How to select TCP/IP as fabric at runtime with Intel 2019 MPI
Hello,My apologies: I posted this earlier within another thread, but afterwards decided to submit it as a new query.I have been struggling for a couple days to figure out the very basic setting of how...
View ArticleIntel mpirun error - AI workload
Hi, I tried to run one of my workload model for training on a CentOs cluster for MPI analysis. Please find below the command used and the error is displayed below. Request your help in resolving the...
View ArticleI_MPI_STATS removed
Hi all, I just learned that gathering statistics using I_MPI_STATS is not supported by version 2019 of Intel MPI (https://software.intel.com/en-us/articles/intel-mpi-library-2019-beta-re...,...
View ArticleAWS, Intel mpi and efa
Im having some issues with the latest Intel mpi and efa on AWS instances.I installed the Intel MPI from the install script found elsewhere in the support...
View Articleinstalling parallel_studio_xe_2019_cluster_edition in a cluster for a non...
Dear Intel support team,Please help for below points:Package "parallel_studio_xe_2019_cluster_edition.tgz" has been downloaded from the Intel student's account of Intel website. This package needs to...
View ArticleMPI hangs with multiple processes on same node - Intel AI DevCloud
Hello,I am using Intel AI DevCloud to run a Deep Reinforcement Learning training, using mpi4py to use several agents to collect data at the same time.In my framework, I run N jobs (in different nodes)...
View ArticleBad file descriptor for 80+ ranks on single host
Hi,I am unable to launch a simple MPI application using more than 80 processes on a single host using Intel MPI 2018 update 1 and PBS Pro as job scheduler.The job is submitted with a script...
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error LNK2001: unresolved external symbol
Hi, I am using the fortran90 with mpi. I followed the steps on this website to link the mpi with visual studio 2017. But it didn't work. It shows error LNK2001 to every MPI commands. Like error...
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Trouble installing Intel MPI in a docker container
I've been trying to get Intel MPI installed on top of a windowsservercore base image. The MPI installer fails during installation of studio_common_libs_p* sub-installation.I've attached the logs, but...
View ArticleMPI shared communication with slided access
Hello I have two questions regarding using mpi shared memory communication 1) If I have a MPI rank which is the only one that writes to a window, is it necessary to employ mpi_win_lock, and...
View ArticleIntel MPI 2019 with Mellanox ConnectX-5 / provider=ofi_rxm
Hi, we are currently standing up a new cluster with Mellanox ConnectX-5 adapters. I have found that using openMPI, mvapich2, and intel2018-mpi, we can run MPI jobs on all 960 cores in the cluster,...
View ArticleFortran+MPI program can't run on OPA when using variable format expressions
The code: use mpi implicit none real*8 send_data(10) integer ierr,mynode,numnodes,status(10) integer k send_data=0.0d0 call mpi_init(ierr) call mpi_comm_rank(MPI_Comm_World, mynode, ierr) call...
View Articleusing MPI_MODE_EXCL in MPI_File_open
When trying to open file with MPI_File_open using MPI_MODE_EXCL, error Should be return if creating file that already exists. But, is the file opened eventually and a valid file handle returned?thanks
View ArticleFloating point exception mpiexec.hydra "$@" 0
Hi everyone,I struggle to make Intel® Parallel Studio XE 2019 to run this simple hello_mpi.f90:program hello_mpi implicit none include 'mpif.h' integer :: rank, size, ierror, tag integer ::...
View ArticleFloating Point Exception Overflow and OpenMPI equiv tunning?
I am working with star ccm+ 2019.1.1 Build 14.02.012CentOS 7.6 kernel 3.10.0-957.21.3.el7.x86_64Intel MPI Version 2018 Update 5 Build 20190404 (this is version shipped with star ccm+)Cisco UCS cluster...
View ArticleIntel MPI questions
So I've been trying to unconfuse myself about the various fabrics/transports supported by intel mpi 2018/19 as used for the `I_MPI_FABRICS` variable and related ones. I have a few questions I'm hoping...
View ArticleERROR: ld.so: object ''libVT.so' from LD_PRELOAD cannot be preloaded: ignored.
Dear all,I am using Intel Parallel Studio XE 2017.6 in order to trace a HYBRID OPENMP/MPI application.I use:```mpiexec.hydra -trace "libVT.so libmpi.so" python ....py args```and although the...
View ArticlePerformance difference running IMB-MPI1 with mpirun -PSM2 and -OFI
Hi, I found that the performance difference is significant when runningI_MPI_DEBUG=1 mpirun -PSM2 -host node1 -n 1 ./IMB-MPI1 Sendrecv : -host node2 -n 1 ./IMB-MPI1 ...... #bytes #repetitions...
View Articlesupport for Fortran USE MPI_F08 on Windows OS
Does Intel 19 cluster edition for Windows support the use of USE MPI_F08 in Fortran applications? When I try to compile code with this module on Windows with Intel 19.4 compilers, I get the following...
View ArticleIMB-MPI1 pingpong tested failed with 4M message size
Hi All, I have two Dell R815 server with 4 AMD opteron 6380 (16 cores each) connected directly by two infiniband cards. I have trouble running the IMB-MPI1 test even on a single node:mpirun -n 2 -genv...
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