debian-12-5.3_arm32_opam-2.3

2025-06-14 20:09.10: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (linux-arm64:debian-12-5.3_arm32_opam-2.3)
Base: ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a
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:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a
# debian-12-5.3_arm32_opam-2.3
USER 1000:1000
SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]
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-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.3.19.1 fmt.0.10.0 logs.0.8.0 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-option-bytecode-only.1 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


2025-06-14 20:09.10: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a-debian-12-5.3_arm32_opam-2.3-48e4076f7d04cda230c88951f580c47b"
2025-06-14 20:09.10: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a)
(comment debian-12-5.3_arm32_opam-2.3)
(user (uid 1000) (gid 1000))
(shell /usr/bin/linux32 /bin/sh -c)
(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-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.3.19.1 fmt.0.10.0 logs.0.8.0 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-option-bytecode-only.1 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"))
)


2025-06-14 20:09.10: Waiting for resource in pool OCluster
2025-06-14 20:09.10: Waiting for worker…
2025-06-14 20:09.10: Got resource from pool OCluster
Building on molpadia.caelum.ci.dev
HEAD is now at d2dcd9f Try to avoid false sharing
HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll


(from ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a)
Unable to find image 'ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a' locally
docker.io/ocaml/opam@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a: Pulling from ocaml/opam
Digest: sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a
Status: Downloaded newer image for ocaml/opam@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a
WARNING: The requested image's platform (linux/arm/v7) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested
2025-06-14 20:09.11 ---> using "7d0f3bbf8e4606467990f0d3260a56f28bc9f918f60084e2a7f3c23aecc7ca63" from cache


/: (comment debian-12-5.3_arm32_opam-2.3)


/: (user (uid 1000) (gid 1000))


/: (shell /usr/bin/linux32 /bin/sh -c)


/: (env CLICOLOR_FORCE 1)


/: (env OPAMCOLOR always)


/: (workdir /src)


/src: (run (shell "sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-06-14 20:09.11 ---> using "1ea2b2c8e28a4fa3dfabd184730f704a12ed2ac868c1490d45550df2548a8a3a" 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.


Continue? [y/n] y
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.


Format upgrade done.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-06-14 20:09.11 ---> using "e708697f3fb8d92330b62e793b8a0aa83df245d9726d3e554ced63b43d381d17" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-134-generic
The OCaml toplevel, version 5.3.0
2.3.0
2025-06-14 20:09.11 ---> using "e03217bf14090b29b2601b5ce9de000d586fd22544091f17d656df70b0ab1a72" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-06-14 20:09.11 ---> using "d42d1f211ba77e8a2143960d324dce378c0e811e49cfd51c9779365a19ddc2be" 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
bc726805e3..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)
2025-06-14 20:09.11 ---> using "d065da02a0f37a92ac7969e6badd8bdd9c47d2e18902cf137e80828bc722426d" from cache


/src: (copy (src multicore-bench.opam) (dst ./))
2025-06-14 20:09.11 ---> using "01007e1604423445ca8ceed2841ad74eb762581371860943910016e8ba4153ca" from cache


/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)
2025-06-14 20:09.11 ---> using "e7ca29cc4afdd135d5b409f1d956708035b4da507d3f6c67e7acef6169e508a6" from cache


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-06-14 20:09.11 ---> using "fa2e9f31b4bc0a13f480b5e1d5e9e6641aa1c5f942bee9abfb1c1df7378af10a" from cache


/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.3.19.1 fmt.0.10.0 logs.0.8.0 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-option-bytecode-only.1 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://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 armhf Packages [247 kB]
- Fetched 350 kB in 1s (555 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-option-bytecode-only 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).
2025-06-14 20:09.11 ---> using "330001496469d604358a436ff9c1e5e1812dceb0842bc5b4edf7c5df258e4b11" from cache


/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-option-bytecode-only 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               3.19.1
- 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 camlp-streams.5.0.1  (cached)
-> retrieved backoff.0.1.1  (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 dune.3.19.1  (cached)
-> retrieved thread-table.1.0.0  (cached)
-> retrieved topkg.1.0.8  (cached)
-> retrieved yojson.3.0.0  (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.3.19.1
-> installed domain_shims.0.1.0
-> installed result.1.5
-> installed backoff.0.1.1
-> installed thread-table.1.0.0
-> installed csexp.1.5.2
-> installed ocaml-version.4.0.1
-> 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 yojson.3.0.0
-> installed cppo.1.8.0
-> installed mdx.2.5.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-06-14 20:09.11 ---> using "b76da020c771d54ba639d597181c20e7d46f40b5ac1bff2dc6932b736a08ddaa" from cache


/src: (copy (src .) (dst /src))
2025-06-14 20:09.12 ---> saved as "c762c263fca19b8ba3831d30e614b5889769c8abb67579994ae1a8580a59c8da"


/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:
27.69 M/s
ops over time/get:
42.60 M/s
ops over time/incr:
35.09 M/s
ops over time/push & pop:
9.30 M/s
ops over time/swap:
9.18 M/s
ops over time/xchg int:
27.91 M/s
time per op/cas int:
36.12 ns
time per op/get:
23.48 ns
time per op/incr:
28.50 ns
time per op/push & pop:
107.48 ns
time per op/swap:
108.90 ns
time per op/xchg int:
35.82 ns
Atomic incr:
ops over time/CAS, 1 domains:
13.59 M/s
ops over time/CAS, 2 domains:
6.71 M/s
ops over time/CAS, 4 domains:
5.40 M/s
ops over time/CAS, 8 domains:
5.85 M/s
ops over time/CAS with backoff, 1 domains:
14.55 M/s
ops over time/CAS with backoff, 2 domains:
12.20 M/s
ops over time/CAS with backoff, 4 domains:
8.32 M/s
ops over time/CAS with backoff, 8 domains:
7.24 M/s
ops over time/Incr, 1 domains:
28.74 M/s
ops over time/Incr, 2 domains:
13.35 M/s
ops over time/Incr, 4 domains:
12.02 M/s
ops over time/Incr, 8 domains:
5.24 M/s
time per op/CAS, 1 domains:
73.60 ns
time per op/CAS, 2 domains:
298.25 ns
time per op/CAS, 4 domains:
740.74 ns
time per op/CAS, 8 domains:
1368.46 ns
time per op/CAS with backoff, 1 domains:
68.72 ns
time per op/CAS with backoff, 2 domains:
163.94 ns
time per op/CAS with backoff, 4 domains:
481.01 ns
time per op/CAS with backoff, 8 domains:
1114.79 ns
time per op/Incr, 1 domains:
34.80 ns
time per op/Incr, 2 domains:
149.87 ns
time per op/Incr, 4 domains:
332.64 ns
time per op/Incr, 8 domains:
1526.80 ns
Bounded_q:
messages over time/1 adder, 1 taker:
0.95 M/s
messages over time/1 adder, 2 takers:
0.75 M/s
messages over time/1 adder, 4 takers:
0.65 M/s
messages over time/2 adders, 1 taker:
1.16 M/s
messages over time/2 adders, 2 takers:
0.79 M/s
messages over time/2 adders, 4 takers:
0.61 M/s
messages over time/4 adders, 1 taker:
0.60 M/s
messages over time/4 adders, 2 takers:
0.80 M/s
messages over time/4 adders, 4 takers:
0.59 M/s
messages over time/one domain:
2.25 M/s
time per message/1 adder, 1 taker:
2098.62 ns
time per message/1 adder, 2 takers:
4011.68 ns
time per message/1 adder, 4 takers:
7715.77 ns
time per message/2 adders, 1 taker:
2584.19 ns
time per message/2 adders, 2 takers:
5046.45 ns
time per message/2 adders, 4 takers:
9845.55 ns
time per message/4 adders, 1 taker:
8344.08 ns
time per message/4 adders, 2 takers:
7496.23 ns
time per message/4 adders, 4 takers:
13511.10 ns
time per message/one domain:
444.20 ns
Hashtbl:
operations over time/1 worker, 10% reads:
3.16 M/s
operations over time/1 worker, 50% reads:
3.37 M/s
operations over time/1 worker, 90% reads:
3.73 M/s
operations over time/2 workers, 10% reads:
1.62 M/s
operations over time/2 workers, 50% reads:
1.77 M/s
operations over time/2 workers, 90% reads:
1.89 M/s
operations over time/4 workers, 10% reads:
1.07 M/s
operations over time/4 workers, 50% reads:
1.56 M/s
operations over time/4 workers, 90% reads:
1.62 M/s
operations over time/8 workers, 10% reads:
1.14 M/s
operations over time/8 workers, 50% reads:
1.24 M/s
operations over time/8 workers, 90% reads:
1.36 M/s
operations over time/one domain, 10% reads:
3.78 M/s
operations over time/one domain, 50% reads:
4.04 M/s
operations over time/one domain, 90% reads:
4.52 M/s
time per operation/1 worker, 10% reads:
316.18 ns
time per operation/1 worker, 50% reads:
297.04 ns
time per operation/1 worker, 90% reads:
268.28 ns
time per operation/2 workers, 10% reads:
1231.87 ns
time per operation/2 workers, 50% reads:
1131.91 ns
time per operation/2 workers, 90% reads:
1056.14 ns
time per operation/4 workers, 10% reads:
3754.19 ns
time per operation/4 workers, 50% reads:
2558.11 ns
time per operation/4 workers, 90% reads:
2463.16 ns
time per operation/8 workers, 10% reads:
7042.98 ns
time per operation/8 workers, 50% reads:
6432.60 ns
time per operation/8 workers, 90% reads:
5875.91 ns
time per operation/one domain, 10% reads:
264.35 ns
time per operation/one domain, 50% reads:
247.27 ns
time per operation/one domain, 90% reads:
221.29 ns
Queue:
messages over time/one domain:
4.72 M/s
time per message/one domain:
211.80 ns
Ref with Mutex:
ops over time/cas int:
10.23 M/s
ops over time/get:
16.34 M/s
ops over time/incr:
13.92 M/s
ops over time/push & pop:
12.43 M/s
ops over time/swap:
11.56 M/s
ops over time/xchg int:
11.34 M/s
time per op/cas int:
97.79 ns
time per op/get:
61.20 ns
time per op/incr:
71.83 ns
time per op/push & pop:
80.46 ns
time per op/swap:
86.54 ns
time per op/xchg int:
88.19 ns
Ref with [@poll error]:
ops over time/cas int:
23.01 M/s
ops over time/get:
56.04 M/s
ops over time/incr:
39.48 M/s
ops over time/push & pop:
9.18 M/s
ops over time/swap:
9.34 M/s
ops over time/xchg int:
30.57 M/s
time per op/cas int:
43.46 ns
time per op/get:
17.85 ns
time per op/incr:
25.33 ns
time per op/push & pop:
108.94 ns
time per op/swap:
107.06 ns
time per op/xchg int:
32.71 ns
Stack:
messages over time/one domain:
5.74 M/s
time per message/one domain:
174.08 ns
Unix:
blocking reads over time/1 worker:
2.02 M/s
blocking reads over time/2 workers:
4.08 M/s
blocking reads over time/4 workers:
8.11 M/s
time per blocking read/1 worker:
495.32 ns
time per blocking read/2 workers:
489.95 ns
time per blocking read/4 workers:
493.03 ns
2025-06-14 20:09.21 ---> saved as "dac5f074888f58aeeda7269861465ce2d0e935a44e91d7d51fccc1c96993c472"
Job succeeded
2025-06-14 20:09.21: Job succeeded