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Re: [PATCH] PPC64 memcpy
- From: Ulrich Drepper <drepper at redhat dot com>
- To: sjmunroe at vnet dot ibm dot com
- Cc: libc-alpha <libc-alpha at sources dot redhat dot com>
- Date: Tue, 18 Mar 2003 15:00:25 -0800
- Subject: Re: [PATCH] PPC64 memcpy
- Organization: Red Hat, Inc.
- References: <3E779D51.50A7CCBB@us.ibm.com>
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Steven Munroe wrote:
> The following patch implements a optimized memcpy for PPC64. I have measured
> performance gains of 9-30% for short to medium (<64 bytes) memcpy's. The
> biggest gains are seen on POWER4 implementations.
Thanks, I've added the code.
Just one thing: why don't you use tabs before the opcodes? It's
somethng which can help compilation speed (a bit). The entire file is
probably 10-20% larger than necessary.
- --
- --------------. ,-. 444 Castro Street
Ulrich Drepper \ ,-----------------' \ Mountain View, CA 94041 USA
Red Hat `--' drepper at redhat.com `---------------------------
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