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: 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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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 Replies Last Postsort ascending
Sticky topic Sticky: Intel MPI Library Troubleshooting Guide
by Gergana S. (Intel)
Mon, 07/27/2015 - 14:47 2
by Gergana S. (Intel)
Tue, 05/16/2017 - 15:22
Sticky topic Sticky: 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
Sticky topic Sticky: New tutorial available on analyzing hybrid OpenMP+MPI applications
by Gergana S. (Intel)
Wed, 11/02/2016 - 15:36 0
by Gergana S. (Intel)
Wed, 11/02/2016 - 15:36
Normal topic MPI error while running SIESTA code
by Iegor P.
Wed, 05/25/2016 - 03:39 8
by ksmith54
Mon, 07/24/2017 - 14:20
Normal topic Separate processes on separate cores
by Vishnu
Sat, 07/15/2017 - 04:13 8
by Vishnu
Fri, 07/21/2017 - 03:51
Normal topic Internal MPI error on user but not as root
by Luis Diego C.
Tue, 11/08/2016 - 18:41 5
by Victor G.
Wed, 07/19/2017 - 20:23
Normal topic Issue with MPI_Iallreduce and MPI_IN_PLACE
by aidan c.
Tue, 07/18/2017 - 05:29 1
by aidan c.
Wed, 07/19/2017 - 03:18
Normal topic Bug in MPI_File_read_all MPI_File_write_all soubroutines
by mochalskyy_serhiy
Fri, 06/23/2017 - 05:00 2
by Si, Zhuowei (Intel)
Mon, 07/17/2017 - 20:06
Normal topic install Intel Studio Cluster Edition after installing Composer Edition
by Shamseddin A.
Fri, 07/14/2017 - 16:35 1
by Si, Zhuowei (Intel)
Mon, 07/17/2017 - 19:20
Normal topic INTERNAL ERROR with SLURM and PMI2
by John D.
Wed, 06/28/2017 - 07:20 3
by John D.
Fri, 07/14/2017 - 01:49
Normal topic openmp application performance dropped with I_MPI_ASYNC_PROGRESS=enable
by Zhoulong J. (Intel)
Tue, 07/11/2017 - 04:19 2
by Zhoulong J. (Intel)
Tue, 07/11/2017 - 22:58
Normal topic performance of Iallreduce on xeon phi
by Zhoulong J. (Intel)
Wed, 07/05/2017 - 02:49 2
by Zhoulong J. (Intel)
Tue, 07/11/2017 - 04:13
Normal topic Parallel jobs running on same processors.
by Xiaoyu W.
Fri, 07/07/2017 - 12:20 3
by Tim P.
Sat, 07/08/2017 - 13:07
Normal topic failed generate trace file with mpirun
by Zhoulong J. (Intel)
Tue, 07/04/2017 - 05:17 2
by Zhoulong J. (Intel)
Wed, 07/05/2017 - 02:31
Normal topic Cache management instructions for Intel Xeon Processors
by matara ma sukoy
Tue, 06/27/2017 - 18:03 1
by McCalpin, John
Wed, 06/28/2017 - 09:06
Normal topic Memory registration cache feature in DAPL -> random failure in simple code
by robertdodds
Mon, 06/26/2017 - 09:04 0
by robertdodds
Mon, 06/26/2017 - 09:04
Normal topic Intel MPI with QoS option
by Thomas G.
Fri, 06/23/2017 - 05:12 0
by Thomas G.
Fri, 06/23/2017 - 05:12
Normal topic MPI_File_read_all MPI_File_write_all local size limit
by mochalskyy_serhiy
Mon, 06/19/2017 - 02:36 4
by Gregg S. (Intel)
Tue, 06/20/2017 - 14:34
Normal topic Intel MPI unable to use 'ofa' fabric with Mellanox OFED on ConnectX-4 Lx EN ethernet cards
by Jacob H.
Tue, 06/20/2017 - 12:16 0
by Jacob H.
Tue, 06/20/2017 - 12:16
Normal topic execvp error (Parallel running between 2 nodes)
by milad m.
Fri, 06/16/2017 - 08:04 9
by Gregg S. (Intel)
Mon, 06/19/2017 - 06:58
Normal topic pmi_proxy not found
by Paul Fons
Wed, 05/28/2014 - 21:24 7
by zangxuma z.
Fri, 06/16/2017 - 20:20
Normal topic Executing a BAT sript with white space in its path + passing arguments with white spaces
by Diego R.
Thu, 04/27/2017 - 08:28 7
by Diego R.
Fri, 06/16/2017 - 08:27
Normal topic MPI on two machines with different choices of I_MPI_FABRICS
by James G.
Mon, 06/05/2017 - 05:21 2
by jimdempseyatthecove
Fri, 06/16/2017 - 08:12
Hot topic Where are these references located? Installation error?
by Brandon W.
Wed, 07/01/2015 - 09:34 24
by Gregg S. (Intel)
Wed, 06/14/2017 - 08:54
Normal topic Error in script creating wrappers for PGI 16.9 using Intel MPI
by Guy
Tue, 06/06/2017 - 01:35 2
by Guy
Tue, 06/06/2017 - 02:27
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