Search results

mpirun v4.1.7 prioritizing rank placement based on launch node

question

Target: v4.1.x

Status: Open.

#13199 In open-mpi/ompi;

· aw-lauria opened on Apr 18, 2025

SEGV in ompi_request_default_test_all() when triggering IPoIB networking problem during ucc_perftest run

question

Target: v4.1.x

Status: Open.

#13191 In open-mpi/ompi;

· bfaccini opened on Apr 14, 2025

Performance Issues with MPIRun Due to Virtual Network Interfaces

question

Target: v4.1.x

Status: Open.

#13161 In open-mpi/ompi;

· GeofferyGeng opened on Mar 25, 2025

Mapping ranks evenly across nodes and across resources within nodes with MPI+OMP codes (--map-by Res:PE=n:span is broken)

Target: v4.1.x

Status: Open.

#13143 In open-mpi/ompi;

· drmichaeltcvx opened on Mar 14, 2025

MPI One-sided applications only work via Infiniband adapter as expected, but not via Ethernet adapter

question

Target: v4.1.x

Status: Open.

#13128 In open-mpi/ompi;

· KADichev opened on Mar 6, 2025

[v4.1.x]btl/tcp: Correctly report TCP connect errors

Target: v4.1.x

Status: Open (in progress).

open-mpi/ompinumber 13110

#13110 In open-mpi/ompi;

· jiaxiyan opened on Feb 21, 2025

 ·  

v4.1.9

v4.1.9 release checklist

Target: v4.1.x

Status: Open.

#13078 In open-mpi/ompi;

· bwbarrett opened on Feb 4, 2025

 ·  

v4.1.9

OpenMPI combined with RDMA.

question

Target: v4.1.x

Status: Open.

#12999 In open-mpi/ompi;

· xiaojiesi opened on Dec 25, 2024

Memory leak with CUDA-aware OpenMPI without UCX

question

Target: v4.1.x

Status: Open.

#12971 In open-mpi/ompi;

· kvoronin opened on Dec 9, 2024

MPI_Comm_split_type not creating disjoint subgroups for certain cases

bug

Target: main

Target: v4.1.x

Target: v5.0.x

Status: Open.

#12812 In open-mpi/ompi;

· mshanthagit opened on Sep 16, 2024

occasional deadlock on mpi_barrier; what to do?

Target: v4.1.x

Status: Open.

#12746 In open-mpi/ompi;

· gregfi opened on Aug 12, 2024

romio,hwloc: fix type errors for x86

Target: v4.1.x

Status: Open (in progress).

open-mpi/ompinumber 12735

#12735 In open-mpi/ompi;

· nmorey opened on Aug 6, 2024