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Date: Wed, 18 Feb 2015 10:05:31 +0100
From: Denys Vlasenko <>
To: Rich Felker <>
Cc: musl <>
Subject: Re: [PATCH] x86_64/memset: use "small block" code for blocks
 up to 30 bytes long

On Tue, Feb 17, 2015 at 10:12 PM, Rich Felker <> wrote:
> For
> me, I get ~1 cycle difference for a number of the small runs, but on
> your test that measures rates in a way that's probably more applicable
> to real-world use, there was no measureable difference one way or the
> other.

We had an enjoyable bike shed painting session, don't we?

"Optimizing memset", a must for anyone who knows assembly :D

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