debian-12-5.3_arm64_opam-2.4

2025-08-02 20:52.36: New job: test ahrefs/ocannl https://github.com/ahrefs/ocannl.git#refs/heads/master (7336e372bee414bf9144ea44e99f24fed17934ad) (linux-arm64:debian-12-5.3_arm64_opam-2.4)
Base: ocaml/opam:debian-12-ocaml-5.3@sha256:32ac73f1e1e94e5b51b538ec5bf10459f08ccdd1329a22c26eea8642541b3ba0
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ahrefs/ocannl.git" -b "master" && cd "ocannl" && git reset --hard 7336e372
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.3@sha256:32ac73f1e1e94e5b51b538ec5bf10459f08ccdd1329a22c26eea8642541b3ba0
# debian-12-5.3_arm64_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


2025-08-02 20:52.36: Using cache hint "ahrefs/ocannl-ocaml/opam:debian-12-ocaml-5.3@sha256:32ac73f1e1e94e5b51b538ec5bf10459f08ccdd1329a22c26eea8642541b3ba0-debian-12-5.3_arm64_opam-2.4-a61f39135d120f7a92b6120d1d6a701f"
2025-08-02 20:52.36: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.3@sha256:32ac73f1e1e94e5b51b538ec5bf10459f08ccdd1329a22c26eea8642541b3ba0)
(comment debian-12-5.3_arm64_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"))
)


2025-08-02 20:52.36: Waiting for resource in pool OCluster
2025-08-02 20:52.36: Waiting for worker…
2025-08-02 20:52.36: Got resource from pool OCluster
Building on kydoime.caelum.ci.dev
HEAD is now at fb4b3630 First pass on a slew of bugs uncovered by the Metal backend Very strange to be getting session-level bugs in one of the backends but not the other.
HEAD is now at 7336e372 Major nasty bug: accidental optimize_ctx sharing


(from ocaml/opam:debian-12-ocaml-5.3@sha256:32ac73f1e1e94e5b51b538ec5bf10459f08ccdd1329a22c26eea8642541b3ba0)
Unable to find image 'ocaml/opam:debian-12-ocaml-5.3@sha256:32ac73f1e1e94e5b51b538ec5bf10459f08ccdd1329a22c26eea8642541b3ba0' locally
docker.io/ocaml/opam@sha256:32ac73f1e1e94e5b51b538ec5bf10459f08ccdd1329a22c26eea8642541b3ba0: Pulling from ocaml/opam
Digest: sha256:32ac73f1e1e94e5b51b538ec5bf10459f08ccdd1329a22c26eea8642541b3ba0
Status: Downloaded newer image for ocaml/opam@sha256:32ac73f1e1e94e5b51b538ec5bf10459f08ccdd1329a22c26eea8642541b3ba0
2025-08-02 20:52.37 ---> using "2b6a049f628b0e00612e07a678630afc4e1995fa41a088af5fe5eeb111627646" from cache


/: (comment debian-12-5.3_arm64_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"))
2025-08-02 20:52.37 ---> using "cba8234b8fc7799840b819194970153b4c991d7b1e1d82124d5507e801b4b303" 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
Format upgrade done.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-08-02 20:52.37 ---> using "8dbf3a4131ae0c175d927b879174fa9270802ccae27e32926d61bf19cf3a4497" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-142-generic
The OCaml toplevel, version 5.3.0
2.4.1
2025-08-02 20:52.37 ---> using "e0fc09850a6640eb14b5e2cbe9dc5457cf1cba3fe1d428d41b18b5e0bcda5dd0" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-08-02 20:52.37 ---> using "831ba7eb77537e6f779e2883ed3a8091bde4df00df74b12629337c0cdd9a70a6" 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)
2025-08-02 20:52.37 ---> using "f0f83808cc3474050c820f9d75dac216389402078f4585de58de82b1f5413edf" from cache


/src: (copy (src neural_nets_lib.opam arrayjit.opam) (dst ./))
2025-08-02 20:52.37 ---> using "07d7f53e08723f47492241da3e5ad5fc76eab900b6ccad3b95cf0214a53a2051" 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)
2025-08-02 20:52.37 ---> using "faf1ba249c5709ecb96a2e100e14842d011a1b4963abac59b85c5ccdd9ed6c40" from cache


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-08-02 20:52.37 ---> using "ebf6f307f04aead5af2565afd55cc122cd364e989acff17e29674955ea83450d" 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://deb.debian.org/debian bookworm InRelease
- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
- Get:4 http://deb.debian.org/debian bookworm-updates/main arm64 Packages.diff/Index [19.6 kB]
- Ign:4 http://deb.debian.org/debian bookworm-updates/main arm64 Packages.diff/Index
- Get:5 http://deb.debian.org/debian bookworm-updates/main arm64 Packages [6936 B]
- Fetched 130 kB in 1s (160 kB/s)
- Reading package lists...
- 


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


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


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


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


+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libcurl4-gnutls-dev" "libffi-dev" "pkg-config" "zlib1g-dev"
- debconf: delaying package configuration, since apt-utils is not installed
- Selecting previously unselected package libcurl4-gnutls-dev:arm64.
- (Reading database ...
- (Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 18801 files and directories currently installed.)
- Preparing to unpack .../0-libcurl4-gnutls-dev_7.88.1-10+deb12u12_arm64.deb ...
- Unpacking libcurl4-gnutls-dev:arm64 (7.88.1-10+deb12u12) ...
- Selecting previously unselected package libffi-dev:arm64.
- Preparing to unpack .../1-libffi-dev_3.4.4-1_arm64.deb ...
- Unpacking libffi-dev:arm64 (3.4.4-1) ...
- Selecting previously unselected package libpkgconf3:arm64.
- Preparing to unpack .../2-libpkgconf3_1.8.1-1_arm64.deb ...
- Unpacking libpkgconf3:arm64 (1.8.1-1) ...
- Selecting previously unselected package pkgconf-bin.
- Preparing to unpack .../3-pkgconf-bin_1.8.1-1_arm64.deb ...
- Unpacking pkgconf-bin (1.8.1-1) ...
- Selecting previously unselected package pkgconf:arm64.
- Preparing to unpack .../4-pkgconf_1.8.1-1_arm64.deb ...
- Unpacking pkgconf:arm64 (1.8.1-1) ...
- Selecting previously unselected package pkg-config:arm64.
- Preparing to unpack .../5-pkg-config_1.8.1-1_arm64.deb ...
- Unpacking pkg-config:arm64 (1.8.1-1) ...
- Selecting previously unselected package zlib1g-dev:arm64.
- Preparing to unpack .../6-zlib1g-dev_1%3a1.2.13.dfsg-1_arm64.deb ...
- Unpacking zlib1g-dev:arm64 (1:1.2.13.dfsg-1) ...
- Setting up libcurl4-gnutls-dev:arm64 (7.88.1-10+deb12u12) ...
- Setting up libffi-dev:arm64 (3.4.4-1) ...
- Setting up libpkgconf3:arm64 (1.8.1-1) ...
- Setting up pkgconf-bin (1.8.1-1) ...
- Setting up zlib1g-dev:arm64 (1:1.2.13.dfsg-1) ...
- Setting up pkgconf:arm64 (1.8.1-1) ...
- Setting up pkg-config:arm64 (1.8.1-1) ...
- Processing triggers for libc-bin (2.36-9+deb12u10) ...
2025-08-02 20:52.37 ---> using "edc6456dd876db0a6c6004fcaf0b1d14db061a6d0c17137f594dba257b157da8" 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 base.v0.17.3  (cached)
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved camlzip.1.13  (cached)
-> installed conf-libcurl.2
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> 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 fmt.0.11.0  (cached)
-> retrieved integers.0.7.0  (cached)
-> retrieved jane-street-headers.v0.17.0  (cached)
-> retrieved jst-config.v0.17.0  (cached)
-> retrieved logs.0.9.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved mdx.2.5.0  (cached)
-> retrieved multicore-magic.2.3.1  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved num.1.6  (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 dune.3.19.1, dune-configurator.3.19.1  (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_expect.v0.17.3  (cached)
-> installed cmdliner.1.3.0
-> installed num.1.6
-> retrieved ppx_fields_conv.v0.17.0  (cached)
-> retrieved ppx_globalize.v0.17.2  (cached)
-> retrieved ppx_hash.v0.17.0  (cached)
-> retrieved ppx_here.v0.17.0  (cached)
-> retrieved ppx_inline_test.v0.17.1  (cached)
-> retrieved ppx_optcomp.v0.17.1  (cached)
-> retrieved ppx_minidebug.2.3.0  (cached)
-> retrieved ppx_sexp_conv.v0.17.1  (cached)
-> retrieved ppx_string.v0.17.0  (cached)
-> retrieved ppx_variants_conv.v0.17.1  (cached)
-> retrieved ppxlib_jane.v0.17.4  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved re.1.13.2  (cached)
-> retrieved ppxlib.0.36.0  (cached)
-> retrieved result.1.5  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved saturn_lockfree.0.5.0  (cached)
-> retrieved sexplib.v0.17.0  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved stdio.v0.17.0  (cached)
-> retrieved printbox.0.12, printbox-ext-plot.0.12, printbox-html.0.12, printbox-md.0.12, printbox-text.0.12  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved thread-local-storage.0.2  (cached)
-> retrieved time_now.v0.17.0  (cached)
-> retrieved topkg.1.1.0  (cached)
-> retrieved tyxml.4.6.0  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved variantslib.v0.17.0  (cached)
-> retrieved uucp.16.0.0  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed camlzip.1.13
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.0
-> installed uutf.1.0.4
-> installed fmt.0.11.0
-> installed mtime.2.1.0
-> 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 result.1.5
-> installed backoff.0.1.1
-> installed bigarray-compat.1.1.0
-> installed csexp.1.5.2
-> installed camlp-streams.5.0.1
-> installed cppo.1.8.0
-> installed csv.2.4
-> installed multicore-magic.2.3.1
-> installed ocaml-syntax-shims.1.0.0
-> installed ocaml-version.4.0.1
-> installed ocaml_intrinsics_kernel.v0.17.1
-> installed pprint.20230830
-> installed printbox.0.12
-> installed sexplib0.v0.17.0
-> installed re.1.13.2
-> installed ocaml-compiler-libs.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 sexplib.v0.17.0
-> installed mdx.2.5.0
-> installed tyxml.4.6.0
-> installed angstrom.0.16.1
-> installed printbox-html.0.12
-> installed curl.0.10.0
-> installed base.v0.17.3
-> installed fieldslib.v0.17.0
-> installed variantslib.v0.17.0
-> installed stdio.v0.17.0
-> installed ctypes.0.23.0
-> installed ctypes-foreign.0.23.0
-> installed ppxlib.0.36.0
-> installed uucp.16.0.0
-> installed ppx_optcomp.v0.17.1
-> installed ppxlib_jane.v0.17.4
-> installed ppx_here.v0.17.0
-> installed ppx_cold.v0.17.0
-> installed ppx_variants_conv.v0.17.1
-> installed printbox-text.0.12
-> installed ppx_fields_conv.v0.17.0
-> installed printbox-md.0.12
-> installed printbox-ext-plot.0.12
-> installed ppx_deriving.6.1.1
-> installed ppx_enumerate.v0.17.0
-> installed ppx_globalize.v0.17.2
-> 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)
2025-08-02 20:52.37 ---> using "11730d6fd2df4c3dee52c80e202ea72e4a520d27abcd3d0c6252d7a39582d669" from cache


/src: (copy (src .) (dst /src))
2025-08-02 20:52.37 ---> saved as "62096d805ccd556d2d649a54acb39bc613ad2a78380e0f981c7e146dd53401cc"


/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/.sandbox/77828a654f66bf7c8e8bc912a424ab6b/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/77828a654f66bf7c8e8bc912a424ab6b/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/d7a6209985397971164b6b1d80071cac/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/d7a6209985397971164b6b1d80071cac/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/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/default/test/ppx && ./test_ppx_op.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
(cd _build/default/test/ppx && ./test_ppx_op_expected.exe)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
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 847, characters 10-16
Re-raised at Utils.capture_stdout_logs in file "arrayjit/lib/utils.ml", line 878, 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/d7a6209985397971164b6b1d80071cac/default/test/operations && .operations_tutorials.inline-tests/inline-test-runner.exe inline-test-runner operations_tutorials -partition test_threefry4x32.ml -source-tree-root ../.. -diff-cmd -)
Retrieving commandline, environment, or config file variable ocannl_log_level
Found 0, in the config file
File "test/einsum/dune", line 13, characters 7-25:
13 |  (name einsum_trivia_exec)
^^^^^^^^^^^^^^^^^^
(cd _build/default/test/einsum && ./einsum_trivia_exec.exe) > _build/default/test/einsum/einsum_trivia_exec.exe.output
Fatal error: exception Utils.User_error("Tnode.update_memory_mode: update 15 -> 14 for r2x4x3 is already virtual")
Raised at Ir__Tnode.update_memory_mode in file "arrayjit/lib/tnode.ml", lines 316-320, characters 6-38
Called from Ir__Low_level.inline_computation in file "arrayjit/lib/low_level.ml", line 646, characters 4-51
Re-raised at Ir__Low_level.inline_computation in file "arrayjit/lib/low_level.ml", lines 527-647, characters 35-8
Called from Ir__Low_level.virtual_llc.loop_float in file "arrayjit/lib/low_level.ml", line 712, characters 24-97
Called from Ir__Low_level.virtual_llc.loop_float in file "arrayjit/lib/low_level.ml", line 727, characters 49-77
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 683, characters 44-77
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml" (inlined), line 659, characters 15-37
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 674, characters 49-58
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml" (inlined), line 659, characters 15-37
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 674, characters 49-58
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml" (inlined), line 659, characters 15-37
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 674, characters 49-58
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 670, characters 25-76
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml" (inlined), line 659, characters 15-37
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 664, characters 17-24
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml" (inlined), line 659, characters 15-37
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 663, characters 17-24
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml" (inlined), line 659, characters 15-37
Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 664, characters 17-24
Called from Ir__Low_level.optimize_proc in file "arrayjit/lib/low_level.ml", line 1054, characters 4-87
Re-raised at Ir__Low_level.optimize_proc in file "arrayjit/lib/low_level.ml", lines 1044-1063, characters 30-49
Called from Ir__Low_level.optimize in file "arrayjit/lib/low_level.ml", line 1328, characters 15-57
Called from Ir__Assignments.lower in file "arrayjit/lib/assignments.ml", line 544, characters 2-85
Re-raised at Ir__Assignments.lower in file "arrayjit/lib/assignments.ml", lines 537-544, characters 22-85
Called from Backends.lower_assignments in file "arrayjit/lib/backends.ml", lines 255-256, characters 4-45
Re-raised at Backends.lower_assignments in file "arrayjit/lib/backends.ml", lines 247-256, characters 34-47
Called from Backends.Raise_backend.compile in file "arrayjit/lib/backends.ml", line 440, characters 6-59
Re-raised at Backends.Raise_backend.compile in file "arrayjit/lib/backends.ml", lines 439-440, characters 4-59
Re-raised at Backends.Raise_backend.compile in file "arrayjit/lib/backends.ml", lines 438-446, characters 26-99
Called from Ocannl__Train.run_once in file "lib/train.ml", line 551, characters 25-89
Re-raised at Ocannl__Train.run_once in file "lib/train.ml", lines 531-554, characters 25-17
Called from Ocannl__Train.forward_once in file "lib/train.ml", lines 566-569, characters 4-46
Called from Dune__exe__Einsum_trivia_exec in file "test/einsum/einsum_trivia_exec.ml", line 149, characters 9-41
(cd _build/.sandbox/d7a6209985397971164b6b1d80071cac/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/d7a6209985397971164b6b1d80071cac/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
(cd _build/.sandbox/77828a654f66bf7c8e8bc912a424ab6b/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/77828a654f66bf7c8e8bc912a424ab6b/default/test/einsum/einsum_trivia.ml.corrected
diff --git a/_build/default/test/einsum/einsum_trivia.ml b/_build/.sandbox/77828a654f66bf7c8e8bc912a424ab6b/default/test/einsum/einsum_trivia.ml.corrected
index 3049108..ce635f0 100644
--- a/_build/default/test/einsum/einsum_trivia.ml
+++ b/_build/.sandbox/77828a654f66bf7c8e8bc912a424ab6b/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 │ 1.19e+5  6.12e-41  0.00   │   │
+    ││axis 2│ 5.96e+4  1.93e+3   1.00   │   │
+    ││      │ ...      ...       ...    │   │
+    ││      │ 6.24e+4  3.04e+3   4.00   │   │
+    ││      │ 5.96e+4  1.40e-44  5.00   │   │
+    │├──────┼───────────────────────────┤   │
+    ││1 @ 1 │ 6.02e+4  1.00     3.16e+3 │   │
+    ││axis 2│ 0.00     1.93e+3  3.16e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 2.82e+3  3.04e+3  3.16e+3 │   │
+    ││      │ 0.00     1.00     3.16e+3 │   │
+    │├──────┼───────────────────────────┤   │
+    ││2 @ 1 │ 6.35e+4  2.00     3.96e+3 │   │
+    ││axis 2│ 3.33e+3  1.93e+3  3.96e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 6.15e+3  3.04e+3  3.96e+3 │   │
+    ││      │ 3.33e+3  2.00     3.96e+3 │   │
+    │├──────┼───────────────────────────┤   │
+    ││3 @ 1 │ 6.42e+4  3.00     4.76e+3 │   │
+    ││axis 2│ 4.00e+3  1.93e+3  4.76e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 6.82e+3  3.04e+3  4.76e+3 │   │
+    ││      │ 4.00e+3  3.00     4.76e+3 │   │
+    │├──────┼───────────────────────────┤   │
+    ││4 @ 1 │ 6.48e+4  4.00     5.56e+3 │   │
+    ││axis 2│ 4.68e+3  1.94e+3  5.56e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 7.50e+3  3.04e+3  5.56e+3 │   │
+    ││      │ 4.68e+3  4.00     5.56e+3 │   │
+    │└──────┴───────────────────────────┘   │
+    ├───────────────────────────────────────┤
+    │┌──────┬──────────────────────────────┐│
+    ││1 @ 0 │axis 3                        ││
+    │├──────┼──────────────────────────────┤│
+    ││0 @ 1 │ 1.19e+5  -7.70e+27  6.12e-41 ││
+    ││axis 2│ 5.96e+4  -7.70e+27  1.00     ││
+    ││      │ ...      ...        ...      ││
+    ││      │ 6.24e+4  -7.70e+27  4.00     ││
+    ││      │ 5.96e+4  -7.70e+27  5.00     ││
+    │├──────┼──────────────────────────────┤│
+    ││1 @ 1 │ 6.02e+4  -7.70e+27  3.16e+3  ││
+    ││axis 2│ 1.00     -7.70e+27  3.16e+3  ││
+    ││      │ ...      ...        ...      ││
+    ││      │ 2.82e+3  -7.70e+27  3.16e+3  ││
+    ││      │ 1.00     -7.70e+27  3.16e+3  ││
+    │├──────┼──────────────────────────────┤│
+    ││2 @ 1 │ 6.35e+4  -7.70e+27  3.96e+3  ││
+    ││axis 2│ 3.33e+3  -7.70e+27  3.96e+3  ││
+    ││      │ ...      ...        ...      ││
+    ││      │ 6.15e+3  -7.70e+27  3.96e+3  ││
+    ││      │ 3.33e+3  -7.70e+27  3.96e+3  ││
+    │├──────┼──────────────────────────────┤│
+    ││3 @ 1 │ 6.42e+4  -7.70e+27  4.76e+3  ││
+    ││axis 2│ 4.00e+3  -7.70e+27  4.76e+3  ││
+    ││      │ ...      ...        ...      ││
+    ││      │ 6.82e+3  -7.70e+27  4.76e+3  ││
+    ││      │ 4.00e+3  -7.70e+27  4.76e+3  ││
+    │├──────┼──────────────────────────────┤│
+    ││4 @ 1 │ 6.48e+4  -7.70e+27  5.56e+3  ││
+    ││axis 2│ 4.68e+3  -7.70e+27  5.56e+3  ││
+    ││      │ ...      ...        ...      ││
+    ││      │ 7.50e+3  -7.70e+27  5.56e+3  ││
+    ││      │ 4.68e+3  -7.70e+27  5.56e+3  ││
+    │└──────┴──────────────────────────────┘│
+    ├───────────────────────────────────────┤
+    │┌──────┬───────────────────────────┐   │
+    ││2 @ 0 │axis 3                     │   │
+    │├──────┼───────────────────────────┤   │
+    ││0 @ 1 │ 1.19e+5  6.12e-41  0.00   │   │
+    ││axis 2│ 5.96e+4  1.93e+3   1.00   │   │
+    ││      │ ...      ...       ...    │   │
+    ││      │ 6.24e+4  3.04e+3   4.00   │   │
+    ││      │ 5.96e+4  0.00      5.00   │   │
+    │├──────┼───────────────────────────┤   │
+    ││1 @ 1 │ 6.02e+4  1.00     3.16e+3 │   │
+    ││axis 2│ 2.00     1.93e+3  3.16e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 2.82e+3  3.04e+3  3.16e+3 │   │
+    ││      │ 2.00     1.00     3.16e+3 │   │
+    │├──────┼───────────────────────────┤   │
+    ││2 @ 1 │ 6.35e+4  2.00     3.96e+3 │   │
+    ││axis 2│ 3.33e+3  1.93e+3  3.96e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 6.15e+3  3.04e+3  3.96e+3 │   │
+    ││      │ 3.33e+3  2.00     3.96e+3 │   │
+    │├──────┼───────────────────────────┤   │
+    ││3 @ 1 │ 6.42e+4  3.00     4.76e+3 │   │
+    ││axis 2│ 4.01e+3  1.93e+3  4.76e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 6.83e+3  3.04e+3  4.76e+3 │   │
+    ││      │ 4.01e+3  3.00     4.76e+3 │   │
+    │├──────┼───────────────────────────┤   │
+    ││4 @ 1 │ 6.48e+4  4.00     5.56e+3 │   │
+    ││axis 2│ 4.68e+3  1.94e+3  5.56e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 7.50e+3  3.04e+3  5.56e+3 │   │
+    ││      │ 4.68e+3  4.00     5.56e+3 │   │
+    │└──────┴───────────────────────────┘   │
+    ├───────────────────────────────────────┤
+    │┌──────┬───────────────────────────┐   │
+    ││3 @ 0 │axis 3                     │   │
+    │├──────┼───────────────────────────┤   │
+    ││0 @ 1 │ 1.19e+5  2.20e+2  2.53e+2 │   │
+    ││axis 2│ 5.96e+4  2.15e+3  2.54e+2 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 6.24e+4  3.26e+3  2.57e+2 │   │
+    ││      │ 5.96e+4  2.20e+2  2.58e+2 │   │
+    │├──────┼───────────────────────────┤   │
+    ││1 @ 1 │ 6.02e+4  2.21e+2  3.41e+3 │   │
+    ││axis 2│ 3.00     2.15e+3  3.41e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 2.82e+3  3.26e+3  3.41e+3 │   │
+    ││      │ 3.00     2.21e+2  3.41e+3 │   │
+    │├──────┼───────────────────────────┤   │
+    ││2 @ 1 │ 6.35e+4  2.22e+2  4.21e+3 │   │
+    ││axis 2│ 3.33e+3  2.15e+3  4.21e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 6.15e+3  3.26e+3  4.21e+3 │   │
+    ││      │ 3.33e+3  2.22e+2  4.21e+3 │   │
+    │├──────┼───────────────────────────┤   │
+    ││3 @ 1 │ 6.42e+4  2.23e+2  5.01e+3 │   │
+    ││axis 2│ 4.01e+3  2.15e+3  5.01e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 6.83e+3  3.26e+3  5.01e+3 │   │
+    ││      │ 4.01e+3  2.23e+2  5.01e+3 │   │
+    │├──────┼───────────────────────────┤   │
+    ││4 @ 1 │ 6.48e+4  2.24e+2  5.81e+3 │   │
+    ││axis 2│ 4.68e+3  2.16e+3  5.81e+3 │   │
+    ││      │ ...      ...      ...     │   │
+    ││      │ 7.50e+3  3.26e+3  5.81e+3 │   │
+    ││      │ 4.68e+3  2.24e+2  5.81e+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  1.40e-44   0.00     ││
+    ││      │ 1.00  -7.70e+27  6.12e-41 ││
+    ││      │ 2.00  0.00       0.00     ││
+    ││      │ 3.00  2.20e+2    2.53e+2  ││
+    │└──────┴───────────────────────────┘│
+    └────────────────────────────────────┘
|}];
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│ 6.02e+4  6.12e-41  0.00 ││
+    ││      │ 0.00     1.93e+3   1.00 ││
+    ││      │ ...      ...       ...  ││
+    ││      │ 2.82e+3  3.04e+3   4.00 ││
+    ││      │ 0.00     0.00      5.00 ││
+    │└──────┴─────────────────────────┘│
+    └──────────────────────────────────┘
|}]


let%expect_test "einsum with a leftmost input axis preserved as output axis" =
(cd _build/.sandbox/d7a6209985397971164b6b1d80071cac/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/test_threefry4x32.ml", line 1, characters 0-0:
/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/operations/test_threefry4x32.ml _build/.sandbox/d7a6209985397971164b6b1d80071cac/default/test/operations/test_threefry4x32.ml.corrected
diff --git a/_build/default/test/operations/test_threefry4x32.ml b/_build/.sandbox/d7a6209985397971164b6b1d80071cac/default/test/operations/test_threefry4x32.ml.corrected
index 849436d..16188e9 100644
--- a/_build/default/test/operations/test_threefry4x32.ml
+++ b/_build/.sandbox/d7a6209985397971164b6b1d80071cac/default/test/operations/test_threefry4x32.ml.corrected
@@ -72,12 +72,43 @@ let%expect_test "uint4x32_to_prec_uniform different precisions" =
test_precision Ir.Ops.double "Double";
test_precision Ir.Ops.half "Half";


-  [%expect
-    {|
-    Single precision - first value: 0.756113, second value: 0.758716
-    All values in [0, 1) range: true
-    Double precision - first value: 0.756113, second value: 0.758716
-    All values in [0, 1) range: true
-    Half precision - first value: 0.756113, second value: 0.758716
-    All values in [0, 1) range: true
-    |}]
+  [%expect.unreachable]
+[@@expect.uncaught_exn {|
+  (* CR expect_test_collector: This test expectation appears to contain a backtrace.
+     This is strongly discouraged as backtraces are fragile.
+     Please change this test to not include a backtrace. *)
+  ("Utils.User_error(\"Tnode.update_memory_mode: update 15 -> 14 for threefry4x32 is already virtual\")")
+  Raised at Ir__Tnode.update_memory_mode in file "arrayjit/lib/tnode.ml", lines 316-320, characters 6-38
+  Called from Ir__Low_level.inline_computation in file "arrayjit/lib/low_level.ml", line 646, characters 4-51
+  Re-raised at Ir__Low_level.inline_computation in file "arrayjit/lib/low_level.ml", lines 527-647, characters 35-8
+  Called from Ir__Low_level.virtual_llc.loop_float in file "arrayjit/lib/low_level.ml", line 712, characters 24-97
+  Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 691, characters 59-91
+  Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml" (inlined), line 659, characters 15-37
+  Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 674, characters 49-58
+  Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 670, characters 25-76
+  Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml" (inlined), line 659, characters 15-37
+  Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 663, characters 17-24
+  Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml" (inlined), line 659, characters 15-37
+  Called from Ir__Low_level.virtual_llc.loop_proc in file "arrayjit/lib/low_level.ml", line 664, characters 17-24
+  Called from Ir__Low_level.optimize_proc in file "arrayjit/lib/low_level.ml", line 1054, characters 4-87
+  Re-raised at Ir__Low_level.optimize_proc in file "arrayjit/lib/low_level.ml", lines 1044-1063, characters 30-49
+  Called from Ir__Low_level.optimize in file "arrayjit/lib/low_level.ml", line 1328, characters 15-57
+  Called from Ir__Assignments.lower in file "arrayjit/lib/assignments.ml", line 544, characters 2-85
+  Re-raised at Ir__Assignments.lower in file "arrayjit/lib/assignments.ml", lines 537-544, characters 22-85
+  Called from Backends.lower_assignments in file "arrayjit/lib/backends.ml", lines 255-256, characters 4-45
+  Re-raised at Backends.lower_assignments in file "arrayjit/lib/backends.ml", lines 247-256, characters 34-47
+  Called from Backends.Raise_backend.compile in file "arrayjit/lib/backends.ml", line 440, characters 6-59
+  Re-raised at Backends.Raise_backend.compile in file "arrayjit/lib/backends.ml", lines 439-440, characters 4-59
+  Re-raised at Backends.Raise_backend.compile in file "arrayjit/lib/backends.ml", lines 438-446, characters 26-99
+  Called from Ocannl__Train.run_once in file "lib/train.ml", line 551, characters 25-89
+  Re-raised at Ocannl__Train.run_once in file "lib/train.ml", lines 531-554, characters 25-17
+  Called from Ocannl__Train.forward_once in file "lib/train.ml", lines 566-569, characters 4-46
+  Called from Operations_tutorials__Test_threefry4x32.(fun).test_precision in file "test/operations/test_threefry4x32.ml", line 63, characters 11-63
+  Called from Operations_tutorials__Test_threefry4x32.(fun) in file "test/operations/test_threefry4x32.ml", line 72, characters 2-39
+  Called from Ppx_expect_runtime__Test_block.Configured.dump_backtrace in file "runtime/test_block.ml", line 142, characters 10-28
+
+  Trailing output
+  ---------------
+  Single precision - first value: 0.756113, second value: 0.758716
+  All values in [0, 1) range: true
+  |}]
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/d7a6209985397971164b6b1d80071cac/default/test/operations/zero2hero_1of7.ml.corrected
diff --git a/_build/default/test/operations/zero2hero_1of7.ml b/_build/.sandbox/d7a6209985397971164b6b1d80071cac/default/test/operations/zero2hero_1of7.ml.corrected
index 5caa1d9..3c85c4b 100644
--- a/_build/default/test/operations/zero2hero_1of7.ml
+++ b/_build/.sandbox/d7a6209985397971164b6b1d80071cac/default/test/operations/zero2hero_1of7.ml.corrected
@@ -273,21 +273,21 @@ let%expect_test "Simple gradients hosted" =
[%expect
{|
#12 *._l
-                        0.00
+                        -1.87e-14
#13 grad_*._l
-                        0.00
+                        -1.87e-14
#8 +_d                   │#10 f non-emb
-                  0.00                    │ -2.00
+                  -1.87e-14               │ -2.00
#9 grad_+_d              │#11 grad_f
-                  0.00                    │ 0.00
+                  -1.87e-14               │ -1.87e-14
#4 *._e            │#6 c non-emb│
-           0.00              │ 1.00e+1    │
+           -1.87e-14         │ 1.00e+1    │
#5 grad_*._e       │#7 grad_c   │
-           0.00              │ 0.00       │
+           -1.87e-14         │ -1.87e-14  │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     3.10e+37   │ -3.08e-13  │            │
|}];
(* 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
+                    -1.87e-14
#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>                       │ -1.87e-14
#4 *._e Virt/152       │#6 c non-emb│
<void>                 │ 1.00e+1    │
#5 grad_*._e Virt/40   │#7 grad_c   │
-      <void>                 │ 0.00       │
+      <void>                 │ -1.87e-14  │
#0 a non-emb│#2 b non-emb│            │
2.00       │ -3.00      │            │
#1 grad_a   │#3 grad_b   │            │
-     0.00       │ 0.00       │            │
+     3.00e+37   │ 3.10e+37   │            │
|}];
(* Do not update the params: all values and gradients will be at initial points, which are
specified in the tensor in the brackets. *)
"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1
2025-08-02 20:53.34: Job failed: Failed: Build failed