20e18c9550
- Prefer the evaluation of the valid higher byte-width runes branches
over the one for invalid ones
- Avoid the evaluation of the bytes of the RuneError constant, and
instead hard code its byte values
- EncodeRune only: inline for fast handling of ASCII
goos: linux
goarch: amd64
pkg: unicode/utf8
cpu: 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz
│ baseline.test-append.txt │ append-rune-invalid-case-last.test.txt │
│ sec/op │ sec/op vs base │
AppendASCIIRune-8 0.2135n ± 0% 0.2135n ± 0% ~ (p=0.578 n=20)
AppendSpanishRune-8 1.645n ± 1% 1.509n ± 2% -8.30% (p=0.000 n=20)
AppendJapaneseRune-8 2.196n ± 1% 2.004n ± 1% -8.74% (p=0.000 n=20)
AppendMaxRune-8 2.670n ± 1% 2.349n ± 3% -12.01% (p=0.000 n=20)
AppendInvalidRuneMaxPlusOne-8 2.214n ± 2% 1.798n ± 3% -18.77% (p=0.000 n=20)
AppendInvalidRuneSurrogate-8 2.258n ± 1% 1.793n ± 2% -20.59% (p=0.000 n=20)
AppendInvalidRuneNegative-8 2.171n ± 2% 1.767n ± 2% -18.61% (p=0.000 n=20)
geomean 1.559n 1.361n -12.69%
goos: linux
goarch: amd64
pkg: unicode/utf8
cpu: 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz
│ baseline.test-encode.txt │ encode-rune-invalid-last.txt │
│ sec/op │ sec/op vs base │
EncodeASCIIRune-8 1.0950n ± 1% 0.2140n ± 0% -80.46% (p=0.000 n=20)
EncodeSpanishRune-8 1.499n ± 0% 1.414n ± 2% -5.64% (p=0.000 n=20)
EncodeJapaneseRune-8 1.960n ± 2% 1.716n ± 4% -12.43% (p=0.000 n=20)
EncodeMaxRune-8 2.145n ± 2% 2.227n ± 1% +3.78% (p=0.000 n=20)
EncodeInvalidRuneMaxPlusOne-8 1.955n ± 2% 1.802n ± 2% -7.80% (p=0.000 n=20)
EncodeInvalidRuneSurrogate-8 1.946n ± 3% 1.777n ± 2% -8.68% (p=0.000 n=20)
EncodeInvalidRuneNegative-8 1.968n ± 2% 1.766n ± 2% -10.29% (p=0.000 n=20)
geomean 1.757n 1.308n -25.57%
Fixes #68131
Change-Id: Ibcafa75d63cca07a2e78cd06f6f1e382cb8c716e
Reviewed-on: https://go-review.googlesource.com/c/go/+/594115
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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| .github | ||
| api | ||
| doc | ||
| lib/time | ||
| misc | ||
| src | ||
| test | ||
| .gitattributes | ||
| .gitignore | ||
| codereview.cfg | ||
| CONTRIBUTING.md | ||
| go.env | ||
| LICENSE | ||
| PATENTS | ||
| README.md | ||
| SECURITY.md | ||
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