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> On Sat, 2005-07-23 at 16:48 +0200, Simon Strandman wrote:
> > With the glibc 2.3.5 currently in gentoo I get:
> > isidor ~ # ./memcpy 2200 1000 1048576
> > Memory to memory copy rate = 1291.600098 MBytes / sec. Block size = 1048576.
> >
> > But with glibc 2.3.5 + amd64 optimized strings I get:
> > isidor ~ # ./memcpy 2200 1000 1048576
> > Memory to memory copy rate = 2389.321777 MBytes / sec. Block size = 1048576.
> >
> > That's an improvement of over 1000mb/s! Suse 9.3 also gives about
> > 2300mb/s out of the box.
pre:
./memcpy 2000 1000 1048576
Memory to memory copy rate = 1302.701782 MBytes / sec. Block size = 1048576.
post:
./memcpy 2000 1000 1048576
Memory to memory copy rate = 2051.979980 MBytes / sec. Block size = 1048576.
AMD64 3200+ 2.0GHz
1024MB PC2700
Compaq R3240US
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