3bdc2f3abf
Currently we inline array comparisons for arrays with at most 4 elements. Compare arrays with small size, but more than 4 elements (e. g. [16]byte) with larger compares. This provides very slightly smaller binaries, and results in faster code. ArrayEqual-6 7.41ns ± 0% 3.17ns ± 0% -57.15% (p=0.000 n=10+10) For go tool: global text (code) = -559 bytes (-0.014566%) This also helps mapaccess1_faststr, and maps in general: MapDelete/Str/1-6 195ns ± 1% 186ns ± 2% -4.47% (p=0.000 n=10+10) MapDelete/Str/2-6 211ns ± 1% 177ns ± 1% -16.01% (p=0.000 n=10+10) MapDelete/Str/4-6 225ns ± 1% 183ns ± 1% -18.49% (p=0.000 n=8+10) MapStringKeysEight_16-6 31.3ns ± 0% 28.6ns ± 0% -8.63% (p=0.000 n=6+9) MapStringKeysEight_32-6 29.2ns ± 0% 27.6ns ± 0% -5.45% (p=0.000 n=10+10) MapStringKeysEight_64-6 29.1ns ± 1% 27.5ns ± 0% -5.46% (p=0.000 n=10+10) MapStringKeysEight_1M-6 29.1ns ± 1% 27.6ns ± 0% -5.49% (p=0.000 n=10+10) Change-Id: I9ec98e41b233031e0e96c4e13d86a324f628ed4a Reviewed-on: https://go-review.googlesource.com/40771 Run-TryBot: Ilya Tocar <ilya.tocar@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> |
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README.md
The Go Programming Language
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