Athlon SDR/DDR stats for *specific* gaussian98 jobs

Robert G. Brown rgb at
Thu May 3 11:30:00 PDT 2001

On Thu, 3 May 2001, Josip Loncaric wrote:

> "Robert G. Brown" wrote:
> >
> > IIRC, somebody on the list (Josip Loncaric?) inserted prefetching into
> > at least parts of ATLAS for use with athlons back when they were first
> > released.  It apparently made a quite significant difference in
> > performance.

Sorry.  I did a google search and pulled up e.g.

It was Emil Briggs from NCSU who wrote BLAS 1 routines hand optimized in
assembler for the Athlon.  There is a web-drop for his efforts in this

which still seems to exist.  I don't know if there are more recent
versions or if this ever went anywhere further, but Emil would likely
know at:

 Emil Briggs <briggs at>

as of 1999.


Robert G. Brown	             
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone: 1-919-660-2567  Fax: 919-660-2525     email:rgb at

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