debian-12-5.3_s390x_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-s390x:debian-12-5.3_s390x_opam-2.3)
Base: ocaml/opam:debian-12-ocaml-5.3@sha256:79cf383a3f962334cd40196e1ab01e7be12ee3087125924dd51f6a5a981881b6
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-5.3@sha256:79cf383a3f962334cd40196e1ab01e7be12ee3087125924dd51f6a5a981881b6
# debian-12-5.3_s390x_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-domains.base base-effects.base base-nnp.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.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-config.3 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-5.3@sha256:79cf383a3f962334cd40196e1ab01e7be12ee3087125924dd51f6a5a981881b6-debian-12-5.3_s390x_opam-2.3-fdb66d4783b2d787160404816b7d94dd"
2025-05-17 15:44.17: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.3@sha256:79cf383a3f962334cd40196e1ab01e7be12ee3087125924dd51f6a5a981881b6)
(comment debian-12-5.3_s390x_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-domains.base base-effects.base base-nnp.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.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-config.3 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 17:42.15: Got resource from pool OCluster
Building on s390x-worker-01.marist.ci.dev
HEAD is now at adb1f6a Bench queues and stacks with heap allocated blocks
HEAD is now at da98794 Avoid `broadcast` in `Bounded_q` benchmark


(from ocaml/opam:debian-12-ocaml-5.3@sha256:79cf383a3f962334cd40196e1ab01e7be12ee3087125924dd51f6a5a981881b6)
Unable to find image 'ocaml/opam:debian-12-ocaml-5.3@sha256:79cf383a3f962334cd40196e1ab01e7be12ee3087125924dd51f6a5a981881b6' locally
docker.io/ocaml/opam@sha256:79cf383a3f962334cd40196e1ab01e7be12ee3087125924dd51f6a5a981881b6: Pulling from ocaml/opam
Digest: sha256:79cf383a3f962334cd40196e1ab01e7be12ee3087125924dd51f6a5a981881b6
Status: Downloaded newer image for ocaml/opam@sha256:79cf383a3f962334cd40196e1ab01e7be12ee3087125924dd51f6a5a981881b6
2025-05-17 17:42.17 ---> using "491891959db966101dcf416ea25e6f09d9dc9ecee46bbb62f0c6adf578d1f872" from cache


/: (comment debian-12-5.3_s390x_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 17:42.18 ---> using "cee299d3e127c9819ce477f372ffb6cf3f55e66f98d6f5efd1a11de0ebe49cf6" from cache


/src: (run (shell "opam init --reinit -ni"))
Configuring from /home/opam/.opamrc and then from built-in defaults.
Checking for available remotes: 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.


rsync and local, git.
- you won't be able to use mercurial repositories unless you install the hg command on your system.
- you won't be able to use darcs repositories unless you install the darcs command on your system.


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


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-05-17 17:42.18 ---> using "f525d09ae810b410811f69337520dfb8567e00cd4b36a23c446a5ce4fe2500d8" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-55-generic
The OCaml toplevel, version 5.3.0
2.3.0
2025-05-17 17:42.18 ---> using "349e15f4d58ef18ec4ef1091051b656408727f00a50952dad57d51d2b157d693" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-05-17 17:42.18 ---> using "0a74076a01ff2a34196765a615c021ba0e000842d7acd8f87665b64b2b3f897b" 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"))
35eb2f107a Merge pull request #27838 from maiste/release-dune-3.18.2


<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] no changes 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 17:42.18 ---> using "97881187db121c6b6962a2d5cb48e99afd146aa186fcaf169a3f2dedd8556cd7" from cache


/src: (copy (src multicore-bench.opam) (dst ./))
2025-05-17 17:42.48 ---> saved as "20c629e222ef27e1d6e1e59cefd273cf8dff06fffed1fe978580507d7c46e3ad"


/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 17:43.26 ---> saved as "2b187075f067061e1957d4492c99d4e1a15677a8f119efdfa5c0157eb73be7a7"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-05-17 17:43.31 ---> saved as "2d4fe4f5aef35f056249b65090fc249e47fe882a9dd2eb8e478d0fd064ccb2d4"


/src: (env DEPS "astring.0.8.5 backoff.0.1.1 base-bigarray.base base-domains.base base-effects.base base-nnp.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.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-config.3 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"
- Get:1 http://deb.debian.org/debian bookworm InRelease [151 kB]
- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
- Get:4 http://deb.debian.org/debian bookworm/main s390x Packages [8458 kB]
- Get:5 http://deb.debian.org/debian-security bookworm-security/main s390x Packages [228 kB]
- Fetched 8940 kB in 4s (2388 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 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).
2025-05-17 17:44.27 ---> saved as "00761e037efc861e7e47288d843a4d4dee59388214498facfde383089dc3cb81"


/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 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 astring.0.8.5  (cached)
-> retrieved camlp-streams.5.0.1  (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 mdx.2.5.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved multicore-magic.2.3.1  (cached)
-> retrieved ocaml-version.4.0.0  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved dune.3.18.2  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved seq.base  (cached)
-> retrieved re.1.12.0  (cached)
-> retrieved result.1.5  (cached)
-> retrieved thread-table.1.0.0  (cached)
-> retrieved topkg.1.0.8  (cached)
-> retrieved yojson.2.2.2  (cached)
-> installed cmdliner.1.3.0
-> installed ocamlbuild.0.16.1
-> installed seq.base
-> installed ocamlfind.1.9.8
-> installed topkg.1.0.8
-> installed fmt.0.10.0
-> installed astring.0.8.5
-> installed mtime.2.1.0
-> installed logs.0.8.0
-> installed dune.3.18.2
-> installed backoff.0.1.1
-> installed camlp-streams.5.0.1
-> installed csexp.1.5.2
-> installed domain_shims.0.1.0
-> installed multicore-magic.2.3.1
-> installed ocaml-version.4.0.0
-> installed cppo.1.8.0
-> installed result.1.5
-> installed thread-table.1.0.0
-> installed domain-local-await.1.0.1
-> installed re.1.12.0
-> installed yojson.2.2.2
-> installed mdx.2.5.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-05-17 17:47.09 ---> saved as "ac9b6e494dfa4c9ea0a9b34e947731c56dcb66dd53d2d568c7a12e8f6f6f74c0"


/src: (copy (src .) (dst /src))
2025-05-17 17:47.24 ---> saved as "32029db8a0e21dffa2f98ba732a1cf515012802cd2713b84c1cad8beb391d40c"


/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:
219.10 M/s
ops over time/get:
604.17 M/s
ops over time/incr:
356.73 M/s
ops over time/push & pop:
53.44 M/s
ops over time/swap:
128.38 M/s
ops over time/xchg int:
226.19 M/s
time per op/cas int:
4.56 ns
time per op/get:
1.66 ns
time per op/incr:
2.80 ns
time per op/push & pop:
18.71 ns
time per op/swap:
7.79 ns
time per op/xchg int:
4.42 ns
Atomic incr:
ops over time/CAS, 1 domains:
224.50 M/s
ops over time/CAS, 2 domains:
168.58 M/s
ops over time/CAS, 4 domains:
67.64 M/s
ops over time/CAS with backoff, 1 domains:
223.28 M/s
ops over time/CAS with backoff, 2 domains:
169.66 M/s
ops over time/CAS with backoff, 4 domains:
122.88 M/s
ops over time/Incr, 1 domains:
390.44 M/s
ops over time/Incr, 2 domains:
346.42 M/s
ops over time/Incr, 4 domains:
266.82 M/s
time per op/CAS, 1 domains:
4.45 ns
time per op/CAS, 2 domains:
11.86 ns
time per op/CAS, 4 domains:
59.14 ns
time per op/CAS with backoff, 1 domains:
4.48 ns
time per op/CAS with backoff, 2 domains:
11.79 ns
time per op/CAS with backoff, 4 domains:
32.55 ns
time per op/Incr, 1 domains:
2.56 ns
time per op/Incr, 2 domains:
5.77 ns
time per op/Incr, 4 domains:
14.99 ns
Bounded_q:
messages over time/1 adder, 1 taker:
11.82 M/s
messages over time/1 adder, 2 takers:
6.15 M/s
messages over time/2 adders, 1 taker:
4.38 M/s
messages over time/2 adders, 2 takers:
3.98 M/s
messages over time/one domain:
2.62 M/s
time per message/1 adder, 1 taker:
169.19 ns
time per message/1 adder, 2 takers:
487.76 ns
time per message/2 adders, 1 taker:
685.54 ns
time per message/2 adders, 2 takers:
1006.03 ns
time per message/one domain:
382.28 ns
Hashtbl:
operations over time/1 worker, 10% reads:
18.72 M/s
operations over time/1 worker, 50% reads:
19.24 M/s
operations over time/1 worker, 90% reads:
21.66 M/s
operations over time/2 workers, 10% reads:
10.50 M/s
operations over time/2 workers, 50% reads:
13.12 M/s
operations over time/2 workers, 90% reads:
14.96 M/s
operations over time/4 workers, 10% reads:
8.12 M/s
operations over time/4 workers, 50% reads:
9.04 M/s
operations over time/4 workers, 90% reads:
11.02 M/s
operations over time/8 workers, 10% reads:
4.86 M/s
operations over time/8 workers, 50% reads:
6.17 M/s
operations over time/8 workers, 90% reads:
7.42 M/s
operations over time/one domain, 10% reads:
18.70 M/s
operations over time/one domain, 50% reads:
20.12 M/s
operations over time/one domain, 90% reads:
36.79 M/s
time per operation/1 worker, 10% reads:
53.43 ns
time per operation/1 worker, 50% reads:
51.98 ns
time per operation/1 worker, 90% reads:
46.16 ns
time per operation/2 workers, 10% reads:
190.53 ns
time per operation/2 workers, 50% reads:
152.48 ns
time per operation/2 workers, 90% reads:
133.69 ns
time per operation/4 workers, 10% reads:
492.33 ns
time per operation/4 workers, 50% reads:
442.63 ns
time per operation/4 workers, 90% reads:
362.85 ns
time per operation/8 workers, 10% reads:
1647.02 ns
time per operation/8 workers, 50% reads:
1295.81 ns
time per operation/8 workers, 90% reads:
1077.49 ns
time per operation/one domain, 10% reads:
53.47 ns
time per operation/one domain, 50% reads:
49.71 ns
time per operation/one domain, 90% reads:
27.18 ns
Queue:
messages over time/one domain:
29.99 M/s
time per message/one domain:
33.35 ns
Ref with Mutex:
ops over time/cas int:
50.73 M/s
ops over time/get:
63.69 M/s
ops over time/incr:
55.07 M/s
ops over time/push & pop:
3.81 M/s
ops over time/swap:
48.36 M/s
ops over time/xchg int:
50.67 M/s
time per op/cas int:
19.71 ns
time per op/get:
15.70 ns
time per op/incr:
18.16 ns
time per op/push & pop:
262.35 ns
time per op/swap:
20.68 ns
time per op/xchg int:
19.74 ns
Ref with [@poll error]:
ops over time/cas int:
76.12 M/s
ops over time/get:
411.83 M/s
ops over time/incr:
471.22 M/s
ops over time/push & pop:
7.65 M/s
ops over time/swap:
126.04 M/s
ops over time/xchg int:
182.62 M/s
time per op/cas int:
13.14 ns
time per op/get:
2.43 ns
time per op/incr:
2.12 ns
time per op/push & pop:
130.64 ns
time per op/swap:
7.93 ns
time per op/xchg int:
5.48 ns
Stack:
messages over time/one domain:
24.34 M/s
time per message/one domain:
41.09 ns
Unix:
blocking reads over time/1 worker:
2.37 M/s
blocking reads over time/2 workers:
2.23 M/s
blocking reads over time/4 workers:
9.03 M/s
time per blocking read/1 worker:
422.12 ns
time per blocking read/2 workers:
897.87 ns
time per blocking read/4 workers:
442.88 ns
2025-05-17 17:48.45 ---> saved as "e9035bede7eae64b0f67d5d6f3e1e6774d9b14b57c73739acf5dea9fcceac7a3"
Job succeeded
2025-05-17 17:48.46: Job succeeded