Intel® Developer Zone:
Intel ISA Extensions

Announcements
 

Support for various extensions to the Intel Instruction Set Architecture, including but not limited to:

  • Intel® AVX, which provides the infrastructure and building blocks for delivering the performance required by the growing needs of applications such as financial analysis, media content creation, encoding and encryption, natural resource industry, and High Performance Computing (HPC)
  • Intel® MPX, which provides the infrastructure for software to trap buffer overflow errors before they can be exploited by malware
  • Intel® SHA Extensions, which provide improved performance for applications using the commonly employed Secure Hash Algorithm to obtain greater data integrity, message authentication, digital signatures and data de-duplication
  • Intel® SGX forum support has been moved to a new location
This is a peer forum for developers using Intel® technology. Response times vary depending on the complexity of your issue.
Topic / Topic starter Post date Repliessort descending Last Post
Normal topic No speedup AVX over SSE
by nik0las
Sun, 09/02/2012 - 22:45 6
by Tim P.
Fri, 09/14/2012 - 13:38
Normal topic Disable SSE* instructions
by Hsunwei H.
Mon, 06/16/2014 - 21:56 6
by McCalpin, John
Wed, 06/18/2014 - 07:02
Normal topic Performing a two element broadcast/load in AVX
by Bharat N.
Thu, 03/28/2013 - 21:55 6
by Bharat N.
Sat, 04/06/2013 - 13:37
Normal topic absolute value of the difference between two unsigned char
by hurricanezhb
Sun, 04/26/2009 - 10:00 6
by neni
Sun, 04/26/2009 - 10:00
Normal topic Intel(R) SDE 2.94 release announcement
by Mark Charney (Intel)
Thu, 12/31/2009 - 13:07 6
by twilkens
Tue, 02/02/2010 - 08:19
Normal topic Fastest way to AND across packed doubles?
by christian.convey
Thu, 01/19/2012 - 06:40 6
by bronxzv
Thu, 01/19/2012 - 09:43
Normal topic SSE4 Intrensics on Visual Studio 2008
by Uday Krishna G.
Wed, 07/30/2014 - 23:50 6
by Thomas Willhalm...
Fri, 08/01/2014 - 04:53
Normal topic Performance boost is not as expected using SSE intrinsics
by joggingsonggmail.com
Mon, 01/18/2010 - 23:07 6
by bronxzv
Mon, 01/18/2010 - 23:07
Normal topic Int64 <-> double conversion with SSE?
by pvercello
Sat, 06/07/2008 - 02:33 6
by wmula
Fri, 06/13/2008 - 17:50
Normal topic CPU enhancement wish list
by youjaes
Sun, 07/05/2009 - 01:37 6
by jimdempseyatthecove
Sun, 07/05/2009 - 01:37
Normal topic PCMPESTRI behaviour
by dj_alek
Wed, 09/21/2011 - 00:31 6
by dj_alek
Wed, 11/30/2011 - 06:37
Normal topic AVX: _mm_alignr_epi8 equivalent for YMM registers ?
by emmanuel.attia
Tue, 05/31/2011 - 12:07 6
by perfwise
Sun, 10/13/2013 - 09:02
Normal topic Latest ASM compiler other than Intel C and C++ Compilers
by Uday Krishna G.
Wed, 12/25/2013 - 23:21 6
by bronxzv
Fri, 01/03/2014 - 15:15
Normal topic How Profile a program that have avx instructions
by Innocenzo M.
Fri, 12/18/2015 - 07:40 6
by iliyapolak
Thu, 12/24/2015 - 02:29
Normal topic Is Haswell's new transactional memory 'TSX' actually slower than locking?
by Elmar
Thu, 08/29/2013 - 09:28 6
by jimdempseyatthecove
Fri, 09/06/2013 - 06:01
Normal topic hi , i am optimize the compiler , and use more sse instruction , but i get result that sse instruction is slow than x87 instruction about 50%, can you have some commen!thanks.
by dk_zhou
Sat, 02/26/2011 - 19:50 6
by c0d1f1ed
Sat, 02/26/2011 - 20:02
Normal topic Can AVX instruction be executed in parallel
by Manish K.
Mon, 03/30/2015 - 03:12 6
by iliyapolak
Tue, 03/31/2015 - 01:11
Normal topic andps vs. andpd vs. pand
by c0d1f1ed
Fri, 09/19/2008 - 04:23 6
by emmetcaulfield
Wed, 10/08/2008 - 05:19
Normal topic P4 stalls for >240 uSec
by stevek999
Fri, 07/11/2008 - 06:28 6
by Igor Levicki
Tue, 08/05/2008 - 05:18
Normal topic SSE runtime comparison (gcc 4.6.1)
by debasish83
Sun, 08/07/2011 - 18:28 6
by Tim P.
Sun, 08/07/2011 - 18:28
Normal topic assembly language
by zhangxiuxia
Tue, 05/24/2011 - 22:36 6
by zhangxiuxia
Tue, 05/24/2011 - 22:36
Normal topic Intel CPU support for real-time OS
by caosun
Thu, 05/16/2013 - 03:14 6
by Sergey Kostrov
Fri, 05/17/2013 - 06:10
Normal topic Why this AVX code is slower than SSE?
by zlw
Wed, 09/28/2011 - 21:36 7
by zlw
Tue, 11/08/2011 - 11:09
Normal topic sse2 intrinsic equivalent
by Smart Lubobya
Mon, 08/16/2010 - 09:06 7
by neni
Fri, 09/03/2010 - 15:52
Normal topic Additional instructions suggestion
by c0d1f1ed
Mon, 04/28/2008 - 14:43 7
by Agner
Wed, 08/06/2008 - 02:37
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Hot topic with new posts
Hot topic without new posts
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For more complete information about compiler optimizations, see our Optimization Notice.