Re: [PATCH 14/14] crc32: Select an algorithm via kconfig

[Joakim Tjernlund]

"Darrick J. Wong" <djwong@xxxxxxxxxx> wrote on 2011/12/13 07:32:28:
>
> On Mon, Dec 12, 2011 at 05:10:45PM -0600, Bob Pearson wrote:
> > That choice was for Joakim who measured better performance on his 32 bit PPC
> > platform with "by 4".
>
> Ok.  On my 1.33GHz PowerBook I get ~255MB/s with slice by 4 and ~270MB/s with
> slice by 8.  I think it's a PPC 7447, and definitely 32-bit.  In any case, it
> reports having 32K of L1D cache.

I tested Bobs early version on my mpc8321(266MHz, embedded CPU) and it was just
half the speed compared with current crc32.

 Jocke

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