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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: Intel® MPI Library support resources, Intel® Trace Analyzer and Collector support resources, and Product Information

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Topic / Topic startersort descending Post date Replies Last Post
Normal topic MPI_Barrier using 100% CPU
by italo1337
Mon, 10/29/2012 - 19:15 7
by James T. (Intel)
Fri, 11/02/2012 - 06:46
Normal topic MPI_BCAST vs MPI_PUT/MPI_GET
by Pierpaolo M.
Fri, 12/11/2015 - 08:06 1
by Dmitry S. (Intel)
Tue, 12/15/2015 - 06:41
Normal topic MPI_Bcast writing to buffer on root node
by jtepper
Thu, 07/09/2009 - 14:00 4
by jtepper
Thu, 07/09/2009 - 14:00
Normal topic MPI_CART_SHIFT and all neighbours
by diedro
Tue, 09/30/2014 - 02:53 1
by diedro
Wed, 10/01/2014 - 09:20
Hot topic MPI_Comm_Connect crash - no error
by gdirwin
Wed, 06/27/2012 - 11:18 18
by James T. (Intel)
Wed, 08/22/2012 - 13:33
Normal topic MPI_Comm_dup may hang with Intel MPI 4.1
by Adrian I.
Wed, 10/14/2015 - 05:58 1
by James T. (Intel)
Fri, 10/16/2015 - 08:28
Normal topic MPI_Comm_rank , MPI_THREAD_MULTIPLE, and performance
by Christoph B.
Wed, 03/30/2016 - 04:40 4
by Michael Steyer ...
Mon, 04/04/2016 - 04:22
Normal topic MPI_COMM_SPAWN crashing
by okkebas
Wed, 06/03/2015 - 15:20 1
by John D.
Thu, 06/04/2015 - 00:00
Normal topic MPI_Comm_spawn fails if called concurrently
by Nils M.
Thu, 01/16/2014 - 06:07 2
by okkebas
Thu, 06/11/2015 - 14:12
Normal topic MPI_Comm_spawn fails with Intel MPI version 4.0.1.007
by mark_m
Thu, 05/19/2011 - 13:55 1
by Dmitry Kuzmin (...
Wed, 05/25/2011 - 02:30
Normal topic MPI_Comm_spawn seg fault when used with MPI_Info_set
by dlinenbe
Thu, 04/23/2015 - 09:45 2
by okkebas
Mon, 06/15/2015 - 13:40
Normal topic MPI_Comm_spawn strips empty strings from argv
by Ed F.
Wed, 08/12/2015 - 03:44 5
by Steve H. (Intel)
Fri, 09/25/2015 - 14:21
Normal topic Mpi_comm_spawn with large number of children hangs at mpi_init
by Berger, Philippe
Wed, 06/13/2018 - 16:24 0
by Berger, Philippe
Wed, 06/13/2018 - 16:24
Normal topic MPI_File_get_size, max file limit on windows 10
by Michael B.
Thu, 06/07/2018 - 08:55 3
by Tony G.
Mon, 06/11/2018 - 02:59
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 MPI_FILE_SET_VIEW produces a seg fault in Windows 10
by Kevin McGrattan
Tue, 02/02/2016 - 13:24 11
by Kevin McGrattan
Tue, 01/17/2017 - 06:16
Normal topic MPI_File_write_shared problem
by stefano t.
Wed, 04/12/2017 - 15:41 4
by Mark L. (Intel)
Tue, 04/18/2017 - 23:23
Normal topic MPI_Finalize Error Present with mpiicpc.
by Melissa
Fri, 09/19/2014 - 14:23 2
by Melissa
Fri, 09/19/2014 - 14:44
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_Info_set crashes
by Qinghua W.
Wed, 01/18/2017 - 07:27 1
by James T. (Intel)
Tue, 01/31/2017 - 12:56
Normal topic MPI_Init crash after setting I_MPI_STATS
by vasci_
Thu, 01/30/2014 - 16:50 9
by James T. (Intel)
Fri, 02/07/2014 - 11:06
Normal topic MPI_Init_thread or MPI_Init failed in child process
by Yongjun L.
Thu, 03/12/2015 - 13:47 7
by Yongjun L.
Thu, 03/19/2015 - 16:23
Normal topic MPI_ISend bug on Fortran allocatable character
by Nathan W.
Wed, 01/18/2017 - 09:11 1
by James T. (Intel)
Tue, 01/31/2017 - 12:48
Normal topic MPI_Mprobe() makes no progress for internode communicator
by Toby I.
Mon, 10/16/2017 - 09:11 1
by Mikhail Shiryae...
Wed, 02/14/2018 - 11:46
Normal topic mpi_mt problem: DATA_TRANSMISSION_CORRUPTED
by Daniel Hertenstein
Wed, 06/20/2012 - 12:52 1
by Dmitry Kuzmin (...
Thu, 06/21/2012 - 00:05
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