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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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 starter Post date Replies Last Post
Normal topic Using new unified installer for Cluster Tools 3.2.2 - Slow
by Ron Reeder
Tue, 11/17/2009 - 12:41 2
by Dmitry Kuzmin (...
Tue, 11/17/2009 - 12:41
Normal topic Programming model for Cluster with dual-cored nodes
by Stanislav Fyodorov
Mon, 11/13/2006 - 22:25 0
by Stanislav Fyodorov
Mon, 11/13/2006 - 22:25
Normal topic Problems with 512 cores or more.
by Adalberto Fazzio
Sun, 01/29/2012 - 14:21 1
by Dmitry Kuzmin (...
Mon, 01/30/2012 - 21:58
Normal topic MPI_ALLGATHER error parallelizing code
by ignacio82
Wed, 07/31/2013 - 08:18 12
by ignacio82
Thu, 08/01/2013 - 06:04
Normal topic Debugging problems with mpiexec.hydra
by David G.
Mon, 06/13/2016 - 17:17 1
by Tullos, James A
Thu, 06/23/2016 - 12:03
Normal topic Problem with the use of Intel MPI DAPL fabric
by dingjun.chencmgl.ca
Wed, 01/08/2014 - 07:10 5
by Tullos, James A
Wed, 01/22/2014 - 11:49
Normal topic Intel MPI suddenly exited
by James B.
Thu, 06/04/2015 - 11:30 1
by Artem R. (Intel)
Fri, 07/17/2015 - 07:39
Normal topic Issues with the I_MPI_HYDRA_BOOTSTRAP* envs, Intel MPI 4.0.1, SLES11 SP1
by Christian Gugge...
Mon, 11/15/2010 - 02:00 2
by Christian Gugge...
Mon, 11/15/2010 - 06:03
Normal topic Cluster Studio XE questions
by Dave A. from Li...
Fri, 06/08/2012 - 05:40 3
by Dave A. from Li...
Fri, 06/08/2012 - 09:23
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 Fortran code aborts beyond 108 nodes
by Samrat R.
Wed, 10/15/2014 - 03:55 0
by Samrat R.
Wed, 10/15/2014 - 03:55
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 Tullos, James A
Wed, 02/03/2016 - 07:55
Normal topic MPI/IB Jobstart hanging
by bwiegers
Wed, 08/26/2009 - 01:05 4
by bwiegers
Wed, 08/26/2009 - 01:05
Normal topic Questions on Intel MPI and Intel Cluster MKL
by Community Admin
Fri, 11/25/2005 - 03:00 1
by Henry Gabb (Intel)
Mon, 11/28/2005 - 20:17
Normal topic MPI_BARRIER not finishing
by Jesper Carlson
Thu, 09/15/2011 - 05:59 4
by Dmitry Kuzmin (...
Thu, 09/15/2011 - 06:04
Normal topic Can an mpi program terminate automatically whenever one of its processes crashes?
by Tofu
Fri, 04/19/2013 - 17:39 7
by Tofu
Thu, 04/25/2013 - 07:25
Normal topic Installing an older version of Intel Parallel Studio XE
by Yocheved G.
Thu, 03/31/2016 - 01:51 9
by Michael Steyer ...
Wed, 04/06/2016 - 06:58
Normal topic install MPI LIbrary on Ubuntu 12.04
by Michal Kvasnicka
Fri, 09/06/2013 - 00:46 10
by Tullos, James A
Mon, 06/02/2014 - 08:19
Normal topic How many processes we can run run HPL on with Intel MPI ?
by Nihir Parikh
Wed, 03/04/2015 - 16:35 6
by Nihir Parikh
Mon, 03/09/2015 - 10:54
Normal topic Using Intel MPI on Windows HPC cluster manager
by gert.massa
Wed, 06/09/2010 - 01:51 2
by gert.massa
Wed, 06/09/2010 - 01:51
Normal topic Error: A license for FClusOMPL is not available
by astronomar
Fri, 10/10/2008 - 04:09 3
by Andrey Derbunov...
Mon, 10/13/2008 - 23:53
Normal topic Problem with intelmpi 4.0, process desapear, will be zombies or just finish
by jperaltac
Thu, 07/29/2010 - 09:36 4
by jperaltac
Thu, 07/29/2010 - 09:36
Normal topic Maximun number of MPI communicator
by Nguyen, Loc Q
Fri, 03/09/2012 - 13:00 2
by Nguyen, Loc Q
Fri, 03/09/2012 - 13:00
Normal topic SLURM and I_MPI_JOB_RESPECT_PROCESS_PLACEMENT
by Ronald G.
Fri, 11/04/2016 - 10:23 1
by Michael Steyer ...
Wed, 11/09/2016 - 08:15
Normal topic New Intel® Xeon Phi™ Cluster Integration webinar
by Gergana S. (Intel)
Wed, 07/23/2014 - 13:47 0
by Gergana S. (Intel)
Wed, 07/23/2014 - 13:47
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