241583a432
Avoid the decimal lookup in digits array and compute the decimal character value directly. Reduce calls to 64bit division on 32bit plattforms by splitting conversion into smaller blocks. Convert value to uintptr type when it can be represented by uintptr. on darwin/386 benchmark old ns/op new ns/op delta BenchmarkFormatInt 8352 7466 -10.61% BenchmarkAppendInt 4281 3401 -20.56% BenchmarkFormatUint 2785 2251 -19.17% BenchmarkAppendUint 1770 1223 -30.90% on darwin/amd64 benchmark old ns/op new ns/op delta BenchmarkFormatInt 5531 5492 -0.71% BenchmarkAppendInt 2435 2295 -5.75% BenchmarkFormatUint 1628 1569 -3.62% BenchmarkAppendUint 726 750 +3.31% Change-Id: Ifca281cbdd62ab7d7bd4b077a96da99eb12cf209 Reviewed-on: https://go-review.googlesource.com/2105 Reviewed-by: Robert Griesemer <gri@golang.org> |
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