Linux Intel Fortran 2017 Update 1: problem with MPI mod files
Prior to 2017 Update 1, all worked well.After 2017 Update 1, when compiling I get the error: error #7013: This module file was not generated by any release of this compiler. [MPI]which is...
View ArticleInternal MPI error on user but not as root
I'm trying to run a fortran code, but when I run it I'm getting this message:Fatal error in PMPI_Waitall: Other MPI error, error stack: PMPI_Waitall(405)...............: MPI_Waitall(count=5,...
View ArticleMPI crashes with the error message: (it_plfd->revents & POLLERR) == 0
Does any one know what the following error message mean? where should I check?[20] rank = 0, revents = 24, state = 8===================================================================================...
View ArticleiMPI 5.2.1 Omni-Path tuning
For older Intel MPI versions, we were told to set this:export I_MPI_HYDRA_PMI_CONNECT=alltoall. Is this needed with Intel MPI 5.2.1? And is 5.2.1 the latest version? we also set...
View ArticleNo speedup of cluster_sparse_solver beyond 32 cpus
My cluster has 16 cpus/node. My matrix is symmetric positive definite and size is ~2 million by 2 million with ~4 million non-zero entries. My factorization times are:16 cpus - 84 seconds32 cpus - 44...
View Articleintel MPI and oversubscribing
hello, for launching test base we use previously openMPI with theses options in order to position oversubcribing The objective was to have the tests not troubling each others and have a quickly time...
View Articlehfi1 driver version confusion
I previously installed IntelOPA-IFS.RHEL72-x86_64.10.1.1.0.9 to set up an Omni-Path cluster. I noticed that this version of the Omni-Path software includes hfi1-0.11.3.10.0_327.el7.x86_64-248.src.rpm...
View ArticleHPCG- Assertion nxf%2==0 failed.
Dear All, I have compiled HPCG benchmark with intel 2016 parallel studio XE for (2x)Xeon(R) CPU E5-2680 (RHEL 6.6). I have 64 GB of memory installed on my machine. Also, my hpcg.dat file is :HPCG...
View Articleefficent methood for hybrid OpenMP and MPI
Hi, I have a question about an efficient method for extending well implemented scientific code written using C++ and OpenMP, to MPI layer.This code is architecture-aware implementation (ccNuma,...
View ArticleIntel MPI real-time performance problem
Hello: In my case ,i found sometimes MPI_Gather() take more than 5000-40000 cpu crcle，but normally MPI_Gather() only take about 2000 cpu crcle. I can confirm that there is no timer interrupt or other...
View ArticlePinning of processes spawned with MPI_Comm_spawn
(somehow, my previous post 700216 was initially in a draft state, then got published, but didn't appear on the mailing list)Hi,the I_MPI_PIN_* variables can be used to set to pretty much any cpu-mask...
View ArticleEnvironment variables defined by intel mpirun?
Hello Forum Gurus,Where can I find a list of environment variables defined by Intel mpirun that contain the rank and process information, analogous to OMP_COMM_WORLD_SIZE, OMP_COMM_WORLD_RANK, etc....
View Articlemodify environment variable from MPICH
HiI have some scripts for runing DART(a meteorology software) with intel compiler and intel mpi library. These scripts were used on cray and MPICH. The environment variable for MPICH setting are : 26...
View ArticleProblem in transfer from SMPD process manager to mpiexec MPI process manager
Since Intel® MPI Library 2017 the SMPD process manager was removed. I have no problems in the use the SMPD process manager that was available in the previous Intel® MPI 5.1.3 version of the MPI...
View ArticleReference manual for Intel MPI library routines?
Dear Sirs,I have now searched for about 30min unsuccessfully for the description of the Intel MPI library routines, including in particular, how to call them from a program targeted for the intel...
View ArticleIntel Paralel Studio xe 2017 - Cluster Edition Installation problem
I got Intel Parallel Studio trial version to run on my linux nodes (I have two nodes currently). During the installation I am facing two issues.1. It says "Login Failed - due to ssh issue"I have ssh...
View Articlemaximum file size issues (bug??).
Hi, all. Just after updating to Intel Parallel Studio XE 2017, I've met something wired. If I tried to copy a file from A to B, when the size of A is approximately 6GB, but B returns 2GB (4byte...
View ArticleIntel Premier Support Legacy Status Update
See: Intel Premier Support Legacy Status Update
View ArticleMPS_STAT_ENABLE_IDLE=I_MPI_PVAR_IDLE
When I source psxevars.csh intel64 I see this env var set thusly:MPS_STAT_ENABLE_IDLE=I_MPI_PVAR_IDLEI cannot find MPS_STAT_ENABLE_IDLE nor I_MPI_PVAR_IDLE documentation anywhere on the web. What is...
View Articlempirun vs mpiexec
mpiexec is a direct link to mpiexec.hydrampirun is a wrapper script that determines your batch system and simplifies the launch for the user, but eventually also calls mpiexec.hydraOur site is...
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