How to do parallel computing with fortran
Hi, I am not a computer science major, so I am very much confused by lots of the user guide online in this relevant topic, but I have decent knowledge in matlab and fortran coding, just have not done...
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MPI problem
I am new to using mpi. I just followed the steps provided in 'Configuring a Visual Studio Project' in intel resources. However, I am getting this output where it says mpiexec.exe has exited. Here is...
View ArticleDAPL startup: RLIMIT_MEMLOCK too small
I have a cluster made up of 15 nodes with 8 Intel Xeon E3-1230 V2 processors per node. The cluster is running Rocks v6.2. I recently installed Intel Parallel Studio XE Cluster Edition for Linux on the...
View ArticleHPCG memory allocation
Hello,I wanted to ask if somebody could explain how i can calculate the memory usage for the intel optimized HPCG from grid size nx ny nz ?Thank you for any help :DThread Topic: How-To
View ArticleSLURM Intelmpi cannot use Infiniband only ethernet QLogic Intel switch and...
Hi guys,I have a SLURM cluster setup with intelmpi and Ansys CFX.Here are my settings for the jobs:export I_MPI_DEBUG=5 export PSM_SHAREDCONTEXTS=1 export PSM_RANKS_PER_CONTEXT=4 export...
View ArticleParallel studio 2016 u3 Debian 8 support
According to part 4.3 of release notes for Parallel studio 2016 Update 3: "The operating systems listed below are supported by all components on Intel® 64 Architecture." But if I try to install this on...
View ArticleCombining multithreading and IntelMPI
Hi all,### The problem at hand ###I am trying to model a workflow where a manager process and multiple worker processes have multiple "conversations" simultaneously. The manager process had a "main...
View ArticleIntel MPi torque integration
I am performing several benchmarks with Intel MPI and SGI MPT. Intel MPI has been 1.2 times faster them MPT. However, i have three specifications who is need to follow: 1 - Use the faster MPI - is...
View ArticleIntel MPI intermittent failures
I have a couple of users that are experiencing intermittent failures using Intel MPI (typically versions 4.1.0 or 4.1.3) on RedHat 6.4 and 6.7 systems using Mellanox OFED 2.0 and 3.1 respectively.The...
View ArticleMPI Rank placement
I am experimenting with MPI (world) across different systems. One system is a Xeon Phi KNL (64 cores, 256 logical processors) called KNL, and the other system is an E5-2620v2 (6 cores, 12 logical...
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MPI_Send/ MPI_Rcv don't work with more then 8182 double
Hi, I'm having some troubles with the attached code SendReceive.c.The idea is to open a dataset with process p-1 and then to distribute it to the remaining processes. This solution works when the...
View ArticleYour Feedback Matters
Thank you for using Intel® software development tools. We are committed to making the best possible software and platforms to meet your development needs. Your personal experience with our products is...
View ArticleI_MPI_WAIT_MODE don't work
I find this parameter I_MPI_WAIT_MODE on Intel MPI 2017 reference guide. It said that "Use the Native POSIX Thread Library* with the wait mode for shm communications". My application is MPI + Pthread....
View Articlempiexe.hydra is defunct
If I run with IntelMPI with a forked process ( & ), it leaves mpiexe.hydra:30545 pts/25 00:00:00 Job1 30546 pts/25 00:00:00 Job2 30646 pts/25 00:00:00 mpirun 30651 pts/25 00:00:00...
View ArticleHeterogeneous setup help
I am trying to setup a heterogeneous MPI configuration and need some assistance. I've followed the instructions in the Intel(R) MPI Library for Windows* OS Developer Guide, section 5.5.This is what I...
View ArticleIntel MPI on 2 Windows 7 machines
I have install Intel MPI 5.1.0.031 on two different Windows 7 machines with ip addresses, 192.168.2.144 and 192.168.2.128. I am unable to launch an MPI process across these two machines using the...
View ArticleMPIICC not installed with MPI Library
Hello,So I downloaded the Intel MPI Library 2017 for Linux, and after it finished installing, I noticed mpiic is not there, although installation finished successfully. Shouldn't it be? I have from...
View ArticleCluster two computers for Intel MPI
Hi there, I have two identical computers. Each with 4-dual cores and Intel Parallel Studio Cluster edition installed. I have a Fortran code, which on a single machine takes 9 hours to run if not...
View ArticleMPI library crash when spawning > 20 processes using MPI_COMM_SPAWN
I'm currently running MPI (5.03.048) on Windows 10 (64 bit) 8 core machine with 32GB RAM. I am using MPI_COMM_SPAWN from a C++ app (that is launched using mpiexec.exe -localonly -n 1) to spawn N MPI...
View ArticleMPI_Parallel
Hello, When I run the VASP calculation software, the calculation job was "okay" during one day. After that, some jobs show the following error:[mpiexec@node46.chess.com] HYD_pmcd_pmiserv_send_signal...
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