diff options
| author | sharkdp <davidpeter@web.de> | 2019-09-21 14:55:08 +0200 |
|---|---|---|
| committer | sharkdp <davidpeter@web.de> | 2019-09-21 14:55:08 +0200 |
| commit | 4000fdb755a4cf3d5cc618c28d2b41795d729cfc (patch) | |
| tree | 1742e5937d365aaf8671e0c61807e3fae6801f32 | |
| parent | ac3ad430f1a6a6006876d18a2fdfff720b255ba5 (diff) | |
Update benchmark results
| -rw-r--r-- | README.md | 30 |
1 files changed, 15 insertions, 15 deletions
@@ -10,7 +10,7 @@ a cold disk cache and more than three times faster with a warm disk cache. ``` bash > diskus -14.56 GB (14556806983 bytes) +9.59 GB (9,587,408,896 bytes) ``` ## Benchmark @@ -29,32 +29,32 @@ determined via `hyperfine --parameter-scan`. ```bash sudo -v hyperfine --prepare 'sync; echo 3 | sudo tee /proc/sys/vm/drop_caches' \ - 'diskus' 'sn p -d0 -j8' 'du -sb' 'dust -d0' + 'diskus' 'du -sh' 'sn p -d0 -j8' 'dust -d0' ``` (the `sudo`/`sync`/`drop_caches` commands are a way to [clear the filesystem caches between benchmarking runs](https://github.com/sharkdp/hyperfine#io-heavy-programs)) -| Command | Mean [s] | Min…Max [s] | -|:---|---:|---:| -| `diskus` | 1.649 ± 0.009 | 1.640…1.663 | -| `sn p -d0 -j8` | 9.701 ± 0.067 | 9.598…9.828 | -| `du -sb` | 16.039 ± 0.069 | 15.918…16.152 | -| `dust -d0` | 19.769 ± 0.285 | 19.564…20.561 | +| Command | Mean [s] | Min [s] | Max [s] | Relative | +|:---|---:|---:|---:|---:| +| `diskus` | 1.746 ± 0.017 | 1.728 | 1.770 | 1.00 | +| `du -sh` | 17.776 ± 0.549 | 17.139 | 18.413 | 10.18 | +| `sn p -d0 -j8` | 18.094 ± 0.566 | 17.482 | 18.579 | 10.36 | +| `dust -d0` | 21.357 ± 0.328 | 20.974 | 21.759 | 12.23 | ### Warm disk cache On a warm disk cache, the differences are smaller: ```bash -hyperfine --warmup 5 'diskus' 'sn p -d0 -j8' 'du -sb' 'dust -d0' +hyperfine --warmup 5 'diskus' 'du -sh' 'sn p -d0 -j8' 'dust -d0' ``` -| Command | Mean [s] | Min…Max [s] | -|:---|---:|---:| -| `diskus` | 0.314 ± 0.007 | 0.303…0.329 | -| `sn p -d0 -j8` | 0.622 ± 0.008 | 0.611…0.634 | -| `du -sb` | 1.130 ± 0.013 | 1.116…1.161 | -| `dust -d0` | 3.593 ± 0.057 | 3.544…3.743 | +| Command | Mean [ms] | Min [ms] | Max [ms] | Relative | +|:---|---:|---:|---:|---:| +| `diskus` | 500.3 ± 17.3 | 472.9 | 530.6 | 1.00 | +| `du -sh` | 1098.3 ± 10.0 | 1087.8 | 1122.4 | 2.20 | +| `sn p -d0 -j8` | 1122.2 ± 18.2 | 1107.3 | 1170.1 | 2.24 | +| `dust -d0` | 3532.1 ± 26.4 | 3490.0 | 3563.1 | 7.06 | ## Installation |