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perf: use bits.Len64 instead of bsr #129

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merged 1 commit into from
Apr 13, 2022
Merged

perf: use bits.Len64 instead of bsr #129

merged 1 commit into from
Apr 13, 2022

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Hchenn
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@Hchenn Hchenn commented Apr 12, 2022

This PR want to solve issue #34 and #97 , And the Benchmark like:

goos: linux
goarch: amd64
pkg: github.com/bytedance/gopkg/lang/mcache
BenchmarkBsr_origin
BenchmarkBsr_origin-48     	643503000	         1.86 ns/op	       0 B/op	       0 allocs/op
BenchmarkBsr_bits
BenchmarkBsr_bits-48    	1000000000	         0.373 ns/op	       0 B/op	       0 allocs/op

zhangyunhao116
zhangyunhao116 reviewed Apr 12, 2022
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zhangyunhao116
zhangyunhao116 approved these changes Apr 13, 2022
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LGTM. It would be nice if we could update the benchmark results, not a big deal, just curious about this.

@Hchenn Hchenn merged commit 65bf48f into bytedance:develop Apr 13, 2022
@Hchenn Hchenn mentioned this pull request Apr 14, 2022
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joway pushed a commit to joway/gopkg that referenced this pull request Apr 17, 2024
@Hchenn @joway
optimize: use bits.Len64 instead of bsr (bytedance#129)
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@PureWhiteWu PureWhiteWu PureWhiteWu approved these changes

@zhangyunhao116 zhangyunhao116 zhangyunhao116 approved these changes

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@Hchenn @PureWhiteWu @zhangyunhao116