Cannot use MPI 2019.0.045 beta
Hi there!I am unable to use Intel MPI library from Parallel Studio XE beta 2019 in Windows.I am trying to compile the following code with...
View ArticleError when opening command prompt with Intel compiler
After installing IPS XE 2019 Beta, I am experiencing a problem with IPS XE 2017 Update 2 when running "Intel 64 Visual Studio 2015 environment". I get error "The application was unable to start...
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MPI_File_get_size, max file limit on windows 10
It seems the max file size returned is limited to a 4 byte unsigned integer, even though MPI_Offset is 8 bytes. The following program fails in MPI_File_get_size for files larger than 4GB. Is there a...
View ArticleMpi_comm_spawn with large number of children hangs at mpi_init
Hello,I have a Fortran 90 mpi program running in on a linux cluster, with intel/2018.0.2 and intelmpi/2018.0.2 compilers, which uses MPI_COMM_SPAWN to spawn 1 child process of a C++ mpi program per...
View ArticleFatal error in PMPI_Type_size: Invalid datatype, error stack:
I am trying to use -trace flag to get .stf output file for traceanalyzer. I run my job using this script:#!/bin/bash -l #PBS -l nodes=2:ppn=40,walltime=00:10:00 #PBS -N GranularGas #PBS -o...
View ArticleCompile Error with 2018.3.222 version mpiicc
Not sure if this is the right place to ask. Forgive me if I should ask someplace else.I tried to compile the EPCC OpenMP/MPI benchmark with Intel Tools 2018.3.222 version, it failed with this...
View ArticleZero-sized .stf file generated from ITAC
I am actually trying to use Intel Trace Analyzer and Collector (ITAC) to profile my MPI code written in Fortran.The code does execute MPI_init at first and MPI_finalize at the end. Following the thread...
View ArticleCommunication layers and eager thresholds
Hello,I am bit confused about the run-time behaviour of one of our codes compiled with Intel ParallelStudio XE 2017.2.050 and run with the corresponding IntelMPI. Depending on the choice of...
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Unable to compile Timer sample (timertest.c, timerperformance.c)
"This example provides functionality to test performance of the VT_timestamp() function.""Ensure that the corresponding compiler, Intel MPI Library, and Intel Trace Analyzer and Collector are already...
View Article..\hydra\pm\pmiserv\pmiserv_cb.c (781): connection to proxy failed
Hi,I am having issues with the Windows Intel MPI version, 5.1. I am trying to run a program that uses the Intel MPI on two Windows 7 computers.This is the error from the mpi program I am running....
View ArticleMPI Linpack from MKL, SSE4_2, turbo, and Skylake: SSE 4.2 threads run at the...
This is a follow-on from this related topic in the MKL Forumhttps://software.intel.com/en-us/forums/intel-math-kernel-library/topic/782951In that situation, there were a couple of version of Intel MPI...
View ArticleBug Report for impi 2017 and 2018 versions on AVX512 niodes
For a specific code, which has a range of calls using impi, there is a probability of about 0.1% of obtaining incorrect results when using impi versions later than 5.0.2.044 on machines with AVX512...
View ArticleMPI error on 2019 Beta version
I am the admin of a small cluster, trying to help a user. The user has been able to compile and run this code on a Cray with Intel XE 2017, update 7.On our local cluster, we only had 2017, update 1....
View ArticleAPI for I_MPI_ADJUST Family
Hi,I am wondering whether Intel MPI provides a C API for changing the algorithm ID of collectives during run-time?As far as I see in the documentation, I can only set the I_MPI_ADJUST* environment...
View ArticleAPI for I_MPI_ADJUST Family
Hi,I would like to know whether the Intel MPI Library also has an API to select the algorithm for a given collective operation inside an MPI program?As far as I understand the documentation, I can only...
View ArticleI_MPI_ADJUST_BCAST: srun vs. mpiexec, performance differences
Hi,I was testing the I_MPI_ADJUST_BCAST flags on our OmniPath cluster (36 nodes). And I was using the OSU microbenchmarks for comparison and testing reasons. 1 Problem 1, mpiexec vs. srun when...
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Intel(R) MPI Library for Windows* OS, Version 2018 Update 2 Build 20180125...
I installed parallel_studio_xe_2018_update2_cluster_edition_setup on Microsoft Windows [Version 10.0.17134.165], and I noticed mpi fails to run on my laptop. I built the simple mpi test (test.f90) that...
View ArticleMPI strtok_r () from /lib64/libc.so.6
Hello,When I use intel mpi mpiexec (which /opt/intel/compilers_and_libraries_2017.7.259/linux/mpi/intel64/bin/mpiexec) with mpi compilervars.sh setup...
View Articlehow to find the firmware version of a Intel QLE7342 HCA
for compatibility with a storage system I need to know the firmware version of an Intel QLE7342 HCA but the command ibstat does not return it.It seems to be a known...
View ArticleExplicit MPI/OpenMP process pinning with Intel MPI
I have an MPI/OpenMP application. I would like to launch e.g. 23 MPI processes on 2 nodes (12 cores per node) where one process (e.g. rank 14) should have 2 OMP threads while all the others have a...
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