Heterogeneous setup help
I am trying to setup a heterogeneous MPI configuration and need some assistance. I've followed the instructions in the Intel(R) MPI Library for Windows* OS Developer Guide, section 5.5.This is what I...
View ArticleIntel MPI on 2 Windows 7 machines
I have install Intel MPI 5.1.0.031 on two different Windows 7 machines with ip addresses, 192.168.2.144 and 192.168.2.128. I am unable to launch an MPI process across these two machines using the...
View ArticleMPIICC not installed with MPI Library
Hello,So I downloaded the Intel MPI Library 2017 for Linux, and after it finished installing, I noticed mpiic is not there, although installation finished successfully. Shouldn't it be? I have from...
View ArticleCluster two computers for Intel MPI
Hi there, I have two identical computers. Each with 4-dual cores and Intel Parallel Studio Cluster edition installed. I have a Fortran code, which on a single machine takes 9 hours to run if not...
View ArticleMPI library crash when spawning > 20 processes using MPI_COMM_SPAWN
I'm currently running MPI (5.03.048) on Windows 10 (64 bit) 8 core machine with 32GB RAM. I am using MPI_COMM_SPAWN from a C++ app (that is launched using mpiexec.exe -localonly -n 1) to spawn N MPI...
View ArticleMPI_Parallel
Hello, When I run the VASP calculation software, the calculation job was "okay" during one day. After that, some jobs show the following error:[mpiexec@node46.chess.com] HYD_pmcd_pmiserv_send_signal...
View ArticleInstalling Quantum Espresso with Intel Parallel Studio and OpenMPI
Hi,I install the latest version of the Intel Parallel Studio and OpenMPI-2.0.1. Now when I try to install the quantum espresso I saw the following lines.ld: warning: libifport.so.5, needed by...
View Articlempiexec run on different os
Hello,I am developing a program using mpi routine with intel parallel studio xe 2013After compile, I want to distribute the developed software to other people who dont have cluster studio.Therefore, I...
View ArticlePinning of processes spawned with MPI_Comm_spawn
Hi,the I_MPI_PIN_* variables can be used to set to pretty much any cpu-mask for the MPI-ranks that are used. Unfortunately, the Intel MPI library doesn't set the mask correctly for processes that are...
View ArticleSilent installation of Intel MPI for Windows
Hi,I was trying to install Intel MPI for Windows (w_mpi-rt_p_5.1.3.180.exe) silently on the compute nodes of a Windows HPC cluster. I followed the instruction here:...
View ArticleIntel® MPI with C#
Hi,I was wondering if you had any recommended way of using Intel MPI with C#?The only resource that I found written by Intel was here. Which is a short tutorial that describes"...how you reuse the...
View ArticleThe matched MPI Send/Recv pairs are mixed up
Hi,Each MPI process has dedicated thread for each send/receive operation (I use MPI_Send/MPI_Recv calls). Because the data size is too big, I made each thread iterate over a for loop sending fixed...
View ArticleIs there any performance or space overheads for using 'tag' in MPI?
Hi, I wonder if there can be any performance or space overheads for using 'tag' in MPI.It would depend on how it is implemented, but I guess if it used a sort of hash map and keep (possible) multiple...
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 ArticleIntel Inspector: Uninitialized memory access for range loop
Hi all,I use following Software:* Microsoft Windows * Intel® Parallel Studio XE Composer Edition for C++ Windows* 2016 * Intel Inspector Xe 2016Following codes cause Uninitialized memory...
View ArticleNew tutorial available on analyzing hybrid OpenMP+MPI applications
Discover how to use Intel® Parallel Studio to tune hybrid applications by reviewing MPI utilization inefficiencies and balancing thread load levels.This tutorial uses the sample heart_demo and guides...
View ArticleCompiler Error "Segmentation violation signal raised."
I was using compiler version (compilers_and_libraries_2016.1.150), and I updated into (compilers_and_libraries_2017.0.098).After the update, I cannot compile my application program due to the...
View ArticleReceived data has zeros...
I have a few mega bytes of data and fixed size buffer (4MB).So the sender thread iterates sending (MPI_Send) a fixed sized data at a time until it sends all the data. The receiver knows how many bytes...
View ArticleSLURM and I_MPI_JOB_RESPECT_PROCESS_PLACEMENT
I was having issues with Intel MPI 5.x (5.2.1 and older) not respecting -ppn or -perhost. Searching this forum I found this...
View ArticleInternal MPI error! cannot read from remote process
On my Dell laptop (E7440 with an Intel i7), mpirun on my program terminates with the following:Fatal error in MPI_Recv: Other MPI error, error stack: MPI_Recv(224)...................:...
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