Re: SLRU optimization - configurable buffer pool and partitioning the SLRU lock

[Andrey M. Borodin]

> On 14 Dec 2023, at 16:32, tender wang <tndrw...@gmail.com> wrote:
> 
> enable -O2, only one  instruction:
> xor     eax, eax

This is not fast code.  This is how friendly C compiler suggests you that mask 
must be 127, not 128.


Best regards, Andrey Borodin.