Intel® MPI Library
Get help with building, analyzing, optimizing, and scaling high-performance computing (HPC) applications.
2291 Discussions

MPI size=0 while everithing else seems to work

Sanders1
Beginner
79 Views

Hi,

I have installed the latest OneAPI of April 7, 2026, and run ifx together with MPI with Visual Studio 2022. For some reason MPI size=0 despite ierr=0 after MPI_INIT. Compilation, linking (mpiifx) and run (mpiexec) appear to work as expected. 

Best regards

Sanders

0 Kudos
0 Replies
Reply