2025-09-16 10:13.44: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (linux-x86_64:ubuntu-22.04-5.3_opam-2.4) Base: ocaml/opam:ubuntu-22.04-ocaml-5.3@sha256:6c7955e0185185836d263d289dacb46372674bb2be83dc570321ce11c445832e 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 ocaml/opam:ubuntu-22.04-ocaml-5.3@sha256:6c7955e0185185836d263d289dacb46372674bb2be83dc570321ce11c445832e # ubuntu-22.04-5.3_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.4 /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 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && 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-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.3.20.2 fmt.0.11.0 logs.0.9.0 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.1.13.2 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.0 yojson.3.0.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.4 --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 2025-09-16 10:13.44: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:ubuntu-22.04-ocaml-5.3@sha256:6c7955e0185185836d263d289dacb46372674bb2be83dc570321ce11c445832e-ubuntu-22.04-5.3_opam-2.4-6002683b6d421cfbe1933c41f8fca838" 2025-09-16 10:13.44: Using OBuilder spec: ((from ocaml/opam:ubuntu-22.04-ocaml-5.3@sha256:6c7955e0185185836d263d289dacb46372674bb2be83dc570321ce11c445832e) (comment ubuntu-22.04-5.3_opam-2.4) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (run (shell "sudo ln -f /usr/bin/opam-2.4 /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 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && 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-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.3.20.2 fmt.0.11.0 logs.0.9.0 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.1.13.2 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.0 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=2.4 --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")) ) 2025-09-16 10:13.44: Waiting for resource in pool OCluster 2025-09-16 14:17.59: Waiting for worker… 2025-09-16 14:21.52: Got resource from pool OCluster Building on doris.caelum.ci.dev All commits already cached HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll (from ocaml/opam:ubuntu-22.04-ocaml-5.3@sha256:6c7955e0185185836d263d289dacb46372674bb2be83dc570321ce11c445832e) 2025-09-16 14:49.30 ---> using "84d5a24cc34d95fa0893803f1632642c34bae5424a408b1ab6b8f28a98dc9823" from cache /: (comment ubuntu-22.04-5.3_opam-2.4) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam")) 2025-09-16 14:49.30 ---> using "5502da855f135ff26bd454556a3a645fad01bd459758f8a80b9b35c45f8ff57d" 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 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 2025-09-16 14:49.30 ---> using "166fc33c0106f626b80f373e55c68935600a09fe26123ce9a8d2741fd563ab44" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-142-generic The OCaml toplevel, version 5.3.0 2.4.1 2025-09-16 14:49.30 ---> using "a1ab8b994d7df1eb0ad30e1a3aa72cad98b7f3caf63955d15f7a0cf6169b5d51" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-09-16 14:49.30 ---> using "0f742c2519e53e31181ec0f96a8854d5164996ff19726507722bf32dbe19cea7" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ee24528071..7949ff40d8 master -> origin/master 6ef6813522 Merge pull request #28449 from dra27/ocaml-compiler-msvc <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Already up-to-date. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2025-09-16 14:49.30 ---> using "62bf9e1f0fb367a7c1c72bf07d8222eb84c17bb96dd28163df40153e6bc7cfe0" from cache /src: (copy (src multicore-bench.opam) (dst ./)) 2025-09-16 14:49.30 ---> saved as "f59d66456895f090f9577a683f7dfbf588c8de6c607539ddfe384537ed2f9370" /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) 2025-09-16 14:49.33 ---> saved as "ba4db20a75402e7e83e1dd7932c356638b2cccd9607025165ce5afeca0b6930c" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-09-16 14:49.33 ---> saved as "81b6b6d4079fb020589b4d5ea07aca2740faf9d9520ccfda5de91729bc534d87" /src: (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.3.20.2 fmt.0.11.0 logs.0.9.0 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.1.13.2 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.0 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=2.4 --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://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB] - Get:4 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB] - Get:5 http://archive.ubuntu.com/ubuntu jammy-updates/multiverse amd64 Packages [88.8 kB] - Get:6 http://archive.ubuntu.com/ubuntu jammy-updates/restricted amd64 Packages [5627 kB] - Get:7 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [3624 kB] - Get:8 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1581 kB] - Get:9 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1274 kB] - Get:10 http://security.ubuntu.com/ubuntu jammy-security/multiverse amd64 Packages [80.3 kB] - Get:11 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [5441 kB] - Get:12 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [3311 kB] - Fetched 21.4 MB in 2s (11.4 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 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). 2025-09-16 14:49.47 ---> saved as "ddcf33ac2cce0dbc0ef8bb9718f819e7f6ad95a0c567b6271553d10192b29e02" /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-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 3.20.2 - install fmt 0.11.0 - install logs 0.9.0 - 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 1.13.2 - install result 1.5 - install seq base - install thread-table 1.0.0 - install topkg 1.1.0 - install yojson 3.0.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved astring.0.8.5 (cached) -> retrieved backoff.0.1.1 (cached) -> retrieved camlp-streams.5.0.1 (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.0.11.0 (cached) -> retrieved logs.0.9.0 (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.1.13.2 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved result.1.5 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved topkg.1.1.0 (cached) -> retrieved yojson.3.0.0 (cached) -> retrieved dune.3.20.2 (cached) -> installed cmdliner.1.3.0 -> installed ocamlfind.1.9.8 -> installed ocamlbuild.0.16.1 -> installed topkg.1.1.0 -> installed mtime.2.1.0 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed logs.0.9.0 -> installed dune.3.20.2 -> installed domain_shims.0.1.0 -> installed backoff.0.1.1 -> installed csexp.1.5.2 -> installed result.1.5 -> installed thread-table.1.0.0 -> installed ocaml-version.4.0.1 -> installed camlp-streams.5.0.1 -> installed multicore-magic.2.3.1 -> installed domain-local-await.1.0.1 -> installed re.1.13.2 -> 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) 2025-09-16 14:50.25 ---> saved as "ba518c2b190d5559bc479eda67c605c349da8f3d537642c5c28e5b679f7c3446" /src: (copy (src .) (dst /src)) 2025-09-16 14:50.25 ---> saved as "c429aa84c823662bebaf5853dba687a0b65ab5ce89a05814da1f99720efc5157" /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: 157.50 M/s ops over time/get: 2869.93 M/s ops over time/incr: 180.18 M/s ops over time/push & pop: 58.92 M/s ops over time/swap: 131.39 M/s ops over time/xchg int: 166.38 M/s time per op/cas int: 6.35 ns time per op/get: 0.35 ns time per op/incr: 5.55 ns time per op/push & pop: 16.97 ns time per op/swap: 7.61 ns time per op/xchg int: 6.01 ns Atomic incr: ops over time/CAS, 1 domains: 152.03 M/s ops over time/CAS, 2 domains: 55.56 M/s ops over time/CAS, 4 domains: 53.11 M/s ops over time/CAS, 8 domains: 36.25 M/s ops over time/CAS with backoff, 1 domains: 151.34 M/s ops over time/CAS with backoff, 2 domains: 65.52 M/s ops over time/CAS with backoff, 4 domains: 41.59 M/s ops over time/CAS with backoff, 8 domains: 33.80 M/s ops over time/Incr, 1 domains: 170.09 M/s ops over time/Incr, 2 domains: 80.18 M/s ops over time/Incr, 4 domains: 69.95 M/s ops over time/Incr, 8 domains: 77.44 M/s time per op/CAS, 1 domains: 6.58 ns time per op/CAS, 2 domains: 36.00 ns time per op/CAS, 4 domains: 75.31 ns time per op/CAS, 8 domains: 220.69 ns time per op/CAS with backoff, 1 domains: 6.61 ns time per op/CAS with backoff, 2 domains: 30.52 ns time per op/CAS with backoff, 4 domains: 96.18 ns time per op/CAS with backoff, 8 domains: 236.69 ns time per op/Incr, 1 domains: 5.88 ns time per op/Incr, 2 domains: 24.94 ns time per op/Incr, 4 domains: 57.18 ns time per op/Incr, 8 domains: 103.31 ns Bounded_q: messages over time/1 adder, 1 taker: 2.72 M/s messages over time/1 adder, 2 takers: 2.22 M/s messages over time/1 adder, 4 takers: 2.07 M/s messages over time/2 adders, 1 taker: 3.74 M/s messages over time/2 adders, 2 takers: 1.84 M/s messages over time/2 adders, 4 takers: 1.49 M/s messages over time/4 adders, 1 taker: 1.55 M/s messages over time/4 adders, 2 takers: 0.98 M/s messages over time/4 adders, 4 takers: 1.54 M/s messages over time/one domain: 13.82 M/s time per message/1 adder, 1 taker: 734.77 ns time per message/1 adder, 2 takers: 1352.14 ns time per message/1 adder, 4 takers: 2414.51 ns time per message/2 adders, 1 taker: 802.23 ns time per message/2 adders, 2 takers: 2176.57 ns time per message/2 adders, 4 takers: 4016.73 ns time per message/4 adders, 1 taker: 3233.04 ns time per message/4 adders, 2 takers: 6103.38 ns time per message/4 adders, 4 takers: 5181.41 ns time per message/one domain: 72.36 ns Hashtbl: operations over time/1 worker, 10% reads: 17.32 M/s operations over time/1 worker, 50% reads: 16.54 M/s operations over time/1 worker, 90% reads: 14.11 M/s operations over time/2 workers, 10% reads: 3.21 M/s operations over time/2 workers, 50% reads: 2.61 M/s operations over time/2 workers, 90% reads: 4.37 M/s operations over time/4 workers, 10% reads: 1.56 M/s operations over time/4 workers, 50% reads: 1.75 M/s operations over time/4 workers, 90% reads: 3.42 M/s operations over time/8 workers, 10% reads: 0.93 M/s operations over time/8 workers, 50% reads: 1.09 M/s operations over time/8 workers, 90% reads: 2.48 M/s operations over time/one domain, 10% reads: 23.52 M/s operations over time/one domain, 50% reads: 23.59 M/s operations over time/one domain, 90% reads: 32.46 M/s time per operation/1 worker, 10% reads: 57.73 ns time per operation/1 worker, 50% reads: 60.46 ns time per operation/1 worker, 90% reads: 70.85 ns time per operation/2 workers, 10% reads: 624.01 ns time per operation/2 workers, 50% reads: 765.04 ns time per operation/2 workers, 90% reads: 457.60 ns time per operation/4 workers, 10% reads: 2564.66 ns time per operation/4 workers, 50% reads: 2290.75 ns time per operation/4 workers, 90% reads: 1168.07 ns time per operation/8 workers, 10% reads: 8605.71 ns time per operation/8 workers, 50% reads: 7353.43 ns time per operation/8 workers, 90% reads: 3224.44 ns time per operation/one domain, 10% reads: 42.51 ns time per operation/one domain, 50% reads: 42.38 ns time per operation/one domain, 90% reads: 30.81 ns Queue: messages over time/one domain: 37.62 M/s time per message/one domain: 26.58 ns Ref with Mutex: ops over time/cas int: 45.66 M/s ops over time/get: 36.79 M/s ops over time/incr: 34.69 M/s ops over time/push & pop: 25.60 M/s ops over time/swap: 48.99 M/s ops over time/xchg int: 46.41 M/s time per op/cas int: 21.90 ns time per op/get: 27.18 ns time per op/incr: 28.82 ns time per op/push & pop: 39.06 ns time per op/swap: 20.41 ns time per op/xchg int: 21.55 ns Ref with [@poll error]: ops over time/cas int: 235.80 M/s ops over time/get: 2628.95 M/s ops over time/incr: 435.42 M/s ops over time/push & pop: 82.08 M/s ops over time/swap: 110.46 M/s ops over time/xchg int: 255.01 M/s time per op/cas int: 4.24 ns time per op/get: 0.38 ns time per op/incr: 2.30 ns time per op/push & pop: 12.18 ns time per op/swap: 9.05 ns time per op/xchg int: 3.92 ns Stack: messages over time/one domain: 36.26 M/s time per message/one domain: 27.58 ns Unix: blocking reads over time/1 worker: 1.04 M/s blocking reads over time/2 workers: 2.08 M/s blocking reads over time/4 workers: 4.14 M/s time per blocking read/1 worker: 960.14 ns time per blocking read/2 workers: 959.98 ns time per blocking read/4 workers: 965.54 ns 2025-09-16 14:50.39 ---> saved as "090c4ee6ab37caf5a1b5e76fd02db5e28d0cc8fcfaa34c53ab5600fb6da178ae" Job succeeded 2025-09-16 14:50.39: Job succeeded