75009b1c044b726ce5c4" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-08-04 17:01.34 ---> using "d6d84bbff321ba13d7949c31688b1af7860219b3bb3cfdb33786f4e8dd5d0763" 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)
2025-08-04 17:01.34 ---> using "7ccf84e14a37bdb946b51d859c126696e4a6684d381c5f3f5b4d1d108a84c0e0" from cache


/src: (copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
2025-08-04 17:01.34 ---> using "dea893cc6f1441a687a26cef7c9982863057c339c93e7192f9062220b735443f" 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)
2025-08-04 17:01.34 ---> using "6f142abd7263a946b2d8a3b149624a435d84a3d0273e4db669bf60dbbb2388b0" from cache


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-08-04 17:01.34 ---> using "fcc623b4be9e76d32bed551bc95c5dbf76b3bc99afdb758366f1367752ea4025" 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 fieldslib.v0.17.0 fmt.0.11.0 integers.0.7.0 jane-street-headers.v0.17.0 jst-config.v0.17.0 logs.0.9.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 num.1.6 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 parsexp.v0.17.0 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 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"
- Hit:1 http://archive.ubuntu.com/ubuntu oracular InRelease
- Hit:2 http://security.ubuntu.com/ubuntu oracular-security InRelease
- Hit:3 http://archive.ubuntu.com/ubuntu oracular-updates InRelease
- Hit:4 http://archive.ubuntu.com/ubuntu oracular-backports InRelease
- Reading package lists...
- 


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


[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[NOTE] Package ocaml-config is already installed (current version is 3).
[NOTE] Package ocaml-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml is already installed (current version is 5.3.0).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-nnp is already installed (current version is base).
[NOTE] Package base-effects is already installed (current version is base).
[NOTE] Package base-domains is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).


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


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


+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libcurl4-gnutls-dev" "libffi-dev" "pkg-config" "zlib1g-dev"
- debconf: delaying package configuration, since apt-utils is not installed
- Selecting previously unselected package libbrotli-dev:amd64.
- (Reading database ... 
(Reading database ... 5%
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(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 16145 files and directories currently installed.)
- Preparing to unpack .../00-libbrotli-dev_1.1.0-2build2_amd64.deb ...
- Unpacking libbrotli-dev:amd64 (1.1.0-2build2) ...
- Selecting previously unselected package libevent-2.1-7t64:amd64.
- Preparing to unpack .../01-libevent-2.1-7t64_2.1.12-stable-10_amd64.deb ...
- Unpacking libevent-2.1-7t64:amd64 (2.1.12-stable-10) ...
- Selecting previously unselected package libunbound8:amd64.
- Preparing to unpack .../02-libunbound8_1.20.0-1ubuntu2.3_amd64.deb ...
- Unpacking libunbound8:amd64 (1.20.0-1ubuntu2.3) ...
- Selecting previously unselected package libgnutls-dane0t64:amd64.
- Preparing to unpack .../03-libgnutls-dane0t64_3.8.6-2ubuntu1.1_amd64.deb ...
- Unpacking libgnutls-dane0t64:amd64 (3.8.6-2ubuntu1.1) ...
- Selecting previously unselected package libgnutls-openssl27t64:amd64.
- Preparing to unpack .../04-libgnutls-openssl27t64_3.8.6-2ubuntu1.1_amd64.deb ...
- Unpacking libgnutls-openssl27t64:amd64 (3.8.6-2ubuntu1.1) ...
- Selecting previously unselected package libidn2-dev:amd64.
- Preparing to unpack .../05-libidn2-dev_2.3.7-2build2_amd64.deb ...
- Unpacking libidn2-dev:amd64 (2.3.7-2build2) ...
- Selecting previously unselected package libp11-kit-dev:amd64.
- Preparing to unpack .../06-libp11-kit-dev_0.25.5-2ubuntu1_amd64.deb ...
- Unpacking libp11-kit-dev:amd64 (0.25.5-2ubuntu1) ...
- Selecting previously unselected package libtasn1-6-dev:amd64.
- Preparing to unpack .../07-libtasn1-6-dev_4.19.0-3ubuntu0.24.10.1_amd64.deb ...
- Unpacking libtasn1-6-dev:amd64 (4.19.0-3ubuntu0.24.10.1) ...
- Selecting previously unselected package libgmpxx4ldbl:amd64.
- Preparing to unpack .../08-libgmpxx4ldbl_2%3a6.3.0+dfsg-2ubuntu7_amd64.deb ...
- Unpacking libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-2ubuntu7) ...
- Selecting previously unselected package libgmp-dev:amd64.
- Preparing to unpack .../09-libgmp-dev_2%3a6.3.0+dfsg-2ubuntu7_amd64.deb ...
- Unpacking libgmp-dev:amd64 (2:6.3.0+dfsg-2ubuntu7) ...
- Selecting previously unselected package nettle-dev:amd64.
- Preparing to unpack .../10-nettle-dev_3.10-1_amd64.deb ...
- Unpacking nettle-dev:amd64 (3.10-1) ...
- Selecting previously unselected package libgnutls28-dev:amd64.
- Preparing to unpack .../11-libgnutls28-dev_3.8.6-2ubuntu1.1_amd64.deb ...
- Unpacking libgnutls28-dev:amd64 (3.8.6-2ubuntu1.1) ...
- Selecting previously unselected package libpkgconf3:amd64.
- Preparing to unpack .../12-libpkgconf3_1.8.1-3ubuntu1_amd64.deb ...
- Unpacking libpkgconf3:amd64 (1.8.1-3ubuntu1) ...
- Selecting previously unselected package pkgconf-bin.
- Preparing to unpack .../13-pkgconf-bin_1.8.1-3ubuntu1_amd64.deb ...
- Unpacking pkgconf-bin (1.8.1-3ubuntu1) ...
- Selecting previously unselected package pkgconf:amd64.
- Preparing to unpack .../14-pkgconf_1.8.1-3ubuntu1_amd64.deb ...
- Unpacking pkgconf:amd64 (1.8.1-3ubuntu1) ...
- Selecting previously unselected package libnghttp2-dev:amd64.
- Preparing to unpack .../15-libnghttp2-dev_1.62.1-2_amd64.deb ...
- Unpacking libnghttp2-dev:amd64 (1.62.1-2) ...
- Selecting previously unselected package libpsl-dev:amd64.
- Preparing to unpack .../16-libpsl-dev_0.21.2-1.1build1_amd64.deb ...
- Unpacking libpsl-dev:amd64 (0.21.2-1.1build1) ...
- Selecting previously unselected package zlib1g-dev:amd64.
- Preparing to unpack .../17-zlib1g-dev_1%3a1.3.dfsg+really1.3.1-1ubuntu1_amd64.deb ...
- Unpacking zlib1g-dev:amd64 (1:1.3.dfsg+really1.3.1-1ubuntu1) ...
- Selecting previously unselected package librtmp-dev:amd64.
- Preparing to unpack .../18-librtmp-dev_2.4+20151223.gitfa8646d.1-2build7_amd64.deb ...
- Unpacking librtmp-dev:amd64 (2.4+20151223.gitfa8646d.1-2build7) ...
- Selecting previously unselected package libssl-dev:amd64.
- Preparing to unpack .../19-libssl-dev_3.3.1-2ubuntu2.1_amd64.deb ...
- Unpacking libssl-dev:amd64 (3.3.1-2ubuntu2.1) ...
- Selecting previously unselected package libssh2-1-dev:amd64.
- Preparing to unpack .../20-libssh2-1-dev_1.11.0-7_amd64.deb ...
- Unpacking libssh2-1-dev:amd64 (1.11.0-7) ...
- Selecting previously unselected package libcurl4-gnutls-dev:amd64.
- Preparing to unpack .../21-libcurl4-gnutls-dev_8.9.1-2ubuntu2.2_amd64.deb ...
- Unpacking libcurl4-gnutls-dev:amd64 (8.9.1-2ubuntu2.2) ...
- Selecting previously unselected package pkg-config:amd64.
- Preparing to unpack .../22-pkg-config_1.8.1-3ubuntu1_amd64.deb ...
- Unpacking pkg-config:amd64 (1.8.1-3ubuntu1) ...
- Selecting previously unselected package libffi-dev:amd64.
- Preparing to unpack .../23-libffi-dev_3.4.6-1build1_amd64.deb ...
- Unpacking libffi-dev:amd64 (3.4.6-1build1) ...
- Selecting previously unselected package libtasn1-doc.
- Preparing to unpack .../24-libtasn1-doc_4.19.0-3ubuntu0.24.10.1_all.deb ...
- Unpacking libtasn1-doc (4.19.0-3ubuntu0.24.10.1) ...
- Setting up libgnutls-openssl27t64:amd64 (3.8.6-2ubuntu1.1) ...
- Setting up libtasn1-doc (4.19.0-3ubuntu0.24.10.1) ...
- Setting up libevent-2.1-7t64:amd64 (2.1.12-stable-10) ...
- Setting up libffi-dev:amd64 (3.4.6-1build1) ...
- Setting up libpsl-dev:amd64 (0.21.2-1.1build1) ...
- Setting up libunbound8:amd64 (1.20.0-1ubuntu2.3) ...
- Setting up libpkgconf3:amd64 (1.8.1-3ubuntu1) ...
- Setting up libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-2ubuntu7) ...
- Setting up libgnutls-dane0t64:amd64 (3.8.6-2ubuntu1.1) ...
- Setting up libssl-dev:amd64 (3.3.1-2ubuntu2.1) ...
- Setting up pkgconf-bin (1.8.1-3ubuntu1) ...
- Setting up libidn2-dev:amd64 (2.3.7-2build2) ...
- Setting up zlib1g-dev:amd64 (1:1.3.dfsg+really1.3.1-1ubuntu1) ...
- Setting up libtasn1-6-dev:amd64 (4.19.0-3ubuntu0.24.10.1) ...
- Setting up libbrotli-dev:amd64 (1.1.0-2build2) ...
- Setting up libp11-kit-dev:amd64 (0.25.5-2ubuntu1) ...
- Setting up libgmp-dev:amd64 (2:6.3.0+dfsg-2ubuntu7) ...
- Setting up nettle-dev:amd64 (3.10-1) ...
- Setting up pkgconf:amd64 (1.8.1-3ubuntu1) ...
- Setting up pkg-config:amd64 (1.8.1-3ubuntu1) ...
- Setting up libssh2-1-dev:amd64 (1.11.0-7) ...
- Setting up libgnutls28-dev:amd64 (3.8.6-2ubuntu1.1) ...
- Setting up libnghttp2-dev:amd64 (1.62.1-2) ...
- Setting up librtmp-dev:amd64 (2.4+20151223.gitfa8646d.1-2build7) ...
- Setting up libcurl4-gnutls-dev:amd64 (8.9.1-2ubuntu2.2) ...
- Processing triggers for libc-bin (2.40-1ubuntu3.1) ...
2025-08-04 17:01.34 ---> using "79dbb09552f27d4b86c183a58d1dc90b7881a8e15698ef0706e248199dcbe529" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[NOTE] Package ocaml-config is already installed (current version is 3).
[NOTE] Package ocaml-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml is already installed (current version is 5.3.0).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-nnp is already installed (current version is base).
[NOTE] Package base-effects is already installed (current version is base).
[NOTE] Package base-domains is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).
The following actions will be performed:
=== install 81 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 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 parsexp                 v0.17.0
- 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 thread-local-storage    0.2
- install time_now                v0.17.0
- install topkg                   1.1.0
- install tyxml                   4.6.0
- install uucp                    16.0.0
- install uutf                    1.0.4
- install variantslib             v0.17.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved angstrom.0.16.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved backoff.0.1.1  (cached)
-> retrieved bigarray-compat.1.1.0  (cached)
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved base.v0.17.3  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved camlzip.1.13  (cached)
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> installed conf-libcurl.2
-> installed conf-pkg-config.4
-> retrieved csexp.1.5.2  (cached)
-> retrieved csv.2.4  (cached)
-> retrieved ctypes.0.23.0, ctypes-foreign.0.23.0  (cached)
-> installed conf-libffi.2.0.0
-> installed conf-zlib.1
-> retrieved curl.0.10.0  (cached)
-> retrieved fieldslib.v0.17.0  (cached)
-> retrieved integers.0.7.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved jane-street-headers.v0.17.0  (cached)
-> retrieved jst-config.v0.17.0  (cached)
-> retrieved logs.0.9.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved multicore-magic.2.3.1  (cached)
-> retrieved mdx.2.5.0  (cached)
-> retrieved num.1.6  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocaml-syntax-shims.1.0.0  (cached)
-> retrieved ocaml-version.4.0.1  (cached)
-> retrieved ocaml_intrinsics_kernel.v0.17.1  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved parsexp.v0.17.0  (cached)
-> retrieved pprint.20230830  (cached)
-> retrieved ppx_assert.v0.17.0  (cached)
-> retrieved ppx_base.v0.17.0  (cached)
-> retrieved ppx_cold.v0.17.0  (cached)
-> retrieved ppx_compare.v0.17.0  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_deriving.6.1.1  (cached)
-> retrieved ppx_enumerate.v0.17.0  (cached)
-> retrieved ppx_fields_conv.v0.17.0  (cached)
-> retrieved ppx_expect.v0.17.3  (cached)
-> retrieved ppx_globalize.v0.17.2  (cached)
-> retrieved ppx_hash.v0.17.0  (cached)
-> retrieved ppx_here.v0.17.0  (cached)
-> retrieved dune.3.19.1, dune-configurator.3.19.1  (cached)
-> retrieved ppx_inline_test.v0.17.1  (cached)
-> retrieved ppx_minidebug.2.3.0  (cached)
-> retrieved ppx_optcomp.v0.17.1  (cached)
-> retrieved ppx_sexp_conv.v0.17.1  (cached)
-> retrieved ppx_string.v0.17.0  (cached)
-> retrieved ppx_variants_conv.v0.17.1  (cached)
-> retrieved ppxlib_jane.v0.17.4  (cached)
-> installed cmdliner.1.3.0
-> installed num.1.6
-> retrieved ppxlib.0.36.0  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved printbox.0.12, printbox-ext-plot.0.12, printbox-html.0.12, printbox-md.0.12, printbox-text.0.12  (cached)
-> retrieved re.1.13.2  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved result.1.5  (cached)
-> retrieved sexplib.v0.17.0  (cached)
-> retrieved saturn_lockfree.0.5.0  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved stdio.v0.17.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved thread-local-storage.0.2  (cached)
-> retrieved time_now.v0.17.0  (cached)
-> retrieved topkg.1.1.0  (cached)
-> retrieved tyxml.4.6.0  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved variantslib.v0.17.0  (cached)
-> retrieved uucp.16.0.0  (cached)
-> installed ocamlbuild.0.16.1
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed camlzip.1.13
-> installed topkg.1.1.0
-> installed uutf.1.0.4
-> installed mtime.2.1.0
-> installed fmt.0.11.0
-> installed ptime.1.2.0
-> installed astring.0.8.5
-> installed logs.0.9.0
-> installed dune.3.19.1
-> installed jane-street-headers.v0.17.0
-> installed ppx_derivers.1.2.1
-> installed csexp.1.5.2
-> installed backoff.0.1.1
-> installed bigarray-compat.1.1.0
-> installed camlp-streams.5.0.1
-> installed csv.2.4
-> installed multicore-magic.2.3.1
-> installed ocaml-syntax-shims.1.0.0
-> installed cppo.1.8.0
-> installed ocaml-compiler-libs.v0.17.0
-> installed ocaml-version.4.0.1
-> installed ocaml_intrinsics_kernel.v0.17.1
-> installed pprint.20230830
-> 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 parsexp.v0.17.0
-> installed dune-configurator.3.19.1
-> installed bigstringaf.0.10.0
-> installed mdx.2.5.0
-> installed sexplib.v0.17.0
-> installed angstrom.0.16.1
-> installed tyxml.4.6.0
-> installed printbox-html.0.12
-> installed curl.0.10.0
-> installed ctypes.0.23.0
-> installed base.v0.17.3
-> installed fieldslib.v0.17.0
-> installed variantslib.v0.17.0
-> installed stdio.v0.17.0
-> installed ctypes-foreign.0.23.0
-> installed uucp.16.0.0
-> installed printbox-text.0.12
-> installed printbox-md.0.12
-> installed printbox-ext-plot.0.12
-> 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_enumerate.v0.17.0
-> installed ppx_globalize.v0.17.2
-> installed ppx_deriving.6.1.1
-> installed ppx_compare.v0.17.0
-> installed ppx_sexp_conv.v0.17.1
-> installed ppx_hash.v0.17.0
-> installed ppx_assert.v0.17.0
-> installed ppx_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)
2025-08-04 17:01.34 ---> using "ba3546f2c1dc99e0a1c0780f12b5f22a58ac6632e532b0103379a8a3f439ce6a" from cache


/src: (copy (src .) (dst /src))
2025-08-04 17:01.34 ---> saved as "7a28b68031c81688edbe8c1396d026c15fce2dc8ba15c7c222ed6796b912a3f2"


/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/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/operations && ./test_threefry_precision.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Threefry4x32 result precision: single
Uniform result precision: single
Retrieving commandline, environment, or config file variable ocannl_backend
Found multicore_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_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_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: single
(cd _build/.sandbox/c1554353ba8e21ae171989602dec2c71/default/test/einsum && .einsum_tutorials.inline-tests/inline-test-runner.exe inline-test-runner einsum_tutorials -partition 'Retrieving commandline, environment, or config file variable ocannl_log_level' -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/.sandbox/c1554353ba8e21ae171989602dec2c71/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/065305db92f20fc3b707ba5529f53da7/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/065305db92f20fc3b707ba5529f53da7/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/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/065305db92f20fc3b707ba5529f53da7/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/operations/dune", lines 19-29, characters 0-281:
19 | (rule
20 |  (alias runtest)
21 |  (target
22 |   (dir log_files))
23 |  (action
24 |   (run
25 |    %{dep:micrograd_demo_logging.exe}
26 |    "--ocannl_debug_backend=text"
27 |    "--ocannl_log_file_stem=micrograd_demo_logging"
28 |    "--ocannl_log_main_domain_to_stdout=false"
29 |    "--ocannl_debug_log_to_stream_files=true")))
(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 multicore_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_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_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
Fatal error: exception File "src/printbox-text/PrintBox_text.ml", line 212, characters 6-12: Assertion failed
Raised at PrintBox_text.Output.Make_out.to_buf_aux_ in file "src/printbox-text/PrintBox_text.ml", line 212, characters 6-50
Called from Stdlib__Map.Make.fold in file "map.ml", line 329, characters 19-42
Called from Stdlib__Map.Make.fold in file "map.ml", line 329, characters 26-41
Called from Stdlib__Map.Make.fold in file "map.ml", line 329, characters 26-41
Called from Stdlib__Map.Make.fold in file "map.ml", line 329, characters 26-41
Called from PrintBox_text.Output.Make_out.render in file "src/printbox-text/PrintBox_text.ml", line 242, characters 14-64
Called from PrintBox_text.output in file "src/printbox-text/PrintBox_text.ml", line 851, characters 2-31
Called from Minidebug_runtime.PrintBox.output_box in file "minidebug_runtime.ml", line 1527, characters 19-59
Called from Minidebug_runtime.PrintBox.close_log_impl.close_tree in file "minidebug_runtime.ml", line 1572, characters 6-38
Called from Backends.Add_buffer_retrieval_and_syncing.sync_routine.post in file "arrayjit/lib/backends.ml", lines 225-232, characters 13-15
Called from Ir__Task.run in file "arrayjit/lib/task.ml", line 17, characters 2-14
Re-raised at Ir__Task.run in file "arrayjit/lib/task.ml", lines 15-17, characters 20-14
Called from Ocannl__Train.run in file "lib/train.ml" (inlined), line 43, characters 17-44
Called from Ocannl__Train.init_params in file "lib/train.ml", line 378, characters 2-10
Called from Ocannl__Train.run_once in file "lib/train.ml", line 548, characters 9-73
Re-raised at Ocannl__Train.run_once in file "lib/train.ml", line 548, characters 9-73
Re-raised at Ocannl__Train.run_once in file "lib/train.ml", lines 531-554, characters 25-17
Called from Dune__exe__Micrograd_demo_logging.(fun) in file "test/operations/micrograd_demo_logging.ml", line 30, characters 9-47
Called from Utils.capture_stdout_logs in file "arrayjit/lib/utils.ml", line 850, characters 10-16
Re-raised at Utils.capture_stdout_logs in file "arrayjit/lib/utils.ml", line 881, characters 8-87
Called from Dune__exe__Micrograd_demo_logging in file "test/operations/micrograd_demo_logging.ml", lines 29-34, characters 2-27
(cd _build/.sandbox/065305db92f20fc3b707ba5529f53da7/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/065305db92f20fc3b707ba5529f53da7/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition primitive_ops.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/einsum/einsum_trivia_exec.expected", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/einsum/einsum_trivia_exec.expected _build/default/test/einsum/einsum_trivia_exec.exe.output
diff --git a/_build/default/test/einsum/einsum_trivia_exec.expected b/_build/default/test/einsum/einsum_trivia_exec.exe.output
index 1c66789..3f9faa5 100644
--- a/_build/default/test/einsum/einsum_trivia_exec.expected
+++ b/_build/default/test/einsum/einsum_trivia_exec.exe.output
@@ -657,169 +657,169 @@ HERE: test/einsum/einsum_trivia_exec.ml:229:21
│└──────┴────────────────────────────────────┘│
└─────────────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:254:21
-┌────────────────────────────────┐
-│[9]: ;=>+ shape 0:4,1:5,2:6,3:3 │
-│┌──────┬──────────────────┐     │
-││0 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 0.00  0.00  0.00 │     │
-││axis 2│ 0.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  0.00  4.00 │     │
-││      │ 0.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 0.00  1.00  0.00 │     │
-││axis 2│ 0.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  1.00  4.00 │     │
-││      │ 0.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 0.00  2.00  0.00 │     │
-││axis 2│ 0.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  2.00  4.00 │     │
-││      │ 0.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 0.00  3.00  0.00 │     │
-││axis 2│ 0.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  3.00  4.00 │     │
-││      │ 0.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 0.00  4.00  0.00 │     │
-││axis 2│ 0.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 0.00  4.00  4.00 │     │
-││      │ 0.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-├────────────────────────────────┤
-│┌──────┬──────────────────┐     │
-││1 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 1.00  0.00  0.00 │     │
-││axis 2│ 1.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  0.00  4.00 │     │
-││      │ 1.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 1.00  1.00  0.00 │     │
-││axis 2│ 1.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  1.00  4.00 │     │
-││      │ 1.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 1.00  2.00  0.00 │     │
-││axis 2│ 1.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  2.00  4.00 │     │
-││      │ 1.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 1.00  3.00  0.00 │     │
-││axis 2│ 1.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  3.00  4.00 │     │
-││      │ 1.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 1.00  4.00  0.00 │     │
-││axis 2│ 1.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 1.00  4.00  4.00 │     │
-││      │ 1.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-├────────────────────────────────┤
-│┌──────┬──────────────────┐     │
-││2 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 2.00  0.00  0.00 │     │
-││axis 2│ 2.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  0.00  4.00 │     │
-││      │ 2.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 2.00  1.00  0.00 │     │
-││axis 2│ 2.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  1.00  4.00 │     │
-││      │ 2.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 2.00  2.00  0.00 │     │
-││axis 2│ 2.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  2.00  4.00 │     │
-││      │ 2.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 2.00  3.00  0.00 │     │
-││axis 2│ 2.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  3.00  4.00 │     │
-││      │ 2.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 2.00  4.00  0.00 │     │
-││axis 2│ 2.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 2.00  4.00  4.00 │     │
-││      │ 2.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-├────────────────────────────────┤
-│┌──────┬──────────────────┐     │
-││3 @ 0 │axis 3            │     │
-│├──────┼──────────────────┤     │
-││0 @ 1 │ 3.00  0.00  0.00 │     │
-││axis 2│ 3.00  0.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  0.00  4.00 │     │
-││      │ 3.00  0.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││1 @ 1 │ 3.00  1.00  0.00 │     │
-││axis 2│ 3.00  1.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  1.00  4.00 │     │
-││      │ 3.00  1.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││2 @ 1 │ 3.00  2.00  0.00 │     │
-││axis 2│ 3.00  2.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  2.00  4.00 │     │
-││      │ 3.00  2.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││3 @ 1 │ 3.00  3.00  0.00 │     │
-││axis 2│ 3.00  3.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  3.00  4.00 │     │
-││      │ 3.00  3.00  5.00 │     │
-│├──────┼──────────────────┤     │
-││4 @ 1 │ 3.00  4.00  0.00 │     │
-││axis 2│ 3.00  4.00  1.00 │     │
-││      │ ...   ...   ...  │     │
-││      │ 3.00  4.00  4.00 │     │
-││      │ 3.00  4.00  5.00 │     │
-│└──────┴──────────────────┘     │
-└────────────────────────────────┘
+┌─────────────────────────────────────┐
+│[9]: ;=>+ shape 0:4,1:5,2:6,3:3      │
+│┌──────┬──────────────────────────┐  │
+││0 @ 0 │axis 3                    │  │
+│├──────┼──────────────────────────┤  │
+││0 @ 1 │ -1.50e+7  3.07e-41  0.00 │  │
+││axis 2│ -7.52e+6  1.18e-20  1.00 │  │
+││      │ ...       ...       ...  │  │
+││      │ -7.52e+6  3.07e-41  4.00 │  │
+││      │ -7.52e+6  1.19e-43  5.00 │  │
+│├──────┼──────────────────────────┤  │
+││1 @ 1 │ -7.52e+6   1.00  3.16e+3 │  │
+││axis 2│ 0.00       1.00  3.16e+3 │  │
+││      │ ...        ...   ...     │  │
+││      │ -4.00e-28  1.00  3.16e+3 │  │
+││      │ 3.07e-41   1.00  3.16e+3 │  │
+│├──────┼──────────────────────────┤  │
+││2 @ 1 │ -7.52e+6  2.00  3.96e+3  │  │
+││axis 2│ 3.33e+3   2.00  3.96e+3  │  │
+││      │ ...       ...   ...      │  │
+││      │ 3.33e+3   2.00  3.96e+3  │  │
+││      │ 3.33e+3   2.00  3.96e+3  │  │
+│├──────┼──────────────────────────┤  │
+││3 @ 1 │ -7.52e+6  3.00  4.76e+3  │  │
+││axis 2│ 4.00e+3   3.00  4.76e+3  │  │
+││      │ ...       ...   ...      │  │
+││      │ 4.00e+3   3.00  4.76e+3  │  │
+││      │ 4.00e+3   3.00  4.76e+3  │  │
+│├──────┼──────────────────────────┤  │
+││4 @ 1 │ -7.51e+6  4.00  5.56e+3  │  │
+││axis 2│ 4.68e+3   4.00  5.56e+3  │  │
+││      │ ...       ...   ...      │  │
+││      │ 4.68e+3   4.00  5.56e+3  │  │
+││      │ 4.68e+3   4.00  5.56e+3  │  │
+│└──────┴──────────────────────────┘  │
+├─────────────────────────────────────┤
+│┌──────┬────────────────────────────┐│
+││1 @ 0 │axis 3                      ││
+│├──────┼────────────────────────────┤│
+││0 @ 1 │ -1.50e+7  4.80e+1  6.50e+1 ││
+││axis 2│ -7.52e+6  4.80e+1  6.60e+1 ││
+││      │ ...       ...      ...     ││
+││      │ -7.52e+6  4.80e+1  6.90e+1 ││
+││      │ -7.52e+6  4.80e+1  7.00e+1 ││
+│├──────┼────────────────────────────┤│
+││1 @ 1 │ -7.52e+6  4.90e+1  3.22e+3 ││
+││axis 2│ 1.00      4.90e+1  3.22e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 1.00      4.90e+1  3.22e+3 ││
+││      │ 1.00      4.90e+1  3.23e+3 ││
+│├──────┼────────────────────────────┤│
+││2 @ 1 │ -7.52e+6  5.00e+1  4.02e+3 ││
+││axis 2│ 3.33e+3   5.00e+1  4.02e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 3.33e+3   5.00e+1  4.02e+3 ││
+││      │ 3.33e+3   5.00e+1  4.03e+3 ││
+│├──────┼────────────────────────────┤│
+││3 @ 1 │ -7.52e+6  5.10e+1  4.82e+3 ││
+││axis 2│ 4.00e+3   5.10e+1  4.82e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 4.00e+3   5.10e+1  4.82e+3 ││
+││      │ 4.00e+3   5.10e+1  4.83e+3 ││
+│├──────┼────────────────────────────┤│
+││4 @ 1 │ -7.51e+6  5.20e+1  5.62e+3 ││
+││axis 2│ 4.68e+3   5.20e+1  5.62e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 4.68e+3   5.20e+1  5.62e+3 ││
+││      │ 4.68e+3   5.20e+1  5.63e+3 ││
+│└──────┴────────────────────────────┘│
+├─────────────────────────────────────┤
+│┌──────┬────────────────────────────┐│
+││2 @ 0 │axis 3                      ││
+│├──────┼────────────────────────────┤│
+││0 @ 1 │ -1.50e+7  1.05e+2  1.60e+2 ││
+││axis 2│ -7.52e+6  1.05e+2  1.61e+2 ││
+││      │ ...       ...      ...     ││
+││      │ -7.52e+6  1.05e+2  1.64e+2 ││
+││      │ -7.52e+6  1.05e+2  1.65e+2 ││
+│├──────┼────────────────────────────┤│
+││1 @ 1 │ -7.52e+6  1.06e+2  3.32e+3 ││
+││axis 2│ 2.00      1.06e+2  3.32e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 2.00      1.06e+2  3.32e+3 ││
+││      │ 2.00      1.06e+2  3.32e+3 ││
+│├──────┼────────────────────────────┤│
+││2 @ 1 │ -7.52e+6  1.07e+2  4.12e+3 ││
+││axis 2│ 3.33e+3   1.07e+2  4.12e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 3.33e+3   1.07e+2  4.12e+3 ││
+││      │ 3.33e+3   1.07e+2  4.12e+3 ││
+│├──────┼────────────────────────────┤│
+││3 @ 1 │ -7.52e+6  1.08e+2  4.92e+3 ││
+││axis 2│ 4.01e+3   1.08e+2  4.92e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 4.01e+3   1.08e+2  4.92e+3 ││
+││      │ 4.01e+3   1.08e+2  4.92e+3 ││
+│├──────┼────────────────────────────┤│
+││4 @ 1 │ -7.51e+6  1.09e+2  5.72e+3 ││
+││axis 2│ 4.68e+3   1.09e+2  5.72e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 4.68e+3   1.09e+2  5.72e+3 ││
+││      │ 4.68e+3   1.09e+2  5.72e+3 ││
+│└──────┴────────────────────────────┘│
+├─────────────────────────────────────┤
+│┌──────┬────────────────────────────┐│
+││3 @ 0 │axis 3                      ││
+│├──────┼────────────────────────────┤│
+││0 @ 1 │ -1.50e+7  2.20e+2  2.53e+2 ││
+││axis 2│ -7.52e+6  2.20e+2  2.54e+2 ││
+││      │ ...       ...      ...     ││
+││      │ -7.52e+6  2.20e+2  2.57e+2 ││
+││      │ -7.52e+6  2.20e+2  2.58e+2 ││
+│├──────┼────────────────────────────┤│
+││1 @ 1 │ -7.52e+6  2.21e+2  3.41e+3 ││
+││axis 2│ 3.00      2.21e+2  3.41e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 3.00      2.21e+2  3.41e+3 ││
+││      │ 3.00      2.21e+2  3.41e+3 ││
+│├──────┼────────────────────────────┤│
+││2 @ 1 │ -7.52e+6  2.22e+2  4.21e+3 ││
+││axis 2│ 3.33e+3   2.22e+2  4.21e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 3.33e+3   2.22e+2  4.21e+3 ││
+││      │ 3.33e+3   2.22e+2  4.21e+3 ││
+│├──────┼────────────────────────────┤│
+││3 @ 1 │ -7.52e+6  2.23e+2  5.01e+3 ││
+││axis 2│ 4.01e+3   2.23e+2  5.01e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 4.01e+3   2.23e+2  5.01e+3 ││
+││      │ 4.01e+3   2.23e+2  5.01e+3 ││
+│├──────┼────────────────────────────┤│
+││4 @ 1 │ -7.51e+6  2.24e+2  5.81e+3 ││
+││axis 2│ 4.68e+3   2.24e+2  5.81e+3 ││
+││      │ ...       ...      ...     ││
+││      │ 4.68e+3   2.24e+2  5.81e+3 ││
+││      │ 4.68e+3   2.24e+2  5.81e+3 ││
+│└──────┴────────────────────────────┘│
+└─────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:255:21
-┌───────────────────────────┐
-│[1]: =>_ti shape 0:4,1:3   │
-│┌──────┬──────────────────┐│
-││      │axis 1            ││
-│├──────┼──────────────────┤│
-││axis 0│ 0.00  0.00  0.00 ││
-││      │ 1.00  0.00  0.00 ││
-││      │ 2.00  0.00  0.00 ││
-││      │ 3.00  0.00  0.00 ││
-│└──────┴──────────────────┘│
-└───────────────────────────┘
+┌──────────────────────────────────┐
+│[1]: =>_ti shape 0:4,1:3          │
+│┌──────┬─────────────────────────┐│
+││      │axis 1                   ││
+│├──────┼─────────────────────────┤│
+││axis 0│ 0.00  7.00e-45  0.00    ││
+││      │ 1.00  4.80e+1   6.50e+1 ││
+││      │ 2.00  1.05e+2   1.60e+2 ││
+││      │ 3.00  2.20e+2   2.53e+2 ││
+│└──────┴─────────────────────────┘│
+└──────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:256:21
-┌───────────────────────────┐
-│[7]: =>_tk shape 0:6,1:3   │
-│┌──────┬──────────────────┐│
-││      │axis 1            ││
-│├──────┼──────────────────┤│
-││axis 0│ 0.00  0.00  0.00 ││
-││      │ 0.00  0.00  1.00 ││
-││      │ ...   ...   ...  ││
-││      │ 0.00  0.00  4.00 ││
-││      │ 0.00  0.00  5.00 ││
-│└──────┴──────────────────┘│
-└───────────────────────────┘
+┌────────────────────────────────────┐
+│[7]: =>_tk shape 0:6,1:3            │
+│┌──────┬───────────────────────────┐│
+││      │axis 1                     ││
+│├──────┼───────────────────────────┤│
+││axis 0│ -7.52e+6   3.07e-41  0.00 ││
+││      │ 0.00       1.18e-20  1.00 ││
+││      │ ...        ...       ...  ││
+││      │ -4.00e-28  3.07e-41  4.00 ││
+││      │ 3.07e-41   1.12e-43  5.00 ││
+│└──────┴───────────────────────────┘│
+└────────────────────────────────────┘
HERE: test/einsum/einsum_trivia_exec.ml:278:21
┌─────────────────────────────────────────────────────────────────┐
│[2]: ;=>_c shape 0:3|1:4,2:2                                     │
(cd _build/.sandbox/c1554353ba8e21ae171989602dec2c71/default/test/einsum && .einsum_tutorials.inline-tests/inline-test-runner.exe inline-test-runner einsum_tutorials -partition einsum_trivia.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/einsum/einsum_trivia.ml", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/einsum/einsum_trivia.ml _build/.sandbox/c1554353ba8e21ae171989602dec2c71/default/test/einsum/einsum_trivia.ml.corrected
diff --git a/_build/default/test/einsum/einsum_trivia.ml b/_build/.sandbox/c1554353ba8e21ae171989602dec2c71/default/test/einsum/einsum_trivia.ml.corrected
index 3049108..27b8a15 100644
--- a/_build/default/test/einsum/einsum_trivia.ml
+++ b/_build/.sandbox/c1554353ba8e21ae171989602dec2c71/default/test/einsum/einsum_trivia.ml.corrected
@@ -976,177 +976,177 @@ let%expect_test "outer_sum simulating axis concatenation" =
[%expect
{|
HERE: test/einsum/einsum_trivia.ml:975:21
-    ┌────────────────────────────────┐
-    │[9]: ;=>+ shape 0:4,1:5,2:6,3:3 │
-    │┌──────┬──────────────────┐     │
-    ││0 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 0.00  0.00  0.00 │     │
-    ││axis 2│ 0.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  0.00  4.00 │     │
-    ││      │ 0.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 0.00  1.00  0.00 │     │
-    ││axis 2│ 0.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  1.00  4.00 │     │
-    ││      │ 0.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 0.00  2.00  0.00 │     │
-    ││axis 2│ 0.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  2.00  4.00 │     │
-    ││      │ 0.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 0.00  3.00  0.00 │     │
-    ││axis 2│ 0.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  3.00  4.00 │     │
-    ││      │ 0.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 0.00  4.00  0.00 │     │
-    ││axis 2│ 0.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 0.00  4.00  4.00 │     │
-    ││      │ 0.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    ├────────────────────────────────┤
-    │┌──────┬──────────────────┐     │
-    ││1 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 1.00  0.00  0.00 │     │
-    ││axis 2│ 1.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  0.00  4.00 │     │
-    ││      │ 1.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 1.00  1.00  0.00 │     │
-    ││axis 2│ 1.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  1.00  4.00 │     │
-    ││      │ 1.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 1.00  2.00  0.00 │     │
-    ││axis 2│ 1.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  2.00  4.00 │     │
-    ││      │ 1.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 1.00  3.00  0.00 │     │
-    ││axis 2│ 1.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  3.00  4.00 │     │
-    ││      │ 1.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 1.00  4.00  0.00 │     │
-    ││axis 2│ 1.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 1.00  4.00  4.00 │     │
-    ││      │ 1.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    ├────────────────────────────────┤
-    │┌──────┬──────────────────┐     │
-    ││2 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 2.00  0.00  0.00 │     │
-    ││axis 2│ 2.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  0.00  4.00 │     │
-    ││      │ 2.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 2.00  1.00  0.00 │     │
-    ││axis 2│ 2.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  1.00  4.00 │     │
-    ││      │ 2.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 2.00  2.00  0.00 │     │
-    ││axis 2│ 2.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  2.00  4.00 │     │
-    ││      │ 2.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 2.00  3.00  0.00 │     │
-    ││axis 2│ 2.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  3.00  4.00 │     │
-    ││      │ 2.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 2.00  4.00  0.00 │     │
-    ││axis 2│ 2.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 2.00  4.00  4.00 │     │
-    ││      │ 2.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    ├────────────────────────────────┤
-    │┌──────┬──────────────────┐     │
-    ││3 @ 0 │axis 3            │     │
-    │├──────┼──────────────────┤     │
-    ││0 @ 1 │ 3.00  0.00  0.00 │     │
-    ││axis 2│ 3.00  0.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  0.00  4.00 │     │
-    ││      │ 3.00  0.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││1 @ 1 │ 3.00  1.00  0.00 │     │
-    ││axis 2│ 3.00  1.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  1.00  4.00 │     │
-    ││      │ 3.00  1.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││2 @ 1 │ 3.00  2.00  0.00 │     │
-    ││axis 2│ 3.00  2.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  2.00  4.00 │     │
-    ││      │ 3.00  2.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││3 @ 1 │ 3.00  3.00  0.00 │     │
-    ││axis 2│ 3.00  3.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  3.00  4.00 │     │
-    ││      │ 3.00  3.00  5.00 │     │
-    │├──────┼──────────────────┤     │
-    ││4 @ 1 │ 3.00  4.00  0.00 │     │
-    ││axis 2│ 3.00  4.00  1.00 │     │
-    ││      │ ...   ...   ...  │     │
-    ││      │ 3.00  4.00  4.00 │     │
-    ││      │ 3.00  4.00  5.00 │     │
-    │└──────┴──────────────────┘     │
-    └────────────────────────────────┘
+    ┌───────────────────────────────────────┐
+    │[9]: ;=>+ shape 0:4,1:5,2:6,3:3        │
+    │┌──────┬────────────────────────────┐  │
+    ││0 @ 0 │axis 3                      │  │
+    │├──────┼────────────────────────────┤  │
+    ││0 @ 1 │ 2.23e+2  6.19e-41  0.00    │  │
+    ││axis 2│ 1.11e+2  2.91e+3   1.00    │  │
+    ││      │ ...      ...       ...     │  │
+    ││      │ 4.79e+3  5.12e+3   4.00    │  │
+    ││      │ 1.11e+2  3.09e-41  5.00    │  │
+    │├──────┼────────────────────────────┤  │
+    ││1 @ 1 │ 1.11e+2  1.00     4.57e-41 │  │
+    ││axis 2│ 0.00     2.91e+3  1.00     │  │
+    ││      │ ...      ...      ...      │  │
+    ││      │ 4.68e+3  5.12e+3  4.00     │  │
+    ││      │ 0.00     1.00     5.00     │  │
+    │├──────┼────────────────────────────┤  │
+    ││2 @ 1 │ 1.11e+2   2.00     0.00    │  │
+    ││axis 2│ -7.98e-4  2.91e+3  1.00    │  │
+    ││      │ ...       ...      ...     │  │
+    ││      │ 4.68e+3   5.12e+3  4.00    │  │
+    ││      │ -7.98e-4  2.00     5.00    │  │
+    │├──────┼────────────────────────────┤  │
+    ││3 @ 1 │ 1.11e+2  3.00     4.76e+3  │  │
+    ││axis 2│ 0.00     2.91e+3  4.76e+3  │  │
+    ││      │ ...      ...      ...      │  │
+    ││      │ 4.68e+3  5.12e+3  4.76e+3  │  │
+    ││      │ 0.00     3.00     4.76e+3  │  │
+    │├──────┼────────────────────────────┤  │
+    ││4 @ 1 │ 4.79e+3  4.00     5.56e+3  │  │
+    ││axis 2│ 4.68e+3  2.91e+3  5.56e+3  │  │
+    ││      │ ...      ...      ...      │  │
+    ││      │ 9.36e+3  5.12e+3  5.56e+3  │  │
+    ││      │ 4.68e+3  4.00     5.56e+3  │  │
+    │└──────┴────────────────────────────┘  │
+    ├───────────────────────────────────────┤
+    │┌──────┬─────────────────────────────┐ │
+    ││1 @ 0 │axis 3                       │ │
+    │├──────┼─────────────────────────────┤ │
+    ││0 @ 1 │ 2.24e+2  4.76e-16  3.09e-41 │ │
+    ││axis 2│ 1.12e+2  2.91e+3   1.00     │ │
+    ││      │ ...      ...       ...      │ │
+    ││      │ 4.79e+3  5.12e+3   4.00     │ │
+    ││      │ 1.12e+2  4.76e-16  5.00     │ │
+    │├──────┼─────────────────────────────┤ │
+    ││1 @ 1 │ 1.12e+2  1.00     7.67e-41  │ │
+    ││axis 2│ 1.00     2.91e+3  1.00      │ │
+    ││      │ ...      ...      ...       │ │
+    ││      │ 4.68e+3  5.12e+3  4.00      │ │
+    ││      │ 1.00     1.00     5.00      │ │
+    │├──────┼─────────────────────────────┤ │
+    ││2 @ 1 │ 1.12e+2  2.00     3.09e-41  │ │
+    ││axis 2│ 9.99e-1  2.91e+3  1.00      │ │
+    ││      │ ...      ...      ...       │ │
+    ││      │ 4.68e+3  5.12e+3  4.00      │ │
+    ││      │ 9.99e-1  2.00     5.00      │ │
+    │├──────┼─────────────────────────────┤ │
+    ││3 @ 1 │ 1.12e+2  3.00     4.76e+3   │ │
+    ││axis 2│ 1.00     2.91e+3  4.76e+3   │ │
+    ││      │ ...      ...      ...       │ │
+    ││      │ 4.68e+3  5.12e+3  4.76e+3   │ │
+    ││      │ 1.00     3.00     4.76e+3   │ │
+    │├──────┼─────────────────────────────┤ │
+    ││4 @ 1 │ 4.79e+3  4.00     5.56e+3   │ │
+    ││axis 2│ 4.68e+3  2.91e+3  5.56e+3   │ │
+    ││      │ ...      ...      ...       │ │
+    ││      │ 9.36e+3  5.12e+3  5.56e+3   │ │
+    ││      │ 4.68e+3  4.00     5.56e+3   │ │
+    │└──────┴─────────────────────────────┘ │
+    ├───────────────────────────────────────┤
+    │┌──────┬──────────────────────────────┐│
+    ││2 @ 0 │axis 3                        ││
+    │├──────┼──────────────────────────────┤│
+    ││0 @ 1 │ 2.25e+2  7.67e-41  -2.40e+23 ││
+    ││axis 2│ 1.13e+2  2.91e+3   -2.40e+23 ││
+    ││      │ ...      ...       ...       ││
+    ││      │ 4.79e+3  5.12e+3   -2.40e+23 ││
+    ││      │ 1.13e+2  4.57e-41  -2.40e+23 ││
+    │├──────┼──────────────────────────────┤│
+    ││1 @ 1 │ 1.13e+2  1.00     -2.40e+23  ││
+    ││axis 2│ 2.00     2.91e+3  -2.40e+23  ││
+    ││      │ ...      ...      ...        ││
+    ││      │ 4.68e+3  5.12e+3  -2.40e+23  ││
+    ││      │ 2.00     1.00     -2.40e+23  ││
+    │├──────┼──────────────────────────────┤│
+    ││2 @ 1 │ 1.13e+2  2.00     -2.40e+23  ││
+    ││axis 2│ 1.99     2.91e+3  -2.40e+23  ││
+    ││      │ ...      ...      ...        ││
+    ││      │ 4.68e+3  5.12e+3  -2.40e+23  ││
+    ││      │ 1.99     2.00     -2.40e+23  ││
+    │├──────┼──────────────────────────────┤│
+    ││3 @ 1 │ 1.13e+2  3.00     -2.40e+23  ││
+    ││axis 2│ 2.00     2.91e+3  -2.40e+23  ││
+    ││      │ ...      ...      ...        ││
+    ││      │ 4.68e+3  5.12e+3  -2.40e+23  ││
+    ││      │ 2.00     3.00     -2.40e+23  ││
+    │├──────┼──────────────────────────────┤│
+    ││4 @ 1 │ 4.79e+3  4.00     -2.40e+23  ││
+    ││axis 2│ 4.68e+3  2.91e+3  -2.40e+23  ││
+    ││      │ ...      ...      ...        ││
+    ││      │ 9.36e+3  5.12e+3  -2.40e+23  ││
+    ││      │ 4.68e+3  4.00     -2.40e+23  ││
+    │└──────┴──────────────────────────────┘│
+    ├───────────────────────────────────────┤
+    │┌──────┬─────────────────────────────┐ │
+    ││3 @ 0 │axis 3                       │ │
+    │├──────┼─────────────────────────────┤ │
+    ││0 @ 1 │ 2.26e+2  -2.70e+7  1.93e-29 │ │
+    ││axis 2│ 1.14e+2  -2.70e+7  1.00     │ │
+    ││      │ ...      ...       ...      │ │
+    ││      │ 4.79e+3  -2.70e+7  4.00     │ │
+    ││      │ 1.14e+2  -2.70e+7  5.00     │ │
+    │├──────┼─────────────────────────────┤ │
+    ││1 @ 1 │ 1.14e+2  -2.70e+7  1.93e-29 │ │
+    ││axis 2│ 3.00     -2.70e+7  1.00     │ │
+    ││      │ ...      ...       ...      │ │
+    ││      │ 4.68e+3  -2.70e+7  4.00     │ │
+    ││      │ 3.00     -2.70e+7  5.00     │ │
+    │├──────┼─────────────────────────────┤ │
+    ││2 @ 1 │ 1.14e+2  -2.70e+7  1.93e-29 │ │
+    ││axis 2│ 2.99     -2.70e+7  1.00     │ │
+    ││      │ ...      ...       ...      │ │
+    ││      │ 4.68e+3  -2.70e+7  4.00     │ │
+    ││      │ 2.99     -2.70e+7  5.00     │ │
+    │├──────┼─────────────────────────────┤ │
+    ││3 @ 1 │ 1.14e+2  -2.70e+7  4.76e+3  │ │
+    ││axis 2│ 3.00     -2.70e+7  4.76e+3  │ │
+    ││      │ ...      ...       ...      │ │
+    ││      │ 4.68e+3  -2.70e+7  4.76e+3  │ │
+    ││      │ 3.00     -2.70e+7  4.76e+3  │ │
+    │├──────┼─────────────────────────────┤ │
+    ││4 @ 1 │ 4.79e+3  -2.70e+7  5.56e+3  │ │
+    ││axis 2│ 4.68e+3  -2.70e+7  5.56e+3  │ │
+    ││      │ ...      ...       ...      │ │
+    ││      │ 9.36e+3  -2.70e+7  5.56e+3  │ │
+    ││      │ 4.68e+3  -2.70e+7  5.56e+3  │ │
+    │└──────┴─────────────────────────────┘ │
+    └───────────────────────────────────────┘
|}];
Train.printf ~here:[%here] ~with_code:false ~with_grad:false ti;
[%expect
{|
HERE: test/einsum/einsum_trivia.ml:1118:21
-    ┌───────────────────────────┐
-    │[1]: =>_ti shape 0:4,1:3   │
-    │┌──────┬──────────────────┐│
-    ││      │axis 1            ││

-    │├──────┼──────────────────┤│
-    ││axis 0│ 0.00  0.00  0.00 ││
-    ││      │ 1.00  0.00  0.00 ││
-    ││      │ 2.00  0.00  0.00 ││
-    ││      │ 3.00  0.00  0.00 ││
-    │└──────┴──────────────────┘│
-    └───────────────────────────┘
+    ┌────────────────────────────────────┐
+    │[1]: =>_ti shape 0:4,1:3            │
+    │┌──────┬───────────────────────────┐│
+    ││      │axis 1                     ││
+    │├──────┼───────────────────────────┤│
+    ││axis 0│ 0.00  3.09e-41  0.00      ││
+    ││      │ 1.00  4.76e-16  3.09e-41  ││
+    ││      │ 2.00  4.57e-41  -2.40e+23 ││
+    ││      │ 3.00  -2.70e+7  1.93e-29  ││
+    │└──────┴───────────────────────────┘│
+    └────────────────────────────────────┘
|}];
Train.printf ~here:[%here] ~with_code:false ~with_grad:false tk;
[%expect
{|
HERE: test/einsum/einsum_trivia.ml:1134:21
-    ┌───────────────────────────┐
-    │[7]: =>_tk shape 0:6,1:3   │
-    │┌──────┬──────────────────┐│
-    ││      │axis 1            ││
-    │├──────┼──────────────────┤│
-    ││axis 0│ 0.00  0.00  0.00 ││
-    ││      │ 0.00  0.00  1.00 ││
-    ││      │ ...   ...   ...  ││
-    ││      │ 0.00  0.00  4.00 ││
-    ││      │ 0.00  0.00  5.00 ││
-    │└──────┴──────────────────┘│
-    └───────────────────────────┘
+    ┌──────────────────────────────────┐
+    │[7]: =>_tk shape 0:6,1:3          │
+    │┌──────┬─────────────────────────┐│
+    ││      │axis 1                   ││
+    │├──────┼─────────────────────────┤│
+    ││axis 0│ 1.11e+2  3.09e-41  0.00 ││
+    ││      │ 0.00     2.91e+3   1.00 ││
+    ││      │ ...      ...       ...  ││
+    ││      │ 4.68e+3  5.12e+3   4.00 ││
+    ││      │ 0.00     0.00      5.00 ││
+    │└──────┴─────────────────────────┘│
+    └──────────────────────────────────┘
|}]


let%expect_test "einsum with a leftmost input axis preserved as output axis" =
(cd _build/.sandbox/065305db92f20fc3b707ba5529f53da7/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition hello_world_op.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/operations/zero2hero_1of7.ml", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/operations/zero2hero_1of7.ml _build/.sandbox/065305db92f20fc3b707ba5529f53da7/default/test/operations/zero2hero_1of7.ml.corrected
diff --git a/_build/default/test/operations/zero2hero_1of7.ml b/_build/.sandbox/065305db92f20fc3b707ba5529f53da7/default/test/operations/zero2hero_1of7.ml.corrected
index 5caa1d9..6109bfe 100644
--- a/_build/default/test/operations/zero2hero_1of7.ml
+++ b/_build/.sandbox/065305db92f20fc3b707ba5529f53da7/default/test/operations/zero2hero_1of7.ml.corrected
@@ -273,21 +273,21 @@ let%expect_test "Simple gradients hosted" =
[%expect
{|
#12 *._l
-                        0.00
+                        8.32e+30
#13 grad_*._l
-                        0.00
+                        8.32e+30
#8 +_d                   │#10 f non-emb
-                  0.00                    │ -2.00
+                  8.32e+30                │ -2.00
#9 grad_+_d              │#11 grad_f
-                  0.00                    │ 0.00
+                  8.32e+30                │ 8.32e+30
#4 *._e            │#6 c non-emb│
-           0.00              │ 1.00e+1    │
+           4.40e+20          │ 1.00e+1    │
#5 grad_*._e       │#7 grad_c   │
-           0.00              │ 0.00       │
+           8.32e+30          │ 8.32e+30   │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     -1.95e-30  │ -1.97e-30  │            │
|}];
(* Do not update the params: all values and gradients will be at initial points, which are
specified in the tensor in the brackets. *)
@@ -403,21 +403,21 @@ let%expect_test "Simple gradients virtual" =
[%expect
{|
#12 *._l
-                    0.00
+                    8.32e+30
#13 grad_*._l Virt/40
<void>
#8 +_d Local/1046            │#10 f non-emb
<void>                       │ -2.00
#9 grad_+_d Virt/40          │#11 grad_f
-             <void>                       │ 0.00
+             <void>                       │ 8.32e+30
#4 *._e Virt/152       │#6 c non-emb│
<void>                 │ 1.00e+1    │
#5 grad_*._e Virt/40   │#7 grad_c   │
-      <void>                 │ 0.00       │
+      <void>                 │ 8.32e+30   │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     -1.96e-30  │ -1.97e-30  │            │
|}];
(* Do not update the params: all values and gradients will be at initial points, which are
specified in the tensor in the brackets. *)
File "test/training/moons_demo.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 d7cb562..10211e5 100644
--- a/_build/default/test/training/moons_demo.expected
+++ b/_build/default/test/training/moons_demo.exe.output
@@ -2,38 +2,38 @@ Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
Half-moons scatterplot and decision boundary:
┌────────────────────────────────────────────────────────────────────────────────────────────────────┐
-│************************************#*********************************************..................│
-│*****************************##*#*#***###**#*************************************...................│
-│*********************##**#*#*###***#*##*#**#*##*********************************....................│
-│*******************####*##########***#####**####*******************************.....................│
-│**************#**###**#**#*#*#*###*#*#**#*#####*****##************************......................│
-│***************#####*#*##****##**####*####**#**#*#*#*************************.......................│
-│*************#*###*#*#*#*******************#*#*#########*********************.......................│
-│*********#**##*#*#*#**************************####*###*#********************........................│
-│********#****###*#*******************************#**#*#*##*#****************........................│
-│******#*#*#*#####************************************#####******************........................│
-│************###**************************************#*#********************........................│
-│********###**#**************........*******************###*##**************.........................│
-│******####*###***********.............********************###**#***********.........................│
-│*****###*##*#**********...........%%....****************#*##*#*************....................%....│
-│****#*#####***********.........%....%.....****************####**#**********....................%....│
-│****##*#*#**********...........%%%%........****************##*************...................%%.%%..│
-│***####*#**********..............%..%........***************####**********...................%..%.%.│
-│**##*#**#*********..............%.%%...........************###**##********...................%..%..%│
-│*##*#*##*********..............%.%%.%...........**********#**##**#********...................%.%..%.│
-│***####*********...............%%.%%.%............***********#####*#*****....................%....%.│
-│*##*##*#******..................%...%...............********##*#*#*******..................%.%%%.%..│
-│#**#**#******..................%%%.%%................*********#*###******...................%....%..│
-│####********.......................%.%.%...............******##*##*******..................%%%%%....│
-│#***##*****......................%%.%%..%................****#####*#****...................%%%%.%...│
-│##*#******........................%%%.%.%.................********##****.................%..%%%.....│
-│#*#******..........................%%.%.....................***#**##****..................%.%.%%%...│
-│#**#***.............................%%%%%..%..................***#******.................%%%........│
-│##****............................%...%.%%%...................##***#***................%%%.%..%.....│
-│*****...............................%.%%%%........................*****..............%..%.%%.%......│
-│****.................................%%.%%%%.............................................%%.%%......│
-│***....................................%..%..%.....................................%%%%.%%%%%.......│
-│*........................................%.%%.%%..%...............................%%%%%%.%.%........│
+│************************************#***************************************************************│
+│*****************************##*#*#***###**#********************************************************│
+│*********************##**#*#*###***#*##*#**#*##*****************************************************│
+│*******************####*##########***#####**####****************************************************│
+│**************#**###**#**#*#*#*###*#*#**#*#####*****##**********************************************│
+│***************#####*#*##****##**####*####**#**#*#*#************************************************│
+│*************#*###*#*#*#*******************#*#*#########********************************************│
+│*********#**##*#*#*#**************************####*###*#********************************************│
+│********#****###*#*******************************#**#*#*##*#****************************************│
+│******#*#*#*#####************************************#####******************************************│
+│************###**************************************#*#**************************************......│
+│********###**#**************************************...###.##.......................................│
+│******####*###******************..........................###..#....................................│
+│*****###*##*#*****************....%%....................#.##.#.................................%....│
+│****#*#####*****************...%....%.....................####..#..............................%....│
+│****##*#*#****************.....%%%%........................##................................%%.%%..│
+│***####*#***************.........%..%.......................####.............................%..%.%.│
+│**##*#**#**************.........%.%%.......................###..##...........................%..%..%│
+│*##*#*##*************..........%.%%.%.....................#..##..#...........................%.%..%.│
+│***####************............%%.%%.%.......................#####.#.........................%....%.│
+│*##*##*#*********...............%...%.......................##.#.#.........................%.%%%.%..│
+│#**#**#*********...............%%%.%%.........................#.###.........................%....%..│
+│####**********.....................%.%.%.....................##.##.........................%%%%%....│
+│#***##******.....................%%.%%..%....................#####.#.......................%%%%.%...│
+│##*#*******.......................%%%.%.%.........................##.....................%..%%%.....│
+│#*#******..........................%%.%........................#..##......................%.%.%%%...│
+│#**#****............................%%%%%..%.....................#.......................%%%........│
+│##****............................%...%.%%%...................##...#...................%%%.%..%.....│
+│****................................%.%%%%...........................................%..%.%%.%......│
+│***..................................%%.%%%%.............................................%%.%%......│
+│*......................................%..%..%.....................................%%%%.%%%%%.......│
+│.........................................%.%%.%%..%...............................%%%%%%.%.%........│
│........................................%%.%%.%%%................................%%.%.%...%.........│
│.............................................%%%.............................%.%.%..%%..%...........│
│.............................................%.%%.%%%%%..................%%%.%%.%.%..%..............│
@@ -79,10 +79,10 @@ Half-moons scatterplot and decision boundary:
│        │                                                                                                    │
│        │-                                                                                                   │
│        │   -                                                                                                │
-│        │ -    - -  - - -- -                 -        -                                                      │
-│        │     -    -         -  - -         -- - -- -  -    -                                                │
-│        │-- - -- - -    -- - -- -  - - -- - -- -         - -  - -- - -- - -- -  -   -                        │
-│        │---- -- - -- - ---- -- - ---- -- - -- - -- - --    -                  -  -  - - -- - --   -         │
+│        │ -    - -  - - -- - -     -                                                                         │
+│        │     -    -          - -    - -- - -- - -- - -  - -- -                                              │
+│        │-- - -- - -    -- - --   -- -            - - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
+│        │---- -- - -- - ---- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
│ 0.00   │----------------------------------------------------------------------------------------------------│
├────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│        │0.00                                                                                         4.79e+3│
@@ -96,38 +96,38 @@ Half-moons scatterplot and decision boundary:
│         │-                                                                                                   │
│         │                                                                                                    │
│         │-  -                                                                                                │
-│         │ -   -- - -- - -- - -               -        --                                                     │
-│         │      -           -  - - -- -  -   -- - -- -    - -- -  -    -                                      │
-│         │-- - -- - -- - ---  -  - -- - -- - -- -                -  - -  - -- -  -   -                        │
-│         │---- -- - -- - ---- -- - ---- -- - -- - --   --                       -  -       -    -             │
-│         │-  - -- - -- - -    -    -  - -  - --      -       - -                      - - -  - -  - -         │
-│         │- -  -- -    -   --  ---   --  - - -  - --   -  - -                                          -      │
-│         │- --  -      -   -                  - -  -   -         -- -  -                             -      - │
-│         │-  - -    --        --           - -- - --      -    - -    -    -  -                          --   │
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-│o        │ -   ---   - -         -      - -  -  -  - -         -      -             -          -              │
-│g        │ -  - -- -    -          -         --    -  -   -  -              -    -         --    -    -       │
-│         │- --    -    -  -   ---    -     -------- - - --                  --           -    -          -    │
-│l        │--    -- - -          -     -  -- -- --- -- -     - - -    -  - -  -  -   --                  -    -│
-│o        │--  - --  ----        -     - --    -- -- -  --   ---- - - -         -              -               │
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-│         │        -  -     -   --   -  -   - - - --    --   -   ---  --           -        - - -    -         │
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-│         │                                  -     -        -               -         -                        │
-│         │                                -         -           -      -                 -              -     │
-│         │                                                 -                                                  │
-│         │      -                                                                                             │
-│         │                                                      -                                             │
-│         │                                                                -                                   │
+│         │ -   -- - -- - -- - --    - -                                                                       │
+│         │      -           -    - -    -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
+│         │-- - -- - -- - -- - -- - -- - -    -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
+│         │---- -- - -- - ---- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - │
+│         │-  - -- - -- - -  - -- - -- - -- -  -   --   -- - --   -- -  - - -- - -- - -- - -- - -- - -- - -- - │
+│         │- -  -- -    - - -  --           -  - -    -         -    - -     -    -        -  - --      -  -   │
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+│         │-  - -    --     -  -  -      -  -        -     -                                -                  │
+│         │     --   --             -            -                 -        -                        -       - │
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+│o        │ -   ---   - -    -                                     - - -       -         -  -  --  --      - --│
+│g        │ -  - -- -    -   - --       -             -  -    - --   -    -    -  -  --          -    -- -   - │
+│         │- --    -    -        - -   - -- --      - -    -  -   -- -- -    -  -      -  - -  -   -          -│
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+│o        │--  - --  ----         --      -  -----     --  --           -      --   -    -    --   -       -   │
+│s        │--    --   -       - ----  -  ----- ----      -       -    - - -- -  - -  - - -    -  - --      - - │
+│s        │ -- - --   -         - --       --   - - - --    - - -  -       - - -- - --  --- - -- - -- -  --- --│
+│         │        -  -    --      -      -       -    - -- -      - --  --- -  - - -    -- ---- - -- - -- - --│
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+│         │       - - -           -  - -    -       -     -   -- ---  - - -   --  ---  - --    - - - -- -- - --│
+│         │-  -               -   -        -           - -       -  ---  --- - -   - - -  - -  -   -  -  - -   │
+│         │-                    -  -   -        - -   -       -     -   -  -  - - -  -  ---   -  -- -      - --│
+│         │                     -        - -              -   ----         -    -    -   -       -    -  -  - -│
+│         │-   -                                  -              - -  -  - - -  -    -  - -   -  - -    -    - │
+│         │       -                -                        - -     -  -     -         -  --  -               -│
+│         │                                                     -               -                        -     │
+│         │                        -                  -               -                                    -   │
+│         │                                                                       --                -       - -│
+│         │      -                           -                                 -               -               │
+│         │                             -                               -                                -     │
│         │                                                                                                    │
+│         │                                                                       -         -                  │
│ -1.00e+1│----------------------------------------------------------------------------------------------------│
├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│         │0.00                                                                                         4.79e+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 7d67fbc..960ab8a 100644
--- a/_build/default/test/training/moons_demo_parallel.expected
+++ b/_build/default/test/training/moons_demo_parallel.exe.output
@@ -1,3 +1,138 @@
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
-Success
+
+Half-moons scatterplot and decision boundary:
+┌────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│************************************#******************************************************.........│
+│*****************************##*#*#***###**#***********************************************.........│
+│*********************##**#*#*###***#*##*#**#*##*******************************************..........│
+│*******************####*##########***#####**####******************************************..........│
+│**************#**###**#**#*#*#*###*#*#**#*#####*****##***********************************...........│
+│***************#####*#*##****##**####*####**#**#*#*#*************************************...........│
+│*************#*###*#*#*#*******************#*#*#########********************************............│
+│*********#**##*#*#*#*****************.********####*###*#********************************............│
+│********#****###*#*****************....**********#**#*#*##*#****************************............│
+│******#*#*#*#####***************........*************#####*****************************.............│
+│************###***************...........************#*#*******************************.............│
+│********###**#*************...............*************###*##*************************..............│
+│******####*###***********..................***************###**#*********************...............│
+│*****###*##*#***********..........%%........************#*##*#**********************...........%....│
+│****#*#####***********.........%....%........*************####**#******************............%....│
+│****##*#*#***********..........%%%%...........*************##*********************...........%%.%%..│
+│***####*#***********.............%..%..........*************####******************...........%..%.%.│
+│**##*#**#*********..............%.%%............***********###**##***************............%..%..%│
+│*##*#*##*********..............%.%%.%............*********#**##**#**************.............%.%..%.│
+│***####*********...............%%.%%.%............***********#####*#***********..............%....%.│
+│*##*##*#******..................%...%..............*********##*#*#************.............%.%%%.%..│
+│#**#**#******..................%%%.%%...............**********#*###**********...............%....%..│
+│####*******........................%.%.%.............********##*##**********...............%%%%%....│
+│#***##****.......................%%.%%..%..............******#####*#*******................%%%%.%...│
+│##*#****..........................%%%.%.%...............**********##******...............%..%%%.....│
+│#*#****............................%%.%..................******#**##*****.................%.%.%%%...│
+│#**#*...............................%%%%%..%.................****#******.................%%%........│
+│##**..............................%...%.%%%...................##...#...................%%%.%..%.....│
+│**..................................%.%%%%...........................................%..%.%%.%......│
+│*....................................%%.%%%%.............................................%%.%%......│
+│.......................................%..%..%.....................................%%%%.%%%%%.......│
+│.........................................%.%%.%%..%...............................%%%%%%.%.%........│
+│........................................%%.%%.%%%................................%%.%.%...%.........│
+│.............................................%%%.............................%.%.%..%%..%...........│
+│.............................................%.%%.%%%%%..................%%%.%%.%.%..%..............│
+│............................................%%%.%%%%%%..%.%%..%%.%%%%%%.%%.%%%....%.................│
+│.............................................%..%...%%%%...%.%%%.%%.%%.....%%..%%%..%...............│
+│....................................................%..%%%%%.%.%.%.%.%..%%%%..%%....................│
+│...................................................%%%...%%.%.%...%...%%..%..%%.....................│
+│.....................................................%....%..%.%%%%%................................│
+└────────────────────────────────────────────────────────────────────────────────────────────────────┘
+Batch Log-loss:
+┌─────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ 7.82    │-                                                                                                   │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │-                                                                                                   │
+│         │-                                                                                                   │
+│         │ - - -- - -- - -  -                                                                                 │
+│         │-- -  -    - -  -   -- - --   --   --                     -         -                               │
+│         │-- - -- - -    -- - -- - -  -    -    -  - - -- - -          - -         -                          │
+│         │---- ----  - - -  -  -   -- -  -        -               -        --   -    --                       │
+│         │  - --- - -   - -  -   - --   -  - --              - - -  - -                 - --   -     -        │
+│         │ --- -  - -    -  -         -  -   -                          -        -        -  --        -      │
+│         │ -     --  ---      --       -    - -     -         -     -      -  -      -              -       --│
+│         │             -    -          -      -       -     -    -        -  --    -   -         --   -  --   │
+│b        │    - - ---         -  - -     -        -    -   -    -  -                -           -             │
+│a        │   - -  -  --     -  -      -           -     - -                                                   │
+│t        │         - -                                  -   -         -                                       │
+│c        │      -        ---      -         -    -        --    -                        -  -      -          │
+│h        │              -           - -        -                                                              │
+│         │                 -              -       - -                                                         │
+│l        │                                 -                                                                  │
+│o        │                                                                                                    │
+│g        │                                                                        -                           │
+│         │        -                                                                                           │
+│l        │                                                                          -                         │
+│o        │                                                                                                    │
+│s        │                              -                                                                     │
+│s        │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│         │                                                                                                    │
+│ -1.04e+1│ ---------------------------------------------------------------------------------------------------│
+├─────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
+│         │0.00                                                                                         1.19e+3│
+│         │                                                step                                                │
+└─────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
+Epoch Log-loss:
+┌─────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
+│ 8.57│-                                                                                                   │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │ - -                                                                                                │
+│     │     --                                                                                             │
+│e    │             -                                                                                      │
+│p    │        - --                                                                                        │
+│o    │               -  - -  -                                                                            │
+│c    │                -    -   -                                                                          │
+│h    │                                                                                                    │
+│     │                               -                                                                    │
+│l    │                          - - -    -                      -                                         │
+│o    │                                 -  -                               -                               │
+│g    │                                                                                                    │
+│     │                                                                                                    │
+│l    │                                           -    -            -           -                          │
+│o    │                                         -   --   -            -  -                                 │
+│s    │                                      -                          -                                  │
+│s    │                                        -               -   -              --                       │
+│     │                                                   -                            -  -                │
+│     │                                                     - -              -       -  -         -        │
+│     │                                                                                     -              │
+│     │                                                                                                    │
+│     │                                                                       -                  -       - │
+│     │                                                                                             -      │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                      -             │
+│     │                                                                                                    │
+│     │                                                                                                    │
+│     │                                                                                        -           │
+│ 2.29│                                                                                               --   │
+├─────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
+│     │0.00                                                                                         5.90e+1│
+│     │                                                step                                                │
+└─────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
\ No newline at end of file
"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1
2025-08-04 17:03.02: Job failed: Failed: Build failed