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Mic92/binary-cache-benchmark.md

Created November 25, 2024 11:37
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binary-cache-benchmark.md 
hyperfine --show-output 'rm -R ~/.cache/nix/binary-cache-*.sqlite*; rm -rf /tmp/cache; nix copy --from "{url}" --to "file:///tmp/cache?compression=none" /nix/store/jlkypcf54nrh4n6r0l62ryx93z752hb2-firefox-132.0' -L url https://nixos.tvix.store,https://cache.nixos.org/
Benchmark 1: rm -R ~/.cache/nix/binary-cache-*.sqlite*; rm -rf /tmp/cache; nix copy --from "https://nixos.tvix.store" --to "file:///tmp/cache?compression=none" /nix/store/jlkypcf54nrh4n6r0l62ryx93z752hb2-firefox-132.0
  Time (mean ± σ):      5.090 s ±  0.113 s    [User: 4.721 s, System: 2.555 s]
  Range (min … max):    4.942 s …  5.332 s    10 runs

Benchmark 2: rm -R ~/.cache/nix/binary-cache-*.sqlite*; rm -rf /tmp/cache; nix copy --from "https://cache.nixos.org/" --to "file:///tmp/cache?compression=none" /nix/store/jlkypcf54nrh4n6r0l62ryx93z752hb2-firefox-132.0
  Time (mean ± σ):      6.729 s ±  0.148 s    [User: 15.829 s, System: 2.904 s]
  Range (min … max):    6.560 s …  7.049 s    10 runs

Summary
  rm -R ~/.cache/nix/binary-cache-*.sqlite*; rm -rf /tmp/cache; nix copy --from "https://nixos.tvix.store" --to "file:///tmp/cache?compression=none" /nix/store/jlkypcf54nrh4n6r0l62ryx93z752hb2-firefox-132.0 ran
    1.32 ± 0.04 times faster than rm -R ~/.cache/nix/binary-cache-*.sqlite*; rm -rf /tmp/cache; nix copy --from "https://cache.nixos.org/" --to "file:///tmp/cache?compression=none" /nix/store/jlkypcf54nrh4n6r0l62ryx93z752hb2-firefox-132.0
hyperfine --show-output  -L url   205.60s user 54.66s system 219% cpu 1:58.35 total
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