Re: [AD] masked_blit 106% faster !!

[Eduard Bloch <edi@xxxxxxxxxx>]

#include <hallo.h>
Bob wrote on Thu Aug 09, 2001 um 11:54:46PM:
 
> It uses SSE (or Enhanced 3DNow!) to do the job. On my system (P3 
> 800/133), I get a 106% improvement in memory->memory masked_blits, 

Please correct me if I am wrong: SSE is Intels Instruction set for >= PIII,
3DNow! is AMD's for K6 and higher, and Enhanced-3DNow! (aka 3DNow!+) is
an improved Athlon version.  Why do you think iSSE == 3DNow! ?

> On Athlons however, it seems it cuts the speed in half (!) from the 
> normal one. I can't confirm this since I don't have access to one 
...
> If the 3dnow! code really is half as fast as the non-3dnow, I'll remove 
> it from the patch.

If course, it is not 3Dnow.

Gruss/Regards,
Eduard.
-- 
"The three principal virtues of a programmer are Laziness, Impatience,
and Hubris"                              (from the man-page for perl).