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:ubuntu-22.04-4.14_opam-2.3) Base: ocaml/opam:ubuntu-22.04-ocaml-4.14@sha256:c980f6b0d44f646408a6da0b68ccee37aabe1d512bc2551eaa7b6a7f12e12efe 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:ubuntu-22.04-ocaml-4.14@sha256:c980f6b0d44f646408a6da0b68ccee37aabe1d512bc2551eaa7b6a7f12e12efe # ubuntu-22.04-4.14_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:ubuntu-22.04-ocaml-4.14@sha256:c980f6b0d44f646408a6da0b68ccee37aabe1d512bc2551eaa7b6a7f12e12efe-ubuntu-22.04-4.14_opam-2.3-5e4c8ffe3a82688c609d0a76996fa04b" 2025-06-12 14:21.29: Using OBuilder spec: ((from ocaml/opam:ubuntu-22.04-ocaml-4.14@sha256:c980f6b0d44f646408a6da0b68ccee37aabe1d512bc2551eaa7b6a7f12e12efe) (comment ubuntu-22.04-4.14_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 19:18.37: Waiting for worker… 2025-06-12 19:21.05: 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:ubuntu-22.04-ocaml-4.14@sha256:c980f6b0d44f646408a6da0b68ccee37aabe1d512bc2551eaa7b6a7f12e12efe) 2025-06-12 19:52.45 ---> using "d1d3b23962d55678bb9b5abf2fe8367fedd631a0d6556be1173502d405b3e0b6" from cache /: (comment ubuntu-22.04-4.14_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 19:52.45 ---> using "274d81381ec92c707b53caa99075cb2d3ae849a18026f70f9eee48c58b6e4c11" 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 19:52.45 ---> using "2cb76ba463f7d9ba2f71e8f2c7ab108250695613b50584da06d4259acf24f238" 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 19:52.45 ---> using "ec40ed72a3883d689e443e675288c2e44e39f26374e026df56c2fe54865670cb" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-06-12 19:52.45 ---> using "edf5fdb24b3dd9af66ad958b0ca69d53a80ab213966e5c91c2f6d263818a68f4" 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 ac2e5da567..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 19:52.45 ---> using "a9abd343817a3b8bfc08c1dd9fcfd3df3826ca8b6548861e7d07f39c8001160c" from cache /src: (copy (src multicore-bench.opam) (dst ./)) 2025-06-12 19:52.45 ---> saved as "31da85f30b0f28aad904c4a18481977590733e9897c5a7642cff73eccbe94a38" /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 19:52.47 ---> saved as "acea61bb6256967b2a95d7d93bd7184bf7ab8099c2a6702a1129367e02ac424d" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-06-12 19:52.48 ---> saved as "b1aa1f1c20f231c0db3ee2e7ffcef6e968f70877c32f11f7856b5e4f5cf65abb" /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 "apt-get" "update" - Hit:1 http://archive.ubuntu.com/ubuntu jammy InRelease - Get:2 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [128 kB] - Get:3 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB] - Get:4 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB] - Get:5 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [4476 kB] - Get:6 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1246 kB] - Get:7 http://archive.ubuntu.com/ubuntu jammy-updates/restricted amd64 Packages [4630 kB] - Get:8 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [2984 kB] - Get:9 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1553 kB] - Get:10 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [3296 kB] - Fetched 18.6 MB in 1s (15.9 MB/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 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 19:53.03 ---> saved as "c425f2cef17efa19d1bf4a33a8f03171ef3cf896da574ceaef7ff4dfb70527fa" /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 camlp-streams.5.0.1 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved cmdliner.1.3.0 (cached) -> retrieved cppo.1.8.0 (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 ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (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 camlp-streams.5.0.1 -> 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 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 19:53.39 ---> saved as "44fdbe00093d104d181a16d5314817dc1f42a3de86ba54e043f8688613c043d8" /src: (copy (src .) (dst /src)) 2025-06-12 19:53.39 ---> saved as "d9c810c740937e1531a85f5c8ca7e436f2b0a6ba528824d8c31225aa9b9c4cdb" /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: 181.56 M/s ops over time/get: 653.70 M/s ops over time/incr: 254.19 M/s ops over time/push & pop: 95.15 M/s ops over time/swap: 111.78 M/s ops over time/xchg int: 192.23 M/s time per op/cas int: 5.51 ns time per op/get: 1.53 ns time per op/incr: 3.93 ns time per op/push & pop: 10.51 ns time per op/swap: 8.95 ns time per op/xchg int: 5.20 ns Atomic incr: ops over time/CAS, 1 domains: 225.71 M/s ops over time/CAS with backoff, 1 domains: 224.80 M/s ops over time/Incr, 1 domains: 241.40 M/s time per op/CAS, 1 domains: 4.43 ns time per op/CAS with backoff, 1 domains: 4.45 ns time per op/Incr, 1 domains: 4.14 ns Bounded_q: messages over time/one domain: 15.63 M/s time per message/one domain: 63.98 ns Hashtbl: operations over time/1 worker, 10% reads: 16.49 M/s operations over time/1 worker, 50% reads: 16.19 M/s operations over time/1 worker, 90% reads: 19.66 M/s operations over time/2 workers, 10% reads: 16.33 M/s operations over time/2 workers, 50% reads: 16.03 M/s operations over time/2 workers, 90% reads: 19.78 M/s operations over time/4 workers, 10% reads: 15.84 M/s operations over time/4 workers, 50% reads: 15.59 M/s operations over time/4 workers, 90% reads: 19.08 M/s operations over time/8 workers, 10% reads: 15.86 M/s operations over time/8 workers, 50% reads: 14.51 M/s operations over time/8 workers, 90% reads: 17.86 M/s operations over time/one domain, 10% reads: 19.38 M/s operations over time/one domain, 50% reads: 22.79 M/s operations over time/one domain, 90% reads: 29.27 M/s time per operation/1 worker, 10% reads: 60.65 ns time per operation/1 worker, 50% reads: 61.78 ns time per operation/1 worker, 90% reads: 50.88 ns time per operation/2 workers, 10% reads: 122.45 ns time per operation/2 workers, 50% reads: 124.76 ns time per operation/2 workers, 90% reads: 101.10 ns time per operation/4 workers, 10% reads: 252.56 ns time per operation/4 workers, 50% reads: 256.65 ns time per operation/4 workers, 90% reads: 209.69 ns time per operation/8 workers, 10% reads: 504.47 ns time per operation/8 workers, 50% reads: 551.41 ns time per operation/8 workers, 90% reads: 448.01 ns time per operation/one domain, 10% reads: 51.59 ns time per operation/one domain, 50% reads: 43.89 ns time per operation/one domain, 90% reads: 34.16 ns Queue: messages over time/one domain: 39.68 M/s time per message/one domain: 25.20 ns Ref with Mutex: ops over time/cas int: 54.77 M/s ops over time/get: 56.08 M/s ops over time/incr: 52.29 M/s ops over time/push & pop: 51.81 M/s ops over time/swap: 53.58 M/s ops over time/xchg int: 54.97 M/s time per op/cas int: 18.26 ns time per op/get: 17.83 ns time per op/incr: 19.12 ns time per op/push & pop: 19.30 ns time per op/swap: 18.66 ns time per op/xchg int: 18.19 ns Ref with [@poll error]: ops over time/cas int: 249.45 M/s ops over time/get: 654.39 M/s ops over time/incr: 304.45 M/s ops over time/push & pop: 95.68 M/s ops over time/swap: 133.63 M/s ops over time/xchg int: 250.97 M/s time per op/cas int: 4.01 ns time per op/get: 1.53 ns time per op/incr: 3.28 ns time per op/push & pop: 10.45 ns time per op/swap: 7.48 ns time per op/xchg int: 3.98 ns Stack: messages over time/one domain: 44.03 M/s time per message/one domain: 22.71 ns Unix: blocking reads over time/1 worker: 0.52 M/s time per blocking read/1 worker: 1928.89 ns 2025-06-12 19:53.44 ---> saved as "0085e6e6111dc8afe2754d4863164d077d683c2ea96d9082381afce6df42bb4c" Job succeeded 2025-06-12 19:53.44: Job succeeded