Software consequences of extending XMM to YMM
Langue Anglais The extension of registers to the double size has happened several times in the history of the x86 ISA. Every time registers are extended to a larger size we have the problem with...
View ArticleIntel® AVX: New Frontiers in Performance Improvements and Energy Efficiency
Download PDFIntel® AVX: New Frontiers in Performance Improvements and Energy Efficiency [PDF 72KB]Intel® Advanced Vector ExtensionsInformatique parallèle
View ArticleAES on Mobile Sandy Bridge?
Langue Anglais I bought a new HP DV7 with the i7 2630QM (which isn't listed on ark.intel.com) and I'm now finding out it doesn't have AES instructions??? I'm pretty confucsed and upset... Is there a...
View ArticleAVX in Sandy Bridge
Langue Anglais A few new public information about the 1st AVX incarnation in Sandy Bridge in the SF09_ARCS002_FIN.pdf document available here :http://www.intel.com/idf/technology-tracks/ -> "32 nm...
View ArticleWhy no FMA in AVX in Sandy Bridge?
Langue Anglais I have heard that Sandy Bridge won't have FMA implementation.If that rumor is true, I would really like to know who decided that x86 developers should wait more to finally get fused...
View ArticleAVX alignment requirement
Langue Anglais Public statements imply no special alignment requirements for AVX, and that there will be no particular support for more than the 16-byte alignments supported in 64-bit OS. However, the...
View ArticleAdd Instruction PROTD
Langue Anglais A bit rotate is very common in cryptography. If you need to encrypt or decrypt data fast and you chose a method to be able to encrypt and/or decrypt data out of order. Which is the case...
View Articleandps vs. andpd vs. pand
Langue Anglais Hi all,To perform a logical andoperation on SSE vectors I can choose between the float, double, and integer variants of the intruction. But which one is truely preferred?
View ArticleWhere can I find documents about SSE3 and SSE4 for early study?
Langue Anglais Where can I find documents about SSE3 and SSE4 for early study, or the website link?Thanks.
View ArticleWelcome to the Intel(R) AVX Forum!
Langue Anglais Please take a moment to read the papers and download the guide from the Intel AVX web site. If you have any questions about Intel AVX, AES, or SSE4.2 please aske your questions here and...
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