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:alpine-3.21-4.14_opam-2.3) Base: ocaml/opam:alpine-3.21-ocaml-4.14@sha256:2a715c092c4ab201120243e7efc44191d8c5aef3c1bf63ab56cfedfe3a662ad3 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:alpine-3.21-ocaml-4.14@sha256:2a715c092c4ab201120243e7efc44191d8c5aef3c1bf63ab56cfedfe3a662ad3 # alpine-3.21-4.14_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-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.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 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:alpine-3.21-ocaml-4.14@sha256:2a715c092c4ab201120243e7efc44191d8c5aef3c1bf63ab56cfedfe3a662ad3-alpine-3.21-4.14_opam-2.3-5e4c8ffe3a82688c609d0a76996fa04b" 2025-06-12 14:21.29: Using OBuilder spec: ((from ocaml/opam:alpine-3.21-ocaml-4.14@sha256:2a715c092c4ab201120243e7efc44191d8c5aef3c1bf63ab56cfedfe3a662ad3) (comment alpine-3.21-4.14_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-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.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 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 19:18.52: Waiting for worker… 2025-06-12 19:21.24: Got resource from pool OCluster Building on asteria.caelum.ci.dev All commits already cached HEAD is now at d2dcd9f Try to avoid false sharing (from ocaml/opam:alpine-3.21-ocaml-4.14@sha256:2a715c092c4ab201120243e7efc44191d8c5aef3c1bf63ab56cfedfe3a662ad3) 2025-06-12 19:21.24 ---> using "cae3f84721b1d1626d38afde4577807843a0da8ba3807fc3f5f4606864be9e98" from cache /: (comment alpine-3.21-4.14_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 19:21.24 ---> using "2a1b55d524b2e4107c58bb0f26b0966461f7df889d8d2380d6f73d40780d70fd" 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 19:21.24 ---> using "ee8cb0dc9d3d805aacaba9dc7c4502800e2864636d991c4f741219dd208e85a6" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-134-generic The OCaml toplevel, version 4.14.2 2.3.0 2025-06-12 19:21.24 ---> using "13db3bce6da9230f287f61b091a5e2118713d0477a02ba9ea85403d455daf23b" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-06-12 19:21.24 ---> using "12e1496ffec8af3593a23abc2f334891938014651abc1cbaa893a5408d93075d" 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 19:21.24 ---> using "43d9fb45af61a94bfd041b0a3b765b2a34b33d725942118f283ffcda07bb3307" from cache /src: (copy (src multicore-bench.opam) (dst ./)) 2025-06-12 19:21.25 ---> saved as "bff96479f002ad836237d0143ed9fb8733f4c41219ad9aa15bbc0650665ea0ab" /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 19:21.27 ---> saved as "d2e5da95570062d4347c32ec7b9120f0cd7a58e3dc7ab9dd31f7c0a70d6a3458" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-06-12 19:21.27 ---> saved as "fb54c80e1c073b17f83f1e18da1efe456852dcfe1376e8e9326bfb0c37232057" /src: (env DEPS "astring.0.8.5 backoff.0.1.1 base-bigarray.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.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 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 "apk" "update" - fetch https://dl-cdn.alpinelinux.org/alpine/v3.21/main/x86_64/APKINDEX.tar.gz - fetch https://dl-cdn.alpinelinux.org/alpine/v3.21/community/x86_64/APKINDEX.tar.gz - fetch https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz - fetch https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz - fetch https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz - v3.21.3-603-g364e1f9788f [https://dl-cdn.alpinelinux.org/alpine/v3.21/main] - v3.21.3-602-gf01bbdd96f0 [https://dl-cdn.alpinelinux.org/alpine/v3.21/community] - v3.23.0_alpha20250612-31-g27f3e5633d0 [https://dl-cdn.alpinelinux.org/alpine/edge/main] - v3.23.0_alpha20250612-4-g040ffd45b32 [https://dl-cdn.alpinelinux.org/alpine/edge/community] - v3.23.0_alpha20250612-4-g040ffd45b32 [https://dl-cdn.alpinelinux.org/alpine/edge/testing] - OK: 58711 distinct packages available <><> 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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2). [NOTE] Package ocaml is already installed (current version is 4.14.2). [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-bigarray is already installed (current version is base). 2025-06-12 19:21.39 ---> saved as "0d51557609782ff21a3e5c77f481ca77a87dbd885729502cf5f9a6a3dfd22979" /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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2). [NOTE] Package ocaml is already installed (current version is 4.14.2). [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-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 backoff.0.1.1 (cached) -> retrieved astring.0.8.5 (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.0.10.0 (cached) -> retrieved logs.0.8.0 (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.1.12.0 (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 ocamlbuild.0.16.1 -> installed ocamlfind.1.9.8 -> 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 result.1.5 -> installed backoff.0.1.1 -> installed camlp-streams.5.0.1 -> installed thread-table.1.0.0 -> installed ocaml-version.4.0.1 -> installed multicore-magic.2.3.1 -> 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 19:22.15 ---> saved as "41d14163918bc1af038dbf05cb0abe9d3b3d137f18deafdea0af710d7fceb613" /src: (copy (src .) (dst /src)) 2025-06-12 19:22.15 ---> saved as "0ced65e8eccef41e6b7f62fe09bb7dcfe73bbc1f94e5272486808f8c2d70e0ca" /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: 219.52 M/s ops over time/get: 653.70 M/s ops over time/incr: 254.38 M/s ops over time/push & pop: 90.18 M/s ops over time/swap: 103.34 M/s ops over time/xchg int: 233.41 M/s time per op/cas int: 4.56 ns time per op/get: 1.53 ns time per op/incr: 3.93 ns time per op/push & pop: 11.09 ns time per op/swap: 9.68 ns time per op/xchg int: 4.28 ns Atomic incr: ops over time/CAS, 1 domains: 198.01 M/s ops over time/CAS with backoff, 1 domains: 224.11 M/s ops over time/Incr, 1 domains: 235.54 M/s time per op/CAS, 1 domains: 5.05 ns time per op/CAS with backoff, 1 domains: 4.46 ns time per op/Incr, 1 domains: 4.25 ns Bounded_q: messages over time/one domain: 14.23 M/s time per message/one domain: 70.28 ns Hashtbl: operations over time/1 worker, 10% reads: 15.07 M/s operations over time/1 worker, 50% reads: 14.85 M/s operations over time/1 worker, 90% reads: 18.59 M/s operations over time/2 workers, 10% reads: 15.14 M/s operations over time/2 workers, 50% reads: 14.83 M/s operations over time/2 workers, 90% reads: 18.56 M/s operations over time/4 workers, 10% reads: 15.19 M/s operations over time/4 workers, 50% reads: 14.51 M/s operations over time/4 workers, 90% reads: 18.09 M/s operations over time/8 workers, 10% reads: 13.59 M/s operations over time/8 workers, 50% reads: 13.95 M/s operations over time/8 workers, 90% reads: 17.62 M/s operations over time/one domain, 10% reads: 23.05 M/s operations over time/one domain, 50% reads: 22.42 M/s operations over time/one domain, 90% reads: 29.04 M/s time per operation/1 worker, 10% reads: 66.37 ns time per operation/1 worker, 50% reads: 67.35 ns time per operation/1 worker, 90% reads: 53.79 ns time per operation/2 workers, 10% reads: 132.12 ns time per operation/2 workers, 50% reads: 134.85 ns time per operation/2 workers, 90% reads: 107.74 ns time per operation/4 workers, 10% reads: 263.25 ns time per operation/4 workers, 50% reads: 275.73 ns time per operation/4 workers, 90% reads: 221.17 ns time per operation/8 workers, 10% reads: 588.83 ns time per operation/8 workers, 50% reads: 573.41 ns time per operation/8 workers, 90% reads: 454.08 ns time per operation/one domain, 10% reads: 43.38 ns time per operation/one domain, 50% reads: 44.61 ns time per operation/one domain, 90% reads: 34.44 ns Queue: messages over time/one domain: 42.34 M/s time per message/one domain: 23.62 ns Ref with Mutex: ops over time/cas int: 47.71 M/s ops over time/get: 57.62 M/s ops over time/incr: 57.12 M/s ops over time/push & pop: 47.33 M/s ops over time/swap: 49.28 M/s ops over time/xchg int: 46.14 M/s time per op/cas int: 20.96 ns time per op/get: 17.36 ns time per op/incr: 17.51 ns time per op/push & pop: 21.13 ns time per op/swap: 20.29 ns time per op/xchg int: 21.67 ns Ref with [@poll error]: ops over time/cas int: 251.35 M/s ops over time/get: 653.69 M/s ops over time/incr: 304.70 M/s ops over time/push & pop: 90.90 M/s ops over time/swap: 135.81 M/s ops over time/xchg int: 253.27 M/s time per op/cas int: 3.98 ns time per op/get: 1.53 ns time per op/incr: 3.28 ns time per op/push & pop: 11.00 ns time per op/swap: 7.36 ns time per op/xchg int: 3.95 ns Stack: messages over time/one domain: 45.93 M/s time per message/one domain: 21.77 ns Unix: blocking reads over time/1 worker: 0.55 M/s time per blocking read/1 worker: 1813.25 ns 2025-06-12 19:22.21 ---> saved as "62fec752dd4040ea915c87f484196be5a506b4300959bc587bf885ed0c029473" Job succeeded 2025-06-12 19:22.21: Job succeeded