Re: tweaking MemSet() performance

Andrew Sullivan wrote:<br /><blockquote cite="mid20020829175951.M1322@mail.libertyrms.com" type="cite"><pre wrap="">On
Thu,Aug 29, 2002 at 01:27:41AM -0400, Neil Conway wrote: </pre><blockquote type="cite"><pre wrap="">Also, if anyone
wouldlike to contribute the results of doing the
 
benchmark on their particular system, that might provide some useful
additional data points.   </pre></blockquote><pre wrap=""></pre></blockquote> Linux 2.4.18 (preempt) gcc 2.95.4 Dual
Althon1600XP 1Gb DDR<br /><br /> memset() *64 2.999s<br /> MemSet() *64 3.640s<br /><br /> memset() *128 4.211s<br />
MemSet()*128 5.933s<br /><br /> memset() *256 6.624s<br /> MemSet()*256 14.889s<br /><br /> memset() *512 11.182s<br />
MemSet()*51228.583s<br /><br /> memset() *1024 20.288s<br /> MemSet()*1024 55.853s<br /><br /> memset() *2048
38.513s<br/> MemSet()*2048 1m50.555s<br /><br /> memset()*4096 1m15.010s<br /> MemSet()*4096 3m40.381s<br /><br />
Linux2.4.16 gcc 2.95.4 Dual Celeron 400 512Mb PC66<br /><br /> memset() *64 15.618s<br /> MemSet() *64 12.864s<br /><br
/>memset() *128 24.524s<br /> MemSet() *128 21.852s<br /><br /> memset() *256 53.963s<br /> MemSet() *256 52.012s<br
/><br/> memset() *512 1m31.232s<br /> MemSet() *512 1m39.445s<br /><br /> memset() *1024 2m44.609s<br /> MemSet()
*1024 3m14.567s<br /><br /> memset() *2048 5m12.630s<br /> MemSet() *2048  6m24.916s<br /><br /> memset() *4096
10m8.183s<br/> MemSet() *4096 12m43.830s<br /><br /> Ashley Cambrell<br /><br />