2025-06-17 18:28.27: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (linux-x86_64:ubuntu-24.04-4.14_opam-2.3)
Base: ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:3dbac5def7b0152a5bc0ed65bbf067083686f3255a31bec492079c20a2c9b498
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 ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:3dbac5def7b0152a5bc0ed65bbf067083686f3255a31bec492079c20a2c9b498
# ubuntu-24.04-4.14_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 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 ./
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.3.19.1 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 . /src
RUN opam exec -- dune build @install @check @runtest && rm -rf _build
END-OF-DOCKERFILE
docker build .
END-REPRO-BLOCK
2025-06-17 18:28.27: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:3dbac5def7b0152a5bc0ed65bbf067083686f3255a31bec492079c20a2c9b498-ubuntu-24.04-4.14_opam-2.3-5e4c8ffe3a82688c609d0a76996fa04b"
2025-06-17 18:28.27: Using OBuilder spec:
((from ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:3dbac5def7b0152a5bc0ed65bbf067083686f3255a31bec492079c20a2c9b498)
(comment ubuntu-24.04-4.14_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 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 ./))
(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.3.19.1 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 /src))
(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
)
2025-06-17 18:28.27: Waiting for resource in pool OCluster
2025-06-17 20:20.42: Waiting for worker…
2025-06-17 20:23.51: Got resource from pool OCluster
Building on doris.caelum.ci.dev
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
Initialized empty Git repository in /var/cache/obuilder/ocluster/git/multicore-bench.git-b64f3a44a0cd11cb5d9a386b4ded860bff164371/.git/
HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll
(from ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:3dbac5def7b0152a5bc0ed65bbf067083686f3255a31bec492079c20a2c9b498)
Unable to find image 'ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:3dbac5def7b0152a5bc0ed65bbf067083686f3255a31bec492079c20a2c9b498' locally
docker.io/ocaml/opam@sha256:3dbac5def7b0152a5bc0ed65bbf067083686f3255a31bec492079c20a2c9b498: Pulling from ocaml/opam
51010dba58bd: Pulling fs layer
51010dba58bd: Verifying Checksum
51010dba58bd: Download complete
51010dba58bd: Pull complete
Digest: sha256:3dbac5def7b0152a5bc0ed65bbf067083686f3255a31bec492079c20a2c9b498
Status: Downloaded newer image for ocaml/opam@sha256:3dbac5def7b0152a5bc0ed65bbf067083686f3255a31bec492079c20a2c9b498
2025-06-17 20:23.52 ---> using "e5afc2ae3625d287ff6ad11e1ee8e8c8b323aef4830c05f394017983edb5ece1" from cache
/: (comment ubuntu-24.04-4.14_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"))
2025-06-17 20:23.52 ---> using "5378c45e1f53f35b8a2cc57978b8510a8e388e87b11ddebc0a2ef8672782fc07" 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
2025-06-17 20:23.52 ---> using "870a79a9cdb1deb7840ad725d9ab2efecd423034bce03d66f2a18be97b573a87" from cache
/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-141-generic
The OCaml toplevel, version 4.14.2
2.3.0
2025-06-17 20:23.52 ---> using "10bc4f77583933fc22d09fff3b6119e5ecf7914e9ab7174dfb7ce9292e5cbc7a" from cache
/src: (workdir /src)
/src: (run (shell "sudo chown opam /src"))
2025-06-17 20:23.52 ---> using "929a7cbd5251e9c159ca9dac600cdedb0ee70ea98d87bda1e61823b61e3558c1" from cache
/src: (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"))
a28eb8a148 Merge pull request #28017 from maiste/release-dune-3.19.1
<><> 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)
2025-06-17 20:23.52 ---> using "b40e04ac7123af4570c874af0e319ec57b89f6486e9a880675258eda564c0391" from cache
/src: (copy (src multicore-bench.opam) (dst ./))
2025-06-17 20:23.52 ---> saved as "362b75cff16f6b7c92c3fbdc08aee48acd617417bde476b6c14e5a7ac7b3be08"
/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)
2025-06-17 20:23.54 ---> saved as "37f2fb50d14ef96137a94c882e76ae6507547092e587eb07d9d359f20b6e5bf9"
/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-06-17 20:23.55 ---> saved as "8074b5c23b7d44c85318fbbaace75e562858e4a8b26a8d48aec568debdd25127"
/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.3.19.1 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")
/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://archive.ubuntu.com/ubuntu noble InRelease
- Get:2 http://archive.ubuntu.com/ubuntu noble-updates InRelease [126 kB]
- Get:3 http://archive.ubuntu.com/ubuntu noble-backports InRelease [126 kB]
- Get:4 http://security.ubuntu.com/ubuntu noble-security InRelease [126 kB]
- Get:5 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Packages [1425 kB]
- Get:6 http://archive.ubuntu.com/ubuntu noble-updates/restricted amd64 Packages [1509 kB]
- Get:7 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Packages [1100 kB]
- Get:8 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 Packages [1403 kB]
- Get:9 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages [1094 kB]
- Fetched 6909 kB in 1s (6400 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).
2025-06-17 20:24.07 ---> saved as "527c50a5981e78d7941e2a1d459f4d5aacb993f233bcc2f0246a2d37f545f2cb"
/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 3.19.1
- 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 camlp-streams.5.0.1 (cached)
-> retrieved backoff.0.1.1 (cached)
-> retrieved astring.0.8.5 (cached)
-> retrieved cppo.1.8.0 (cached)
-> retrieved cmdliner.1.3.0 (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 multicore-magic.2.3.1 (cached)
-> retrieved mdx.2.5.0 (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)
-> installed seq.base
-> 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 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.3.19.1
-> installed domain_shims.0.1.0
-> installed csexp.1.5.2
-> installed result.1.5
-> installed camlp-streams.5.0.1
-> installed thread-table.1.0.0
-> installed backoff.0.1.1
-> installed ocaml-version.4.0.1
-> installed multicore-magic.2.3.1
-> installed domain-local-await.1.0.1
-> installed re.1.12.0
-> installed cppo.1.8.0
-> installed yojson.3.0.0
-> installed mdx.2.5.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-06-17 20:24.40 ---> saved as "d6c87553b3ec116457677bf4f9302e3d2f4a87d65978132c111144fd18286161"
/src: (copy (src .) (dst /src))
2025-06-17 20:24.40 ---> saved as "77d5345b4540a64be759e7a31139094c5e9a3dbb548d1a8f482fff5f877895e9"
/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:
237.25 M/s
ops over time/get:
2882.41 M/s
ops over time/incr:
351.77 M/s
ops over time/push & pop:
106.05 M/s
ops over time/swap:
134.00 M/s
ops over time/xchg int:
200.07 M/s
time per op/cas int:
4.21 ns
time per op/get:
0.35 ns
time per op/incr:
2.84 ns
time per op/push & pop:
9.43 ns
time per op/swap:
7.46 ns
time per op/xchg int:
5.00 ns
Atomic incr:
ops over time/CAS, 1 domains:
205.82 M/s
ops over time/CAS with backoff, 1 domains:
206.16 M/s
ops over time/Incr, 1 domains:
352.97 M/s
time per op/CAS, 1 domains:
4.86 ns
time per op/CAS with backoff, 1 domains:
4.85 ns
time per op/Incr, 1 domains:
2.83 ns
Bounded_q:
messages over time/one domain:
16.82 M/s
time per message/one domain:
59.47 ns
Hashtbl:
operations over time/1 worker, 10% reads:
17.42 M/s
operations over time/1 worker, 50% reads:
16.61 M/s
operations over time/1 worker, 90% reads:
20.28 M/s
operations over time/2 workers, 10% reads:
16.68 M/s
operations over time/2 workers, 50% reads:
16.44 M/s
operations over time/2 workers, 90% reads:
15.12 M/s
operations over time/4 workers, 10% reads:
16.41 M/s
operations over time/4 workers, 50% reads:
16.03 M/s
operations over time/4 workers, 90% reads:
13.32 M/s
operations over time/8 workers, 10% reads:
14.21 M/s
operations over time/8 workers, 50% reads:
14.00 M/s
operations over time/8 workers, 90% reads:
14.96 M/s
operations over time/one domain, 10% reads:
24.73 M/s
operations over time/one domain, 50% reads:
23.55 M/s
operations over time/one domain, 90% reads:
30.02 M/s
time per operation/1 worker, 10% reads:
57.41 ns
time per operation/1 worker, 50% reads:
60.20 ns
time per operation/1 worker, 90% reads:
49.31 ns
time per operation/2 workers, 10% reads:
119.92 ns
time per operation/2 workers, 50% reads:
121.63 ns
time per operation/2 workers, 90% reads:
132.27 ns
time per operation/4 workers, 10% reads:
243.82 ns
time per operation/4 workers, 50% reads:
249.48 ns
time per operation/4 workers, 90% reads:
300.35 ns
time per operation/8 workers, 10% reads:
563.15 ns
time per operation/8 workers, 50% reads:
571.28 ns
time per operation/8 workers, 90% reads:
549.42 ns
time per operation/one domain, 10% reads:
40.44 ns
time per operation/one domain, 50% reads:
42.47 ns
time per operation/one domain, 90% reads:
33.31 ns
Queue:
messages over time/one domain:
42.39 M/s
time per message/one domain:
23.59 ns
Ref with Mutex:
ops over time/cas int:
52.78 M/s
ops over time/get:
51.15 M/s
ops over time/incr:
51.10 M/s
ops over time/push & pop:
51.41 M/s
ops over time/swap:
54.16 M/s
ops over time/xchg int:
56.02 M/s
time per op/cas int:
18.95 ns
time per op/get:
19.55 ns
time per op/incr:
19.57 ns
time per op/push & pop:
19.45 ns
time per op/swap:
18.47 ns
time per op/xchg int:
17.85 ns
Ref with [@poll error]:
ops over time/cas int:
221.08 M/s
ops over time/get:
2904.55 M/s
ops over time/incr:
442.12 M/s
ops over time/push & pop:
102.72 M/s
ops over time/swap:
122.95 M/s
ops over time/xchg int:
240.19 M/s
time per op/cas int:
4.52 ns
time per op/get:
0.34 ns
time per op/incr:
2.26 ns
time per op/push & pop:
9.73 ns
time per op/swap:
8.13 ns
time per op/xchg int:
4.16 ns
Stack:
messages over time/one domain:
47.14 M/s
time per message/one domain:
21.21 ns
Unix:
blocking reads over time/1 worker:
0.37 M/s
time per blocking read/1 worker:
2709.96 ns
2025-06-17 20:24.45 ---> saved as "e66b7b7b51f0ce6db2c42f9a41195eac6fbea76bb5f4d779550448d6c8e41a7c"
Job succeeded
2025-06-17 20:24.45: Job succeeded