Re: x86-64: memset()/memcpy() not fully standards compliant

From: Ingo Molnar
Date: Fri Jan 06 2012 - 06:10:19 EST



* Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:

> You would slow a critical fast path operation down for
> something that never happens?!? There were big differences
> between strings and the unrolled loop for several.

AFAICS Jan's approach speeds up memset(), so what you say is
100% pure nonsense.

Thanks,

Ingo
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