diff --git a/doc.zih.tu-dresden.de/docs/jobs_and_resources/mpi_issues.md b/doc.zih.tu-dresden.de/docs/jobs_and_resources/mpi_issues.md index 5d1d8d2b704a500b11e01ad6f6fb75964536660a..b7ced27e6e59001bc0cffdd26e5d221f0b49b4d5 100644 --- a/doc.zih.tu-dresden.de/docs/jobs_and_resources/mpi_issues.md +++ b/doc.zih.tu-dresden.de/docs/jobs_and_resources/mpi_issues.md @@ -26,8 +26,8 @@ object for RDMA operations (ref. [man page](https://www.open-mpi.org/doc/v3.0/ma > Using MPI_Win_allocate rather than separate MPI_Alloc_mem + MPI_Win_create may allow the MPI implementation to optimize the memory allocation. > (Using advanced MPI) -It was observed for at least for the `OpenMPI/4.0.5` module that using `MPI_Alloc_mem` in -conjunction with `MPI_Win_create` instead of `MPI_Win_Allocate` leads to segmentation faults in the -calling application. To be precise, the segfaults occurred at partition `romeo` when about 200 GB -per node where allocated. In contrast, the segmentation faults vanished when the implementation was -refactored to call the `MPI_Win_allocate` function. +It was observed for at least for the `OpenMPI/4.0.5` module that using `MPI_Win_Allocate` instead of +`MPI_Alloc_mem` in conjunction with `MPI_Win_create` leads to segmentation faults in the calling +application . To be precise, the segfaults occurred at partition `romeo` when about 200 GB per node +where allocated. In contrast, the segmentation faults vanished when the implementation was +refactored to call the `MPI_Alloc_mem + MPI_Win_create` functions.