fedora-42-5.3_opam-2.4

2025-09-10 00:50.27: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (linux-x86_64:fedora-42-5.3_opam-2.4)
Base: ocaml/opam:fedora-42-ocaml-5.3@sha256:3c4d6bd92f2521c203ae0878d09115a03015a05e80a548d54fcd052c1a0176e3
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:fedora-42-ocaml-5.3@sha256:3c4d6bd92f2521c203ae0878d09115a03015a05e80a548d54fcd052c1a0176e3
# fedora-42-5.3_opam-2.4
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo dnf install -y findutils
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 109398e2fd61803126becd398df0f1eabc9f3ca2 || git fetch origin master) && git reset -q --hard 109398e2fd61803126becd398df0f1eabc9f3ca2 && 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.3.20.2 fmt.0.11.0 logs.0.9.0 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.4.0.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.13.2 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.0 yojson.3.0.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.4 --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


2025-09-10 00:50.27: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:fedora-42-ocaml-5.3@sha256:3c4d6bd92f2521c203ae0878d09115a03015a05e80a548d54fcd052c1a0176e3-fedora-42-5.3_opam-2.4-6002683b6d421cfbe1933c41f8fca838"
2025-09-10 00:50.27: Using OBuilder spec:
((from ocaml/opam:fedora-42-ocaml-5.3@sha256:3c4d6bd92f2521c203ae0878d09115a03015a05e80a548d54fcd052c1a0176e3)
(comment fedora-42-5.3_opam-2.4)
(user (uid 1000) (gid 1000))
(env CLICOLOR_FORCE 1)
(env OPAMCOLOR always)
(workdir /src)
(run (network host)
(shell "sudo dnf install -y findutils"))
(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 109398e2fd61803126becd398df0f1eabc9f3ca2 || git fetch origin master) && git reset -q --hard 109398e2fd61803126becd398df0f1eabc9f3ca2 && 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.3.20.2 fmt.0.11.0 logs.0.9.0 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.4.0.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.13.2 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.0 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=2.4 --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"))
)


2025-09-10 00:50.27: Waiting for resource in pool OCluster
2025-09-10 06:29.08: Waiting for worker…
2025-09-10 06:32.01: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
All commits already cached
HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll


(from ocaml/opam:fedora-42-ocaml-5.3@sha256:3c4d6bd92f2521c203ae0878d09115a03015a05e80a548d54fcd052c1a0176e3)
2025-09-10 06:32.02 ---> using "1c28e5fa04d791c5cc6b2ce470bc0a36440778ebb02f6a81cac1039d44837550" from cache


/: (comment fedora-42-5.3_opam-2.4)


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


/: (env CLICOLOR_FORCE 1)


/: (env OPAMCOLOR always)


/: (workdir /src)


/src: (run (network host)
(shell "sudo dnf install -y findutils"))
Updating and loading repositories:
Fedora 42 - x86_64                     100% |  48.9 KiB/s |  25.3 KiB |  00m01s
Fedora 42 openh264 (From Cisco) - x86_ 100% |   3.1 KiB/s | 986.0   B |  00m00s
Fedora 42 - x86_64 - Updates           100% |  41.0 KiB/s |   6.3 KiB |  00m00s
Repositories loaded.
Package "findutils-1:4.10.0-5.fc42.x86_64" is already installed.


Nothing to do.
2025-09-10 06:32.02 ---> using "30ec58b95dbf2ce96df4e0cfd8a1378824cbb7b27634e3d768f5bf1b1e1c12fa" from cache


/src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
2025-09-10 06:32.02 ---> using "0ad4a4c74ee6c7a0b8bf9645c88cf8c3bf100a4760210eed524534c68f94573d" 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
2025-09-10 06:32.02 ---> using "2c08b3d4d9970b4bac64786d6d0477265643e2d044ac19b059db06fdd1dd1657" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-134-generic
The OCaml toplevel, version 5.3.0
2.4.1
2025-09-10 06:32.02 ---> using "d52a6c44307dc82177848cfaa8cef6522574cfc34b36be6107ca3d1e528ee622" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-09-10 06:32.02 ---> using "318448b2e032a62250509c5bafb909b7dd3a4955875af20650db352317c1781b" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 109398e2fd61803126becd398df0f1eabc9f3ca2 || git fetch origin master) && git reset -q --hard 109398e2fd61803126becd398df0f1eabc9f3ca2 && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
ee24528071..ea994caae6  master     -> origin/master
109398e2fd Merge pull request #28437 from maiste/release-dune-3.20.2


<><> 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)
2025-09-10 06:32.02 ---> using "7668e01cffbb76c7bd438adeb7776c4e2212228decc93e83a91f19f4a09e70ea" from cache


/src: (copy (src multicore-bench.opam) (dst ./))
2025-09-10 06:32.02 ---> saved as "c14dfdce9414ac7dc7cc4b4873f5af899aac6f739be56e13b7218782879492e8"


/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)
2025-09-10 06:32.04 ---> saved as "b2b13faee5d6adfc6428080e79e61f17494c6ff9a5f4ecd8d4e4d44ac4f4b6de"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-09-10 06:32.04 ---> saved as "964e78fa9f8219eb1462e487740fb7d01aef39f8e7b4919e83674a6fdc0b2295"


/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.3.20.2 fmt.0.11.0 logs.0.9.0 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.4.0.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.13.2 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.0 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=2.4 --depext-only -y multicore-bench.dev $DEPS"))
+ /usr/sbin/sudo "yum" "makecache"
- Updating and loading repositories:
- Repositories loaded.
- Metadata cache created.


<><> 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).
2025-09-10 06:32.22 ---> saved as "b1286cc87e62035169b6a2d77be891c0a17c2dcddb902a1541a2bfb0fe5cb331"


/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               3.20.2
- install fmt                0.11.0
- install logs               0.9.0
- 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                 1.13.2
- install result             1.5
- install seq                base
- install thread-table       1.0.0
- install topkg              1.1.0
- install yojson             3.0.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved astring.0.8.5  (cached)
-> retrieved backoff.0.1.1  (cached)
-> retrieved camlp-streams.5.0.1  (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.0.11.0  (cached)
-> retrieved logs.0.9.0  (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 ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved re.1.13.2  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved result.1.5  (cached)
-> retrieved thread-table.1.0.0  (cached)
-> retrieved yojson.3.0.0  (cached)
-> retrieved topkg.1.1.0  (cached)
-> retrieved dune.3.20.2  (cached)
-> installed cmdliner.1.3.0
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.0
-> installed mtime.2.1.0
-> installed fmt.0.11.0
-> installed astring.0.8.5
-> installed logs.0.9.0
-> installed dune.3.20.2
-> installed domain_shims.0.1.0
-> installed backoff.0.1.1
-> installed csexp.1.5.2
-> installed result.1.5
-> installed ocaml-version.4.0.1
-> installed thread-table.1.0.0
-> installed multicore-magic.2.3.1
-> installed camlp-streams.5.0.1
-> installed domain-local-await.1.0.1
-> installed yojson.3.0.0
-> installed cppo.1.8.0
-> installed re.1.13.2
-> installed mdx.2.5.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-09-10 06:34.16 ---> saved as "d20b9a87318c51e21dd4298e07d9c27bdd4e069773ec9ca92471c3f85f190289"


/src: (copy (src .) (dst /src))
2025-09-10 06:34.16 ---> saved as "592034417cc77cc8f7167ff37c45c6c8681466277c44e2b5860b0f14696376ef"


/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:
68.92 M/s
ops over time/get:
1275.27 M/s
ops over time/incr:
91.68 M/s
ops over time/push & pop:
18.10 M/s
ops over time/swap:
24.99 M/s
ops over time/xchg int:
74.51 M/s
time per op/cas int:
14.51 ns
time per op/get:
0.78 ns
time per op/incr:
10.91 ns
time per op/push & pop:
55.26 ns
time per op/swap:
40.01 ns
time per op/xchg int:
13.42 ns
Atomic incr:
ops over time/CAS, 1 domains:
57.16 M/s
ops over time/CAS, 2 domains:
15.23 M/s
ops over time/CAS, 4 domains:
9.94 M/s
ops over time/CAS, 8 domains:
6.43 M/s
ops over time/CAS with backoff, 1 domains:
55.40 M/s
ops over time/CAS with backoff, 2 domains:
55.76 M/s
ops over time/CAS with backoff, 4 domains:
42.54 M/s
ops over time/CAS with backoff, 8 domains:
7.32 M/s
ops over time/Incr, 1 domains:
80.36 M/s
ops over time/Incr, 2 domains:
45.03 M/s
ops over time/Incr, 4 domains:
38.21 M/s
ops over time/Incr, 8 domains:
6.30 M/s
time per op/CAS, 1 domains:
17.50 ns
time per op/CAS, 2 domains:
131.35 ns
time per op/CAS, 4 domains:
402.61 ns
time per op/CAS, 8 domains:
1244.85 ns
time per op/CAS with backoff, 1 domains:
18.05 ns
time per op/CAS with backoff, 2 domains:
35.87 ns
time per op/CAS with backoff, 4 domains:
94.02 ns
time per op/CAS with backoff, 8 domains:
1092.19 ns
time per op/Incr, 1 domains:
12.44 ns
time per op/Incr, 2 domains:
44.41 ns
time per op/Incr, 4 domains:
104.70 ns
time per op/Incr, 8 domains:
1270.73 ns
Bounded_q:
messages over time/1 adder, 1 taker:
3.14 M/s
messages over time/1 adder, 2 takers:
3.08 M/s
messages over time/1 adder, 4 takers:
1.58 M/s
messages over time/2 adders, 1 taker:
3.05 M/s
messages over time/2 adders, 2 takers:
2.21 M/s
messages over time/2 adders, 4 takers:
1.85 M/s
messages over time/4 adders, 1 taker:
2.51 M/s
messages over time/4 adders, 2 takers:
2.08 M/s
messages over time/4 adders, 4 takers:
1.63 M/s
messages over time/one domain:
3.05 M/s
time per message/1 adder, 1 taker:
637.39 ns
time per message/1 adder, 2 takers:
975.44 ns
time per message/1 adder, 4 takers:
3168.63 ns
time per message/2 adders, 1 taker:
982.06 ns
time per message/2 adders, 2 takers:
1809.38 ns
time per message/2 adders, 4 takers:
3249.11 ns
time per message/4 adders, 1 taker:
1992.51 ns
time per message/4 adders, 2 takers:
2884.70 ns
time per message/4 adders, 4 takers:
4900.32 ns
time per message/one domain:
327.78 ns
Hashtbl:
operations over time/1 worker, 10% reads:
2.90 M/s
operations over time/1 worker, 50% reads:
4.62 M/s
operations over time/1 worker, 90% reads:
2.53 M/s
operations over time/2 workers, 10% reads:
3.41 M/s
operations over time/2 workers, 50% reads:
3.93 M/s
operations over time/2 workers, 90% reads:
4.37 M/s
operations over time/4 workers, 10% reads:
3.07 M/s
operations over time/4 workers, 50% reads:
2.72 M/s
operations over time/4 workers, 90% reads:
2.92 M/s
operations over time/8 workers, 10% reads:
2.45 M/s
operations over time/8 workers, 50% reads:
2.28 M/s
operations over time/8 workers, 90% reads:
2.90 M/s
operations over time/one domain, 10% reads:
9.52 M/s
operations over time/one domain, 50% reads:
9.70 M/s
operations over time/one domain, 90% reads:
9.99 M/s
time per operation/1 worker, 10% reads:
344.80 ns
time per operation/1 worker, 50% reads:
216.36 ns
time per operation/1 worker, 90% reads:
394.52 ns
time per operation/2 workers, 10% reads:
585.67 ns
time per operation/2 workers, 50% reads:
509.32 ns
time per operation/2 workers, 90% reads:
457.91 ns
time per operation/4 workers, 10% reads:
1302.08 ns
time per operation/4 workers, 50% reads:
1472.19 ns
time per operation/4 workers, 90% reads:
1368.12 ns
time per operation/8 workers, 10% reads:
3270.39 ns
time per operation/8 workers, 50% reads:
3506.84 ns
time per operation/8 workers, 90% reads:
2761.97 ns
time per operation/one domain, 10% reads:
105.01 ns
time per operation/one domain, 50% reads:
103.09 ns
time per operation/one domain, 90% reads:
100.14 ns
Queue:
messages over time/one domain:
22.19 M/s
time per message/one domain:
45.06 ns
Ref with Mutex:
ops over time/cas int:
8.58 M/s
ops over time/get:
8.88 M/s
ops over time/incr:
10.45 M/s
ops over time/push & pop:
8.78 M/s
ops over time/swap:
9.50 M/s
ops over time/xchg int:
9.79 M/s
time per op/cas int:
116.53 ns
time per op/get:
112.56 ns
time per op/incr:
95.66 ns
time per op/push & pop:
113.91 ns
time per op/swap:
105.26 ns
time per op/xchg int:
102.14 ns
Ref with [@poll error]:
ops over time/cas int:
127.96 M/s
ops over time/get:
1337.88 M/s
ops over time/incr:
231.59 M/s
ops over time/push & pop:
25.41 M/s
ops over time/swap:
48.59 M/s
ops over time/xchg int:
129.39 M/s
time per op/cas int:
7.82 ns
time per op/get:
0.75 ns
time per op/incr:
4.32 ns
time per op/push & pop:
39.36 ns
time per op/swap:
20.58 ns
time per op/xchg int:
7.73 ns
Stack:
messages over time/one domain:
24.25 M/s
time per message/one domain:
41.23 ns
Unix:
blocking reads over time/1 worker:
0.78 M/s
blocking reads over time/2 workers:
1.36 M/s
blocking reads over time/4 workers:
2.20 M/s
time per blocking read/1 worker:
1284.47 ns
time per blocking read/2 workers:
1474.36 ns
time per blocking read/4 workers:
1820.06 ns
2025-09-10 06:35.24 ---> saved as "2180667e8f1e535dce265747c0ea6d3aea6908e8216fac46f28379882bd761a1"
Job succeeded
2025-09-10 06:35.24: Job succeeded