Re: Opteron Vs. Athlon X2

Mark Hahn <[email protected]> Sun, 11 Dec 2005 00:37:45 -0500 (EST)
Newsgroups gmane.linux.redhat.amd64
Message-ID <Pine.LNX.4.44.0512102146510.5420-100000@coffee.psychology.mcmaster.ca>
> microprocessor.  I know I can't push 6.4GBps through the Opteron.

http://www.cs.virginia.edu/stream/stream_mail/2004/0013.html

here is independent proof that you can do the stream triad at 4555 MB/s,
which after accounting for write-allocate traffic, is 6 GB/s, the number 
I stated.  yes, it is fair to count WA traffic because the XOR checksum
can do movntq (through the cache).