Gentoo Archives: gentoo-amd64

From: Brian Litzinger <brian@××××××××××××.com>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] x86_64 optimization patches for glibc.
Date: Tue, 26 Jul 2005 02:55:55
Message-Id: 20050726025451.GA18145@localhost
In Reply to: Re: [gentoo-amd64] x86_64 optimization patches for glibc. by Luke-Jr
1 On Mon, Jul 25, 2005 at 10:24:46PM +0000, Luke-Jr wrote:
2 > On Saturday 23 July 2005 18:44, Brian Litzinger wrote:
3 > > > On Sat, 2005-07-23 at 16:48 +0200, Simon Strandman wrote:
4 > > > > Memory to memory copy rate = 1291.600098 MBytes / sec. Block size =
5 > > > > Memory to memory copy rate = 2389.321777 MBytes / sec. Block size =
6 > > Memory to memory copy rate = 1302.701782 MBytes / sec. Block size =
7 > > Memory to memory copy rate = 2051.979980 MBytes / sec. Block size =
8 >
9 > Before: Memory to memory copy rate = 557.960449 MBytes / sec. Block size =
10 > After: Memory to memory copy rate = 1120.773804 MBytes / sec. Block size =
11 >
12 > Anyone have a clue why I'm getting half what everyone else gets? o.O
13
14 One of the arguments to memcpy is the clock rate in MHz of *your* CPU.
15 Did you adjust it appropriate for your system?
16
17 --
18 Brian Litzinger
19 --
20 gentoo-amd64@g.o mailing list