2025-09-16 10:13.44: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (linux-x86_64:debian-11-5.3_opam-2.4) Base: ocaml/opam:debian-11-ocaml-5.3@sha256:d22ca7442798dbbf8f67cf30ddcad95b123af4815bf71f15a1e3b77ac03c63f4 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:debian-11-ocaml-5.3@sha256:d22ca7442798dbbf8f67cf30ddcad95b123af4815bf71f15a1e3b77ac03c63f4 # debian-11-5.3_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src 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 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && 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 2025-09-16 10:13.44: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:debian-11-ocaml-5.3@sha256:d22ca7442798dbbf8f67cf30ddcad95b123af4815bf71f15a1e3b77ac03c63f4-debian-11-5.3_opam-2.4-6002683b6d421cfbe1933c41f8fca838" 2025-09-16 10:13.44: Using OBuilder spec: ((from ocaml/opam:debian-11-ocaml-5.3@sha256:d22ca7442798dbbf8f67cf30ddcad95b123af4815bf71f15a1e3b77ac03c63f4) (comment debian-11-5.3_opam-2.4) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (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 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && 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")) ) 2025-09-16 10:13.44: Waiting for resource in pool OCluster 2025-09-16 14:18.24: Waiting for worker… 2025-09-16 14:22.52: 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:debian-11-ocaml-5.3@sha256:d22ca7442798dbbf8f67cf30ddcad95b123af4815bf71f15a1e3b77ac03c63f4) 2025-09-16 14:22.52 ---> using "aecf21de7093771dcd4921d5bf691dc9303081df1bf9c9c43966805889cd1304" from cache /: (comment debian-11-5.3_opam-2.4) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam")) 2025-09-16 14:22.52 ---> using "6953879d6c76a9fc0c641d7869dd6e24d0cde89dd1be7cb44b09e8abf4624314" 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 2025-09-16 14:22.52 ---> using "7600f0d514b303110dc6d3ab07113df124ae8cba62b508f8ea6da4e38403529b" 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 2025-09-16 14:22.52 ---> using "54743e99253f61499bcb5d426bf2de41046d174bc5468c2826bb6397d1984ef3" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-09-16 14:22.52 ---> using "d0f46657015c9dd8bb340311f07fa8ab0c09a977e4413cab1a6dca7da3c0e0a0" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ee24528071..7949ff40d8 master -> origin/master 6ef6813522 Merge pull request #28449 from dra27/ocaml-compiler-msvc <><> 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) 2025-09-16 14:22.52 ---> using "e4bd32da6638392e99c4b2ef94c1b74153f6a2cce8e695a5cd68a46d874de08d" from cache /src: (copy (src multicore-bench.opam) (dst ./)) 2025-09-16 14:22.52 ---> saved as "f0038b96d8c1cadd7cee060347192ce8807a1ada5ecc2bd87f829f369e54a273" /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) 2025-09-16 14:22.53 ---> saved as "662f946919d38d371c4f64fe0e4b4f575522bc3588fad2c57f05d3167fd02d40" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-09-16 14:22.53 ---> saved as "df6ddc9a7ad49aeecfd69c2972fff6277dab40f1f0edcfbbbf7be75d53880d84" /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 "apt-get" "update" - Hit:1 http://deb.debian.org/debian bullseye InRelease - Get:2 http://deb.debian.org/debian-security bullseye-security InRelease [27.2 kB] - Hit:3 http://deb.debian.org/debian bullseye-updates InRelease - Get:4 http://deb.debian.org/debian-security bullseye-security/main amd64 Packages [403 kB] - Fetched 430 kB in 0s (1255 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). 2025-09-16 14:23.00 ---> saved as "c3050b1429d6ddd7c135b68b00e77f023ba7b664d879720d32d81bcdec77fb40" /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) 2025-09-16 14:23.28 ---> saved as "9fdc7b43cd44e6f20a47e34ff31d31417bd4dbaa1e6f6a6e73d9461234bc4c0e" /src: (copy (src .) (dst /src)) 2025-09-16 14:23.29 ---> saved as "8829719f210cc200eda6928c04cdc4f5c63a61770f264678ad19d89482f800a9" /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: 339.87 M/s ops over time/get: 3684.33 M/s ops over time/incr: 420.17 M/s ops over time/push & pop: 70.32 M/s ops over time/swap: 137.13 M/s ops over time/xchg int: 332.92 M/s time per op/cas int: 2.94 ns time per op/get: 0.27 ns time per op/incr: 2.38 ns time per op/push & pop: 14.22 ns time per op/swap: 7.29 ns time per op/xchg int: 3.00 ns Atomic incr: ops over time/CAS, 1 domains: 257.46 M/s ops over time/CAS, 2 domains: 96.28 M/s ops over time/CAS, 4 domains: 16.26 M/s ops over time/CAS, 8 domains: 75.85 M/s ops over time/CAS with backoff, 1 domains: 257.19 M/s ops over time/CAS with backoff, 2 domains: 86.69 M/s ops over time/CAS with backoff, 4 domains: 59.87 M/s ops over time/CAS with backoff, 8 domains: 47.32 M/s ops over time/Incr, 1 domains: 341.77 M/s ops over time/Incr, 2 domains: 150.76 M/s ops over time/Incr, 4 domains: 184.49 M/s ops over time/Incr, 8 domains: 148.36 M/s time per op/CAS, 1 domains: 3.88 ns time per op/CAS, 2 domains: 20.77 ns time per op/CAS, 4 domains: 246.05 ns time per op/CAS, 8 domains: 105.47 ns time per op/CAS with backoff, 1 domains: 3.89 ns time per op/CAS with backoff, 2 domains: 23.07 ns time per op/CAS with backoff, 4 domains: 66.81 ns time per op/CAS with backoff, 8 domains: 169.05 ns time per op/Incr, 1 domains: 2.93 ns time per op/Incr, 2 domains: 13.27 ns time per op/Incr, 4 domains: 21.68 ns time per op/Incr, 8 domains: 53.92 ns Bounded_q: messages over time/1 adder, 1 taker: 3.61 M/s messages over time/1 adder, 2 takers: 2.40 M/s messages over time/1 adder, 4 takers: 2.20 M/s messages over time/2 adders, 1 taker: 2.88 M/s messages over time/2 adders, 2 takers: 2.16 M/s messages over time/2 adders, 4 takers: 1.62 M/s messages over time/4 adders, 1 taker: 2.99 M/s messages over time/4 adders, 2 takers: 1.97 M/s messages over time/4 adders, 4 takers: 1.64 M/s messages over time/one domain: 16.06 M/s time per message/1 adder, 1 taker: 553.31 ns time per message/1 adder, 2 takers: 1249.16 ns time per message/1 adder, 4 takers: 2268.71 ns time per message/2 adders, 1 taker: 1041.77 ns time per message/2 adders, 2 takers: 1854.26 ns time per message/2 adders, 4 takers: 3710.25 ns time per message/4 adders, 1 taker: 1669.63 ns time per message/4 adders, 2 takers: 3039.80 ns time per message/4 adders, 4 takers: 4876.56 ns time per message/one domain: 62.28 ns Hashtbl: operations over time/1 worker, 10% reads: 19.90 M/s operations over time/1 worker, 50% reads: 19.30 M/s operations over time/1 worker, 90% reads: 23.52 M/s operations over time/2 workers, 10% reads: 2.95 M/s operations over time/2 workers, 50% reads: 2.17 M/s operations over time/2 workers, 90% reads: 6.32 M/s operations over time/4 workers, 10% reads: 1.87 M/s operations over time/4 workers, 50% reads: 1.59 M/s operations over time/4 workers, 90% reads: 3.35 M/s operations over time/8 workers, 10% reads: 2.02 M/s operations over time/8 workers, 50% reads: 1.25 M/s operations over time/8 workers, 90% reads: 3.00 M/s operations over time/one domain, 10% reads: 28.94 M/s operations over time/one domain, 50% reads: 29.04 M/s operations over time/one domain, 90% reads: 41.03 M/s time per operation/1 worker, 10% reads: 50.25 ns time per operation/1 worker, 50% reads: 51.81 ns time per operation/1 worker, 90% reads: 42.52 ns time per operation/2 workers, 10% reads: 677.46 ns time per operation/2 workers, 50% reads: 920.40 ns time per operation/2 workers, 90% reads: 316.62 ns time per operation/4 workers, 10% reads: 2138.31 ns time per operation/4 workers, 50% reads: 2510.11 ns time per operation/4 workers, 90% reads: 1193.14 ns time per operation/8 workers, 10% reads: 3961.94 ns time per operation/8 workers, 50% reads: 6387.09 ns time per operation/8 workers, 90% reads: 2664.20 ns time per operation/one domain, 10% reads: 34.56 ns time per operation/one domain, 50% reads: 34.43 ns time per operation/one domain, 90% reads: 24.37 ns Queue: messages over time/one domain: 44.24 M/s time per message/one domain: 22.61 ns Ref with Mutex: ops over time/cas int: 44.76 M/s ops over time/get: 52.82 M/s ops over time/incr: 52.82 M/s ops over time/push & pop: 35.75 M/s ops over time/swap: 44.42 M/s ops over time/xchg int: 45.10 M/s time per op/cas int: 22.34 ns time per op/get: 18.93 ns time per op/incr: 18.93 ns time per op/push & pop: 27.97 ns time per op/swap: 22.51 ns time per op/xchg int: 22.17 ns Ref with [@poll error]: ops over time/cas int: 258.09 M/s ops over time/get: 3688.06 M/s ops over time/incr: 714.13 M/s ops over time/push & pop: 69.03 M/s ops over time/swap: 129.71 M/s ops over time/xchg int: 276.29 M/s time per op/cas int: 3.87 ns time per op/get: 0.27 ns time per op/incr: 1.40 ns time per op/push & pop: 14.49 ns time per op/swap: 7.71 ns time per op/xchg int: 3.62 ns Stack: messages over time/one domain: 50.74 M/s time per message/one domain: 19.71 ns Unix: blocking reads over time/1 worker: 1.80 M/s blocking reads over time/2 workers: 3.58 M/s blocking reads over time/4 workers: 7.11 M/s time per blocking read/1 worker: 556.65 ns time per blocking read/2 workers: 558.54 ns time per blocking read/4 workers: 562.21 ns 2025-09-16 14:23.40 ---> saved as "987926d83d59caca1ca00b7a34917ab6784d228ccbe93d24dec91e4c600edffd" Job succeeded 2025-09-16 14:23.40: Job succeeded