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why mcache calindex use bsr #97

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Mstch opened this issue Oct 11, 2021 · 0 comments

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Mstch commented Oct 11, 2021

https://github.com/bytedance/gopkg/blob/develop/lang/mcache/mcache.go
这里使用bsr有啥特殊的背景或者考虑吗？我在mac跟linux端的bench中都是bits.Len64()更快一些。

SilverRainZ assigned zhangyunhao116

SilverRainZ added the question label

This was referenced Apr 12, 2022

optimize: use bits.Len64 instead of bsr #128

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perf: use bits.Len64 instead of bsr #129

Merged

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