fedora-41-5.3_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-41-5.3_opam-2.4)
Base: ocaml/opam:fedora-41-ocaml-5.3@sha256:f5f08b3348fe42ae5a91cd3a68fa1c305e7a107b436066fc5fda4e9df66a5e6c
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-41-ocaml-5.3@sha256:f5f08b3348fe42ae5a91cd3a68fa1c305e7a107b436066fc5fda4e9df66a5e6c
# fedora-41-5.3_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-41-ocaml-5.3@sha256:f5f08b3348fe42ae5a91cd3a68fa1c305e7a107b436066fc5fda4e9df66a5e6c-fedora-41-5.3_opam-2.4-6002683b6d421cfbe1933c41f8fca838"
2025-09-10 00:50.27: Using OBuilder spec:
((from ocaml/opam:fedora-41-ocaml-5.3@sha256:f5f08b3348fe42ae5a91cd3a68fa1c305e7a107b436066fc5fda4e9df66a5e6c)
(comment fedora-41-5.3_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 06:32.02: Got resource from pool OCluster
Building on odawa.caelum.ci.dev
All commits already cached
HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll


(from ocaml/opam:fedora-41-ocaml-5.3@sha256:f5f08b3348fe42ae5a91cd3a68fa1c305e7a107b436066fc5fda4e9df66a5e6c)
2025-09-10 06:51.01 ---> using "77932ed08d0a913a0be50df49d164ac702f06db62378e7fc2fe69b435778c931" from cache


/: (comment fedora-41-5.3_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 41 openh264 (From Cisco) - x86_ 100% |   1.3 KiB/s | 986.0   B |  00m01s
Fedora 41 - x86_64                     100% |  47.5 KiB/s |  26.0 KiB |  00m01s
Fedora 41 - x86_64 - Updates           100% |  64.9 KiB/s |   7.0 KiB |  00m00s
Repositories loaded.
Package "findutils-1:4.10.0-4.fc41.x86_64" is already installed.


Nothing to do.
2025-09-10 06:51.01 ---> using "5a11b3ecc08c13b474f973c6ed6bda9d943e5e42d89b96e76b2acf1288582de1" from cache


/src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))
2025-09-10 06:51.01 ---> using "38018181ca3d651caf83793cac79b175152687b7fd1b8e68982c374718136be1" 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 06:51.01 ---> using "81d422c2e27804f36d63a7c4ecc0c003e51fdf455e9af60b0ab6f88d6e5655db" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-60-generic
The OCaml toplevel, version 5.3.0
2.4.1
2025-09-10 06:51.01 ---> using "4a5f234704b17b857f4fa77e03c17a26768c9a8a3a79e3a29eb58c5760d8cab9" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-09-10 06:51.01 ---> using "9db28c29175bfe97cd9b16194f056247eb741af3e27b63992acace506e95ed96" 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
b3b872a94f..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 06:51.01 ---> using "b117008298995f939f02008febf90ce85cc49311906f16ea3d7a1de1ce794b31" from cache


/src: (copy (src multicore-bench.opam) (dst ./))
2025-09-10 06:51.02 ---> saved as "d21cd333335c839d1251e11ac29c91a22d49d7bdd3929e71a4f9664c26aa2c11"


/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 06:51.02 ---> saved as "3c9f2179ff33b773f2440fff427c1bcf0023d6436ad16d3cb53f0ea348dbd26f"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-09-10 06:51.02 ---> saved as "328c170d233e15c0f552562a19842030e7b5f0c66f72febbc185e6b9d9cc3ae4"


/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/bin/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 06:51.09 ---> saved as "15848fd755af230a7e7019f2e96e5ba32b30063c953c3b9fd0f227fe6e93f4db"


/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 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.1.13.2  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved result.1.5  (cached)
-> retrieved thread-table.1.0.0  (cached)
-> retrieved topkg.1.1.0  (cached)
-> retrieved yojson.3.0.0  (cached)
-> retrieved dune.3.20.2  (cached)
-> installed cmdliner.1.3.0
-> installed ocamlbuild.0.16.1
-> installed ocamlfind.1.9.8
-> 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 csexp.1.5.2
-> installed backoff.0.1.1
-> installed ocaml-version.4.0.1
-> installed result.1.5
-> 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 re.1.13.2
-> 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)
2025-09-10 06:51.35 ---> saved as "231b44e6fd50df83e4073bc56e9eaa23aeb7ee64b3facc600f1a4b29d3d8537e"


/src: (copy (src .) (dst /src))
2025-09-10 06:51.35 ---> saved as "01874d7e9421be8f66828dc715d65006835fc8f55a547ff9786e9adc2d5d990b"


/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:
344.95 M/s
ops over time/get:
3675.51 M/s
ops over time/incr:
420.08 M/s
ops over time/push & pop:
70.70 M/s
ops over time/swap:
136.67 M/s
ops over time/xchg int:
338.91 M/s
time per op/cas int:
2.90 ns
time per op/get:
0.27 ns
time per op/incr:
2.38 ns
time per op/push & pop:
14.14 ns
time per op/swap:
7.32 ns
time per op/xchg int:
2.95 ns
Atomic incr:
ops over time/CAS, 1 domains:
257.58 M/s
ops over time/CAS, 2 domains:
23.84 M/s
ops over time/CAS, 4 domains:
37.47 M/s
ops over time/CAS, 8 domains:
66.47 M/s
ops over time/CAS with backoff, 1 domains:
252.01 M/s
ops over time/CAS with backoff, 2 domains:
170.54 M/s
ops over time/CAS with backoff, 4 domains:
51.71 M/s
ops over time/CAS with backoff, 8 domains:
51.59 M/s
ops over time/Incr, 1 domains:
422.51 M/s
ops over time/Incr, 2 domains:
148.77 M/s
ops over time/Incr, 4 domains:
111.38 M/s
ops over time/Incr, 8 domains:
133.92 M/s
time per op/CAS, 1 domains:
3.88 ns
time per op/CAS, 2 domains:
83.89 ns
time per op/CAS, 4 domains:
106.75 ns
time per op/CAS, 8 domains:
120.36 ns
time per op/CAS with backoff, 1 domains:
3.97 ns
time per op/CAS with backoff, 2 domains:
11.73 ns
time per op/CAS with backoff, 4 domains:
77.36 ns
time per op/CAS with backoff, 8 domains:
155.06 ns
time per op/Incr, 1 domains:
2.37 ns
time per op/Incr, 2 domains:
13.44 ns
time per op/Incr, 4 domains:
35.91 ns
time per op/Incr, 8 domains:
59.74 ns
Bounded_q:
messages over time/1 adder, 1 taker:
6.63 M/s
messages over time/1 adder, 2 takers:
2.92 M/s
messages over time/1 adder, 4 takers:
2.71 M/s
messages over time/2 adders, 1 taker:
3.83 M/s
messages over time/2 adders, 2 takers:
1.51 M/s
messages over time/2 adders, 4 takers:
1.68 M/s
messages over time/4 adders, 1 taker:
1.47 M/s
messages over time/4 adders, 2 takers:
1.03 M/s
messages over time/4 adders, 4 takers:
0.97 M/s
messages over time/one domain:
16.16 M/s
time per message/1 adder, 1 taker:
301.86 ns
time per message/1 adder, 2 takers:
1026.16 ns
time per message/1 adder, 4 takers:
1844.39 ns
time per message/2 adders, 1 taker:
782.29 ns
time per message/2 adders, 2 takers:
2654.01 ns
time per message/2 adders, 4 takers:
3561.28 ns
time per message/4 adders, 1 taker:
3402.17 ns
time per message/4 adders, 2 takers:
5836.50 ns
time per message/4 adders, 4 takers:
8235.75 ns
time per message/one domain:
61.87 ns
Hashtbl:
operations over time/1 worker, 10% reads:
20.22 M/s
operations over time/1 worker, 50% reads:
18.71 M/s
operations over time/1 worker, 90% reads:
22.10 M/s
operations over time/2 workers, 10% reads:
2.49 M/s
operations over time/2 workers, 50% reads:
3.48 M/s
operations over time/2 workers, 90% reads:
4.70 M/s
operations over time/4 workers, 10% reads:
2.12 M/s
operations over time/4 workers, 50% reads:
2.17 M/s
operations over time/4 workers, 90% reads:
4.26 M/s
operations over time/8 workers, 10% reads:
1.58 M/s
operations over time/8 workers, 50% reads:
1.78 M/s
operations over time/8 workers, 90% reads:
3.38 M/s
operations over time/one domain, 10% reads:
31.00 M/s
operations over time/one domain, 50% reads:
29.87 M/s
operations over time/one domain, 90% reads:
41.43 M/s
time per operation/1 worker, 10% reads:
49.46 ns
time per operation/1 worker, 50% reads:
53.46 ns
time per operation/1 worker, 90% reads:
45.25 ns
time per operation/2 workers, 10% reads:
804.08 ns
time per operation/2 workers, 50% reads:
575.08 ns
time per operation/2 workers, 90% reads:
425.55 ns
time per operation/4 workers, 10% reads:
1885.40 ns
time per operation/4 workers, 50% reads:
1844.42 ns
time per operation/4 workers, 90% reads:
938.67 ns
time per operation/8 workers, 10% reads:
5054.94 ns
time per operation/8 workers, 50% reads:
4487.03 ns
time per operation/8 workers, 90% reads:
2369.01 ns
time per operation/one domain, 10% reads:
32.26 ns
time per operation/one domain, 50% reads:
33.48 ns
time per operation/one domain, 90% reads:
24.13 ns
Queue:
messages over time/one domain:
44.10 M/s
time per message/one domain:
22.67 ns
Ref with Mutex:
ops over time/cas int:
44.38 M/s
ops over time/get:
52.29 M/s
ops over time/incr:
52.30 M/s
ops over time/push & pop:
34.16 M/s
ops over time/swap:
44.12 M/s
ops over time/xchg int:
44.03 M/s
time per op/cas int:
22.53 ns
time per op/get:
19.12 ns
time per op/incr:
19.12 ns
time per op/push & pop:
29.27 ns
time per op/swap:
22.66 ns
time per op/xchg int:
22.71 ns
Ref with [@poll error]:
ops over time/cas int:
258.07 M/s
ops over time/get:
3684.66 M/s
ops over time/incr:
741.57 M/s
ops over time/push & pop:
58.23 M/s
ops over time/swap:
129.88 M/s
ops over time/xchg int:
279.80 M/s
time per op/cas int:
3.87 ns
time per op/get:
0.27 ns
time per op/incr:
1.35 ns
time per op/push & pop:
17.17 ns
time per op/swap:
7.70 ns
time per op/xchg int:
3.57 ns
Stack:
messages over time/one domain:
49.73 M/s
time per message/one domain:
20.11 ns
Unix:
blocking reads over time/1 worker:
1.78 M/s
blocking reads over time/2 workers:
3.58 M/s
blocking reads over time/4 workers:
7.14 M/s
time per blocking read/1 worker:
561.45 ns
time per blocking read/2 workers:
558.99 ns
time per blocking read/4 workers:
560.57 ns
2025-09-10 06:51.46 ---> saved as "a321a0969d37f0594e5fde91cdafb8dfbdf7b50b85038544ab3a76e4e4074b1a"
Job succeeded
2025-09-10 06:51.46: Job succeeded