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Intel® Many Integrated Core Architecture (Intel MIC Architecture)

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Intel® Xeon Phi™

Intel® Xeon Phi™ Coprocessor is the brand name for all Intel® Many Integrated Core Architecture (Intel MIC Architecture) based products. At the end of 2012, Intel launched the first generation of the Intel Xeon Phi product family (coprocessors codenamed "Knights Corner") complementing the existing Intel® Xeon® processor product families to deliver new levels of performance for highly parallel workloads.

This forum is for discussion of public information about Intel MIC Architecture, Intel Xeon Phi Coprocessors, and preparing code to fully utilize this class of machines whether on a single chip or not (this is the key to programming the coprocessor).

Please visit the Developer zone at https://software.intel.com//en-us/xeon-phi to see all documentation resources available for assessing, configuring, programming, and optimizing for Intel Xeon Phi Coprocessors.

Questions will be answered by both peers and Intel representatives that monitor this forum.

We invite you to subscribe to this forum to see new threads and updates (see button below, on the right). Please also note the ability to search for specific information within this forum, by clicking the button below, on the left.

Intel monitors this forum Monday – Friday, 09:00 – 17:00 Pacific Time (GMT –7:00). Depending on the amount of research we need to do to track down the answer, it may take a day or two for us to respond.
Topic / Topic startersort ascending Post date Replies Last Post
Normal topic Will Phi installed on a z800 2xX5650 workstation give the full potential of Phi?
by Anders S.
Fri, 06/05/2015 - 00:37 3
by Anders S.
Mon, 06/15/2015 - 02:55
Normal topic Why Xeon Phi always got bad efficacy?
by Po Chang W.
Thu, 11/20/2014 - 02:00 7
by jimdempseyatthecove
Sat, 11/22/2014 - 16:04
Normal topic Why Voltage
by Xin C.
Thu, 11/13/2014 - 10:58 6
by Xin C.
Fri, 11/14/2014 - 11:09
Normal topic why use the ssh to start mpss on the remote host hang?
by Xiao peng W.
Thu, 06/27/2013 - 08:02 1
by Xiao peng W.
Mon, 07/08/2013 - 07:20
Normal topic why this simple offload give Segmentation fault error
by yongbei ma.
Sat, 11/01/2014 - 02:56 1
by Davis, Kevin D
Sat, 11/01/2014 - 03:58
Normal topic why mic busspeedreadback and busspeeddownload is not steady?
by dl h.
Tue, 12/17/2013 - 00:21 5
by Andrey Vladimirov
Wed, 12/18/2013 - 10:33
Normal topic Why it shows COI_ERROR
by Rancho L.
Tue, 04/21/2015 - 03:15 2
by Rancho L.
Wed, 04/22/2015 - 02:34
Normal topic Why it is so difficult to write AVX code on MIC!
by Shaohua W.
Fri, 06/27/2014 - 02:01 11
by Shaohua W.
Mon, 06/30/2014 - 20:16
Normal topic Why is there segmentation fault when running intel optimized MP Linpack and other parallel appllication?
by Rancho L.
Mon, 05/18/2015 - 07:19 3
by Rancho L.
Mon, 05/18/2015 - 16:59
Normal topic Why is persistent data changing between function calls in this code
by Dhairya M.
Mon, 01/13/2014 - 17:05 3
by Dhairya M.
Fri, 01/17/2014 - 22:21
Normal topic Why GotoBlas has so low efficiency(where is wrong for my steps)?
by Rancho L.
Thu, 04/16/2015 - 02:04 4
by Rancho L.
Fri, 04/17/2015 - 05:17
Normal topic Why does the Xeon Phi speed up more than 16 times when using Vector Instructions?
by Zhang F.
Thu, 09/11/2014 - 04:59 3
by John McCalpin
Thu, 09/11/2014 - 07:48
Normal topic Why does scif_register() return 0?
by Bryan H.
Wed, 06/10/2015 - 05:02 2
by Bryan H.
Wed, 06/10/2015 - 21:05
Normal topic Why Are Two Same Code and Data with Different Execution Time?
by Jiawen L.
Mon, 01/11/2016 - 21:07 1
by jimdempseyatthecove
Tue, 01/12/2016 - 05:50
Normal topic Why are the percent of the first core user always below 100%?
by wang p.
Thu, 12/18/2014 - 05:48 2
by wang p.
Thu, 12/18/2014 - 18:23
Normal topic White paper: N-body simulation on Intel Xeon Phi Coprocessors
by Andrey Vladimirov
Thu, 01/10/2013 - 13:50 11
by danielpf
Mon, 05/05/2014 - 02:34
Normal topic Which optimizations are applied in O1?
by kadir
Mon, 05/12/2014 - 05:56 2
by Loc N. (Intel)
Wed, 05/14/2014 - 10:04
Normal topic Which OFED for RHEL 7 + True Scale?
by Andrey Vladimirov
Wed, 10/01/2014 - 10:46 3
by Andrey Vladimirov
Thu, 10/02/2014 - 12:41
Normal topic Which compiler?
by Bruce Weaver
Wed, 08/07/2013 - 17:38 1
by Davis, Kevin D
Thu, 08/08/2013 - 08:18
Normal topic Which BLAS 2 operations in MKL are threaded on the Phi?
by (name withheld)
Tue, 12/15/2015 - 08:10 0
by (name withheld)
Tue, 12/15/2015 - 08:10
Normal topic Where to find detailed code examples for offload in Fortran under both Linux and Windows?
by Anders S.
Fri, 09/18/2015 - 11:55 1
by holmz
Sat, 11/28/2015 - 01:35
Normal topic Where statement and Vectorization
by aketh t.
Mon, 06/22/2015 - 23:59 13
by jimdempseyatthecove
Thu, 06/25/2015 - 09:41
Normal topic where should I put the library required by sink?
by songlinhai
Thu, 06/27/2013 - 08:45 2
by Ravi Narayanasw...
Thu, 06/27/2013 - 09:17
Normal topic Where is perf command?
by GHui
Tue, 12/03/2013 - 20:52 7
by Aram S.
Wed, 03/26/2014 - 00:59
Normal topic Where is micctrl?
by Jyh-Shyong H.
Sat, 11/02/2013 - 06:59 6
by Frances Roth (Intel)
Fri, 11/15/2013 - 18:08
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For more complete information about compiler optimizations, see our Optimization Notice.