Organisationsocaml-multicoremulticore-bench41eee8 ()debian-12-5.2_ppc64_opam-2.2

debian-12-5.2_ppc64_opam-2.2

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2024-10-13 10:51.57: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/avoid-include (41eee82fd48033f4776d3f75dd5693eebba2176a) (linux-ppc64:debian-12-5.2_ppc64_opam-2.2)
Base: ocaml/opam:debian-12-ocaml-5.2@sha256:f09d48786f7fdab578633dd8e7e85943ea3e4a29026cf84b5fa7474d5b7dea87
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ocaml-multicore/multicore-bench.git" -b "avoid-include" && cd "multicore-bench" && git reset --hard 41eee82f
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.2@sha256:f09d48786f7fdab578633dd8e7e85943ea3e4a29026cf84b5fa7474d5b7dea87
# debian-12-5.2_ppc64_opam-2.2
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.2 /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 b876d7d37014df697368765c088aa86d24dc8b6b || git fetch origin master) && git reset -q --hard b876d7d37014df697368765c088aa86d24dc8b6b && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 multicore-bench.opam ./
RUN opam pin add -yn multicore-bench.dev './'
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.1.7.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.16.0 fmt.0.9.0 host-arch-ppc64.1 host-system-other.1 logs.0.7.0 mdx.2.4.1 mtime.2.1.0 multicore-magic.2.3.0 ocaml.5.2.0 ocaml-base-compiler.5.2.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.3.6.9 ocamlbuild.0.15.0 ocamlfind.1.9.6 re.1.12.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.0.7 yojson.2.2.2"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.2 --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


2024-10-13 10:51.57: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:debian-12-ocaml-5.2@sha256:f09d48786f7fdab578633dd8e7e85943ea3e4a29026cf84b5fa7474d5b7dea87-debian-12-5.2_ppc64_opam-2.2-ed05e98d727ff3c698d6121e6c064675"
2024-10-13 10:51.57: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.2@sha256:f09d48786f7fdab578633dd8e7e85943ea3e4a29026cf84b5fa7474d5b7dea87)
 (comment debian-12-5.2_ppc64_opam-2.2)
 (user (uid 1000) (gid 1000))
 (env CLICOLOR_FORCE 1)
 (env OPAMCOLOR always)
 (workdir /src)
 (run (shell "sudo ln -f /usr/bin/opam-2.2 /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 b876d7d37014df697368765c088aa86d24dc8b6b || git fetch origin master) && git reset -q --hard b876d7d37014df697368765c088aa86d24dc8b6b && 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 './'"))
 (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.1.7.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.16.0 fmt.0.9.0 host-arch-ppc64.1 host-system-other.1 logs.0.7.0 mdx.2.4.1 mtime.2.1.0 multicore-magic.2.3.0 ocaml.5.2.0 ocaml-base-compiler.5.2.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.3.6.9 ocamlbuild.0.15.0 ocamlfind.1.9.6 re.1.12.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.0.7 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=2.2 --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"))
)


2024-10-13 10:51.57: Waiting for resource in pool OCluster
2024-10-13 10:51.58: Waiting for worker…
2024-10-13 10:51.58: Got resource from pool OCluster
Building on orithia.caelum.ci.dev
HEAD is now at 7c85236 Avoid `include` of modules
HEAD is now at 41eee82 Avoid `include` of modules


(from ocaml/opam:debian-12-ocaml-5.2@sha256:f09d48786f7fdab578633dd8e7e85943ea3e4a29026cf84b5fa7474d5b7dea87)
Unable to find image 'ocaml/opam:debian-12-ocaml-5.2@sha256:f09d48786f7fdab578633dd8e7e85943ea3e4a29026cf84b5fa7474d5b7dea87' locally
docker.io/ocaml/opam@sha256:f09d48786f7fdab578633dd8e7e85943ea3e4a29026cf84b5fa7474d5b7dea87: Pulling from ocaml/opam
Digest: sha256:f09d48786f7fdab578633dd8e7e85943ea3e4a29026cf84b5fa7474d5b7dea87
Status: Downloaded newer image for ocaml/opam@sha256:f09d48786f7fdab578633dd8e7e85943ea3e4a29026cf84b5fa7474d5b7dea87
2024-10-13 10:51.58 ---> using "1cddc0a400d9d98885094fe85b410f79d18ecea4d35777d7902661d339877691" from cache


/: (comment debian-12-5.2_ppc64_opam-2.2)


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


/: (env CLICOLOR_FORCE 1)


/: (env OPAMCOLOR always)


/: (workdir /src)


/src: (run (shell "sudo ln -f /usr/bin/opam-2.2 /usr/bin/opam"))
2024-10-13 10:51.58 ---> using "4eaef0e14344cd0e7a15b912d6e09d6d982dc1dd75666ca8d960947825e59242" 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] synchronised from file:///home/opam/opam-repository
2024-10-13 10:51.58 ---> using "6c6a5114378e1d0e79d63796472d964487fce5f2a592908f1cb02551b6ad37fb" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-45-generic
The OCaml toplevel, version 5.2.0
2.2.1
2024-10-13 10:51.58 ---> using "bdeed4dc304def88c3b25d9643cade257835c619b0d503426ee97d9058392dd5" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2024-10-13 10:51.58 ---> using "7c61df482411d763f8f565bc58580cedc10186121649331b848ee32fba2118d3" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
           (network host)
           (shell "cd ~/opam-repository && (git cat-file -e b876d7d37014df697368765c088aa86d24dc8b6b || git fetch origin master) && git reset -q --hard b876d7d37014df697368765c088aa86d24dc8b6b && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
 * branch                  master     -> FETCH_HEAD
   75006f8c5e..1b4da5019e  master     -> origin/master
b876d7d370 Merge pull request #26641 from polytypic/release-backoff-0.1.1


<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from 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.
# Run eval $(opam env) to update the current shell environment
2024-10-13 10:51.58 ---> using "838ea6e321b4565181ec5f21bb2af6a22d3318b590acc8b1f4aaa17c01b37a57" from cache


/src: (copy (src multicore-bench.opam) (dst ./))
2024-10-13 10:51.58 ---> using "24b2a885e5caf0474cbf322659c5e48d2c70ddcbad23beb4cbfa782ac16619e2" 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)
2024-10-13 10:51.58 ---> using "f5a58b8daf9985eecb530e14508bdaf28fa84cd7b045a150f1dd226233a4cdaf" from cache


/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.1.7.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.16.0 fmt.0.9.0 host-arch-ppc64.1 host-system-other.1 logs.0.7.0 mdx.2.4.1 mtime.2.1.0 multicore-magic.2.3.0 ocaml.5.2.0 ocaml-base-compiler.5.2.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.3.6.9 ocamlbuild.0.15.0 ocamlfind.1.9.6 re.1.12.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.0.7 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=2.2 --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 ppc64el Packages [180 kB]
- Fetched 283 kB in 0s (635 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[multicore-bench.dev] synchronised (no changes)


[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 5.2.0).
[NOTE] Package ocaml is already installed (current version is 5.2.0).
[NOTE] Package host-system-other is already installed (current version is 1).
[NOTE] Package host-arch-ppc64 is already installed (current version is 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).
2024-10-13 10:51.58 ---> using "04035619d9e28811710225bba4e3d4adadaf6fe86f4012896355f944341d9064" 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-config is already installed (current version is 3).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.2.0).
[NOTE] Package ocaml is already installed (current version is 5.2.0).
[NOTE] Package host-system-other is already installed (current version is 1).
[NOTE] Package host-arch-ppc64 is already installed (current version is 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               1.7.0
  - install csexp              1.5.2
  - install domain-local-await 1.0.1
  - install domain_shims       0.1.0
  - install dune               3.16.0
  - install fmt                0.9.0
  - install logs               0.7.0
  - install mdx                2.4.1
  - install mtime              2.1.0
  - install multicore-magic    2.3.0
  - install ocaml-version      3.6.9
  - install ocamlbuild         0.15.0
  - install ocamlfind          1.9.6
  - install re                 1.12.0
  - install result             1.5
  - install seq                base
  - install thread-table       1.0.0
  - install topkg              1.0.7
  - install yojson             2.2.2


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved backoff.0.1.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved cppo.1.7.0  (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.0.9.0  (cached)
-> retrieved logs.0.7.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved mdx.2.4.1  (cached)
-> retrieved multicore-magic.2.3.0  (cached)
-> retrieved ocaml-version.3.6.9  (cached)
-> retrieved ocamlbuild.0.15.0  (cached)
-> retrieved ocamlfind.1.9.6  (cached)
-> retrieved dune.3.16.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved re.1.12.0  (cached)
-> retrieved result.1.5  (cached)
-> retrieved thread-table.1.0.0  (cached)
-> retrieved topkg.1.0.7  (cached)
-> retrieved yojson.2.2.2  (cached)
-> installed cmdliner.1.3.0
-> installed ocamlfind.1.9.6
-> installed ocamlbuild.0.15.0
-> installed topkg.1.0.7
-> installed mtime.2.1.0
-> installed fmt.0.9.0
-> installed astring.0.8.5
-> installed logs.0.7.0
-> installed dune.3.16.0
-> installed domain_shims.0.1.0
-> installed backoff.0.1.1
-> installed csexp.1.5.2
-> installed ocaml-version.3.6.9
-> installed thread-table.1.0.0
-> installed result.1.5
-> installed camlp-streams.5.0.1
-> installed multicore-magic.2.3.0
-> installed domain-local-await.1.0.1
-> installed cppo.1.7.0
-> installed re.1.12.0
-> installed yojson.2.2.2
-> installed mdx.2.4.1
Done.
# Run eval $(opam env) to update the current shell environment
2024-10-13 10:51.58 ---> using "102e57228285eb24d8d5f834620da78deb34748d5191fe2abc78a086a27fde88" from cache


/src: (copy (src .) (dst /src))
2024-10-13 10:51.59 ---> saved as "1a7428d1ccf2c70de9ea9d52eaec05ecf799ad3a450cae77efccc122032575af"


/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:
    22.10 M/s
  ops over time/get:
    438.39 M/s
  ops over time/incr:
    22.37 M/s
  ops over time/push & pop:
    14.24 M/s
  ops over time/swap:
    14.76 M/s
  ops over time/xchg int:
    20.02 M/s
  time per op/cas int:
    45.25 ns
  time per op/get:
    2.28 ns
  time per op/incr:
    44.70 ns
  time per op/push & pop:
    70.23 ns
  time per op/swap:
    67.77 ns
  time per op/xchg int:
    49.94 ns
Atomic incr:
  ops over time/CAS, 1 domains:
    15.89 M/s
  ops over time/CAS, 2 domains:
    9.79 M/s
  ops over time/CAS, 4 domains:
    6.61 M/s
  ops over time/CAS, 8 domains:
    4.80 M/s
  ops over time/CAS with backoff, 1 domains:
    15.90 M/s
  ops over time/CAS with backoff, 2 domains:
    7.17 M/s
  ops over time/CAS with backoff, 4 domains:
    3.69 M/s
  ops over time/CAS with backoff, 8 domains:
    3.44 M/s
  ops over time/Incr, 1 domains:
    23.98 M/s
  ops over time/Incr, 2 domains:
    28.10 M/s
  ops over time/Incr, 4 domains:
    22.81 M/s
  ops over time/Incr, 8 domains:
    23.40 M/s
  time per op/CAS, 1 domains:
    62.94 ns
  time per op/CAS, 2 domains:
    204.38 ns
  time per op/CAS, 4 domains:
    605.01 ns
  time per op/CAS, 8 domains:
    1668.16 ns
  time per op/CAS with backoff, 1 domains:
    62.90 ns
  time per op/CAS with backoff, 2 domains:
    279.04 ns
  time per op/CAS with backoff, 4 domains:
    1084.57 ns
  time per op/CAS with backoff, 8 domains:
    2324.40 ns
  time per op/Incr, 1 domains:
    41.71 ns
  time per op/Incr, 2 domains:
    71.18 ns
  time per op/Incr, 4 domains:
    175.33 ns
  time per op/Incr, 8 domains:
    341.84 ns
Bounded_q:
  messages over time/1 adder, 1 taker:
    1.93 M/s
  messages over time/1 adder, 2 takers:
    1.51 M/s
  messages over time/1 adder, 4 takers:
    0.49 M/s
  messages over time/2 adders, 1 taker:
    2.11 M/s
  messages over time/2 adders, 2 takers:
    1.49 M/s
  messages over time/2 adders, 4 takers:
    0.91 M/s
  messages over time/4 adders, 1 taker:
    1.64 M/s
  messages over time/4 adders, 2 takers:
    1.22 M/s
  messages over time/4 adders, 4 takers:
    1.12 M/s
  messages over time/one domain:
    6.33 M/s
  time per message/1 adder, 1 taker:
    1036.22 ns
  time per message/1 adder, 2 takers:
    1984.37 ns
  time per message/1 adder, 4 takers:
    10301.39 ns
  time per message/2 adders, 1 taker:
    1424.49 ns
  time per message/2 adders, 2 takers:
    2686.56 ns
  time per message/2 adders, 4 takers:
    6619.25 ns
  time per message/4 adders, 1 taker:
    3044.41 ns
  time per message/4 adders, 2 takers:
    4913.56 ns
  time per message/4 adders, 4 takers:
    7149.14 ns
  time per message/one domain:
    158.05 ns
Hashtbl:
  operations over time/1 worker, 10% reads:
    11.52 M/s
  operations over time/1 worker, 50% reads:
    12.49 M/s
  operations over time/1 worker, 90% reads:
    13.53 M/s
  operations over time/2 workers, 10% reads:
    1.95 M/s
  operations over time/2 workers, 50% reads:
    2.78 M/s
  operations over time/2 workers, 90% reads:
    4.33 M/s
  operations over time/4 workers, 10% reads:
    1.83 M/s
  operations over time/4 workers, 50% reads:
    1.52 M/s
  operations over time/4 workers, 90% reads:
    2.94 M/s
  operations over time/8 workers, 10% reads:
    1.37 M/s
  operations over time/8 workers, 50% reads:
    1.69 M/s
  operations over time/8 workers, 90% reads:
    2.03 M/s
  operations over time/one domain, 10% reads:
    22.01 M/s
  operations over time/one domain, 50% reads:
    22.42 M/s
  operations over time/one domain, 90% reads:
    30.82 M/s
  time per operation/1 worker, 10% reads:
    86.84 ns
  time per operation/1 worker, 50% reads:
    80.09 ns
  time per operation/1 worker, 90% reads:
    73.89 ns
  time per operation/2 workers, 10% reads:
    1026.62 ns
  time per operation/2 workers, 50% reads:
    718.65 ns
  time per operation/2 workers, 90% reads:
    462.19 ns
  time per operation/4 workers, 10% reads:
    2182.18 ns
  time per operation/4 workers, 50% reads:
    2638.46 ns
  time per operation/4 workers, 90% reads:
    1362.82 ns
  time per operation/8 workers, 10% reads:
    5825.79 ns
  time per operation/8 workers, 50% reads:
    4732.09 ns
  time per operation/8 workers, 90% reads:
    3948.36 ns
  time per operation/one domain, 10% reads:
    45.44 ns
  time per operation/one domain, 50% reads:
    44.60 ns
  time per operation/one domain, 90% reads:
    32.45 ns
Queue:
  messages over time/one domain:
    20.14 M/s
  time per message/one domain:
    49.66 ns
Ref with Mutex:
  ops over time/cas int:
    16.04 M/s
  ops over time/get:
    19.17 M/s
  ops over time/incr:
    17.07 M/s
  ops over time/push & pop:
    15.08 M/s
  ops over time/swap:
    15.29 M/s
  ops over time/xchg int:
    16.09 M/s
  time per op/cas int:
    62.36 ns
  time per op/get:
    52.17 ns
  time per op/incr:
    58.60 ns
  time per op/push & pop:
    66.30 ns
  time per op/swap:
    65.41 ns
  time per op/xchg int:
    62.15 ns
Ref with [@poll error]:
  ops over time/cas int:
    83.59 M/s
  ops over time/get:
    440.89 M/s
  ops over time/incr:
    133.73 M/s
  ops over time/push & pop:
    63.93 M/s
  ops over time/swap:
    57.54 M/s
  ops over time/xchg int:
    85.83 M/s
  time per op/cas int:
    11.96 ns
  time per op/get:
    2.27 ns
  time per op/incr:
    7.48 ns
  time per op/push & pop:
    15.64 ns
  time per op/swap:
    17.38 ns
  time per op/xchg int:
    11.65 ns
Stack:
  messages over time/one domain:
    28.12 M/s
  time per message/one domain:
    35.56 ns
Unix:
  blocking reads over time/1 worker:
    1.15 M/s
  blocking reads over time/2 workers:
    2.29 M/s
  blocking reads over time/4 workers:
    4.51 M/s
  time per blocking read/1 worker:
    869.10 ns
  time per blocking read/2 workers:
    872.66 ns
  time per blocking read/4 workers:
    886.89 ns
2024-10-13 10:52.20 ---> saved as "4a8f9e1b84adfb6a32c0d16b0e8140c3440aae219deb41bf9523a3d925969c1e"
Job succeeded
2024-10-13 10:52.20: Job succeeded