MPI program hangs when running on multiple cores over IPoIB (Windows)
Hi,I have an MPI program, which runs fine on a Windows cluster over Ethernet. When I run it using IPoIB and start one processor on each node, there's also no problem. However, when I try to start...
View ArticleFile locking error on Polyserve file system ADIOI_Set_lock
Hi,I'm running an MPI application on a Polyserve file system and I'm getting the following error;File locking failed in ADIOI_Set_lock(fd 11,cmd F_SETLK/6,type F_WRLCK/1,whence 0) with return value...
View ArticleQuestion for CPU utilization while while waiting with MPI_RECV under MS Windows
Is it natural that an MPI process consumes a CPU (up to 100% of its utilization) under MS Windows while waiting with MPI_RECV?I think that it should be in the sleep state before it receives a signal...
View Articleopen_hca: device mlx4_0 not found
[2] DAPL startup(): trying to open default DAPL provider from dat registry: ofa-v2-mlx4_0-1[12] DAPL startup(): trying to open default DAPL provider from dat registry: ofa-v2-mlx4_0-1[16] DAPL...
View Articlempitune generated rdssm, shm:dapl, and shm-dapl files
I was experimenting with mpitune. When it finishes, I found that quite a few new files are created in directory /opt/intel/impi/4.1.0/intel64/etcAmong these files are:*...
View Articlempd daemon prematurely terminating job
Hi everyone,I am a little out of my depth here so bear with me. I am trying to configure mpirun and mpiexec to run software called Materials Studio on a 1 node, 2 processor, 12 core cluster. The...
View ArticleSupport for Accelerators and Co-processors with Intel MPI
Hello, focusing on Intel MPI 4.1.030 or later, I was wondering1) what is the support level of GPU-direct for Nvidia devices? 2) does the MPI stack have support or can take advantage of off-loaded...
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Using MPI IO to read a Finite Element Mesh
Hello Intel,I intend to solve a Finite Element problem using intel MPI and PETSc. I have a conceptual problem with reading a mesh file in parallel with MPI IO.My mesh structure is as follows (3...
View ArticleMPI job submitted with TORQUE does not use InfiniBand if running and start...
Hi there,I am using Intel MPI (4.1.0.024 from ICS 2013.0.028) to run my parallel application (Gromacs 4.6.1 molecular dynamics) on a SGI cluster with CentOS 6.2 and Torque 2.5.12.When I submitt a MPI...
View ArticleUsing ITAC with non Intel MPI stacks
Hello,I was wondering if the latest ITAC trace analyzer can be used with non-Intel MPI stacks which however have been compiled with the Intel compiler set (13.1). If this is possible could someone show...
View ArticleMPI DAPL error in Intel Xeon Phi
I am trying to use MPI in multiple MICs, and I get the DAPL error, The following is the info that I enable the MPI_DEBUG=5wwu12:lips ~/work/mic/mpitest> mpirun -genv...
View ArticleIntelMPI Starvation issue
Hi,l observed an starvation issue in intel-mpi/64/4.0.3/008 when using persistent "wild" recv request, i.e. setting up persistent recv requests with MPI_ANY_SOURCE. Examining several event traces with...
View ArticleIntelMPI Starvation issue
Hi!Looks like there is a starvation issue when using "wild" permanent recv requests, i.e. recv requests created with MPI_Recv_init(...,...,..,MPI_ANY_SOURCE, ... It appears to me that this requests...
View Articlempirun and lsf 8
mpirun -ppn # creates # process per node.It works fine with ssh??--[ 15:05:57 ]--\> $ mpirun -hosts "mn1,mn2" -ppn 2 -np 4 ~/a.outHello world!I'm 0 of 4 on mn1Hello world!I'm 2 of 4 on mn2Hello...
View Articlempdboot -fails
using the following parameters (single node so not mpd.hosts file required)mpdboot -r ssh --verbose"get the following"[admin@localhost ready_GNU]$ mpdboot -r ssh --verboserunning mpdallexit on...
View Articlempitune and regexp
I am attempting to use mpitune for application specific tuning. It works fine using the total runtime, but I cannot get it to work using the -ar regexp option, which if I understood correctly should...
View Articlerunning mpiexec wrapper (windows), issue with credentials
using MPIEXEC wrapper, entered credentials of "administrator" ???launch failed: CreateProcess(C:\Projects\WS_TESTS\ready_INTELC\WS.exe) on 'JOHNG.local.quantec.com' failed, error 487 - Attempt to...
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Failure to launch (ssh becomes zombie)
I have a problem where in about 1-2% of mpiruns (0.1-0.2% of ssh processes launched my mpiexec.hydra) one of the ssh processes fails to launch and becomes a zombie. As a consequence the overall process...
View ArticleIntegration of IntelMPI with LSF v8 and v9
Dear all,I was wondering what is the extend of integration of IntelMPI 4.1 with the LSF batch schedulers v.8 and v.9.For instance, does any of the IntelMPI task launching mechanisms contact the LSF...
View Articlemeasurement cache coherent (mesi) overhead
Searched in google but could not find it. Maybe somebody knows such a benchmark ? It is clear that something that can be measured by PCM counters but would like to have a tool with the ability to...
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