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 MPS in 2018 Beta?
by Ronald G.
Thu, 05/04/2017 - 15:18 1
by Mark L. (Intel)
Wed, 05/10/2017 - 14:49
Normal topic When I_MPI_FABRICS=shm, the size of MPI_Bcast can't larger than 64kb
by 杨 栋.
Mon, 04/17/2017 - 02:37 5
by Si, Zhuowei (Intel)
Wed, 05/03/2017 - 22:24
Normal topic INTEL-MPI-5.0: Bug in MPI-3 shared-memory allocation (MPI_WIN_ALLOCATE_SHARED, MPI_WIN_SHARED_QUERY)
by Michael R.
Tue, 08/05/2014 - 00:51 6
by James T. (Intel)
Fri, 04/28/2017 - 12:52
Normal topic PSM2_MQ_RECVREQS_MAX limit reached
by stefano t.
Thu, 04/20/2017 - 02:18 3
by Dmitry S. (Intel)
Fri, 04/28/2017 - 06:42
Normal topic IMB and --input, 2017.0.2
by 4f0drlp7eyj3
Wed, 04/19/2017 - 08:21 2
by 4f0drlp7eyj3
Thu, 04/27/2017 - 09:14
Normal topic “make check” fails when compiling parallel HDF5 with intel compilers!
by Farrokh A.
Fri, 04/21/2017 - 22:06 1
by Dmitry S. (Intel)
Thu, 04/27/2017 - 01:03
Normal topic MPI_File_write_shared problem
by stefano t.
Wed, 04/12/2017 - 15:41 4
by Mark L. (Intel)
Tue, 04/18/2017 - 23:23
Normal topic system call intrinsics not working when using ILP64 version of Intel MPI
by John Y.
Fri, 06/03/2016 - 05:55 11
by Mark L. (Intel)
Mon, 04/17/2017 - 17:31
Normal topic MPI bad termination error
by JY L.
Wed, 04/05/2017 - 21:46 1
by Mark L. (Intel)
Fri, 04/14/2017 - 16:26
Normal topic Join the Intel® Parallel Studio XE 2018 Beta program
by Gergana S. (Intel)
Thu, 04/13/2017 - 15:55 0
by Gergana S. (Intel)
Thu, 04/13/2017 - 15:55
Normal topic Hybrid MPI/OpenMP showing poor performance when using all cores on a socket vs. N-1 cores per socket
by Gandharv K.
Fri, 03/31/2017 - 13:00 2
by Gandharv K.
Sat, 04/01/2017 - 13:25
Normal topic What could be a cause of the MPI program to run slower on multinode cluster?
by Arthur V. Ratz
Mon, 03/27/2017 - 05:30 5
by Arthur V. Ratz
Sat, 04/01/2017 - 06:15
Normal topic How to debug under Intel MPI?
by linfa
Wed, 09/15/2010 - 13:09 4
by Ben F.
Fri, 03/31/2017 - 05:01
Normal topic Different environment variable on different compute node
by Yongjun L.
Wed, 03/29/2017 - 13:41 1
by Yongjun L.
Thu, 03/30/2017 - 13:36
Normal topic Trading App
by EDUARDO M.
Fri, 03/03/2017 - 13:23 1
by Dmitry S. (Intel)
Mon, 03/27/2017 - 23:52
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
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