Error Loading libmpifort.so.12
Hello,I am trying to run my executable (PDES Simulator - ROSS) on a slurm cluster and I add the module mpich/ge/gcc/64/3.2rc2 for mpi support.But I got "while loading shared libraries:...
View ArticleClik here to view.
Cannot correctly write to a file with MPI-IO and indexed type
Hello,I am trying to write in a file using MPI-IO, with an indexed type used to set a view of the file (see code sample attached). The program launch but I do not get the result I was expecting.When I...
View Articlepeak floating point operations of Intel Xeon E5345
I want to find the peak floating point operations of Intel Xeon E5345 prcessor. i searched about that and found it 9.332 GFlop/s . I want to make sure . There is a formula(please correct me if I am...
View ArticleTimers of PCH
Hi,As far as I know, Intel PCH provides some high resolution timers.I want to know how many timers are provide and how to use them under Linux.Thank you.
View Articleproblems using PSM2 "Trying to connect to a HFI (subnet id - 0)on a different...
hello,I installed the Omni-path driver ( IntelOPA-Basic.RHEL74-x86_64.10.6.1.0.2.tgz ) on two identical KNL/F servers with Centos ( CentOS Linux release 7.4.1708 (Core) )I executed the MPI Benchmark...
View Articlempi calling external mpi program failed
I tried to use MPI to parallel running external command line program. So I write `run.f90` program run use mpi implicit none integer::num_process,rank,ierr; call MPI_Init(ierr); call...
View ArticlePerformance issues with Omni Path
Hi all,I installed two Omni Path Fabric cards on two Xeon Servers. Following the instructions present in this web site: https://software.intel.com/en-us/articles/using-intel-omni-path-architec... The...
View Articleproblem with intel mpi 2019
When I compile test program with last beta version of intel mpi_2019 I receive error. Anybody have same problem?$ mpiicc -o test test.c ld: warning: libfabric.so.1, needed by...
View ArticleHow to get the exit code from mpiexec.hydra
When running a workload on multiple nodes with mpiexec.hydra, the entire run aborts when even one node fails/shutsdown. I want to detect if the failure is due to node disconnection or something else....
View ArticlePython MPI4PY ISSUE
Hi All, I'm HPC Admin. I have installed MPI4PY Library on clusters by .tar and Pip2.7(python2.7). After that, we are facing the issue like a 256cores job (n=4,ppn=64) is not running on nodes. It...
View ArticleOPA driver for Skylake running Ubuntu 16
HiCan you please refer me to the BKMs on getting Intel Omni-Path Fabric (OPA) driver installed and setup on Ubuntu 16? I have a Skylake processor (Gold 6148F CPU @ 2.40GHz). Thanks,Dave
View ArticleITAC error during trace collection
Hi all,I am trying to collect tracing info for my Intel MPI job. For relatively small number of processes (around 300) the run hangs or I receive the following error message:UCM connect: REQ RETRIES...
View ArticleUsing Intel Trace analyzer with windows and VS2015
Hi,I've been directed here from the Intel® Visual Fortran Compiler for Windows forumI'm trying to use Intel Trace analyzer with windows and VS2015 on my CFD code.In my code, I have many F90 files but...
View ArticlePinning processes to specific cores?
I'm wondering if Intel MPI has the facility to allow me to pin processes, not only to specific nodes within my cluster, but to specific cores within those nodes. With Open MPI, I can set up a rankfile...
View ArticleCross Platform MPI start failed
Hi Intel Engineers,I met some problems when setting up a cross platform MPI environment.Following the Intelmpi-2018-developer-guide-linux/windows，two machines were setted up, one is CentOS and anathor...
View ArticleUnable to generate trace file (*.stf)
Hello all,I tried to generate trace file for performance profiling the code. I am testing in stampede2 with the module listsCurrently Loaded Modules: 1) git/2.9.0 3) xalt/1.7.7 5) intel/17.0.4...
View ArticleWhat's the expected slowdown for -gdb on MPI app?
I'm encountering a repeatable memory error that goes away as I increase the number of processes. I'm thinking that there is some static allocation or other memory limit that is being hit, but having...
View ArticleBenchmark With Broadwell
Hi Team,Need help to achieve the optimal result:E5-2697 v4 @ 2.30GHz AVX 2.00 GHz2.3 * 36 * 16 = 1324 ( TDP ) 2.0 * 36 * 16 = 1152 ( AVX )Intel(R) MPI Library for Linux* OS, Version 2017 Update 3...
View ArticleTrace Collector with ILP64 MKL and MPI libraries
Hi,Is it possible to use the Intel Trace Collector (on linux) with the ILP64 MKL and MPI libraries? I see on the MPI page...
View ArticleIntel MPI segmentation fault bug
Hi I have come across a bug in Intel MPI when testing in a docker container with no numa support. It appears that the case of no numa support is not being handled correctly. More details below...
View Article