Quantcast
Channel: Clusters and HPC Technology
Browsing all 930 articles
Browse latest View live

Problem with IntelIB-Basic, Intel MPI and I_MPI_FABRICS=tmi

Hi,We have a small cluster (head node + 4 nodes with 16 cores) using Intel infiniband. This cluster is under CentOS 6.6 (with the kernel of CentOS 6.5).On this cluster Intel Parallel Studio XE 2015 is...

View Article


Looking for data of traces

Hello I am doing a study in which I would analyze trace data collected by the Intel®Trace Analyzer and Collector. Any directions or leads on where I could find this data would be very much...

View Article


Ordering of images on different nodes using Coarray Fortran and IntelMPI

HelloI have a question about ordering of images when -coarray=distributed compiler option is used and the program is run on a cluster using IntelMPI libraries.Assuming that the number of images is the...

View Article

Run and debug Intel MPI application on cluster. (Grid Engine)

Hello, I have a problem in debugging of Intel MPI application on a cluster.Common question: How to debug the parallel application. Console debugger idbc is not convenient at all. Are there debuggers...

View Article

Checkpointing MPI jobs with Intel MPI version 4.1.3.049

Trying to run checkpointing with BLCR using the Intel MPI 4.1.3.049 library. Compiled the source MPI codes using the Intel mpicc compiler. While running, used mpiexec.hydra -ckpoint on -ckpointlib blcr...

View Article


Intel mpi/openmp hybrid programming on clustering!

Hello, Admin! I'm now using Intel Cluster Studio Tool Kit! And I'm trying to run hybrid(mpi+openmp) program on 25 compute nodes!I compile my program using with -mt_mpi -openmp. I use I_MPI_DOMAIN=omp...

View Article

windows authentication via Infiniband

Hello everyone, I need your help with a problem of windows authentication . I have changed the method of authentication in "delegation", but it still does not work, and a password is always required....

View Article

Problem on MPI: About Non-Blocking Collective operations

 The structure of my code is,//part1 if(i>1){          Compute1;        } //part2 if(i<m)      {           Compute2;         MPI_Allgatherv();  //Replaced by MPI_Iallgatherv();       } //part3...

View Article


Trouble with checkpointing with Intel MPI using blcr

Trying to run checkpointing with BLCR using the Intel MPI 4.1.3.049 library. Compiled the source MPI codes using the Intel mpicc compiler. While running, used mpiexec.hydra -ckpoint on -ckpointlib blcr...

View Article


filehandle value problem MPI MPI_FILE_OPEN on Windows

Testing the Intel MPI libraries in windows 8.1.  I encounter some problems in the following statement.call MPI_FILE_OPEN(MPI_COMM_WORLD, filename, MPI_MODE_WRONLY + MPI_MODE_CREATE, MPI_INFO_NULL, fh,...

View Article

IPM Statistics Format: GFLOPS is Missing

I have been trying to collect mpi statistics of my application and have been using the following settings export I_MPI_STATS=ipmexport...

View Article

Intel MPI process placement

Hello,I would like to pin MPI processes across all CPU sockets. For example, I would like to run 10 MPI processes on a two socket machine with 5 MPI processes on each socket. Could you please send me...

View Article

Image may be NSFW.
Clik here to view.

Error message: control_cb (./pm/pmiserv/pmiserv_cb.c:1151): assert (!closed)...

Hello, I have the following error message when I run my FORTRAN code on a HPC of my university:[mpiexec@node0653] control_cb (./pm/pmiserv/pmiserv_cb.c:1151): assert (!closed) failedI had my code...

View Article


how to run the hybrid MPI/OpenMP

Hi, Dear Sir or Madam,I am using the Intel MPI and OpenMP and Intel Composer XE 2015 to build a hybrid MPI/OpenMP application. For example, if I want to run the executable file of my application on 3...

View Article

MPI Library Runtime Enviroment 4.0

Hello,I am working by using remote deskpot of Cornell University servers and I have not internet conection in my deskpot. I am using Visual Studios 2008 with Intel Visual Fortran Composer XE 2011, and...

View Article


Can't install Parallel Studio XE 2015 Update1 on CentOS 6.6

Hi,I'm trying to install (upgrading) Parallel Studio XE 2015 Update1. However, the installer causes segmentation fault. Do you know any solutions?Target system has Xeon E5-2697 v2 and CentOS 6.6 is...

View Article

Can't install Parallel Studio XE 2015 Update1 on Scientific Linux 6.6

When I install Parallel Studio XE 2015 Update1 on Scientific Linux 6.6, the message...

View Article


mpi_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 Article

How to initiate MPI in the Fortran subroutine?

Hi, All,I am using Intel MPI and OpenMP. My application is a hybrid MPI and OpenMP Fortran-code application. Currently it is tested on a multicore computers. My question for you is as follows:Can I...

View Article

Multiple Versions of Intel MPI Library Runtime on one machine

Hi Intel we appreciate all the time and effort you put into your products. We have a question about installing multiple versions of the Intel MPI Library Runtime Environment on one machine.How can one...

View Article
Browsing all 930 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>