在游戏开发过程中,经常会基于用户ID的hash来分配游戏服务器,定位分库分表等。而用户ID是一个连续的数字或字符串,一般的hash函数并不能平均分散,从而导致分配的不均衡。Linux内核里面用的jhash是一个久经考验,并被实践证明经得起考验的hash函数。这里基于go重新写了一遍,并做了简单的对比测试。
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jhash-go
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