From: Andi Kleen <ak@suse.de>
To: "Bryan O'Sullivan" <bos@pathscale.com>
Subject: Re: [PATCH 3 of 3] Add __raw_memcpy_toio32 to each arch
Date: Tue, 10 Jan 2006 21:08:59 +0100
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On Tuesday 10 January 2006 20:53, Bryan O'Sullivan wrote:
> Most arches use the generic routine.  x86_64 uses memcpy32 instead;
> this is substantially faster, even over a bus that is much slower than
> the CPU.

So did you run numbers against the C implementation with -funroll-loops ? 
What were the results?

-Andi
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