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) (macos-x86_64:macos-homebrew-5.3_opam-2.3) Base: macos-homebrew-ocaml-5.3 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 macos-homebrew-ocaml-5.3 # macos-homebrew-5.3_opam-2.3 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" RUN ln -f ~/local/bin/opam-2.3 ~/local/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version 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 ./src/./ RUN opam pin add -yn multicore-bench.dev './src/./' RUN echo '(lang dune 3.0)' > './src/./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 cd ./src && 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-macos-homebrew-ocaml-5.3-macos-homebrew-5.3_opam-2.3-10db08213cc6d5aab31cc60439730334" 2025-06-12 14:21.29: Using OBuilder spec: ((from macos-homebrew-ocaml-5.3) (comment macos-homebrew-5.3_opam-2.3) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (run (shell "ln -f ~/local/bin/opam-2.3 ~/local/bin/opam")) (run (shell "opam init --reinit -ni")) (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (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 ./src/./)) (run (network host) (shell "opam pin add -yn multicore-bench.dev './src/./'")) (run (network host) (shell "echo '(lang dune 3.0)' > './src/./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 /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam update --depexts && opam install --cli=2.3 --depext-only -y multicore-bench.dev $DEPS")) (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam install $DEPS")) (copy (src .) (dst ./src)) (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")) ) 2025-06-12 14:21.29: Waiting for resource in pool OCluster 2025-06-13 02:12.44: Waiting for worker… 2025-06-13 05:27.32: Got resource from pool OCluster Building on i7-worker-03 All commits already cached HEAD is now at d2dcd9f Try to avoid false sharing (from macos-homebrew-ocaml-5.3) 2025-06-13 05:27.33 ---> using "6ee950b55569b1a3f8a7953dc679318bf303d3a70ac7d49901c0ac2ca3805d7c" from cache /: (comment macos-homebrew-5.3_opam-2.3) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (run (shell "ln -f ~/local/bin/opam-2.3 ~/local/bin/opam")) 2025-06-13 05:27.34 ---> using "8efc335cb5004a650aab29e72b9849a2b2e2f0853bc55d3a74763c7cceed5d74" from cache /: (run (shell "opam init --reinit -ni")) No configuration file found, using 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 /Users/mac1000/.opam from version 2.1 to version 2.2, which can't be reverted. You may want to back it up before going further. Continue? [y/n] y [NOTE] The 'jobs' option was reset, its value was 1 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using: opam option jobs=1 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from git+file:///Users/mac1000/opam-repository 2025-06-13 05:27.34 ---> using "e29fa6de89fe919799ac81fd4a1c768d8341cedf873c17042854467d2aebeceb" from cache /: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Darwin 23.4.0 The OCaml toplevel, version 5.3.0 2.3.0 2025-06-13 05:27.35 ---> using "a268524b45b0c90a951719c2a6c8c78c0b8a0fec90c9f437befd49b0008dc673" from cache /: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (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 67e940587b..a28eb8a148 master -> origin/master a28eb8a148 Merge pull request #28017 from maiste/release-dune-3.19.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///Users/mac1000/opam-repository Everything as up-to-date as possible (run with --verbose to show unavailable upgrades). The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.0 - ocaml-compiler.5.5 -- ocaml-base-compiler.5.4.0~alpha1 is installed and requires ocaml-compiler = 5.4.0~alpha1 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) 2025-06-13 05:27.35 ---> using "eaccb6aab9958c7381ce3b97822c829fabf7189a0fcdf560e417444a1f83b5e5" from cache /: (copy (src multicore-bench.opam) (dst ./src/./)) 2025-06-13 05:27.37 ---> saved as "336fb5ddb78c33a6dce7a373af0a173a86f0728ffbb89095263dde62fa4f3f52" /: (run (network host) (shell "opam pin add -yn multicore-bench.dev './src/./'")) [multicore-bench.dev] synchronised (file:///Users/mac1000/src) multicore-bench is now pinned to file:///Users/mac1000/src (version dev) 2025-06-13 05:27.47 ---> saved as "caa1f094a34387a85a6bd09bc02716193fe74c8ac3f01445128f115ec3cc6aac" /: (run (network host) (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) 2025-06-13 05:27.49 ---> saved as "55ef235a781229e30ffe0c29dec7f4df9fdee5715db86ab170391b11ecaf73bd" /: (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 /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam update --depexts && opam install --cli=2.3 --depext-only -y multicore-bench.dev $DEPS")) + /usr/local/bin/brew "update" - ==> Updating Homebrew... - Already up-to-date. <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [multicore-bench.dev] synchronised (file:///Users/mac1000/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). 2025-06-13 05:28.24 ---> saved as "a38f8cc28f12f1d47e6c77fc22db7f0c7ee579635e12a5a5770dda8a3f9e4e23" /: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (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 cmdliner.1.3.0 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved domain_shims.0.1.0 (cached) -> retrieved cppo.1.8.0 (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 ocaml-version.4.0.1 (cached) -> retrieved mdx.2.5.0 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved re.1.12.0 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved thread-table.1.0.0 (cached) -> retrieved result.1.5 (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 backoff.0.1.1 -> installed csexp.1.5.2 -> installed ocaml-version.4.0.1 -> installed result.1.5 -> installed thread-table.1.0.0 -> installed camlp-streams.5.0.1 -> installed multicore-magic.2.3.1 -> installed domain-local-await.1.0.1 -> installed cppo.1.8.0 -> installed yojson.3.0.0 -> installed re.1.12.0 -> installed mdx.2.5.0 Done. # To update the current shell environment, run: eval $(opam env) 2025-06-13 05:29.47 ---> saved as "8c1581f2357be320edd455923ec9bd2401b3fab993138f9c203b1f60a4218004" /: (copy (src .) (dst ./src)) 2025-06-13 05:29.49 ---> saved as "f85006e49ac7583539180d4a8e4227ab43d05f93fc0da493a0b7a5bbd1d04dcc" /: (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default/bench && ./main.exe -brief) Atomic: ops over time/cas int: 79.24 M/s ops over time/get: 618.03 M/s ops over time/incr: 121.15 M/s ops over time/push & pop: 48.35 M/s ops over time/swap: 60.02 M/s ops over time/xchg int: 81.31 M/s time per op/cas int: 12.62 ns time per op/get: 1.62 ns time per op/incr: 8.25 ns time per op/push & pop: 20.68 ns time per op/swap: 16.66 ns time per op/xchg int: 12.30 ns Atomic incr: ops over time/CAS, 1 domains: 71.20 M/s ops over time/CAS, 2 domains: 14.93 M/s ops over time/CAS, 4 domains: 9.94 M/s ops over time/CAS, 8 domains: 7.72 M/s ops over time/CAS with backoff, 1 domains: 70.72 M/s ops over time/CAS with backoff, 2 domains: 65.57 M/s ops over time/CAS with backoff, 4 domains: 54.15 M/s ops over time/CAS with backoff, 8 domains: 41.61 M/s ops over time/Incr, 1 domains: 121.20 M/s ops over time/Incr, 2 domains: 50.64 M/s ops over time/Incr, 4 domains: 39.41 M/s ops over time/Incr, 8 domains: 38.43 M/s time per op/CAS, 1 domains: 14.05 ns time per op/CAS, 2 domains: 133.94 ns time per op/CAS, 4 domains: 402.43 ns time per op/CAS, 8 domains: 1036.91 ns time per op/CAS with backoff, 1 domains: 14.14 ns time per op/CAS with backoff, 2 domains: 30.50 ns time per op/CAS with backoff, 4 domains: 73.87 ns time per op/CAS with backoff, 8 domains: 192.25 ns time per op/Incr, 1 domains: 8.25 ns time per op/Incr, 2 domains: 39.50 ns time per op/Incr, 4 domains: 101.50 ns time per op/Incr, 8 domains: 208.16 ns Bounded_q: messages over time/1 adder, 1 taker: 3.40 M/s messages over time/1 adder, 2 takers: 2.35 M/s messages over time/1 adder, 4 takers: 2.07 M/s messages over time/2 adders, 1 taker: 3.38 M/s messages over time/2 adders, 2 takers: 3.14 M/s messages over time/2 adders, 4 takers: 2.05 M/s messages over time/4 adders, 1 taker: 3.48 M/s messages over time/4 adders, 2 takers: 2.79 M/s messages over time/4 adders, 4 takers: 2.01 M/s messages over time/one domain: 7.93 M/s time per message/1 adder, 1 taker: 588.29 ns time per message/1 adder, 2 takers: 1274.92 ns time per message/1 adder, 4 takers: 2420.36 ns time per message/2 adders, 1 taker: 887.13 ns time per message/2 adders, 2 takers: 1272.62 ns time per message/2 adders, 4 takers: 2932.42 ns time per message/4 adders, 1 taker: 1434.80 ns time per message/4 adders, 2 takers: 2148.07 ns time per message/4 adders, 4 takers: 3982.41 ns time per message/one domain: 126.17 ns Hashtbl: operations over time/1 worker, 10% reads: 11.59 M/s operations over time/1 worker, 50% reads: 12.27 M/s operations over time/1 worker, 90% reads: 13.26 M/s operations over time/2 workers, 10% reads: 3.96 M/s operations over time/2 workers, 50% reads: 4.04 M/s operations over time/2 workers, 90% reads: 4.76 M/s operations over time/4 workers, 10% reads: 3.63 M/s operations over time/4 workers, 50% reads: 3.91 M/s operations over time/4 workers, 90% reads: 4.84 M/s operations over time/8 workers, 10% reads: 2.49 M/s operations over time/8 workers, 50% reads: 2.81 M/s operations over time/8 workers, 90% reads: 3.33 M/s operations over time/one domain, 10% reads: 21.02 M/s operations over time/one domain, 50% reads: 21.09 M/s operations over time/one domain, 90% reads: 25.94 M/s time per operation/1 worker, 10% reads: 86.26 ns time per operation/1 worker, 50% reads: 81.52 ns time per operation/1 worker, 90% reads: 75.40 ns time per operation/2 workers, 10% reads: 505.56 ns time per operation/2 workers, 50% reads: 495.61 ns time per operation/2 workers, 90% reads: 420.17 ns time per operation/4 workers, 10% reads: 1102.71 ns time per operation/4 workers, 50% reads: 1023.67 ns time per operation/4 workers, 90% reads: 826.53 ns time per operation/8 workers, 10% reads: 3214.38 ns time per operation/8 workers, 50% reads: 2847.59 ns time per operation/8 workers, 90% reads: 2403.08 ns time per operation/one domain, 10% reads: 47.57 ns time per operation/one domain, 50% reads: 47.41 ns time per operation/one domain, 90% reads: 38.54 ns Queue: messages over time/one domain: 25.42 M/s time per message/one domain: 39.34 ns Ref with Mutex: ops over time/cas int: 19.12 M/s ops over time/get: 20.53 M/s ops over time/incr: 20.45 M/s ops over time/push & pop: 17.26 M/s ops over time/swap: 18.17 M/s ops over time/xchg int: 19.13 M/s time per op/cas int: 52.29 ns time per op/get: 48.70 ns time per op/incr: 48.89 ns time per op/push & pop: 57.95 ns time per op/swap: 55.03 ns time per op/xchg int: 52.26 ns Ref with [@poll error]: ops over time/cas int: 158.87 M/s ops over time/get: 618.10 M/s ops over time/incr: 515.36 M/s ops over time/push & pop: 62.37 M/s ops over time/swap: 105.50 M/s ops over time/xchg int: 155.91 M/s time per op/cas int: 6.29 ns time per op/get: 1.62 ns time per op/incr: 1.94 ns time per op/push & pop: 16.03 ns time per op/swap: 9.48 ns time per op/xchg int: 6.41 ns Stack: messages over time/one domain: 32.45 M/s time per message/one domain: 30.82 ns Unix: blocking reads over time/1 worker: 1.15 M/s blocking reads over time/2 workers: 1.98 M/s blocking reads over time/4 workers: 3.15 M/s time per blocking read/1 worker: 871.88 ns time per blocking read/2 workers: 1010.93 ns time per blocking read/4 workers: 1269.95 ns 2025-06-13 05:30.02 ---> saved as "72bf47aaf3df0e67fbe9fdc142c512757a629e6ec080cef980acb0d918c3da8d" Job succeeded 2025-06-13 05:30.18: Job succeeded