Re: Where exactly will arch_fast_hash be used

From: Hannes Frederic Sowa
Date: Sun Dec 07 2014 - 09:06:55 EST

On So, 2014-12-07 at 08:23 -0500, George Spelvin wrote:
> So there are plenty of hash tables in Linux that you don't dare use this
> with. In fact, so many that, as you rightly point out, it's not clear
> if it's worth providing this special optimization for the few remaining.

In case of openvswitch it shows a performance improvment. The seed
parameter could be used as an initial biasing of the crc32 function, but
in case of openvswitch it is only set to 0.


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