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| author | Alexander Yastrebov <yastrebov.alex@gmail.com> | 2023-09-15 06:45:15 +0000 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2023-09-20 18:05:09 +0000 |
| commit | bebf82cbf696002acfde605735e0f454b730df9d (patch) | |
| tree | d80f180cf41c466fea41c93fb4ec6daff8a18fa1 /src/database/sql | |
| parent | d73a33f1c34f3cfdc136ac553e887b96614b9ee8 (diff) | |
| download | go-bebf82cbf696002acfde605735e0f454b730df9d.tar.xz | |
internal/zstd: use circular buffer for backreference window
Use circular buffer to reduce data movements.
The CL also increases size of bigData to make changes of benchmark results apparent.
goos: linux
goarch: amd64
pkg: internal/zstd
│ /tmp/BenchmarkLarge.old │ /tmp/BenchmarkLarge.new │
│ sec/op │ sec/op vs base │
Large-8 12.672m ± 1% 9.521m ± 0% -24.87% (p=0.000 n=10)
│ /tmp/BenchmarkLarge.old │ /tmp/BenchmarkLarge.new │
│ B/s │ B/s vs base │
Large-8 13.43Mi ± 1% 17.88Mi ± 0% +33.08% (p=0.000 n=10)
│ /tmp/BenchmarkLarge.old │ /tmp/BenchmarkLarge.new │
│ B/op │ B/op vs base │
Large-8 58.23Ki ± 5% 41.72Ki ± 1% -28.35% (p=0.000 n=10)
│ /tmp/BenchmarkLarge.old │ /tmp/BenchmarkLarge.new │
│ allocs/op │ allocs/op vs base │
Large-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=10)
Change-Id: Ic03fabfc575c5e6d18bcd5ba1c845aa502c12497
GitHub-Last-Rev: 16cb1e13ff61f0fc8c9209cb034f31ec6c37f596
GitHub-Pull-Request: golang/go#62625
Reviewed-on: https://go-review.googlesource.com/c/go/+/528318
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Diffstat (limited to 'src/database/sql')
0 files changed, 0 insertions, 0 deletions