debian-12-4.14_arm64_opam-2.3

2025-05-17 15:44.17: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (da98794e7fc55064aafbd26aceee7f3316a4ab2b) (linux-arm64:debian-12-4.14_arm64_opam-2.3)
Base: ocaml/opam:debian-12-ocaml-4.14@sha256:c0f08bff6934c0c41c75e1917037d22623e4b78e2fedd5b4599f1d7637e93ee1
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ocaml-multicore/multicore-bench.git" -b "main" && cd "multicore-bench" && git reset --hard da98794e
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.14@sha256:c0f08bff6934c0c41c75e1917037d22623e4b78e2fedd5b4599f1d7637e93ee1
# debian-12-4.14_arm64_opam-2.3
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.3 /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 35eb2f107a989a2d623b0bbe170696398fcb9b1e || git fetch origin master) && git reset -q --hard 35eb2f107a989a2d623b0bbe170696398fcb9b1e && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 multicore-bench.opam ./
RUN opam pin add -yn multicore-bench.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.1.3.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.18.2 fmt.0.10.0 logs.0.8.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.12.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.0.8 yojson.2.2.2"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.3 --depext-only -y multicore-bench.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


2025-05-17 15:44.17: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:debian-12-ocaml-4.14@sha256:c0f08bff6934c0c41c75e1917037d22623e4b78e2fedd5b4599f1d7637e93ee1-debian-12-4.14_arm64_opam-2.3-ca79e40941293f2b07c18dfa608cc722"
2025-05-17 15:44.17: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.14@sha256:c0f08bff6934c0c41c75e1917037d22623e4b78e2fedd5b4599f1d7637e93ee1)
(comment debian-12-4.14_arm64_opam-2.3)
(user (uid 1000) (gid 1000))
(env CLICOLOR_FORCE 1)
(env OPAMCOLOR always)
(workdir /src)
(run (shell "sudo ln -f /usr/bin/opam-2.3 /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 35eb2f107a989a2d623b0bbe170696398fcb9b1e || git fetch origin master) && git reset -q --hard 35eb2f107a989a2d623b0bbe170696398fcb9b1e && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src multicore-bench.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn multicore-bench.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.1.3.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.18.2 fmt.0.10.0 logs.0.8.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.12.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.0.8 yojson.2.2.2")
(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=2.3 --depext-only -y multicore-bench.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"))
)


2025-05-17 15:44.17: Waiting for resource in pool OCluster
2025-05-17 15:44.17: Waiting for worker…
2025-05-17 15:44.17: Got resource from pool OCluster
Building on okypous.caelum.ci.dev
All commits already cached
HEAD is now at da98794 Avoid `broadcast` in `Bounded_q` benchmark


(from ocaml/opam:debian-12-ocaml-4.14@sha256:c0f08bff6934c0c41c75e1917037d22623e4b78e2fedd5b4599f1d7637e93ee1)
Unable to find image 'ocaml/opam:debian-12-ocaml-4.14@sha256:c0f08bff6934c0c41c75e1917037d22623e4b78e2fedd5b4599f1d7637e93ee1' locally
docker.io/ocaml/opam@sha256:c0f08bff6934c0c41c75e1917037d22623e4b78e2fedd5b4599f1d7637e93ee1: Pulling from ocaml/opam
67ae01f24662: Pulling fs layer
67ae01f24662: Verifying Checksum
67ae01f24662: Download complete
67ae01f24662: Pull complete
Digest: sha256:c0f08bff6934c0c41c75e1917037d22623e4b78e2fedd5b4599f1d7637e93ee1
Status: Downloaded newer image for ocaml/opam@sha256:c0f08bff6934c0c41c75e1917037d22623e4b78e2fedd5b4599f1d7637e93ee1
2025-05-17 15:44.18 ---> using "70b87564ddaf8d2729e92df8b74c93af7b23ff471871b8ee12b5c461da3c8b6a" from cache


/: (comment debian-12-4.14_arm64_opam-2.3)


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


/: (env CLICOLOR_FORCE 1)


/: (env OPAMCOLOR always)


/: (workdir /src)


/src: (run (shell "sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-05-17 15:44.18 ---> using "42463edb7c06923c2cd5a46868618651927344a6ad2142ff8a98d2866be8ddce" 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 development 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
2025-05-17 15:44.18 ---> using "198c3bb951072c1dfc25299eba488394c40d483446ff00552f35a2e5fe19a639" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-134-generic
The OCaml toplevel, version 4.14.2
2.3.0
2025-05-17 15:44.18 ---> using "bb829b106e54e7f97d157fd78985dbd577ac5fd9cbee2f0d04226cfc10014df7" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-05-17 15:44.18 ---> using "8c9e9565fd6abad7ca878f73313f82ebed354682823c3f862879dbc84893a132" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 35eb2f107a989a2d623b0bbe170696398fcb9b1e || git fetch origin master) && git reset -q --hard 35eb2f107a989a2d623b0bbe170696398fcb9b1e && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
34a3fc46c3..35eb2f107a  master     -> origin/master
35eb2f107a Merge pull request #27838 from maiste/release-dune-3.18.2


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


Everything as up-to-date as possible (run with --verbose to show unavailable upgrades).
However, you may "opam upgrade" these packages explicitly, which will ask permission to downgrade or uninstall the conflicting packages.
Nothing to do.
# To update the current shell environment, run: eval $(opam env)
2025-05-17 15:44.18 ---> using "11ac0d0dff883482d7dcb12ca18bac8ac279943a3d65360978cd14dc225a3206" from cache


/src: (copy (src multicore-bench.opam) (dst ./))
2025-05-17 15:44.18 ---> using "d1715415b1f5b1f3c042b063be83e168aa4cb95b43d9e427fa7ada80238aa6a2" from cache


/src: (run (network host)
(shell "opam pin add -yn multicore-bench.dev './'"))
[multicore-bench.dev] synchronised (file:///src)
multicore-bench is now pinned to file:///src (version dev)
2025-05-17 15:44.18 ---> using "962f053f9d30945561b006a1e764ae957c610c546fe25681e6bc12fd49545fdc" from cache


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-05-17 15:44.18 ---> using "e5c1c1af667fa796080bd8f9603444908bee11ff8c3df226aa7380390420b509" from cache


/src: (env DEPS "astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.1.3.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.18.2 fmt.0.10.0 logs.0.8.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.12.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.0.8 yojson.2.2.2")


/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=2.3 --depext-only -y multicore-bench.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-security bookworm-security/main arm64 Packages [253 kB]
- Fetched 357 kB in 0s (868 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[multicore-bench.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 2).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).
[NOTE] Package ocaml is already installed (current version is 4.14.2).
[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-bigarray is already installed (current version is base).
2025-05-17 15:44.18 ---> using "16c674c98ddfd3cc2e7abdd11c8cd4eb51d29eece3c0a3c7ae9d915ab6daf3e7" 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 2).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).
[NOTE] Package ocaml is already installed (current version is 4.14.2).
[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-bigarray is already installed (current version is base).
The following actions will be performed:
=== install 23 packages
- install astring            0.8.5
- install backoff            0.1.1
- install camlp-streams      5.0.1
- install cmdliner           1.3.0
- install cppo               1.8.0
- install csexp              1.5.2
- install domain-local-await 1.0.1
- install domain_shims       0.1.0
- install dune               3.18.2
- install fmt                0.10.0
- install logs               0.8.0
- install mdx                2.5.0
- install mtime              2.1.0
- install multicore-magic    2.3.1
- install ocaml-version      4.0.0
- install ocamlbuild         0.16.1
- install ocamlfind          1.9.8
- install re                 1.12.0
- install result             1.5
- install seq                base
- install thread-table       1.0.0
- install topkg              1.0.8
- install yojson             2.2.2


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved backoff.0.1.1  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved cmdliner.1.3.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved domain-local-await.1.0.1  (cached)
-> retrieved domain_shims.0.1.0  (cached)
-> retrieved fmt.0.10.0  (cached)
-> retrieved logs.0.8.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved mdx.2.5.0  (cached)
-> retrieved multicore-magic.2.3.1  (cached)
-> retrieved ocaml-version.4.0.0  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved re.1.12.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved result.1.5  (cached)
-> retrieved thread-table.1.0.0  (cached)
-> retrieved topkg.1.0.8  (cached)
-> retrieved yojson.2.2.2  (cached)
-> retrieved dune.3.18.2  (cached)
-> installed cmdliner.1.3.0
-> installed ocamlbuild.0.16.1
-> installed ocamlfind.1.9.8
-> installed topkg.1.0.8
-> installed mtime.2.1.0
-> installed fmt.0.10.0
-> installed astring.0.8.5
-> installed logs.0.8.0
-> installed dune.3.18.2
-> installed domain_shims.0.1.0
-> installed camlp-streams.5.0.1
-> installed backoff.0.1.1
-> installed result.1.5
-> installed csexp.1.5.2
-> installed thread-table.1.0.0
-> installed multicore-magic.2.3.1
-> installed domain-local-await.1.0.1
-> installed ocaml-version.4.0.0
-> installed re.1.12.0
-> installed cppo.1.8.0
-> installed yojson.2.2.2
-> installed mdx.2.5.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-05-17 15:44.18 ---> using "4a3bd87e91a8ef19561dca6029bd6933dc84154f5ae8ed2ca0e7bfd192728fa3" from cache


/src: (copy (src .) (dst /src))
2025-05-17 15:44.18 ---> using "eba636c989dfae4be7bf18e85fb17312ede659e2c0298455a44566c26f8ad608" from cache


/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
(cd _build/default/bench && ./main.exe -brief)
Atomic:
ops over time/cas int:
232.04 M/s
ops over time/get:
760.73 M/s
ops over time/incr:
419.60 M/s
ops over time/push & pop:
96.81 M/s
ops over time/swap:
104.04 M/s
ops over time/xchg int:
227.98 M/s
time per op/cas int:
4.31 ns
time per op/get:
1.31 ns
time per op/incr:
2.38 ns
time per op/push & pop:
10.33 ns
time per op/swap:
9.61 ns
time per op/xchg int:
4.39 ns
Atomic incr:
ops over time/CAS, 1 domains:
215.98 M/s
ops over time/CAS with backoff, 1 domains:
193.14 M/s
ops over time/Incr, 1 domains:
234.94 M/s
time per op/CAS, 1 domains:
4.63 ns
time per op/CAS with backoff, 1 domains:
5.18 ns
time per op/Incr, 1 domains:
4.26 ns
Bounded_q:
messages over time/one domain:
13.28 M/s
time per message/one domain:
75.32 ns
Hashtbl:
operations over time/1 worker, 10% reads:
15.25 M/s
operations over time/1 worker, 50% reads:
11.68 M/s
operations over time/1 worker, 90% reads:
17.24 M/s
operations over time/2 workers, 10% reads:
15.10 M/s
operations over time/2 workers, 50% reads:
14.93 M/s
operations over time/2 workers, 90% reads:
16.83 M/s
operations over time/4 workers, 10% reads:
9.29 M/s
operations over time/4 workers, 50% reads:
8.51 M/s
operations over time/4 workers, 90% reads:
7.53 M/s
operations over time/8 workers, 10% reads:
6.27 M/s
operations over time/8 workers, 50% reads:
6.54 M/s
operations over time/8 workers, 90% reads:
6.89 M/s
operations over time/one domain, 10% reads:
24.41 M/s
operations over time/one domain, 50% reads:
25.11 M/s
operations over time/one domain, 90% reads:
32.80 M/s
time per operation/1 worker, 10% reads:
65.58 ns
time per operation/1 worker, 50% reads:
85.58 ns
time per operation/1 worker, 90% reads:
58.00 ns
time per operation/2 workers, 10% reads:
132.46 ns
time per operation/2 workers, 50% reads:
133.96 ns
time per operation/2 workers, 90% reads:
118.84 ns
time per operation/4 workers, 10% reads:
430.55 ns
time per operation/4 workers, 50% reads:
469.90 ns
time per operation/4 workers, 90% reads:
531.27 ns
time per operation/8 workers, 10% reads:
1275.09 ns
time per operation/8 workers, 50% reads:
1223.14 ns
time per operation/8 workers, 90% reads:
1161.22 ns
time per operation/one domain, 10% reads:
40.97 ns
time per operation/one domain, 50% reads:
39.82 ns
time per operation/one domain, 90% reads:
30.49 ns
Queue:
messages over time/one domain:
39.58 M/s
time per message/one domain:
25.26 ns
Ref with Mutex:
ops over time/cas int:
37.02 M/s
ops over time/get:
41.46 M/s
ops over time/incr:
42.06 M/s
ops over time/push & pop:
36.35 M/s
ops over time/swap:
35.90 M/s
ops over time/xchg int:
36.58 M/s
time per op/cas int:
27.01 ns
time per op/get:
24.12 ns
time per op/incr:
23.78 ns
time per op/push & pop:
27.51 ns
time per op/swap:
27.85 ns
time per op/xchg int:
27.34 ns
Ref with [@poll error]:
ops over time/cas int:
230.54 M/s
ops over time/get:
774.49 M/s
ops over time/incr:
531.69 M/s
ops over time/push & pop:
89.72 M/s
ops over time/swap:
101.82 M/s
ops over time/xchg int:
238.96 M/s
time per op/cas int:
4.34 ns
time per op/get:
1.29 ns
time per op/incr:
1.88 ns
time per op/push & pop:
11.15 ns
time per op/swap:
9.82 ns
time per op/xchg int:
4.18 ns
Stack:
messages over time/one domain:
44.63 M/s
time per message/one domain:
22.41 ns
Unix:
blocking reads over time/1 worker:
0.64 M/s
time per blocking read/1 worker:
1564.60 ns
2025-05-17 15:44.18 ---> using "307d1cb8065e5d46e0c5fd9bd95ca298ec522de54b285b49b4351ab8054ea500" from cache
Job succeeded
2025-05-17 15:44.18: Job succeeded