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 Repliessort descending Last Post
Normal topic Can I download Intel Cluster Check?
by Jia Zhen
Mon, 08/16/2010 - 19:05 2
by Dmitry Kuzmin (...
Mon, 08/16/2010 - 19:05
Normal topic Bogus python error from Intel MPI mpdboot on Fedora Core 4
by dave-glover
Fri, 05/19/2006 - 14:37 2
by Andrey Derbunov...
Wed, 10/11/2006 - 15:57
Normal topic Error with Intel MPI
by Sangamesh B.
Tue, 04/29/2014 - 23:12 2
by Shailen S.
Wed, 06/11/2014 - 05:40
Normal topic MPI Bi-band benchmark shows MPI cannot exploit full duplex transmission mode
by seongyun k.
Mon, 01/16/2017 - 16:50 2
by McCalpin, John
Thu, 02/16/2017 - 13:23
Normal topic How to disable "optimization" in Linux?
by watercube
Thu, 06/23/2011 - 23:56 2
by watercube
Thu, 06/23/2011 - 23:56
Normal topic mvapich2-2.2b and intel-15.0.4
by Dominikus H.
Wed, 03/16/2016 - 11:49 2
by Dominikus H.
Wed, 03/16/2016 - 23:35
Normal topic shm and ssm don't work, but rdma does
by jon
Mon, 01/26/2009 - 13:50 2
by jon
Mon, 01/26/2009 - 13:50
Normal topic A Question about NUMA
by Deleted User
Wed, 07/21/2004 - 14:15 2
by Henry Gabb (Intel)
Wed, 07/21/2004 - 22:02
Normal topic [Intel MPI 3.2] Static linking : libclibmpich multiple symbol definitions
by maemarcus
Mon, 02/16/2009 - 06:27 2
by maemarcus
Mon, 02/16/2009 - 06:27
Normal topic Dynamically start MPI processes
by jackyjngwn
Wed, 09/04/2013 - 12:28 2
by jackyjngwn
Thu, 09/05/2013 - 07:09
Normal topic mpdboot error
by Xiaoming Cao
Tue, 01/05/2010 - 10:51 2
by Xiaoming Cao
Tue, 01/05/2010 - 10:51
Normal topic Installing wrappers for using Intel MPI with the PGI compilers
by Raghu R.
Thu, 10/15/2015 - 12:50 2
by James T. (Intel)
Tue, 12/01/2015 - 14:08
Normal topic Rapidbios for Windows XP 64
by ttran55
Wed, 08/06/2008 - 11:21 2
by mimran
Wed, 08/06/2008 - 11:21
Normal topic Problems mpdboot
by carlos.veralive.cl
Wed, 04/15/2009 - 12:39 2
by Gergana S. (Intel)
Wed, 04/15/2009 - 12:39
Normal topic problem to use 4 nodes
by yyxt11a
Thu, 07/15/2010 - 09:10 2
by yyxt11a
Thu, 07/15/2010 - 09:10
Normal topic Intel MPI fails to load libmpi_lustre.so
by tjahns
Tue, 08/04/2015 - 09:13 2
by tjahns
Thu, 08/06/2015 - 02:46
Normal topic MPS_STAT_ENABLE_IDLE=I_MPI_PVAR_IDLE
by Ronald G.
Tue, 12/20/2016 - 12:22 2
by Si, Zhuowei (Intel)
Thu, 12/22/2016 - 16:52
Normal topic Exit Code 128?
by AaronONE
Sun, 05/08/2011 - 22:02 2
by AaronONE
Sun, 05/08/2011 - 22:02
Normal topic OpenMp turncation error
by chat1983
Mon, 09/06/2010 - 10:41 2
by chat1983
Mon, 09/06/2010 - 10:41
Normal topic mpiexe.hydra is defunct
by joe-griffin
Thu, 09/22/2016 - 09:58 2
by Michael Steyer ...
Tue, 09/27/2016 - 05:56
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 ictvars.sh and friends add many times the same path to environment variables
by Guillaume De Nayer
Tue, 07/05/2011 - 02:07 2
by Guillaume De Nayer
Tue, 07/05/2011 - 02:07
Normal topic Two Infiniband networks.
by Adalberto Fazzio
Thu, 01/26/2012 - 12:41 2
by Adalberto Fazzio
Thu, 01/26/2012 - 12:41
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 Why does it take so long to complete MPI_Comm_spawn?
by fgpassos
Fri, 02/21/2014 - 13:05 2
by James T. (Intel)
Thu, 05/08/2014 - 06:10
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For more complete information about compiler optimizations, see our Optimization Notice.