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| author | mohanson <mohanson@outlook.com> | 2025-09-18 11:42:30 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2025-09-19 09:59:42 -0700 |
| commit | 8616981ce691248dfa585918a108e5f32c9aacc5 (patch) | |
| tree | ddebae9a85991fdf434486e60e22be497f5f29bd /src/cmd/internal/pkgpattern/pkgpattern.go | |
| parent | b8af74436000dcb370b41ec70acc8ab4632adf05 (diff) | |
| download | go-8616981ce691248dfa585918a108e5f32c9aacc5.tar.xz | |
log/slog: optimize slog Level.String() to avoid fmt.Sprintf
No more overhead of fmt.Sprintf, especially beneficial for
high-frequency logging.
goos: linux
goarch: amd64
pkg: log/slog
cpu: Intel(R) Xeon(R) Gold 6133 CPU @ 2.50GHz
│ /tmp/old.txt │ /tmp/new.txt │
│ sec/op │ sec/op vs base │
LevelString-4 1006.5n ± 2% 334.2n ± 1% -66.80% (p=0.000 n=10)
│ /tmp/old.txt │ /tmp/new.txt │
│ B/op │ B/op vs base │
LevelString-4 56.00 ± 0% 48.00 ± 0% -14.29% (p=0.000 n=10)
│ /tmp/old.txt │ /tmp/new.txt │
│ allocs/op │ allocs/op vs base │
LevelString-4 7.000 ± 0% 7.000 ± 0% ~ (p=1.000 n=10) ¹
Change-Id: I6585d4aaa4da55d72ac70bc66dff45500eccd056
Reviewed-on: https://go-review.googlesource.com/c/go/+/704975
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Auto-Submit: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Diffstat (limited to 'src/cmd/internal/pkgpattern/pkgpattern.go')
0 files changed, 0 insertions, 0 deletions