1d31f9b1e0
parseFloatPrefix will make it easier to implement ParseComplex. Verified that there's no relevant performance impact: Benchmarks run on a "quiet" MacBook Pro, 3.3GHz Dual-Core Intel Core i7, with 16GB 2133MHz LPDDR3 RAM running macOS 10.15.4. name old time/op new time/op delta Atof64Decimal-4 38.2ns ± 4% 38.4ns ± 3% ~ (p=0.802 n=5+5) Atof64Float-4 41.1ns ± 3% 43.0ns ± 1% +4.77% (p=0.008 n=5+5) Atof64FloatExp-4 71.9ns ± 3% 70.1ns ± 1% ~ (p=0.063 n=5+5) Atof64Big-4 124ns ± 5% 119ns ± 0% ~ (p=0.143 n=5+4) Atof64RandomBits-4 57.2ns ± 1% 55.7ns ± 2% -2.66% (p=0.016 n=4+5) Atof64RandomFloats-4 56.8ns ± 1% 56.9ns ± 4% ~ (p=0.556 n=4+5) Atof32Decimal-4 35.4ns ± 5% 35.9ns ± 0% ~ (p=0.127 n=5+5) Atof32Float-4 39.6ns ± 7% 40.3ns ± 1% ~ (p=0.135 n=5+5) Atof32FloatExp-4 73.7ns ± 7% 71.9ns ± 0% ~ (p=0.175 n=5+4) Atof32Random-4 103ns ± 6% 98ns ± 2% -5.03% (p=0.008 n=5+5) Updates #36771. Change-Id: I8ff66b582ae8b468d89c9ffc35c569c735cf0341 Reviewed-on: https://go-review.googlesource.com/c/go/+/230737 Reviewed-by: Ian Lance Taylor <iant@golang.org> |
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