[PD] [OT] SSE/MMX tips?

Mathieu Bouchard matju at artengine.ca
Tue Dec 6 20:24:03 CET 2011

On Wed, 7 Sep 2011, Claude Heiland-Allen wrote:
> On 07/09/11 12:17, Bill Gribble wrote:
>> The operation is integration.
> Try calling it 'scan' and you might end up with more productive searches, at 
> least to my mind integration is more about summing over continuous regions 
> than something discrete like this.
> Searching for "data parallel algorithm scan" leads to pages like:
> http://citeseerx.ist.psu.edu/viewdoc/download?doi=

If I implemented [#scan] that way on one processor, it would be slower... 
that algorithm begins being faster (than the obvious one) if you have 
O(log n) processors.

(yes, again forgot to send a mail long ago)

| Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, QC

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