On Sun, 2004-12-05 at 11:01 -0700, Robert LeBlanc wrote: > > Currently, apps like mplayer and OpenSSL run much faster on x86-32 > > because such core routines are in hand-coded assembler. > > > For most other things, though, GCC 3.4 uses the extra 8 registers > > to good effect. > > I think that is where we will see most of our improvements is in > doubling the registers, since so much of what gets done is > recalculating recent values. By not going back to main memory or even > L2 cache, I think we can get a significant performance increase (ie. > An hour less run time for a 24 hour period). I guess I would have to > run tests to see. Another problem is that these programs can be memory > hogs and the nodes only have 512 MB of RAM which is another concern. Lack of sufficient RAM seems like a much bigger issue than 32 vs 64. -- ----------------------------------------------------------------- Ron Johnson, Jr. Jefferson, LA USA PGP Key ID 8834C06B I prefer encrypted mail. "The President has kept all the promises he intended to keep." George Stephanopolous
Attachment:
signature.asc
Description: This is a digitally signed message part