Search results

MPI Forum ABI MPI_Error_string reports wrong strings for MPI-IO error classes

Status: Open.

#7835 In pmodels/mpich;

· jsquyres opened on Jun 10, 2026

MPI Forum ABI path aborts for MPI_Op_create + MPI_Reduce_local user op callback

Status: Open.

#7834 In pmodels/mpich;

· jsquyres opened on Jun 10, 2026

MPI Forum ABI wrapper for MPI_Type_create_f90_integer returns success with MPI_DATATYPE_NULL

Status: Open.

#7833 In pmodels/mpich;

· jsquyres opened on Jun 10, 2026

MPI_Cart_sub with all remain_dims false returns MPI_COMM_NULL on nonzero ranks

Status: Open.

#7832 In pmodels/mpich;

· jsquyres opened on Jun 10, 2026

RMA functionality broken with SHS14.0/libfabric2.3.1

aurora

Status: Open.

#7830 In pmodels/mpich;

· servesh opened on Jun 9, 2026

Possible bug due to failing cudaMemcpyAsync

Status: Open.

#7819 In pmodels/mpich;

· nmnobre opened on May 27, 2026

romio test fails to build in Fedora package

Status: Open.

#7817 In pmodels/mpich;

· opoplawski opened on May 25, 2026

MPI_Comm_connect/accept for singleton init processes broken in MPICH v5.0.1

Status: Open.

#7805 In pmodels/mpich;

· eellis-mw opened on May 12, 2026

Getting GPU IPC to work with HIP/ROCm

Status: Open.

#7779 In pmodels/mpich;

· mszpindler opened on Apr 21, 2026

RC tarballs and shared library versioning

Status: Open.

#7765 In pmodels/mpich;

· dalcinl opened on Apr 8, 2026

abi: MPICH does not provide the Fortran ABI library and compile wrapper

Status: Open.

#7759 In pmodels/mpich;

· raffenet opened on Apr 1, 2026

Single MPI all_reduce 50x slower than oneccl

aurora

Status: Open.

#7752 In pmodels/mpich;

· TApplencourt opened on Mar 20, 2026