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Programming > Assembly x86 > Re: Population ...
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Re: Population count in SSE2, again

by "Maarten Kronenburg" <spamtrap@[EMAIL PROTECTED] > Apr 15, 2008 at 05:13 PM

"Maarten Kronenburg"  wrote in message
>
> "James Van Buskirk"  wrote in message
> > There was a thread about population count in comp.lang.fortran but
> > nobody seemed to like my assembly code over there:
>
> For what it's worth below I give my 32-bit assembler for popcnt.

The assembler code I gave above, but in mmx and using psadbw as you
suggested, runs 5 cycles/32-bit.
Now I try to put it in xmm and hope to do even a little better, I will put
the result here.
Regards, Maarten
 




 33 Posts in Topic:
Population count in SSE2, again
"James Van Buskirk&q  2008-04-12 03:14:45 
Re: Population count in SSE2, again
Terence <spamtrap@[EM  2008-04-12 16:55:40 
Re: Population count in SSE2, again
Terje Mathisen <spamt  2008-04-13 15:08:36 
Re: Population count in SSE2, again
"James Van Buskirk&q  2008-04-13 09:20:49 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-13 21:48:40 
Re: Population count in SSE2, again
Jake Waskett <spamtra  2008-04-13 21:43:32 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-14 01:55:14 
Re: Population count in SSE2, again
Jake Waskett <spamtra  2008-04-14 11:19:35 
Re: Population count in SSE2, again
"James Van Buskirk&q  2008-04-14 02:38:07 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-14 20:53:32 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-15 17:13:38 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-15 21:58:21 
Re: Population count in SSE2, again
Terence <spamtrap@[EM  2008-04-13 17:14:55 
Re: Population count in SSE2, again
"Wolfgang Kern"  2008-04-14 12:42:35 
Re: Population count in SSE2, again
"James Van Buskirk&q  2008-04-14 13:53:21 
Re: Population count in SSE2, again
"Wolfgang Kern"  2008-04-16 15:34:09 
Re: Population count in SSE2, again
"James Van Buskirk&q  2008-04-16 10:05:48 
Re: Population count in SSE2, again
Robert Redelmeier <red  2008-04-14 14:21:05 
Re: Population count in SSE2, again
"James Van Buskirk&q  2008-04-14 02:58:34 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-14 18:09:21 
Re: Population count in SSE2, again
Terje Mathisen <spamt  2008-04-15 07:28:26 
Re: Population count in SSE2, again
Terence <spamtrap@[EM  2008-04-14 05:00:42 
Re: Population count in SSE2, again
Terence <spamtrap@[EM  2008-04-14 15:09:35 
Re: Population count in SSE2, again
Terence <spamtrap@[EM  2008-04-15 02:29:34 
Re: Population count in SSE2, again
Gerd Isenberg <spamtr  2008-04-15 02:56:39 
Re: Population count in SSE2, again
"James Van Buskirk&q  2008-04-16 00:33:16 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-16 14:42:37 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-16 19:38:21 
Re: Population count in SSE2, again
"James Van Buskirk&q  2008-04-16 12:41:36 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-16 21:39:47 
Re: Population count in SSE2, again
"Maarten Kronenburg&  2008-04-17 16:43:31 
Re: Population count in SSE2, again
Gerd Isenberg <spamtr  2008-04-16 09:58:11 
Re: Population count in SSE2, again
"James Van Buskirk&q  2008-04-16 12:59:38 

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tan12V112 Fri Jul 25 21:04:44 CDT 2008.