Intel MPI reduce memory comsumption
Dear all,I am currently looking into the problem of memory consumption for all-to-all based MPI software.I far as I understand, for releases before Intel MPI 2017, we could use the DAPL_UD mode through...
View ArticleHPC Cluster HPL test error
Hello,When I want to test my HPC system in which has 33 node has 24 core each one in total 792 core and 370GB RAM for each node but I get following error as I secondly run mpiexec -f hosts2 -n 792...
View ArticleRequest for Intel-mpi 2018.5 packages into yum/apt repository
Hi,I need packages relating to Intel-mpi-rt-2018.5. however, I can find upto update 4 packages only.Could you upload them to repo "yum.repos.intel.com/mpi" ? TCE Level: Level 3TCE Open Date: Sunday,...
View ArticleIssue with MPI 2019U6 and MLX provider
HiWe have two clusters that are almost identical except that one is now running Mellanox OFED 4.6 and the other 4.5.With MPI 2019U6 from Studio 2020 distribution, one cluster (4.5) works OK, the other...
View ArticleWhy does my Octopus 9.1's show an extremely different performance with...
I am compiling a scientific program package called Octopus 9.1 on a cluster by specifying BLAS library with-L${MKL_DIR} -Wl,-Bstatic -Wl,--start-group -lmkl_intel_lp64 -lmkl_sequential -lmkl_core...
View Articlesignificance/meaning of zero byte MPI messages (APS message profiling data)
Hi,I recently tried the APS tool to capture the message details (size and amount) for the WRF application on the intel 8280 (opa)Here is the data -...
View ArticleIntel MPI Library for Linux Ver. 2017 (supported OS's)
Hi, Does anyone know the supported OS's for Intel MPI Library for Linux Ver. 2017? Specifically in relation to Ubuntu.I'm also looking to see if I can get a copy of Intel MPI Library for Linux Ver....
View ArticleMPI Problem --- no mpiicc
I use CentOS.I have installed MPI Library by Intel® Parallel Studio XE and added . /hpl/intel/compilers_and_libraries_2019.5.281/linux/mpi/intel64/bin/mpivars.sh in .bashrcBut I cannot find...
View ArticleDownloaded update 6 but MPI1 command said it is Update 5
I installed "l_mpi_2019.6.166.tgz", 2019 Update 6 from the website, and found the command still shows below banner. Can you confirm I have the correct copy for update 6?md5sum:...
View ArticleCan you post 2019 Update 6 Rel note?
https://software.intel.com/articles/intel-mpi-library-release-notes-linu...I think it is supposed to be there.TCE Open Date: Tuesday, January 14, 2020 - 16:23
View Articlempi 2019.5 mpiexec -hosts issues all processes to the first host
2019.1 mpiexec worked as expected - mpiexec -np 2 -hosts A,B P issued one process P on each of hosts A and B.2019.5 mpiexec -np 2 -hosts A,B -P issues two P's on A.It's maddening because this is not...
View Article# of Processes and queue pairs when using IntelMPI with libibverbs
Hi, I am looking to run IntelMPI over a RDMA capable fabric. I was wondering what is the usual way that this setup runs (since I am still acquiring IntelMPI). 1. Does IntelMPI run with one process per...
View ArticleIntelMPI Intel19 update 4 error
Dear All Good afternoon I successfully installed intel parallel studio 19 update 4 on my cluster based on Ubuntu 18.04 LTS The cluster is composed by 4 nodes: a master and 3 other nodes where I run my...
View ArticleProcess tracing
Hello,I am going to test the difference between mpirun and mpiexec on LSF.The following manual says that mpirun is related to...
View Articleintel mpi 2019.5 - is libfabric extensible, or can another libfabric library...
I'm working on a proof-of-concept for a libfabric provider for a piece of hardware not currently supported. I find that Intel MPI does not appear to accept a new provider library for a "fred" provider...
View ArticleInvalid communicator issue with PMPI_Allreduce
Operating system and version: CentOS Linux release 7.5.1804Intel MPI version: 2019.5.281Compiler and version: 19.0.5.281Fabric: Mellanox Technologies MT27500Libfabric version: 1.7.2Would anyone be able...
View Articleit is not using two IB’s and the stats.ipm file is empty
Hi,i tried this one CFX job but it is not using two IB’s , i used following setting, export I_MPI_TMPDIR=/scratch/pwc/asd0392/tmpexport I_MPI_DEBUG=5export I_MPI_FABRICS=shm:ofaexport...
View ArticleIMPI Creates Large Files on Startup
Operating system and version: CentOS Linux release 7.5.1804Intel MPI version: 2019.5.281Compiler and version: 19.0.5.281Fabric: Mellanox Technologies MT27500Libfabric version: 1.7.2I have a quick...
View ArticleClik here to view.
one-sided communication and shared memory (single process)
Hello all,I have come across the following problem with one-sided communication using MPI_ACCUMULATE. The versions are:ifort (IFORT) 19.0.3.199 20190206Intel(R) MPI Library for Linux* OS, Version 2019...
View ArticleError importing shell functions
We use Intel MPI by default on our clusters, and we've recently run into a problem which, I think, is due to some problem with the way it passes environment variables through to the tasks.If you export...
View Article