Trying to use I_MPI_PIN_DOMAIN=socket
I'm running on an IBM cluster with nodes that have dual socket Ivy Bridge processors and 2 Nvidia K40 Tesla cards. I'm trying to run with 4 MPI ranks using Intel MPI 5 Update 2 with a single MPI rank...
View Articlempd failed to boot
Hi all,When I try to run mpdboot on single node (RHEL7), but I got error message:[root@hpc-test intel64]# mpd &[1] 3527[root@hpc-test intel64]# mpd_uncaught_except_tb handling: <type...
View ArticleProblem lauching mpiexec
Hello,I do not succeed in lauching mpiexec. I'm working with Intel Fortran Compiler 11.1, and Intel parallel studio XE 2015, on windows 7.In fact I'm using mpiexec to launch a hydraulic simulation with...
View ArticleIntel MPI, DAPL and libdaplomcm
Recently, we upgraded our system and have installed Mellanox OFED 2.2-1 in order to support native MPI calls between Xeon Phis. Our system is a mixture of non-Phi nodes and Phi nodes.In the course of...
View ArticleIntel MPI
Hello.I am developing fault tolerant communicaction layer (MPI-like). So this layer is slow now. Can I learn something about internal Intel MPI architecture to understand basic principles of big data...
View ArticleMPI 5.0.2.044 Library Link Error
Hi, Everyone,Under Linux OS, I built my MPI application with Intel MPI 5.0.2.044. There is no error in compiling but there are following error in linking MPI library.I am using the Intel MPI's...
View ArticleLicense File Activation
I just received my serial number of single user Intel Cluster Studio 2015 (Linux). I had done product registration and generated a license file. However, the license file generation page didn't show...
View Articlempivars.sh to build path automatically
Looks like on Linux the intel MPI runtime hardcodes the path of mpivars.sh, eg: I_MPI_ROOT=/opt/intel/impi/4.1.3.049; export I_MPI_ROOTOn windows on the other hand the path is dynamically generated:...
View ArticleBug Report : MPI_IRECV invalid tag problem
Hi, there,In MPI_5.0.3, the MPI_TAG_UB is set to be 1681915906. But internally, the upper bound is 2^29 = 536870912, as tested out by the code attached.Same code will run just fine in MPI...
View ArticleIntel MPI 3.2.2.006 and Supported OS and number of cores per machine
Has intel made a statement as to the last know good version of Red Hat that supports Intel MPI 3.2.2.006. We have a new cluster with 20 cores/per node and have observed a fortran system call failing...
View Articleproblem when multiple MPI versions installed
Dear all,I have a problem to launch processes when multiple MPI versions installed. The processes work before I installed latest MPI 5.0.3.048:C:\Program Files (x86)\Intel\MPI\4.1.3.047>mpiexec...
View ArticleHow many processes we can run run HPL on with Intel MPI ?
If we are using evaluation version of Intel MPI/compiler/MKL (cluster tools) how many cores/processes we can run HPL on?
View Articleproblem with the x86_64-k1om-linux-ld: warning
Hi dear staff,I try to compile the bwa (https://github.com/intel-mic/bwa-aln-xeon-phi-0.5.10) on xeon host for xeon phi, but I get some warnings like this:x86_64-k1om-linux-ld: warning: libimf.so,...
View Articlempi_type_vector three dimensional
Dear all,I have a three dimensional array AA(:,:,:) and I would like to sent it, or at least part of it from one CPU to another.The idea is to combine MPI_TYPE_VECTOR. This is my program. I do not...
View ArticleCannot use jemalloc with IntelMPI
Hi,I've tried to bench several memory allocators on Linux (64-bit) such as ptmalloc2, tcmalloc and jemalloc with an application linked against IntelMPI (4.1.3.049).Launching any application linked with...
View ArticleIntel MPI 5.0.3.048 and I_MPI_EXTRA_FILESYSTEM: How to tell it's on?
All,I hope the Intel MPI experts here can help me out. Intel MPI 5.0.3.048 was recently installed on our cluster, a cluster that uses a GPFS filesystem. Looking at the release notes I saw that...
View Articleneed to type "Enter" ?
Hi, Everyone,I am running my hybrid MPI/OpenMP jobs on 3-nodes Infiniband PCs Linux cluster. each node has one MPI process that has 15 OpenMP threads. This means my job runs with 3 MPI processes and...
View ArticleMPI_Init_thread or MPI_Init failed in child process
I have two programs, A and B. They all are developed with MPI. A will call B. If I directly start A and call B, every thing is OK.If I start A with mpiexec, like mpiexec -localonly 2 A.exe, and call B....
View ArticlePerformance issues of Intel MPI 5.0.2.044 on Windows 7 SP 1 with 2x18 cores...
Dear support team,I have a question about a performance difference between Windows 7 SP 1 and RHEL 6.5.The situation is as follows: The hardware is a DELL precision rack 7910, see link for exact...
View ArticleProfiling a complex MPI Application : CESM (Community Earth System Model)
Hello. CESM is a complex MPI climate model which is a highly parallel application. I am looking for ways to profile CESM runs. The default profiler provides profiling data for only a few routines. I...
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