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 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 MPI process interactive start-up and fault tolerance
by Jimmy82
Tue, 12/23/2008 - 01:07 1
by Andrey Derbunov...
Tue, 12/23/2008 - 01:07
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 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
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
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 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 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 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 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 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 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 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 MPI doesn't work (Fatal error in MPI_Init)
by Ivan I.
Wed, 04/02/2014 - 09:12 1
by James T. (Intel)
Mon, 04/07/2014 - 11:52
Normal topic MPI peformance snapshot
by Pravesh G.
Mon, 08/10/2015 - 04:33 6
by Pravesh G.
Mon, 08/10/2015 - 05:28
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 mp_linpack / mpi_exec dapl_cma_active: ARP_ERR, retries(15) ...
by pmonday
Thu, 05/19/2011 - 15:45 3
by pmonday
Fri, 05/20/2011 - 09:58
Normal topic Is it possible to do static load balancing dynamically?
by suzanne
Mon, 11/08/2004 - 17:02 0
by suzanne
Mon, 11/08/2004 - 17:02
Normal topic MPI/IB Jobstart hanging
by bwiegers
Wed, 08/26/2009 - 01:05 4
by bwiegers
Wed, 08/26/2009 - 01:05
Hot topic mpiexec hangs for 5 seconds when launching notepad
by adambruss
Fri, 01/25/2013 - 09:04 22
by adambruss
Fri, 02/15/2013 - 11:43
Closed topic Invitation to join the Intel® Software Development Tools 2015 Beta program
by Gergana S. (Intel)
Mon, 04/21/2014 - 13:39 0
by Gergana S. (Intel)
Mon, 04/21/2014 - 13:39
Normal topic Can each thread on Xeon Phi be given private data areas in the offload model
by Anders S.
Mon, 08/24/2015 - 06:48 1
by Steve H. (Intel)
Wed, 08/26/2015 - 10:25
Normal topic hfi1 driver version confusion
by Jason L.
Thu, 11/17/2016 - 11:51 0
by Jason L.
Thu, 11/17/2016 - 11:51
Normal topic Suspend an MPI job
by jackyjngwn
Wed, 06/15/2011 - 13:35 7
by Dmitry Kuzmin (...
Mon, 07/18/2011 - 00:12
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