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.
Private messages can only be initiated by Intel employees and members of the Intel® Black Belt Developer program.
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Topic / Topic starter Post date Replies Last Postsort ascending
Sticky topic Sticky: Links to instruction documentation
by Thomas Willhalm 		Fri, 12/31/2010 - 07:07 36
 by Note, Mark
Thu, 11/22/2018 - 00:21
Sticky topic Sticky: Resources about Intel® Transactional Synchronization Extensions (Intel TSX)
by Roman Dementiev 		Fri, 06/07/2013 - 06:46 6
 by D. Hugh R.
Sat, 05/21/2016 - 09:28
Sticky topic Sticky: Intel® Software Development Emulator release 7.30
by Mark Charney 		Mon, 09/21/2015 - 05:23 3
 by Sergio J. C.
Wed, 12/16/2015 - 12:26
Normal topic BIOS and AVX/AVX2/AVX512
by Cao, Henry 		Fri, 07/12/2019 - 18:37 4
 by McCalpin, John
Mon, 07/15/2019 - 12:51
Normal topic counting unique elements with AVX2 intrinsic functions
by sunwoo 		Thu, 07/04/2019 - 11:26 11
 by jimdempseyatthecove
Sat, 07/13/2019 - 10:13
Normal topic Shifting by signed values?
by K., Arav 		Wed, 07/10/2019 - 09:43 0
 by K., Arav
Wed, 07/10/2019 - 09:43
Normal topic How to use SDE attach background process?
by Xingyi S. 		Tue, 06/25/2019 - 20:29 3
 by Xingyi S.
Sun, 06/30/2019 - 20:17
Normal topic vblendmps vblendmpd not in opcode maps 0F 38
by Fautrero, Pascal 		Mon, 06/17/2019 - 07:39 2
 by Fautrero, Pascal
Mon, 06/17/2019 - 08:27
Normal topic some EVEX encoded instructions not in opcodes maps 0F3A
by Fautrero, Pascal 		Mon, 06/17/2019 - 01:31 1
 by Mark Charney
Mon, 06/17/2019 - 07:52
Normal topic Encoding phsubsw with VEX.256
by Fautrero, Pascal 		Thu, 06/13/2019 - 22:48 1
 by Mark Charney
Fri, 06/14/2019 - 15:30
Hot topic Bugs in Intrinsics Guide (Page: 1, 2, 3, 4)
by andysem 		Wed, 01/30/2013 - 00:24 186
 by Stefan MW
Wed, 05/29/2019 - 04:56
Normal topic GFNI documentation anomaly
by Beulich, Jan 		Sun, 05/26/2019 - 01:54 4
 by Beulich, Jan
Tue, 05/28/2019 - 07:47
Normal topic How to clear the upper 128 bits of __m256 value?
by Vladimir Sedach 		Mon, 01/27/2014 - 04:47 14
 by andysem
Mon, 05/27/2019 - 02:05
Normal topic SDE debug not working on OS-X
by TIMOTHY R. 		Thu, 05/23/2019 - 12:09 1
 by Mark Charney
Thu, 05/23/2019 - 12:26
Normal topic AVX512 missing intrinsics(sign)
by zhou, jieying 		Thu, 04/18/2019 - 00:45 1
 by McCalpin, John
Mon, 05/20/2019 - 12:34
Normal topic TSX problem(s)
by Kelvin C. 		Mon, 04/22/2019 - 01:37 8
 by Crownie, Daniel
Tue, 05/14/2019 - 05:49
Normal topic Strange Data Appears in YMM2 During Interrupt
by KNN 		Fri, 05/03/2019 - 22:00 1
 by KNN
Thu, 05/09/2019 - 19:36
Normal topic how to fix epson printer error code 0xe5?
by smith, angilina 		Mon, 04/08/2019 - 01:08 0
 by smith, angilina
Mon, 04/08/2019 - 01:08
Normal topic why MKL doesn't use the SIMD?
by zhou y. 		Thu, 04/04/2019 - 02:02 0
 by zhou y.
Thu, 04/04/2019 - 02:02
Normal topic SDE & MSR
by CyrIng 		Sun, 03/31/2019 - 02:50 2
 by CyrIng
Sun, 03/31/2019 - 11:32
Normal topic Optimizing XOR and Popcount using AVX2
by sardar, kashif 		Wed, 03/27/2019 - 03:34 3
 by jimdempseyatthecove
Sat, 03/30/2019 - 05:17
Normal topic How to Reduce CAL (Function Call Interrupts ) on x86_64 architectures in /proc/interrupts
by Kumar, Satish 		Tue, 02/20/2018 - 00:00 6
 by Richard Nutman
Mon, 03/18/2019 - 02:38
Normal topic Finding TSX abort root cause.
by Fernando, Pradeep 		Sat, 03/09/2019 - 20:18 0
 by Fernando, Pradeep
Sat, 03/09/2019 - 20:18
Normal topic FMA instructions performance AVX2 and AVX512
by perera, niranda 		Fri, 03/08/2019 - 11:58 1
 by McCalpin, John
Fri, 03/08/2019 - 15:22
Normal topic permitted CR2 values
by Beulich, Jan 		Tue, 02/12/2019 - 02:49 4
 by Mark Charney
Fri, 03/08/2019 - 06:03
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For more complete information about compiler optimizations, see our Optimization Notice.