2025-06-17 18:28.43: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (linux-x86_64:ubuntu-24.10-4.14_opam-2.3) Base: ocaml/opam:ubuntu-24.10-ocaml-4.14@sha256:515631437d3ba3dc11c57cfa77c309d55919eeb5b476d81dfaeaa9b85080697f 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-24.10-ocaml-4.14@sha256:515631437d3ba3dc11c57cfa77c309d55919eeb5b476d81dfaeaa9b85080697f # ubuntu-24.10-4.14_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 2025-06-17 18:28.43: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:ubuntu-24.10-ocaml-4.14@sha256:515631437d3ba3dc11c57cfa77c309d55919eeb5b476d81dfaeaa9b85080697f-ubuntu-24.10-4.14_opam-2.3-5e4c8ffe3a82688c609d0a76996fa04b" 2025-06-17 18:28.43: Using OBuilder spec: ((from ocaml/opam:ubuntu-24.10-ocaml-4.14@sha256:515631437d3ba3dc11c57cfa77c309d55919eeb5b476d81dfaeaa9b85080697f) (comment ubuntu-24.10-4.14_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")) ) 2025-06-17 18:28.43: Waiting for resource in pool OCluster 2025-06-17 20:31.00: Waiting for worker… 2025-06-17 20:34.14: Got resource from pool OCluster Building on asteria.caelum.ci.dev All commits already cached HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll (from ocaml/opam:ubuntu-24.10-ocaml-4.14@sha256:515631437d3ba3dc11c57cfa77c309d55919eeb5b476d81dfaeaa9b85080697f) 2025-06-17 21:04.08 ---> using "97fdbd7fb800699e57bf22ac6d763ef37fa57a9f3c6a029c7b220c64905375f5" from cache /: (comment ubuntu-24.10-4.14_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")) 2025-06-17 21:04.08 ---> using "703f2a5749876b1931102c9eecf43974a6bd92df955cabf94d2f8ba4990ce557" 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 2025-06-17 21:04.08 ---> using "a9261708f26729c5b855db0684aaf910a7c037e15ce735eb021c15bb646322fd" 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 2025-06-17 21:04.08 ---> using "d082c711a255d77988a9aeffc74c375030a63067a0e861f70193429234eb6b3b" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-06-17 21:04.08 ---> using "f746654e5af3371c94c8ce5c1fe09bad0fe7dfb71230364a5a61ea9b23dff474" 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")) 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) 2025-06-17 21:04.08 ---> using "f8ef43f78a4f230063dbbeda4e7de0e00d967391b1c2e17450d94c9f4420d7e3" from cache /src: (copy (src multicore-bench.opam) (dst ./)) 2025-06-17 21:04.08 ---> saved as "97a65ec501bd8d74ccee76ab643c382984e85f45472b14b1e155244643b954db" /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) 2025-06-17 21:04.10 ---> saved as "097ccafea4d75e1f806b2fb033e3381408cc9875f540dd35f86a3670f6b0699c" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-06-17 21:04.10 ---> saved as "b061d5c23d7eecad0b034d27c4b34e8ad7b405d616803e7ccfe4510fa37d88e8" /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 oracular InRelease - Get:2 http://archive.ubuntu.com/ubuntu oracular-updates InRelease [126 kB] - Get:3 http://archive.ubuntu.com/ubuntu oracular-backports InRelease [126 kB] - Get:4 http://archive.ubuntu.com/ubuntu oracular-updates/main amd64 Packages [552 kB] - Get:5 http://security.ubuntu.com/ubuntu oracular-security InRelease [126 kB] - Get:6 http://archive.ubuntu.com/ubuntu oracular-updates/universe amd64 Packages [347 kB] - Get:7 http://security.ubuntu.com/ubuntu oracular-security/main amd64 Packages [416 kB] - Get:8 http://security.ubuntu.com/ubuntu oracular-security/universe amd64 Packages [271 kB] - Fetched 1965 kB in 2s (1170 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 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). 2025-06-17 21:04.23 ---> saved as "3bd508962343782495c4991d7d5a5ef6e353b3cde73139256bb3f0dbd1c7d60d" /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 mdx.2.5.0 (cached) -> retrieved mtime.2.1.0 (cached) -> retrieved multicore-magic.2.3.1 (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 result.1.5 -> installed camlp-streams.5.0.1 -> installed ocaml-version.4.0.1 -> installed thread-table.1.0.0 -> installed backoff.0.1.1 -> 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) 2025-06-17 21:04.57 ---> saved as "e35a1fe510f72eca9c41a94d8f6de04140b8c1977a0eb4e33039e12cdcefb8b0" /src: (copy (src .) (dst /src)) 2025-06-17 21:04.57 ---> saved as "f012d943d993136f38386e461ebb3e956db234ac1e60b79127d38d795b16deb8" /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: 205.37 M/s ops over time/get: 2551.68 M/s ops over time/incr: 264.46 M/s ops over time/push & pop: 95.55 M/s ops over time/swap: 121.21 M/s ops over time/xchg int: 207.59 M/s time per op/cas int: 4.87 ns time per op/get: 0.39 ns time per op/incr: 3.78 ns time per op/push & pop: 10.47 ns time per op/swap: 8.25 ns time per op/xchg int: 4.82 ns Atomic incr: ops over time/CAS, 1 domains: 239.10 M/s ops over time/CAS with backoff, 1 domains: 223.90 M/s ops over time/Incr, 1 domains: 236.06 M/s time per op/CAS, 1 domains: 4.18 ns time per op/CAS with backoff, 1 domains: 4.47 ns time per op/Incr, 1 domains: 4.24 ns Bounded_q: messages over time/one domain: 15.12 M/s time per message/one domain: 66.13 ns Hashtbl: operations over time/1 worker, 10% reads: 16.28 M/s operations over time/1 worker, 50% reads: 15.96 M/s operations over time/1 worker, 90% reads: 19.63 M/s operations over time/2 workers, 10% reads: 16.09 M/s operations over time/2 workers, 50% reads: 15.65 M/s operations over time/2 workers, 90% reads: 19.25 M/s operations over time/4 workers, 10% reads: 15.63 M/s operations over time/4 workers, 50% reads: 15.37 M/s operations over time/4 workers, 90% reads: 19.06 M/s operations over time/8 workers, 10% reads: 14.12 M/s operations over time/8 workers, 50% reads: 14.15 M/s operations over time/8 workers, 90% reads: 18.27 M/s operations over time/one domain, 10% reads: 23.35 M/s operations over time/one domain, 50% reads: 22.98 M/s operations over time/one domain, 90% reads: 29.08 M/s time per operation/1 worker, 10% reads: 61.44 ns time per operation/1 worker, 50% reads: 62.66 ns time per operation/1 worker, 90% reads: 50.93 ns time per operation/2 workers, 10% reads: 124.28 ns time per operation/2 workers, 50% reads: 127.81 ns time per operation/2 workers, 90% reads: 103.89 ns time per operation/4 workers, 10% reads: 255.91 ns time per operation/4 workers, 50% reads: 260.19 ns time per operation/4 workers, 90% reads: 209.85 ns time per operation/8 workers, 10% reads: 566.50 ns time per operation/8 workers, 50% reads: 565.41 ns time per operation/8 workers, 90% reads: 437.97 ns time per operation/one domain, 10% reads: 42.83 ns time per operation/one domain, 50% reads: 43.51 ns time per operation/one domain, 90% reads: 34.39 ns Queue: messages over time/one domain: 42.49 M/s time per message/one domain: 23.53 ns Ref with Mutex: ops over time/cas int: 44.10 M/s ops over time/get: 63.86 M/s ops over time/incr: 51.90 M/s ops over time/push & pop: 47.28 M/s ops over time/swap: 44.39 M/s ops over time/xchg int: 45.98 M/s time per op/cas int: 22.68 ns time per op/get: 15.66 ns time per op/incr: 19.27 ns time per op/push & pop: 21.15 ns time per op/swap: 22.53 ns time per op/xchg int: 21.75 ns Ref with [@poll error]: ops over time/cas int: 246.15 M/s ops over time/get: 2571.28 M/s ops over time/incr: 287.82 M/s ops over time/push & pop: 96.43 M/s ops over time/swap: 143.75 M/s ops over time/xchg int: 260.77 M/s time per op/cas int: 4.06 ns time per op/get: 0.39 ns time per op/incr: 3.47 ns time per op/push & pop: 10.37 ns time per op/swap: 6.96 ns time per op/xchg int: 3.83 ns Stack: messages over time/one domain: 44.73 M/s time per message/one domain: 22.35 ns Unix: blocking reads over time/1 worker: 0.49 M/s time per blocking read/1 worker: 2044.50 ns 2025-06-17 21:05.02 ---> saved as "937238f41c3bbeb9b871a5b642e28896d9119d76f4c9fb03fb7bf967c4a8a0d7" Job succeeded 2025-06-17 21:05.02: Job succeeded