mirror of https://github.com/golang/net.git
0a24555f5c
Eliminate bounds checks and eschews UTF-8 decoding in ValidHeaderFieldName,
thereby doubling its speed without introducing any allocations.
Also eliminate bounds checks in IsTokenRune.
Add tests and benchmarks for both ValidHeaderFieldName and IsTokenRune.
goos: darwin
goarch: amd64
pkg: golang.org/x/net/http/httpguts
cpu: Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
│ before │ after │
│ sec/op │ sec/op vs base │
IsTokenRune-8 315.2n ± 0% 316.2n ± 1% ~ (p=0.245 n=20)
ValidHeaderFieldName-8 62.77n ± 0% 29.16n ± 0% -53.55% (p=0.000 n=20)
geomean 140.7n 96.02n -31.73%
│ before │ after │
│ B/op │ B/op vs base │
IsTokenRune-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=20)
ValidHeaderFieldName-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=20)
geomean ² +0.00%
│ before │ after │
│ allocs/op │ allocs/op vs base │
IsTokenRune-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=20)
ValidHeaderFieldName-8 0.000 ± 0% 0.000 ± 0% ~ (p=1.000 n=20)
geomean ² +0.00%
Fixes golang/go#66700
Change-Id: Ia3ea80e5f0d173e3a69eb7429023587fd7bc5933
GitHub-Last-Rev:
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httpproxy |