2025-06-14 20:09.10: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (openbsd-amd64:openbsd-76-amd64-4.14_opam-2.3)
Base: openbsd-76-amd64-ocaml-4.14
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 efb15d85
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM openbsd-76-amd64-ocaml-4.14
# openbsd-76-amd64-4.14_opam-2.3
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
RUN doas ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN uname -rs && opam exec -- ocaml -version && opam --version
RUN cd ~/opam-repository && (git cat-file -e a28eb8a148feb4fbc6466fa0791668993513dbde || git fetch origin master) && git reset -q --hard a28eb8a148feb4fbc6466fa0791668993513dbde && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 multicore-bench.opam /home/opam/src/./
RUN opam pin add -yn multicore-bench.dev '/home/opam/src/./'
RUN echo '(lang dune 3.0)' > '/home/opam/src/./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.3.19.1 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.4.0.1 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.3.0.0"
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 . /home/opam/src
RUN cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build
END-OF-DOCKERFILE
docker build .
END-REPRO-BLOCK
2025-06-14 20:09.10: Using cache hint "ocaml-multicore/multicore-bench-openbsd-76-amd64-ocaml-4.14-openbsd-76-amd64-4.14_opam-2.3-5e4c8ffe3a82688c609d0a76996fa04b"
2025-06-14 20:09.10: Using OBuilder spec:
((from openbsd-76-amd64-ocaml-4.14)
(comment openbsd-76-amd64-4.14_opam-2.3)
(user (uid 1000) (gid 1000))
(env CLICOLOR_FORCE 1)
(env OPAMCOLOR always)
(run (shell "doas 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"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e a28eb8a148feb4fbc6466fa0791668993513dbde || git fetch origin master) && git reset -q --hard a28eb8a148feb4fbc6466fa0791668993513dbde && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src multicore-bench.opam) (dst /home/opam/src/./))
(run (network host)
(shell "opam pin add -yn multicore-bench.dev '/home/opam/src/./'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > '/home/opam/src/./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.3.19.1 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.4.0.1 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.3.0.0")
(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=2.3 --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 /home/opam/src))
(run (shell "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build"))
)
2025-06-14 20:09.10: Waiting for resource in pool OCluster
2025-06-14 20:09.10: Waiting for worker…
2025-06-14 20:09.10: Got resource from pool OCluster
Building on oregano
All commits already cached
HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll
(from openbsd-76-amd64-ocaml-4.14)
2025-06-14 20:09.11 ---> using "273e81235ea8a6b452476629509f5a1e49a129b613e30bfb7515f80881f75048" from cache
/: (comment openbsd-76-amd64-4.14_opam-2.3)
/: (user (uid 1000) (gid 1000))
/: (env CLICOLOR_FORCE 1)
/: (env OPAMCOLOR always)
/: (run (shell "doas ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-06-14 20:09.11 ---> using "8f4c505b74dc31d91c5d30f3e3d123c2567bb97ae9c1708d719a97f14994a2cb" from cache
/: (run (shell "opam init --reinit -ni"))
No configuration file found, using 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.
<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from file:///home/opam/opam-repository
2025-06-14 20:09.11 ---> using "b66ba35f8a9a53257673fce4c0b7f7307b571514bb7b92fa06cc7e407f80f85e" from cache
/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
OpenBSD 7.6
The OCaml toplevel, version 4.14.2
2.3.0
2025-06-14 20:09.11 ---> using "136946daf17d74755f97e0e0d17c355664b0b582f53f270159dfd90ff2a9858b" from cache
/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e a28eb8a148feb4fbc6466fa0791668993513dbde || git fetch origin master) && git reset -q --hard a28eb8a148feb4fbc6466fa0791668993513dbde && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch master -> FETCH_HEAD
727427c1e7..a28eb8a148 master -> origin/master
a28eb8a148 Merge pull request #28017 from maiste/release-dune-3.19.1
<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from 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)
2025-06-14 20:09.11 ---> using "a77e8bfa3d5268311e95ce8032dc2820d043de2635800f76e4216e4afa6e335f" from cache
/: (copy (src multicore-bench.opam) (dst /home/opam/src/./))
2025-06-14 20:09.11 ---> using "497c286061eaea983f193b380deaf64e7423b7531eb4b8f20a5bb7d0381b17ba" from cache
/: (run (network host)
(shell "opam pin add -yn multicore-bench.dev '/home/opam/src/./'"))
[multicore-bench.dev] synchronised (file:///home/opam/src)
multicore-bench is now pinned to file:///home/opam/src (version dev)
2025-06-14 20:09.11 ---> using "a8f609f86b3cb2d5d04b43e8aa8fbb7679e5c438569b2c94f40bad8fb5fdc94d" from cache
/: (run (network host)
(shell "echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'"))
2025-06-14 20:09.11 ---> using "a1199e464f86203b411240f9ba8434385b794cd6b27558e8ae1ff41061cc8b3b" from cache
/: (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.3.19.1 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.4.0.1 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.3.0.0")
/: (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=2.3 --depext-only -y multicore-bench.dev $DEPS"))
[WARNING] Unknown update command for bsd, skipping system update
<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[multicore-bench.dev] synchronised (file:///home/opam/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).
2025-06-14 20:09.11 ---> using "4ef4593bcbb09ee47d22d7aef903e5b092c0e4ee96a43659dbe8e85e42f422f1" from cache
/: (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 3.19.1
- 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 4.0.1
- 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 3.0.0
<><> 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 domain-local-await.1.0.1 (cached)
-> retrieved csexp.1.5.2 (cached)
-> retrieved domain_shims.0.1.0 (cached)
-> retrieved cppo.1.8.0 (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.4.0.1 (cached)
-> retrieved ocamlfind.1.9.8 (cached)
-> retrieved ocamlbuild.0.16.1 (cached)
-> retrieved re.1.12.0 (cached)
-> retrieved seq.base (cached)
-> retrieved result.1.5 (cached)
-> retrieved thread-table.1.0.0 (cached)
-> retrieved topkg.1.0.8 (cached)
-> retrieved yojson.3.0.0 (cached)
-> retrieved dune.3.19.1 (cached)
-> installed cmdliner.1.3.0
-> installed dune.3.19.1
-> installed ocamlbuild.0.16.1
-> installed backoff.0.1.1
-> installed camlp-streams.5.0.1
-> installed cppo.1.8.0
-> installed csexp.1.5.2
-> installed domain_shims.0.1.0
-> installed multicore-magic.2.3.1
-> installed ocaml-version.4.0.1
-> installed ocamlfind.1.9.8
-> installed result.1.5
-> installed seq.base
-> installed thread-table.1.0.0
-> installed re.1.12.0
-> installed domain-local-await.1.0.1
-> installed topkg.1.0.8
-> installed yojson.3.0.0
-> installed astring.0.8.5
-> installed fmt.0.10.0
-> installed mtime.2.1.0
-> installed logs.0.8.0
-> installed mdx.2.5.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-06-14 20:09.11 ---> using "a40f9842d3441eb69437b3330a7fa5146d202c38e07d4a01ecb2aa6b35439e11" from cache
/: (copy (src .) (dst /home/opam/src))
2025-06-14 20:09.11 ---> using "27eea93e88af28fe08e94646e17829a5a3e463c1d68e3ad1b4f6bfd0c3e3335f" from cache
/: (run (shell "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build"))
(cd _build/default/bench && ./main.exe -brief)
Atomic:
ops over time/cas int:
145.45 M/s
ops over time/get:
2070.08 M/s
ops over time/incr:
317.21 M/s
ops over time/push & pop:
73.96 M/s
ops over time/swap:
87.53 M/s
ops over time/xchg int:
159.83 M/s
time per op/cas int:
6.87 ns
time per op/get:
0.48 ns
time per op/incr:
3.15 ns
time per op/push & pop:
13.52 ns
time per op/swap:
11.42 ns
time per op/xchg int:
6.26 ns
Atomic incr:
ops over time/CAS, 1 domains:
146.82 M/s
ops over time/CAS with backoff, 1 domains:
148.20 M/s
ops over time/Incr, 1 domains:
334.50 M/s
time per op/CAS, 1 domains:
6.81 ns
time per op/CAS with backoff, 1 domains:
6.75 ns
time per op/Incr, 1 domains:
2.99 ns
Bounded_q:
messages over time/one domain:
7.07 M/s
time per message/one domain:
141.51 ns
Hashtbl:
operations over time/1 worker, 10% reads:
8.59 M/s
operations over time/1 worker, 50% reads:
10.09 M/s
operations over time/1 worker, 90% reads:
10.67 M/s
operations over time/2 workers, 10% reads:
8.70 M/s
operations over time/2 workers, 50% reads:
10.14 M/s
operations over time/2 workers, 90% reads:
10.74 M/s
operations over time/4 workers, 10% reads:
8.35 M/s
operations over time/4 workers, 50% reads:
9.86 M/s
operations over time/4 workers, 90% reads:
10.52 M/s
operations over time/8 workers, 10% reads:
8.15 M/s
operations over time/8 workers, 50% reads:
9.70 M/s
operations over time/8 workers, 90% reads:
10.22 M/s
operations over time/one domain, 10% reads:
18.65 M/s
operations over time/one domain, 50% reads:
18.71 M/s
operations over time/one domain, 90% reads:
20.58 M/s
time per operation/1 worker, 10% reads:
116.45 ns
time per operation/1 worker, 50% reads:
99.08 ns
time per operation/1 worker, 90% reads:
93.72 ns
time per operation/2 workers, 10% reads:
229.89 ns
time per operation/2 workers, 50% reads:
197.23 ns
time per operation/2 workers, 90% reads:
186.24 ns
time per operation/4 workers, 10% reads:
479.11 ns
time per operation/4 workers, 50% reads:
405.63 ns
time per operation/4 workers, 90% reads:
380.38 ns
time per operation/8 workers, 10% reads:
981.66 ns
time per operation/8 workers, 50% reads:
824.85 ns
time per operation/8 workers, 90% reads:
782.59 ns
time per operation/one domain, 10% reads:
53.61 ns
time per operation/one domain, 50% reads:
53.46 ns
time per operation/one domain, 90% reads:
48.59 ns
Queue:
messages over time/one domain:
29.30 M/s
time per message/one domain:
34.13 ns
Ref with Mutex:
ops over time/cas int:
19.32 M/s
ops over time/get:
20.62 M/s
ops over time/incr:
20.56 M/s
ops over time/push & pop:
18.23 M/s
ops over time/swap:
17.02 M/s
ops over time/xchg int:
18.76 M/s
time per op/cas int:
51.77 ns
time per op/get:
48.50 ns
time per op/incr:
48.65 ns
time per op/push & pop:
54.87 ns
time per op/swap:
58.76 ns
time per op/xchg int:
53.31 ns
Ref with [@poll error]:
ops over time/cas int:
172.45 M/s
ops over time/get:
2379.42 M/s
ops over time/incr:
494.55 M/s
ops over time/push & pop:
84.40 M/s
ops over time/swap:
97.68 M/s
ops over time/xchg int:
172.12 M/s
time per op/cas int:
5.80 ns
time per op/get:
0.42 ns
time per op/incr:
2.02 ns
time per op/push & pop:
11.85 ns
time per op/swap:
10.24 ns
time per op/xchg int:
5.81 ns
Stack:
messages over time/one domain:
38.51 M/s
time per message/one domain:
25.97 ns
Unix:
blocking reads over time/1 worker:
0.24 M/s
time per blocking read/1 worker:
4213.41 ns
2025-06-14 20:09.11 ---> using "689480cb3c66c14b1cda4f16a80ffabc07722e7a8df6b902f2922267414e4307" from cache
Job succeeded
2025-06-14 20:09.11: Job succeeded