Intel® Developer Zone:
Intel® Clusters and HPC Technology

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A forum for HPC experts and enthusiasts to share their knowledge, resources, and insights for the advancement of HPC solutions, cluster solutions, and the computing architectures that implement them. Other useful information: Intel® MPI Library support resources, Intel® Trace Analyzer and Collector support resources, and Product Information

Prior to posting here, take a look at the Intel MPI Library Troubleshooting section in the latest User's Guides, as that might have the solution you need:

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Topic / Topic starter Post date Replies Last Postsort ascending
Normal topic Irqbalance update affinity_hint and banned cpus conflict
by John H.
Mon, 03/20/2017 - 03:19 3
by Dmitry S. (Intel)
Mon, 03/27/2017 - 23:43
Normal topic Which logical core does MPI background threads are pinned?
by seongyun k.
Mon, 03/27/2017 - 06:39 2
by Dmitry S. (Intel)
Mon, 03/27/2017 - 23:38
Normal topic MPI Installer error
by Alejandro P.
Fri, 03/03/2017 - 05:58 1
by Dmitry S. (Intel)
Mon, 03/27/2017 - 03:58
Normal topic Nested MPI process failed with GetParentPort error
by CALUGARU D.
Fri, 03/24/2017 - 04:10 1
by Dmitry S. (Intel)
Mon, 03/27/2017 - 03:40
Normal topic [Intel MPI benchmarks] Non-free license of JavaScript files
by Michal S.
Tue, 03/07/2017 - 09:28 2
by Si, Zhuowei (Intel)
Mon, 03/13/2017 - 17:46
Normal topic mpi2017 update2 segfault at libmpifort.so.12.0 when mpirun test
by wang b.
Thu, 03/09/2017 - 22:40 1
by Si, Zhuowei (Intel)
Sun, 03/12/2017 - 18:42
Normal topic Parallel studio 2016 u3 Debian 8 support
by Leos P.
Tue, 09/06/2016 - 15:29 5
by Leos P.
Sun, 03/12/2017 - 10:45
Closed topic mpirun seems to set GOMP_CPU_AFFINITY
by Ronald G.
Tue, 02/28/2017 - 16:22 6
by Ronald G.
Wed, 03/08/2017 - 13:07
Hot topic MPI having bad performance in user mode, runs perfectly in root
by Jeremie Lagraviere
Thu, 01/21/2016 - 08:32 15
by KRISTOPHER K.
Thu, 03/02/2017 - 18:39
Normal topic How to use command to install Parallel studio cluster to a specific location
by Leon W.
Fri, 02/24/2017 - 14:17 0
by Leon W.
Fri, 02/24/2017 - 14:17
Normal topic Trouble installing Windows MPI runtime environment
by Simon W.
Fri, 02/24/2017 - 03:59 0
by Simon W.
Fri, 02/24/2017 - 03:59
Normal topic MPI_Allreduce is toooo slow
by seongyun k.
Sun, 02/19/2017 - 23:45 2
by Chen, Yuan (Intel)
Fri, 02/24/2017 - 01:39
Normal topic optimized executables for specific processors
by Dave K.
Wed, 02/22/2017 - 11:17 2
by McCalpin, John
Thu, 02/23/2017 - 11:45
Normal topic mpirun errors
by lakshitha p.
Fri, 02/17/2017 - 12:00 0
by lakshitha p.
Fri, 02/17/2017 - 12:00
Normal topic mpsvars error
by Raju A.
Fri, 02/10/2017 - 11:08 1
by Si, Zhuowei (Intel)
Thu, 02/16/2017 - 20:14
Normal topic MPI/openMP segmentation error
by buu p.
Wed, 02/08/2017 - 18:51 1
by Si, Zhuowei (Intel)
Thu, 02/16/2017 - 19:52
Normal topic MPI Bi-band benchmark shows MPI cannot exploit full duplex transmission mode
by seongyun k.
Mon, 01/16/2017 - 16:50 2
by McCalpin, John
Thu, 02/16/2017 - 13:23
Normal topic cross-compilation
by kazue m.
Wed, 02/15/2017 - 17:15 1
by Tim P.
Wed, 02/15/2017 - 18:54
Normal topic Problem with Intel Trace Collector
by Marco C.
Wed, 07/01/2015 - 12:07 8
by Pushpa H.
Wed, 02/08/2017 - 23:20
Normal topic MPI - Code hangs when send/recv large data
by Haoyan H.
Fri, 02/19/2016 - 18:12 5
by Tom K.
Tue, 02/07/2017 - 02:14
Normal topic MPI_Recv Hangs While Receiving Large Array
by Simon B.
Tue, 02/07/2017 - 01:41 0
by Simon B.
Tue, 02/07/2017 - 01:41
Hot topic mpiexec does not run
by Hewei S.
Fri, 12/30/2016 - 01:16 15
by Jose Carlos A.
Fri, 02/03/2017 - 11:12
Normal topic why 'logic' value of KMP_AFFINITY is invalid?
by dingjun.chencmgl.ca
Tue, 01/31/2017 - 07:41 1
by McCalpin, John
Wed, 02/01/2017 - 09:19
Normal topic mpiifort running fine on some nodes and showing "open_hca: device mlx4_0 not found" for others
by Edrisse C.
Wed, 01/25/2017 - 00:08 2
by Edrisse C.
Tue, 01/31/2017 - 22:00
Normal topic memory problem in I_MPI_WAIT_MODE=1 with shm:ofa fabrics
by Tofu
Tue, 01/31/2017 - 19:52 0
by Tofu
Tue, 01/31/2017 - 19:52
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