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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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Topic / Topic starter Post date Repliessort descending Last Post
Normal topic Incorrect program or MPI implementation bug?
by Adrian I.
Sun, 07/06/2014 - 10:25 2
by Adrian I.
Tue, 07/08/2014 - 08:31
Normal topic Mpirun is treating -perhost, -ppn, -grr the same: always round-robin
by Raghu R.
Thu, 10/08/2015 - 08:38 2
by Raghu R.
Fri, 10/09/2015 - 08:25
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
Normal topic pls help me:why i can not see the real cache size by /proc/cpuinfo ?
by (name withheld)
Fri, 01/26/2007 - 03:27 2
by (name withheld)
Mon, 01/29/2007 - 04:26
Normal topic ICR: Infiniband specific tests
by jollyshah
Thu, 04/02/2009 - 03:33 2
by jollyshah
Thu, 04/02/2009 - 03:33
Normal topic Where should the "machines.LINUX" file be located?
by (name withheld)
Thu, 06/19/2008 - 11:45 2
by (name withheld)
Thu, 06/19/2008 - 23:00
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 missing 64-bit installation
by Yocheved G.
Sun, 04/17/2016 - 02:38 2
by Dmitry S. (Intel)
Thu, 04/28/2016 - 02:54
Normal topic Fine-grain time synchronization among HPC nodes
by Daniele C.
Fri, 07/28/2017 - 06:20 2
by McCalpin, John
Tue, 08/01/2017 - 13:24
Normal topic hw prefetching
by stdweird
Wed, 08/11/2010 - 06:05 2
by Tim P.
Wed, 08/11/2010 - 06:05
Normal topic catastrophic error: cannot open source file "mpi.h"
by Tami C.
Thu, 02/21/2013 - 05:44 3
by Tim P.
Mon, 02/25/2013 - 06:31
Normal topic Recover from crash
by johnappleyard377
Tue, 01/27/2009 - 08:58 3
by Dmitry Kuzmin (...
Tue, 01/27/2009 - 08:58
Normal topic Linking Error In Intel compilers used
by ssbhpc
Wed, 01/04/2012 - 22:23 3
by James T. (Intel)
Fri, 01/06/2012 - 06:27
Normal topic MPI only works when connected to remote hosts via RDP
by Ian G.
Wed, 08/28/2013 - 20:47 3
by James T. (Intel)
Tue, 09/03/2013 - 07:06
Normal topic Segmentation fault in MPIU_Handle_obj_alloc_unsafe
by Victor V.
Mon, 02/03/2014 - 07:08 3
by James T. (Intel)
Wed, 03/05/2014 - 12:53
Normal topic Using InfiniBand network fabrics to allocate globally shared memory for processes on different nodes
by Arthur V. Ratz
Fri, 02/05/2016 - 22:05 3
by Arthur V. Ratz
Tue, 02/09/2016 - 19:25
Normal topic RDMA DEFAULT MAX SEND/RECV WQE
by karl_lehnberger
Tue, 03/22/2011 - 07:05 3
by Dmitry Kuzmin (...
Tue, 03/22/2011 - 07:05
Normal topic MPI_Finalize() won't finalize if stdout and stderr are redirected via freopen
by Fanny D.
Wed, 03/30/2016 - 01:45 3
by Michael Steyer ...
Fri, 05/20/2016 - 00:52
Normal topic MPI IO problem with intel mpi v. 4.0.1.007 -
by Terrence Liao
Tue, 12/14/2010 - 13:37 3
by Terrence Liao
Tue, 12/14/2010 - 13:37
Normal topic how can i active mpdboot on my each nodes
by Sungho L.
Wed, 05/29/2013 - 05:17 3
by Gergana S. (Intel)
Thu, 05/30/2013 - 14:12
Normal topic mpirun : [Errno 2] No such file or directory
by glockner2
Sat, 11/15/2008 - 13:29 3
by glockner2
Sat, 11/15/2008 - 13:29
Normal topic How to run Intel mp_linpack pre-compiled with Hyper-threading enabled?
by Simon H.
Wed, 01/27/2016 - 09:58 3
by James T. (Intel)
Wed, 02/03/2016 - 07:55
Normal topic Crash or deadlock in MPI_Allgather
by Craig Artley
Mon, 02/21/2011 - 10:16 3
by Dmitry Kuzmin (...
Thu, 02/24/2011 - 04:37
Normal topic MPI_Allgatherv with large message sizes
by Steven V.
Thu, 02/20/2014 - 07:27 3
by phonlawat k.
Thu, 05/15/2014 - 14:51
Normal topic Help with MPI abort message
by Jack S.
Wed, 10/21/2015 - 17:52 3
by Dmitry S. (Intel)
Thu, 12/24/2015 - 02:54
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