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Vectorization

 
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THX 1138



Joined: 30 Jun 2011
Posts: 103

PostPosted: Tue Oct 02, 2012 1:39 pm    Post subject: Vectorization Reply with quote

What is a stride-1 array reference?

Also, which of your whitepapers on your website discusses program vectorization? Does it have complete examples in c?

It your website has no examples in c then what website does or where can I find them?

Any help appreciated.

THX 1138


Last edited by THX 1138 on Wed Oct 03, 2012 6:38 am; edited 2 times in total
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mkcolg



Joined: 30 Jun 2004
Posts: 6206
Location: The Portland Group Inc.

PostPosted: Tue Oct 02, 2012 3:04 pm    Post subject: Reply with quote

Hi Newport_j,

Quote:
What is a stride-1 array reference?
The array section is contiguous in memory.
Quote:

Also, which of your whitepapers on your website discusses program vectorization? Does it have complete examples in c?
This one has a nice section about Vectorization. http://www.pgroup.com/lit/articles/pgi_article_tuning.pdf. Though, it does not have a complete code example. It's also a bit old so doesn't include AVX.
For AVX, see this article, http://www.pgroup.com/lit/articles/insider/v3n2a4.htm.

- Mat
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