2025-05-05 07:58.07: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (adb1f6a5d252f2a3952c65542f8dba1226ae5c3e) (linux-x86_64:debian-12-5.1_opam-2.3) Base: ocaml/opam:debian-12-ocaml-5.1@sha256:bef37a521e8b1151f21a58e602f596a97406ad66f1ae24ce280d0e179366c156 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 adb1f6a5 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-12-ocaml-5.1@sha256:bef37a521e8b1151f21a58e602f596a97406ad66f1ae24ce280d0e179366c156 # debian-12-5.1_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 35eb2f107a989a2d623b0bbe170696398fcb9b1e || git fetch origin master) && git reset -q --hard 35eb2f107a989a2d623b0bbe170696398fcb9b1e && 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-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.3.18.2 fmt.0.10.0 logs.0.8.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 ocaml.5.1.1 ocaml-base-compiler.5.1.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.0 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.2.2.2" 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 2025-05-05 07:58.07: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:debian-12-ocaml-5.1@sha256:bef37a521e8b1151f21a58e602f596a97406ad66f1ae24ce280d0e179366c156-debian-12-5.1_opam-2.3-d848e9f7441335605660bd9348c6f5df" 2025-05-05 07:58.07: Using OBuilder spec: ((from ocaml/opam:debian-12-ocaml-5.1@sha256:bef37a521e8b1151f21a58e602f596a97406ad66f1ae24ce280d0e179366c156) (comment debian-12-5.1_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 35eb2f107a989a2d623b0bbe170696398fcb9b1e || git fetch origin master) && git reset -q --hard 35eb2f107a989a2d623b0bbe170696398fcb9b1e && 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-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.3.18.2 fmt.0.10.0 logs.0.8.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 ocaml.5.1.1 ocaml-base-compiler.5.1.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.0 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.2.2.2") (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")) ) 2025-05-05 07:58.07: Waiting for resource in pool OCluster 2025-05-05 07:58.07: Waiting for worker… 2025-05-05 07:58.07: Got resource from pool OCluster Building on x86-bm-c3.sw.ocaml.org All commits already cached HEAD is now at adb1f6a Bench queues and stacks with heap allocated blocks (from ocaml/opam:debian-12-ocaml-5.1@sha256:bef37a521e8b1151f21a58e602f596a97406ad66f1ae24ce280d0e179366c156) 2025-05-05 07:58.08 ---> using "5e149d4139507a10a66ff352cf5a997eba68d9d98f736e66ea65ded058160a35" from cache /: (comment debian-12-5.1_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")) 2025-05-05 07:58.08 ---> saved as "ffc52572eebc77ee45b7f9d8c922f7a5f84e246f9ccfae294827d9df70d6e632" /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 2025-05-05 07:58.38 ---> saved as "e7b412abdde7640a49b04c6821547150bfeca5986f8cae17b8460ccee51e54b8" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-134-generic The OCaml toplevel, version 5.1.1 2.3.0 2025-05-05 07:58.38 ---> saved as "66ed1a58ef253b3636d0c09e57b8442b0ddb050be69d548c614e598bebac6b27" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-05-05 07:58.38 ---> saved as "c690379e8ab64d78cc02dd53a6e9d1c431cbdd8834d76a0a8615eecf7a596a50" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 35eb2f107a989a2d623b0bbe170696398fcb9b1e || git fetch origin master) && git reset -q --hard 35eb2f107a989a2d623b0bbe170696398fcb9b1e && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 34a3fc46c3..58c7821a2e master -> origin/master 35eb2f107a Merge pull request #27838 from maiste/release-dune-3.18.2 <><> 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) 2025-05-05 07:59.05 ---> saved as "d90cef2a66f762d29f8a2449195acad56d8fcb051959e4c6c08e5d49f014d314" /src: (copy (src multicore-bench.opam) (dst ./)) 2025-05-05 07:59.05 ---> saved as "3120a781660bca2d6cf052168e0f1256d4383722d814aa4c38ae0a0e55328fad" /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) 2025-05-05 07:59.07 ---> saved as "238b5aa91e6aa7549f382e57c7b3751e171283e72b39c703b7faef59b286ebc8" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-05-05 07:59.07 ---> saved as "baddbda671433aee35f6ab2833d56b9b86c1c24dab02e9586d062144048178c0" /src: (env DEPS "astring.0.8.5 backoff.0.1.1 base-bigarray.base base-domains.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.3.18.2 fmt.0.10.0 logs.0.8.0 mdx.2.5.0 mtime.2.1.0 multicore-magic.2.3.1 ocaml.5.1.1 ocaml-base-compiler.5.1.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.0 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.2.2.2") /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 bookworm InRelease - Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB] - Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB] - Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [258 kB] - Fetched 361 kB in 0s (1231 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-base-compiler is already installed (current version is 5.1.1). [NOTE] Package ocaml is already installed (current version is 5.1.1). [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-domains is already installed (current version is base). [NOTE] Package base-bigarray is already installed (current version is base). 2025-05-05 07:59.19 ---> saved as "e7806f25f55748d0fcf12c5a9c72c388b65477805b3a5159e3de2116433aefdb" /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-base-compiler is already installed (current version is 5.1.1). [NOTE] Package ocaml is already installed (current version is 5.1.1). [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-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 3.18.2 - 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 4.0.0 - 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 2.2.2 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved backoff.0.1.1 (cached) -> retrieved camlp-streams.5.0.1 (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 mdx.2.5.0 (cached) -> retrieved multicore-magic.2.3.1 (cached) -> retrieved ocaml-version.4.0.0 (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.2.2.2 (cached) -> retrieved dune.3.18.2 (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.3.18.2 -> installed domain_shims.0.1.0 -> installed csexp.1.5.2 -> installed backoff.0.1.1 -> installed thread-table.1.0.0 -> installed result.1.5 -> installed ocaml-version.4.0.0 -> 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.2.2.2 -> installed mdx.2.5.0 Done. # To update the current shell environment, run: eval $(opam env) 2025-05-05 08:00.00 ---> saved as "5bb21a736e3687f32fed1fe2545b90c07820731eef5fda6130b5e300a41cdd1f" /src: (copy (src .) (dst /src)) 2025-05-05 08:00.00 ---> saved as "c77bdeffad608b4f2b0dc9b99c86338ffa2816d9fda6461d991ad37dc0bedfd3" /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: 101.46 M/s ops over time/get: 510.11 M/s ops over time/incr: 105.63 M/s ops over time/push & pop: 34.46 M/s ops over time/swap: 50.73 M/s ops over time/xchg int: 101.73 M/s time per op/cas int: 9.86 ns time per op/get: 1.96 ns time per op/incr: 9.47 ns time per op/push & pop: 29.02 ns time per op/swap: 19.71 ns time per op/xchg int: 9.83 ns Atomic incr: ops over time/CAS, 1 domains: 69.36 M/s ops over time/CAS, 2 domains: 17.67 M/s ops over time/CAS, 4 domains: 25.84 M/s ops over time/CAS, 8 domains: 22.34 M/s ops over time/CAS with backoff, 1 domains: 80.10 M/s ops over time/CAS with backoff, 2 domains: 71.76 M/s ops over time/CAS with backoff, 4 domains: 30.68 M/s ops over time/CAS with backoff, 8 domains: 18.84 M/s ops over time/Incr, 1 domains: 106.63 M/s ops over time/Incr, 2 domains: 55.23 M/s ops over time/Incr, 4 domains: 47.25 M/s ops over time/Incr, 8 domains: 50.77 M/s time per op/CAS, 1 domains: 14.42 ns time per op/CAS, 2 domains: 113.15 ns time per op/CAS, 4 domains: 154.82 ns time per op/CAS, 8 domains: 358.15 ns time per op/CAS with backoff, 1 domains: 12.48 ns time per op/CAS with backoff, 2 domains: 27.87 ns time per op/CAS with backoff, 4 domains: 130.39 ns time per op/CAS with backoff, 8 domains: 424.54 ns time per op/Incr, 1 domains: 9.38 ns time per op/Incr, 2 domains: 36.21 ns time per op/Incr, 4 domains: 84.66 ns time per op/Incr, 8 domains: 157.57 ns Bounded_q: messages over time/1 adder, 1 taker: 3.05 M/s messages over time/1 adder, 2 takers: 2.80 M/s messages over time/1 adder, 4 takers: 0.80 M/s messages over time/2 adders, 1 taker: 2.41 M/s messages over time/2 adders, 2 takers: 2.06 M/s messages over time/2 adders, 4 takers: 0.91 M/s messages over time/4 adders, 1 taker: 1.82 M/s messages over time/4 adders, 2 takers: 1.38 M/s messages over time/4 adders, 4 takers: 1.20 M/s messages over time/one domain: 6.37 M/s time per message/1 adder, 1 taker: 656.26 ns time per message/1 adder, 2 takers: 1072.58 ns time per message/1 adder, 4 takers: 6262.96 ns time per message/2 adders, 1 taker: 1243.96 ns time per message/2 adders, 2 takers: 1945.44 ns time per message/2 adders, 4 takers: 6604.24 ns time per message/4 adders, 1 taker: 2749.86 ns time per message/4 adders, 2 takers: 4345.18 ns time per message/4 adders, 4 takers: 6656.31 ns time per message/one domain: 156.96 ns Hashtbl: operations over time/1 worker, 10% reads: 8.72 M/s operations over time/1 worker, 50% reads: 8.89 M/s operations over time/1 worker, 90% reads: 9.40 M/s operations over time/2 workers, 10% reads: 4.14 M/s operations over time/2 workers, 50% reads: 4.54 M/s operations over time/2 workers, 90% reads: 5.13 M/s operations over time/4 workers, 10% reads: 2.32 M/s operations over time/4 workers, 50% reads: 4.30 M/s operations over time/4 workers, 90% reads: 4.80 M/s operations over time/8 workers, 10% reads: 1.35 M/s operations over time/8 workers, 50% reads: 3.08 M/s operations over time/8 workers, 90% reads: 3.31 M/s operations over time/one domain, 10% reads: 16.62 M/s operations over time/one domain, 50% reads: 16.65 M/s operations over time/one domain, 90% reads: 19.29 M/s time per operation/1 worker, 10% reads: 114.73 ns time per operation/1 worker, 50% reads: 112.50 ns time per operation/1 worker, 90% reads: 106.42 ns time per operation/2 workers, 10% reads: 483.20 ns time per operation/2 workers, 50% reads: 440.52 ns time per operation/2 workers, 90% reads: 390.24 ns time per operation/4 workers, 10% reads: 1725.11 ns time per operation/4 workers, 50% reads: 931.15 ns time per operation/4 workers, 90% reads: 834.13 ns time per operation/8 workers, 10% reads: 5931.57 ns time per operation/8 workers, 50% reads: 2597.22 ns time per operation/8 workers, 90% reads: 2415.44 ns time per operation/one domain, 10% reads: 60.18 ns time per operation/one domain, 50% reads: 60.07 ns time per operation/one domain, 90% reads: 51.84 ns Queue: messages over time/one domain: 27.73 M/s time per message/one domain: 36.06 ns Ref with Mutex: ops over time/cas int: 16.46 M/s ops over time/get: 17.81 M/s ops over time/incr: 17.31 M/s ops over time/push & pop: 14.77 M/s ops over time/swap: 15.74 M/s ops over time/xchg int: 16.41 M/s time per op/cas int: 60.77 ns time per op/get: 56.16 ns time per op/incr: 57.77 ns time per op/push & pop: 67.72 ns time per op/swap: 63.54 ns time per op/xchg int: 60.93 ns Ref with [@poll error]: ops over time/cas int: 144.28 M/s ops over time/get: 509.47 M/s ops over time/incr: 253.09 M/s ops over time/push & pop: 36.47 M/s ops over time/swap: 89.33 M/s ops over time/xchg int: 136.14 M/s time per op/cas int: 6.93 ns time per op/get: 1.96 ns time per op/incr: 3.95 ns time per op/push & pop: 27.42 ns time per op/swap: 11.19 ns time per op/xchg int: 7.35 ns Stack: messages over time/one domain: 32.21 M/s time per message/one domain: 31.04 ns Unix: blocking reads over time/1 worker: 1.40 M/s blocking reads over time/2 workers: 2.77 M/s blocking reads over time/4 workers: 5.32 M/s time per blocking read/1 worker: 715.50 ns time per blocking read/2 workers: 722.18 ns time per blocking read/4 workers: 752.52 ns 2025-05-05 08:00.14 ---> saved as "eed9dc07d306008321694b85435750aeaf0d4569ed33f37bbe45800175956a1b" Job succeeded 2025-05-05 08:00.15: Job succeeded