I have written a C++ code that uses both OpenMP and OpenMPI. I want to use (let's say) 3 nodes (so size_Of_Cluster should be 3) and use OpenMP in each ...
I have written a C++ code that uses both OpenMP and OpenMPI. I want to use (let's say) 3 nodes (so size_Of_Cluster should be 3) and use OpenMP in each ...
I have following arrangement of code: parent.py: child.py: Primary objective here is to run child.py with multiple processors in a again and ag ...
How to find the available collective algorithm for Broadcast in Intel MPI. In case of OpenMPI, we can list all the available MPI collective algorithm ...
I have the following implementation: I have tried the following parameters: scaling analysis I'm new to parallelisation and HPC so forgive me if I ...
I have an MPI program (a code in c for a school project) that I want to run on more nodes (this time 2 nodes) but it doesn't work and it is infinitely ...
My main goal is to implement some tests that use OpenMPI and parallel computing but on a shared GitLab runner. I have been unsuccessful in doing so us ...
I am carrying out static aeroelastic analysis using an OpenMDAO-based script. I am trying to adapt my script to run it on a supercomputer. The MDA lo ...
What is the final value printed if the the program below is executed with 5 MPI processes? I can't seem to figure it out and I can't run it, it jus ...
Similar to the discussion at MPI hello_world to test infiniband, we are using OpenMPI 4.1.1 on RHEL 8 with 5e:00.0 Infiniband controller [0207]: Mella ...
I'm on macOS 10.14. Attempting the following in test.py: results in The typical cause of this problem, as far as I can tell, is having two diffe ...
In Open MPI the Broadcast function have various implementation like Flat tree, Chain tree, Binomial, Binary, Split-binary, K-Chain tree. How do I tel ...
I have found compat-openmpi packages for centos 7 https://linuxconfig.org/how-to-install-rpm-bin-package-in-redhat-linux-8 or https://centos.pkgs.o ...
I have two python scripts, one is being executed with mpi within another script using os module. Contents of both the scripts are shown below. Let pac ...
I would like to create a program that would work with both MPI and without at run time and I have reached a point where I think that is not possible. ...
System: Installed packages: Trying to compile a CoArrayFortran program via caf caf01.f90 results in the error There is a directory /usr/lib/x ...
I'm currently working on a project that is being built using CMake; it is then subsequently packaged up with CPack into an RPM. The following is pack ...
After some trials, I was able to install Rmpi package on my computer using the following code: I tried to run the following test code: On my HPC ...
I try to send and receive a large array to self-rank using MPI. The code works well for small arrays (array size <10000) when I further increase th ...
I'm trying use OpenMPI and Slurm to run a simple hello world program. The goal is to use an #SBATCH script like below. In the bashrc I added %PATH an ...
I have created an conda environment and I am trying to install mpi4py using pip. I am getting following error when I do that: As mentioned in the l ...