Intel MPI support for Amazon's EFA libfabric provider
Hi,Is anyone working on adding support for Amazon's EFA libfabric provider? Described here:https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/efa-start.htmlThey currently have a build of libfabric...
View ArticleCompiling for Legacy Xeon E5472 cluster
I have a legacy 128-core cluster with Xeon E5472 processors, still a viable resource. Looking for recommendations on compilers that would be suitable for this platform.-If Intel, what version/update...
View ArticleI_MPI_OFI_PROVIDER vs. I_MPI_OFA_ADAPTER_NAME
Hi,The latter has been removed / deprecated in intelmpi 2019.4 which we are currently testing.We are using environment modules and up to and including intelmpi 2018.3 we had logic in them which set...
View ArticleIntel MPI 5.1/2016
I'm setting up a cluster on Azure using RDMA over infiniband. The docs state that the only supported MPI for this is Intel MPI 5.1 (=2016). The images do come with a partial install of this but it's...
View ArticleAre my IMB-MPI1 results correct? they seem to be to high???
Hello, i'm testing on 4 nodes of our hpc-system. They are connected with OmniPath - 100gbit/sec Network.When i start mpirun -genv I_MPI_FABRICS shm:tmi -genv -host qn12 -n 1...
View ArticleRunning a MPICH program through mpiexec
Hi! If this is the wrong board to post this question, I'll happily move it!I'm trying to run a prebuilt LAMMPS Windows executable on my Windows machine. According to their documentation...
View ArticleWhich Intel Processors are supported for MPI?
I'm trying to run a code using MPI, but the number of CPUs reported to the code is always 1. I was originally trying to test on a system with Intel Core Duo CPUs, but was told those CPUs were not...
View ArticleChanges between Intel MPI 2018 and 2019: is this documented?
We want to move from Intel MPI 2018update3 to 2019update3, but ran into a number of problems, e.g. with fabric selection, hydra options and environment variables not working (or not supported any...
View ArticleHow to select TCP/IP as fabric at runtime with Intel 2019 MPI
Hello,My apologies: I posted this earlier within another thread, but afterwards decided to submit it as a new query.I have been struggling for a couple days to figure out the very basic setting of how...
View ArticleIntel mpirun error - AI workload
Hi, I tried to run one of my workload model for training on a CentOs cluster for MPI analysis. Please find below the command used and the error is displayed below. Request your help in resolving the...
View ArticleI_MPI_STATS removed
Hi all, I just learned that gathering statistics using I_MPI_STATS is not supported by version 2019 of Intel MPI (https://software.intel.com/en-us/articles/intel-mpi-library-2019-beta-re...,...
View ArticleAWS, Intel mpi and efa
Im having some issues with the latest Intel mpi and efa on AWS instances.I installed the Intel MPI from the install script found elsewhere in the support...
View Articleinstalling parallel_studio_xe_2019_cluster_edition in a cluster for a non...
Dear Intel support team,Please help for below points:Package "parallel_studio_xe_2019_cluster_edition.tgz" has been downloaded from the Intel student's account of Intel website. This package needs to...
View ArticleMPI hangs with multiple processes on same node - Intel AI DevCloud
Hello,I am using Intel AI DevCloud to run a Deep Reinforcement Learning training, using mpi4py to use several agents to collect data at the same time.In my framework, I run N jobs (in different nodes)...
View ArticleBad file descriptor for 80+ ranks on single host
Hi,I am unable to launch a simple MPI application using more than 80 processes on a single host using Intel MPI 2018 update 1 and PBS Pro as job scheduler.The job is submitted with a script...
View Articleerror LNK2001: unresolved external symbol
Hi, I am using the fortran90 with mpi. I followed the steps on this website to link the mpi with visual studio 2017. But it didn't work. It shows error LNK2001 to every MPI commands. Like error...
View ArticleTrouble installing Intel MPI in a docker container
I've been trying to get Intel MPI installed on top of a windowsservercore base image. The MPI installer fails during installation of studio_common_libs_p* sub-installation.I've attached the logs, but...
View ArticleMPI shared communication with slided access
Hello I have two questions regarding using mpi shared memory communication 1) If I have a MPI rank which is the only one that writes to a window, is it necessary to employ mpi_win_lock, and...
View ArticleIntel MPI 2019 with Mellanox ConnectX-5 / provider=ofi_rxm
Hi, we are currently standing up a new cluster with Mellanox ConnectX-5 adapters. I have found that using openMPI, mvapich2, and intel2018-mpi, we can run MPI jobs on all 960 cores in the cluster,...
View ArticleFortran+MPI program can't run on OPA when using variable format expressions
The code: use mpi implicit none real*8 send_data(10) integer ierr,mynode,numnodes,status(10) integer k send_data=0.0d0 call mpi_init(ierr) call mpi_comm_rank(MPI_Comm_World, mynode, ierr) call...
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