2025-06-12 14:21.29: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (d2dcd9f17eb27ef2e967e6e40389827f80fd9514) (linux-x86_64:debian-11-5.3_opam-2.3) Base: ocaml/opam:debian-11-ocaml-5.3@sha256:bb9ff64fc0a30e6efc4bba2533e68fcfe1fdcbcca0b32765c1a0a4dc2592c933 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 d2dcd9f1 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-11-ocaml-5.3@sha256:bb9ff64fc0a30e6efc4bba2533e68fcfe1fdcbcca0b32765c1a0a4dc2592c933 # debian-11-5.3_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-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.3.19.1 fmt.0.10.0 logs.0.8.0 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.1.12.0 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 2025-06-12 14:21.29: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:debian-11-ocaml-5.3@sha256:bb9ff64fc0a30e6efc4bba2533e68fcfe1fdcbcca0b32765c1a0a4dc2592c933-debian-11-5.3_opam-2.3-10db08213cc6d5aab31cc60439730334" 2025-06-12 14:21.29: Using OBuilder spec: ((from ocaml/opam:debian-11-ocaml-5.3@sha256:bb9ff64fc0a30e6efc4bba2533e68fcfe1fdcbcca0b32765c1a0a4dc2592c933) (comment debian-11-5.3_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-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.3.19.1 fmt.0.10.0 logs.0.8.0 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.1.12.0 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")) ) 2025-06-12 14:21.29: Waiting for resource in pool OCluster 2025-06-12 19:18.49: Waiting for worker… 2025-06-12 19:21.20: Got resource from pool OCluster Building on doris.caelum.ci.dev All commits already cached HEAD is now at d2dcd9f Try to avoid false sharing (from ocaml/opam:debian-11-ocaml-5.3@sha256:bb9ff64fc0a30e6efc4bba2533e68fcfe1fdcbcca0b32765c1a0a4dc2592c933) 2025-06-12 19:21.20 ---> using "923794cf071481968755bca5f8fb939ba638f0e5adc3039ce330be9e7e13b9de" from cache /: (comment debian-11-5.3_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")) 2025-06-12 19:21.20 ---> using "170fade88012c85b9a710b53709a9775bf94c3f978b133e60ac3ef87d3512ca8" 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 2025-06-12 19:21.20 ---> using "18c497649a69a9f9036d0ea729703fbea4d442984320fcdc15815f406a603dd5" 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 2.3.0 2025-06-12 19:21.20 ---> using "1c30ab73bc45f2af7cdf17a48a03ef0ab954c1c579d4ac3bfe8e374742d81c44" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-06-12 19:21.20 ---> using "484dd34db13045b21bb2fddcf6b271db41d8120a809c65fe2843ea8e4b71d87d" 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")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD bc726805e3..a28eb8a148 master -> origin/master 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) 2025-06-12 19:21.20 ---> using "594b787d4682bbaecd08d69e22209c21d0558842102ec62405e594f0af71857a" from cache /src: (copy (src multicore-bench.opam) (dst ./)) 2025-06-12 19:21.21 ---> saved as "6e1c340841377740fb6318520e664926dfe00a96f82abac643a519f22fb60153" /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) 2025-06-12 19:21.22 ---> saved as "ad1dbed80e24f3f856dcd0e7203dac2f02bca1e7b59c0f9125d18c27271a3a6c" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-06-12 19:21.22 ---> saved as "73fcea707c722395255edd84a3a9a079bb36fb08b1a8f1c6341140ef02535f1b" /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.3.19.1 fmt.0.10.0 logs.0.8.0 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.1.12.0 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://deb.debian.org/debian bullseye InRelease - Get:2 http://deb.debian.org/debian-security bullseye-security InRelease [27.2 kB] - Get:3 http://deb.debian.org/debian bullseye-updates InRelease [44.1 kB] - Get:4 http://deb.debian.org/debian-security bullseye-security/main amd64 Packages [381 kB] - Fetched 452 kB in 0s (994 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). 2025-06-12 19:21.34 ---> saved as "dfe28779a682a1cc2f49d7d91cf3629971557d16a540d640ae1d661fb8bda6cb" /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 3.19.1 - 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 ocamlfind.1.9.8 -> installed ocamlbuild.0.16.1 -> 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 backoff.0.1.1 -> 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 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) 2025-06-12 19:22.13 ---> saved as "5063ff0a3e59e04e4187694dc7b91bebe6a90086fed4b332d56be8168a87f8fe" /src: (copy (src .) (dst /src)) 2025-06-12 19:22.13 ---> saved as "34508cdc1d379432d061a2996299777480e679a8ebdb4189b7ec1d73681cbbfe" /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: 142.89 M/s ops over time/get: 623.22 M/s ops over time/incr: 176.64 M/s ops over time/push & pop: 46.77 M/s ops over time/swap: 108.91 M/s ops over time/xchg int: 158.37 M/s time per op/cas int: 7.00 ns time per op/get: 1.60 ns time per op/incr: 5.66 ns time per op/push & pop: 21.38 ns time per op/swap: 9.18 ns time per op/xchg int: 6.31 ns Atomic incr: ops over time/CAS, 1 domains: 155.50 M/s ops over time/CAS, 2 domains: 79.19 M/s ops over time/CAS, 4 domains: 56.61 M/s ops over time/CAS, 8 domains: 70.80 M/s ops over time/CAS with backoff, 1 domains: 154.60 M/s ops over time/CAS with backoff, 2 domains: 67.93 M/s ops over time/CAS with backoff, 4 domains: 47.27 M/s ops over time/CAS with backoff, 8 domains: 34.23 M/s ops over time/Incr, 1 domains: 170.49 M/s ops over time/Incr, 2 domains: 113.92 M/s ops over time/Incr, 4 domains: 110.97 M/s ops over time/Incr, 8 domains: 110.36 M/s time per op/CAS, 1 domains: 6.43 ns time per op/CAS, 2 domains: 25.26 ns time per op/CAS, 4 domains: 70.66 ns time per op/CAS, 8 domains: 113.00 ns time per op/CAS with backoff, 1 domains: 6.47 ns time per op/CAS with backoff, 2 domains: 29.44 ns time per op/CAS with backoff, 4 domains: 84.61 ns time per op/CAS with backoff, 8 domains: 233.70 ns time per op/Incr, 1 domains: 5.87 ns time per op/Incr, 2 domains: 17.56 ns time per op/Incr, 4 domains: 36.05 ns time per op/Incr, 8 domains: 72.49 ns Bounded_q: messages over time/1 adder, 1 taker: 1.53 M/s messages over time/1 adder, 2 takers: 2.37 M/s messages over time/1 adder, 4 takers: 1.70 M/s messages over time/2 adders, 1 taker: 2.37 M/s messages over time/2 adders, 2 takers: 1.61 M/s messages over time/2 adders, 4 takers: 0.85 M/s messages over time/4 adders, 1 taker: 1.79 M/s messages over time/4 adders, 2 takers: 1.44 M/s messages over time/4 adders, 4 takers: 1.06 M/s messages over time/one domain: 11.38 M/s time per message/1 adder, 1 taker: 1308.27 ns time per message/1 adder, 2 takers: 1263.97 ns time per message/1 adder, 4 takers: 2933.21 ns time per message/2 adders, 1 taker: 1267.94 ns time per message/2 adders, 2 takers: 2489.55 ns time per message/2 adders, 4 takers: 7034.92 ns time per message/4 adders, 1 taker: 2787.09 ns time per message/4 adders, 2 takers: 4175.46 ns time per message/4 adders, 4 takers: 7580.59 ns time per message/one domain: 87.90 ns Hashtbl: operations over time/1 worker, 10% reads: 16.27 M/s operations over time/1 worker, 50% reads: 16.41 M/s operations over time/1 worker, 90% reads: 19.79 M/s operations over time/2 workers, 10% reads: 6.96 M/s operations over time/2 workers, 50% reads: 7.54 M/s operations over time/2 workers, 90% reads: 3.57 M/s operations over time/4 workers, 10% reads: 2.66 M/s operations over time/4 workers, 50% reads: 1.40 M/s operations over time/4 workers, 90% reads: 3.39 M/s operations over time/8 workers, 10% reads: 1.22 M/s operations over time/8 workers, 50% reads: 1.19 M/s operations over time/8 workers, 90% reads: 2.18 M/s operations over time/one domain, 10% reads: 24.38 M/s operations over time/one domain, 50% reads: 24.73 M/s operations over time/one domain, 90% reads: 34.80 M/s time per operation/1 worker, 10% reads: 61.45 ns time per operation/1 worker, 50% reads: 60.95 ns time per operation/1 worker, 90% reads: 50.53 ns time per operation/2 workers, 10% reads: 287.38 ns time per operation/2 workers, 50% reads: 265.27 ns time per operation/2 workers, 90% reads: 559.87 ns time per operation/4 workers, 10% reads: 1502.37 ns time per operation/4 workers, 50% reads: 2847.03 ns time per operation/4 workers, 90% reads: 1180.55 ns time per operation/8 workers, 10% reads: 6542.99 ns time per operation/8 workers, 50% reads: 6722.99 ns time per operation/8 workers, 90% reads: 3678.11 ns time per operation/one domain, 10% reads: 41.02 ns time per operation/one domain, 50% reads: 40.44 ns time per operation/one domain, 90% reads: 28.74 ns Queue: messages over time/one domain: 32.23 M/s time per message/one domain: 31.03 ns Ref with Mutex: ops over time/cas int: 31.44 M/s ops over time/get: 38.87 M/s ops over time/incr: 35.09 M/s ops over time/push & pop: 22.63 M/s ops over time/swap: 30.13 M/s ops over time/xchg int: 31.30 M/s time per op/cas int: 31.81 ns time per op/get: 25.72 ns time per op/incr: 28.50 ns time per op/push & pop: 44.20 ns time per op/swap: 33.19 ns time per op/xchg int: 31.95 ns Ref with [@poll error]: ops over time/cas int: 164.56 M/s ops over time/get: 626.36 M/s ops over time/incr: 297.98 M/s ops over time/push & pop: 52.40 M/s ops over time/swap: 107.12 M/s ops over time/xchg int: 157.96 M/s time per op/cas int: 6.08 ns time per op/get: 1.60 ns time per op/incr: 3.36 ns time per op/push & pop: 19.09 ns time per op/swap: 9.34 ns time per op/xchg int: 6.33 ns Stack: messages over time/one domain: 40.07 M/s time per message/one domain: 24.95 ns Unix: blocking reads over time/1 worker: 1.29 M/s blocking reads over time/2 workers: 2.52 M/s blocking reads over time/4 workers: 5.07 M/s time per blocking read/1 worker: 773.00 ns time per blocking read/2 workers: 794.24 ns time per blocking read/4 workers: 789.11 ns 2025-06-12 19:22.27 ---> saved as "6473e9220e1ffdd2319fdede77a7fb42573c28f54e8acc71cf04159416d68286" Job succeeded 2025-06-12 19:22.27: Job succeeded