linux-kernel - Re: powerpc/32: Optimise __csum

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Date:   Tue,  5 Jun 2018 00:11:03 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>, segher@...nel.crashing.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: powerpc/32: Optimise __csum_partial()

On Thu, 2018-05-24 at 11:22:27 UTC, Christophe Leroy wrote:
> Improve __csum_partial by interleaving loads and adds.
> 
> On a 8xx, it brings neither improvement nor degradation.
> On a 83xx, it brings a 25% improvement.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
> Reviewed-by: Segher Boessenkool <segher@...nel.crashing.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/373e098e1e788d7b89ec0f31765a6c

cheers