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

Image may be NSFW.
Clik here to view.

Help with Assertion failed in file ../../dapl_conn_rc.c

I am trying to run a Fortran MPI based code (Incompact3d) on a cluster. The code works fine in local execution (i7) or in a single node (dual Xeon) handling even agressive optimization options like...

View Article


Image may be NSFW.
Clik here to view.

system call intrinsics not working when using ILP64 version of Intel MPI

Hi,I am using Intel MPI 5.1.2 and ifort version 16.0.1 under linux.  I have a code that uses the 'system' intrinsic to perform some file/directory manipulations that no longer works properly when using...

View Article


Linking MKL_DFTI error

Dear all;I need to use mkl_dfti module. For the following sample code,program test use MKL_DFTI Complex :: X(32) Real :: Y(34) type(DFTI_DESCRIPTOR), POINTER :: My_Desc1_Handle, My_Desc2_Handle Integer...

View Article

Image may be NSFW.
Clik here to view.

Size of MPI_TAB_UB

In the Intel MPI library reference manual it states that MPI_TAG_UB (under the section Using ILP64 - Known Issues and Limitations)Predefined commuicator attribugs ... MPI_TAG_UB ... are returned by the...

View Article

MPI in mixed C and FORTRAN

Hello,I am using the Intel MPI on a mixed C/FORTRAN program. All my communicators (MPI_Comm) are instanced in C; yet, I need to pass them through MPI calls to a FORTRAN subroutine.How does one cast the...

View Article


Debugging problems with mpiexec.hydra

Hello,I have provided an ifort + intelMPI build of a CFD solver to a customer using the Intel MPI runtime environment.   The customer's cluster uses a SGE scheduler.    The user is attempting to run on...

View Article

MPI openmp fopenmp oopenmp qopenmp

On Linux, using Eclipse, I am creating a C project that uses a combination of MPI and OpenMP.I can get the project to build, but with some warning that I can ignore. This may not necessarily be an...

View Article

Installed MPI Library 5.1 Update 3 and Damaged the OS Install

I recently downloaded and installed the Intel MPI Library 5.1 Update 3 (w_mpi_p_5.1.3.180.exe) and after what appears to be a successful install, many components of the OS (Window 7) are non...

View Article


Starting a Windows GUI Application with mpiexec

I am trying to launch a windows GUI application which itself spawns one or more mpi applications.The intention is to form an inter-communicator that allows the spawned mpi processes to communicate with...

View Article


Image may be NSFW.
Clik here to view.

MPI: Too Many Communicators

I have a code that has a time-stepping algorithm in which a distributed matrix is solved at each time step.  After a number of time steps, Intel MPI crashes with the error message...

View Article

Question about mpiexec (5.1.3)

Dear all,I have 10 nodes name N01~N10. In these nodes two nodes installed Windows server 2012  and others are Windows 7 64bit. A domain fem.org was created in one node. All nodes have joined into this...

View Article

OpenMP and MKL

Hello,I have a program where at one point I call a function.Inside this function I have OpenMP parallelization AND I have MKL/BLAS calls. I know that the BLAS are never called inside an OpenMP parallel...

View Article

Can only run one MPI job on Windows

<p>I may not be in the right forum, so redirect if necessary.</p><p>My organization distributes a large Fortran program that uses MPI. We distribute the Intel MPI redistributable libs...

View Article


Question about submitting MPI job from Windows HPC 2012

Dear all,I can launch my program by Intel MPI 4.1.3.047 by the following command line:mpiexec -wdir "z:\test\1\-newR1A30" -mapall -hosts 10 N01 2 N02 2 N03 2 N04 2 N05 2 N06 2 N07 2 N08 2 N09 2 N10 2...

View Article

MPI application end users require Admin privileges for hydra-service

I have developed an MPI-enabled application that will be run by end users on their 64-bit Windows machines.  The application and all its files are packaged as a zip file, and therefore doesn't need a...

View Article


3-D FFT via 1-D conversion

Hello all,I am trying to do 3-D FFT complex to complex. First i converted Q to complex QC then reshape 3D to 1D. Then I did FFT. Could anybody tell, if i did any mistake? ! convert Q to complex QC...

View Article

Intel MPI, MPI_THREAD_MULTIPLE and Infiniband

Dear all,I have a general question about Intel MPI. First of all, some information on my installation (on a CentOS 6 cluster)mpiexec --version Intel(R) MPI Library for Linux* OS, 64-bit applications,...

View Article


HPL with Intel V3 haswell processor

Hi Team,As per my knowledge for calculating a theoretical HPL value (Rpeak)Number of nodes * Cores per node * Speed per Core * Operation per cycle == Theoretical  HPL (Rpeak)Is this method is same for...

View Article

Is there a way to reduce the job startup command on Windows?

I have developed a C++-based MPI application that is uses the MPI_Comm_spawn library routine to start a set of child applications that do various data calculations, and communicate status information...

View Article

MPI job error dapl_cma_active: CM ADDR ERROR

Hi,When we run MPI job, found following error and job failed.Here is MPI command:mpirun -genv I_MPI_FABRICS shm:dapl -f mpi_hosts -perhost 48 -n 288...

View Article
Browsing all 930 articles
Browse latest View live


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