2026-02-13 08:07.01: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (openbsd-amd64:openbsd-77-amd64-5.4_opam-2.5) Base: openbsd-77-amd64-ocaml-5.4 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 efb15d85 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM openbsd-77-amd64-ocaml-5.4 # openbsd-77-amd64-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" RUN doas ln -f /usr/bin/opam-2.5 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version RUN cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 multicore-bench.opam /home/opam/src/./ RUN opam pin add -yn multicore-bench.dev '/home/opam/src/./' RUN echo '(lang dune 3.0)' > '/home/opam/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.2.1.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.21.1 fmt.0.11.0 logs.0.10.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 result.1.5 thread-table.1.0.0 topkg.1.1.1 yojson.3.0.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y multicore-bench.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /home/opam/src RUN cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-02-13 08:07.01: Using cache hint "ocaml-multicore/multicore-bench-openbsd-77-amd64-ocaml-5.4-openbsd-77-amd64-5.4_opam-2.5-ca9771ecc62fd6bbba007243926da734" 2026-02-13 08:07.01: Using OBuilder spec: ((from openbsd-77-amd64-ocaml-5.4) (comment openbsd-77-amd64-5.4_opam-2.5) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (run (shell "doas ln -f /usr/bin/opam-2.5 /usr/bin/opam")) (run (shell "opam init --reinit -ni")) (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src multicore-bench.opam) (dst /home/opam/src/./)) (run (network host) (shell "opam pin add -yn multicore-bench.dev '/home/opam/src/./'")) (run (network host) (shell "echo '(lang dune 3.0)' > '/home/opam/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.2.1.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.21.1 fmt.0.11.0 logs.0.10.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 result.1.5 thread-table.1.0.0 topkg.1.1.1 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=2.5 --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 /home/opam/src)) (run (shell "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build")) ) 2026-02-13 08:07.01: Waiting for resource in pool OCluster 2026-02-13 12:21.14: Waiting for worker… 2026-02-13 16:21.33: Got resource from pool OCluster Building on oregano All commits already cached HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll (from openbsd-77-amd64-ocaml-5.4) 2026-02-13 16:21.33 ---> using "8424522d1f78b81b26ba463ba357c8ca122e0f74070b621aa84fc80c68430631" from cache /: (comment openbsd-77-amd64-5.4_opam-2.5) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (run (shell "doas ln -f /usr/bin/opam-2.5 /usr/bin/opam")) 2026-02-13 16:21.33 ---> using "cd72dc3a3c8ea2afd18b1257d8b5421d0f9a4dafb0a258b995fdf62c1e2a67c4" 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. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from file:///home/opam/opam-repository 2026-02-13 16:21.33 ---> using "25ee98d58d8c907869f6fd5004c258d71c5033e73edf1fe48b86a48a34773b77" from cache /: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) OpenBSD 7.7 The OCaml toplevel, version 5.4.0 2.5.0 2026-02-13 16:21.33 ---> using "b97072ad387d97fa49b3fc7ece6dbbedda3ad8df05946df9b57bbb8c1e1ea296" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 93a7bce43a..302e116c40 master -> origin/master 302e116c40 Merge pull request #29374 from shonfeder/release-dune-3.21.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from file:///home/opam/opam-repository Already up-to-date. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-02-13 16:21.33 ---> using "8c01c926ad87a914679da1775f06ccb28a015a3c5bc0ec52bba0c455972c112a" from cache /: (copy (src multicore-bench.opam) (dst /home/opam/src/./)) 2026-02-13 16:22.16 ---> saved as "250f106e9179e4485afe71cf2ba21afbb2e35ba5758324271e023195bb7a123e" /: (run (network host) (shell "opam pin add -yn multicore-bench.dev '/home/opam/src/./'")) [multicore-bench.dev] synchronised (file:///home/opam/src) multicore-bench is now pinned to file:///home/opam/src (version dev) 2026-02-13 16:23.00 ---> saved as "f4e16f908adeb01db66a71a173de9ad21a7022cfbbc5b0bdcc13539a0806b59f" /: (run (network host) (shell "echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'")) 2026-02-13 16:23.42 ---> saved as "52812cbd2259cddb881ea9556966e18dfff091a1dcfb02120d421eb35e9a30f2" /: (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.2.1.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.21.1 fmt.0.11.0 logs.0.10.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 result.1.5 thread-table.1.0.0 topkg.1.1.1 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=2.5 --depext-only -y multicore-bench.dev $DEPS")) [WARNING] Unknown update command for bsd, skipping system update <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [multicore-bench.dev] synchronised (file:///home/opam/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 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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). # To update the current shell environment, run: eval $(opam env) 2026-02-13 16:24.41 ---> saved as "39108d3744fabfac57a26f8e48cae704667dbb62b1bd60a95e323c46edee443d" /: (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 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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 22 packages - install astring 0.8.5 - install backoff 0.1.1 - install camlp-streams 5.0.1 - install cmdliner 2.1.0 - 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 3.21.1 - install fmt 0.11.0 - install logs 0.10.0 - install mdx 2.5.1 - install mtime 2.1.0 - install multicore-magic 2.3.2 - install ocaml-version 4.0.3 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install re 1.14.0 - install result 1.5 - install thread-table 1.0.0 - install topkg 1.1.1 - 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.2.1.0 (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.0.11.0 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved mtime.2.1.0 (cached) -> retrieved mdx.2.5.1 (cached) -> retrieved multicore-magic.2.3.2 (cached) -> retrieved ocaml-version.4.0.3 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved re.1.14.0 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved result.1.5 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved yojson.3.0.0 (cached) -> retrieved dune.3.21.1 (cached) -> installed cmdliner.2.1.0 -> installed ocamlbuild.0.16.1 -> installed ocamlfind.1.9.8 -> installed topkg.1.1.1 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed mtime.2.1.0 -> installed logs.0.10.0 -> installed dune.3.21.1 -> installed backoff.0.1.1 -> installed camlp-streams.5.0.1 -> installed domain_shims.0.1.0 -> installed csexp.1.5.2 -> installed ocaml-version.4.0.3 -> installed cppo.1.8.0 -> installed multicore-magic.2.3.2 -> installed result.1.5 -> installed thread-table.1.0.0 -> installed domain-local-await.1.0.1 -> installed yojson.3.0.0 -> installed re.1.14.0 -> installed mdx.2.5.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-02-13 16:29.19 ---> saved as "e43f108cfca35303a1d2429f49a47f099d511bb44ec8db2c6b4d7921e7ed8f9e" /: (copy (src .) (dst /home/opam/src)) 2026-02-13 16:30.16 ---> saved as "8a7a8953eb8a633c572d52bb8e679ed87fa9bf7107b880493a8b268cefc2868d" /: (run (shell "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default/bench && ./main.exe -brief) Atomic: ops over time/cas int: 63.84 M/s ops over time/get: 1202.45 M/s ops over time/incr: 52.47 M/s ops over time/push & pop: 9.03 M/s ops over time/swap: 44.29 M/s ops over time/xchg int: 59.05 M/s time per op/cas int: 15.66 ns time per op/get: 0.83 ns time per op/incr: 19.06 ns time per op/push & pop: 110.70 ns time per op/swap: 22.58 ns time per op/xchg int: 16.93 ns Atomic incr: ops over time/CAS, 1 domains: 49.69 M/s ops over time/CAS, 2 domains: 18.42 M/s ops over time/CAS, 4 domains: 6.04 M/s ops over time/CAS with backoff, 1 domains: 52.94 M/s ops over time/CAS with backoff, 2 domains: 34.06 M/s ops over time/CAS with backoff, 4 domains: 14.80 M/s ops over time/Incr, 1 domains: 74.61 M/s ops over time/Incr, 2 domains: 38.68 M/s ops over time/Incr, 4 domains: 35.98 M/s time per op/CAS, 1 domains: 20.13 ns time per op/CAS, 2 domains: 108.59 ns time per op/CAS, 4 domains: 662.63 ns time per op/CAS with backoff, 1 domains: 18.89 ns time per op/CAS with backoff, 2 domains: 58.72 ns time per op/CAS with backoff, 4 domains: 270.22 ns time per op/Incr, 1 domains: 13.40 ns time per op/Incr, 2 domains: 51.71 ns time per op/Incr, 4 domains: 111.18 ns Bounded_q: messages over time/1 adder, 1 taker: 2.83 M/s messages over time/1 adder, 2 takers: 1.32 M/s messages over time/2 adders, 1 taker: 2.10 M/s messages over time/2 adders, 2 takers: 1.76 M/s messages over time/one domain: 5.07 M/s time per message/1 adder, 1 taker: 705.69 ns time per message/1 adder, 2 takers: 2280.77 ns time per message/2 adders, 1 taker: 1429.09 ns time per message/2 adders, 2 takers: 2268.15 ns time per message/one domain: 197.38 ns Hashtbl: operations over time/1 worker, 10% reads: 3.93 M/s operations over time/1 worker, 50% reads: 7.58 M/s operations over time/1 worker, 90% reads: 8.11 M/s operations over time/2 workers, 10% reads: 1.50 M/s operations over time/2 workers, 50% reads: 4.28 M/s operations over time/2 workers, 90% reads: 3.73 M/s operations over time/4 workers, 10% reads: 1.23 M/s operations over time/4 workers, 50% reads: 2.80 M/s operations over time/4 workers, 90% reads: 2.66 M/s operations over time/8 workers, 10% reads: 1.26 M/s operations over time/8 workers, 50% reads: 1.35 M/s operations over time/8 workers, 90% reads: 2.13 M/s operations over time/one domain, 10% reads: 10.40 M/s operations over time/one domain, 50% reads: 11.97 M/s operations over time/one domain, 90% reads: 19.87 M/s time per operation/1 worker, 10% reads: 254.59 ns time per operation/1 worker, 50% reads: 132.01 ns time per operation/1 worker, 90% reads: 123.35 ns time per operation/2 workers, 10% reads: 1335.25 ns time per operation/2 workers, 50% reads: 467.14 ns time per operation/2 workers, 90% reads: 536.48 ns time per operation/4 workers, 10% reads: 3254.09 ns time per operation/4 workers, 50% reads: 1427.01 ns time per operation/4 workers, 90% reads: 1502.75 ns time per operation/8 workers, 10% reads: 6373.06 ns time per operation/8 workers, 50% reads: 5943.25 ns time per operation/8 workers, 90% reads: 3750.89 ns time per operation/one domain, 10% reads: 96.16 ns time per operation/one domain, 50% reads: 83.56 ns time per operation/one domain, 90% reads: 50.34 ns Queue: messages over time/one domain: 11.18 M/s time per message/one domain: 89.42 ns Ref with Mutex: ops over time/cas int: 11.30 M/s ops over time/get: 13.58 M/s ops over time/incr: 13.38 M/s ops over time/push & pop: 10.65 M/s ops over time/swap: 10.96 M/s ops over time/xchg int: 12.14 M/s time per op/cas int: 88.51 ns time per op/get: 73.62 ns time per op/incr: 74.76 ns time per op/push & pop: 93.87 ns time per op/swap: 91.24 ns time per op/xchg int: 82.38 ns Ref with [@poll error]: ops over time/cas int: 118.74 M/s ops over time/get: 642.42 M/s ops over time/incr: 127.62 M/s ops over time/push & pop: 19.71 M/s ops over time/swap: 74.50 M/s ops over time/xchg int: 38.14 M/s time per op/cas int: 8.42 ns time per op/get: 1.56 ns time per op/incr: 7.84 ns time per op/push & pop: 50.73 ns time per op/swap: 13.42 ns time per op/xchg int: 26.22 ns Stack: messages over time/one domain: 27.92 M/s time per message/one domain: 35.81 ns Unix: blocking reads over time/1 worker: 0.46 M/s blocking reads over time/2 workers: 0.87 M/s blocking reads over time/4 workers: 1.29 M/s time per blocking read/1 worker: 2185.99 ns time per blocking read/2 workers: 2287.90 ns time per blocking read/4 workers: 3109.39 ns 2026-02-13 16:33.04 ---> saved as "6dad8f74e9cd77c4f56e9132653e12dd40b16b546b69b42225e1f735f5e17f83" Job succeeded 2026-02-13 16:33.04: Job succeeded