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Join the Intel® Parallel Studio XE 2018 Beta program

We would like to invite you to participate in the Intel® Parallel Studio XE 2018 Beta program. In this beta test, you will gain early access to new features and analysis techniques. Try them out, tell...

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When I_MPI_FABRICS=shm, the size of MPI_Bcast can't larger than 64kb

I run MPI with a single workstation( 2 x E5 2690).When I export I_MPI_FABRICS=shm, the size of MPI_Bcast can't larger than 64kb.But when I export I_MPI_FABRICS={shm,tcp}, everything is ok.Are there...

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IMB and --input, 2017.0.2

Hi,   I've been running IMB with the following command p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px 'Andale Mono'; color: #ffffff; background-color: #2c67c8} span.s1 {font-variant-ligatures:...

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PSM2_MQ_RECVREQS_MAX limit reached

Hi,one of our user report us a problem with MPI_Gatherv of intelmpi 2017.The problem is related to the maximum number of irecv requests in flight.To reproduce the problem we set up a test case and run...

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“make check” fails when compiling parallel HDF5 with intel compilers!

Greetings,I have problem in "make check" of compiling parallel HDF5 using Intel Compilers on CentOS 6.5 64bit. I exactly follow the procedure described in this page but still get this error:Testing...

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Executing a BAT sript with white space in its path + passing arguments with...

Dear All, We recently switched from mpich2 to intel mpi. I have problems starting a bat script when the path to the script and the argument passed to the script both contain whitespaces:...

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MPS in 2018 Beta?

I don't find the mpsvars.sh environment file in <inst dir>/itac_2018/bin  directory (or anywhere else)Is MPS not in the 2018 beta?Will MPS appear in a 2018 Beta Update?Will MPS appear in the 2018...

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old intel/860 parallel program

I am trying to launch an old c program developed for the intel / 860 but I do not know if there could be the MPI equivalent of the following functions: crecv gxsum gsendx irec isend msgcancel...

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Error compiling FFTW3X_CDFT Wrapper on Intel Parallel Studio XE Cluster Ed

Hi,OS: SLES11 SP4kernel: 3.0.101-97I followed the instructions in:   https://software.intel.com/en-us/node/522284#566B1CCD-F68B-4E33-BAB2-082...Command:   $ make libintel64 interface=ilp64ERROR: ar:...

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Using intel mpi in parallel ANSYS fluent with AMD processors

I set up and use successfully this tutorial (https://goo.gl/Ww6bkM) for clustering 2 machine to run the ansys fluent 17.2 in parallel mode. machine 1 (node1) is win server 2012 R2 64bit and machine 2...

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error in compiling FFTW3 with intel compiler

Dear all,I'm trying to build FFTW3 with intel compiler, according to the guide in FFTW website. I configure FFTW3 as./configure CC=icc F77=ifort MPICC=mpiicc --enable-mpihowever, error reported...

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MPI_Scatterv/ Gatherv using C++ with "large" 2D matrices throws MPI errors

I implemented some `MPI_Scatterv` and `MPI_Gatherv` routines for a parallel matrix matrix multiplication. Everything works fine for small matrix sizes up to N = 180, if I exceed this size, e.g. N = 184...

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How to build connection for two server with infiniband and use intel mpi?

I'm so sorry that i can't find some detail info about using intel mpi to connect two server with infiniband.I want to know the procedure, and if there is any url about this content?Please apply me...

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Resetting credentials for MPI project

Hello,I am trying to run my first MPI project and have a problem with credentials. Long story short, I have entered credentials and then realised I didn`t actually registered. Now, every time I`m...

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Sending sub-arrays of matrix to different processors using mpi_scatterv

I want to scatter matrix from root to other processors using scatterv. I am creating a communicator topology using mpi_cart_create. As an example I have the below code in fortran: PROGRAM SendRecv USE...

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MPI on two machines with different choices of I_MPI_FABRICS

I am trying to run a simple "hello world" MPI program using two machines.Here is the MPI program:#include <mpi.h> #include <stdio.h> int main(int argc, char** argv) { MPI_Init(NULL, NULL);...

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Error in script creating wrappers for PGI 16.9 using Intel MPI

Hello,I try to create the wrappers for PGI 16.9 compilers for Intel MPI 16.3.210I added a comment in a quite similar topic but It seems not to be updated. I'm working on a node running CentOS 7.2uname...

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execvp error (Parallel running between 2 nodes)

Hi I'm trying to run a simple parallel code between 2 nodes (VS 2013 and intel cluster 2017). I have successfully run in parallel between inner cores in the node 0. I create host.txt file then copy the...

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MPI_File_read_all MPI_File_write_all local size limit

Dear Intel support team,I have problem with MPI_File_read_all MPI_File_rwrite_all subroutines. I have a fortran code that should read large binary file (~2TB). In this file are few 2D matrices. The...

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Intel MPI unable to use 'ofa' fabric with Mellanox OFED on ConnectX-4 Lx EN...

I have a system where I am unable to get Intel MPI to use the 'ofa' fabric with Mellanox OFED over ConnectX-4 Lx EN ethernet cards and have exhausted all means I know of to get it to work. I'd...

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