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libmpi.so.4: could not read symbols: Bad Value

Hi all,I am new to HPC, playing with MKL, CUDA and HPL from Nvidia to optimize the result.Everything compiling smoothly until enter the ptest/ directory and broke, It says:make[2]: Entering directory...

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Intel Micro Benchmark Result Problem with PCI-passthrough via FDR infiniband

Hi everyone, I still evaluate cluster performance. For now, i move on virtualization with PCI-passthrough via FDR infiniband on KVM hypervisor.My problem is Sendrecv throughput that decrease by half...

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pmi_proxy not found

Hi,  I have installed under CentoOS 6.5 (latest release), the latest as of this writing intel mpi system and compilers l_mpi_p_4.1.3.049 and  parallel_studio_xe_2013_sp1_update3.  This is on a Dell...

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Cluster Studio Install Error

I am trying to install Cluster Studio on Linux. The install froze so I had to restart the installation. When I tried to run the installer again, I get the following message.Another instance of the...

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error impi 4.1.2 dapl error

 Dear Experts, After an update of our Cluster I started receiving dapl errors. I am compiling my fortran code with impi 4.1.2. The error occurs if I try running my code with complicated models having...

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Error from mpiexec - readv failed - errno 9 (Bad file descriptor)

Hi,I am running an MPI application using IntelMPI. I could run this application using 1process successfully. While running it with more than 1process I am getting the following error. 1: Fatal error in...

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Intel Cluster Studio XE on VMs

Hi everyone,I was wondering if anyone had experience running the Intel MPI library on a cluster consisting entirely of VMs.  Is this possible?  Which library or product is appropriate for this need?...

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Unable to generate trace file with mpirun

Hello.  I've been attempting to follow the instructions on this page https://software.intel.com/sites/products/documentation/hpc/ics/itac/81/Getting_Started.htm using Intel mpirun but have either not...

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Incorrect program or MPI implementation bug?

Hi,Below is a simple reproduction case for the issue we're facing:#include "stdio.h" #include "mpi.h" #include "stdlib.h" int main(int argc, char* argv[]) { int rank; MPI_Group group;...

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Problem launching windows console application using createprocess from mpi...

All,I have a working console application( call myApp) which is launched using mpiexec on windows 2008server.  It works fine. However I am now adding a feature where in I want to launch a new...

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Performance degradation with MPI_THREAD_MULTIPLE

Hello,We've been facing some scalability issues with our MPI-based distributed application, so we decided to write a simple microbenchmark program, mimicking the same "all-to-all, pairwise"...

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Memory leak in mpiu_shm_wrappers.h?

Hi all,I am working on an MPI application that appears to be leaking memory slowly.After running one the MPI ranks under Inspector XE with the mi1 analysis type, I see a memory leak reported in...

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Installation Problem - MOST of the Cluster is Good but Phi Nodes Not Working

I'm hoping you can help with the best way to fix this installation problem:We have a centrally-installed Intel Cluster Studio XE running on an HP DL380 server and 128 compute nodes - HP SL230s servers....

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mpiexec requires administrative privileges on Windows

Our organization has recently purchased Intel Cluster Studio. We have set up a few test cases to ensure that everything is working as expected and have come across an issue with using mpiexec on our...

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NO-IF paradigm for high-performance code.

Hi there, Amici (Friends).i'd like to discuss here how to reduce conditional branches in algos (algorithms) to speed-up our codes ;D recently, i wrote QSort-based sorting to research the possible...

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New Intel® Xeon Phi™ Cluster Integration webinar

Intel® Xeon Phi™ Cluster Integration – A hands-on Introduction Join us for a Webinar on August 12Space is limited. Reserve your Webinar seat now.In this 4-hour course led by an instructor the...

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MPI 4.1 fails to end gracefully when ranks > 2000

I am testing Intel MPI 4.1 with test.c (the provided test program).Whenever I run > 2000 ranks the program executes correctly but fails to end gracefully.Running: mpiexec.hydra -n 2001 -genv...

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How to use Intel MPI 5.0?

Dear all,I noticed that Intel has release Intel MPI 5.0 and I downloaded latest version to test it. The command I used is as follows (it works with latest Intel MPI 4.1.x):mpiexec -wdir...

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Ask for suggest to configure and run parallel program in cluster

Dear all,I have a cluster with two kinds of nodes joined into parallel calculation: the first kind is the nodes with 2 CPUs and 4 cores in every CPU, the memory in every node is 32 GB, the second kind...

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INTEL-MPI-5.0: Bug in MPI-3 shared-memory allocation...

Dear developers of Intel-MPI,First of all:   Congratulations, that INTEL-MPI now supports also MPI-3 !However, I found a bug  in INTEL-MPI-5.0 when running the MPI-3 shared memory feature (calling...

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