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Update WorkArounds.txt

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Peter Boyle 2025-03-05 13:50:41 -05:00 committed by GitHub
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systems/WorkArounds.txt
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@ -68,7 +68,7 @@ srun ./select_gpu BINARY
--------------------------------------------------------------------
Mellanox performance with A100 GPU
Mellanox performance with A100 GPU (Tursa, Booster, Leonardo)
--------------------------------------------------------------------
export OMPI_MCA_btl=^uct,openib
export UCX_TLS=gdr_copy,rc,rc_x,sm,cuda_copy,cuda_ipc
@ -77,12 +77,12 @@ export UCX_RNDV_THRESH=16384
export UCX_IB_GPU_DIRECT_RDMA=yes
--------------------------------------------------------------------
Mellanox + A100 correctness
Mellanox + A100 correctness (Tursa, Booster, Leonardo)
--------------------------------------------------------------------
export UCX_MEMTYPE_CACHE=n
--------------------------------------------------------------------
MPICH/Aurora/PVC correctness and performance (Peter Boyle)
MPICH/Aurora/PVC correctness and performance
--------------------------------------------------------------------
https://github.com/pmodels/mpich/issues/7302
@ -105,7 +105,7 @@ export MPIR_CVAR_NOLOCAL=1
export MPIR_CVAR_CH4_IPC_GPU_P2P_THRESHOLD=1000000000
--------------------------------------------------------------------
MPICH/Aurora/PVC correctness and performance (James Osborne)
MPICH/Aurora/PVC correctness and performance
--------------------------------------------------------------------
Broken:
@ -114,7 +114,7 @@ export MPIR_CVAR_CH4_OFI_ENABLE_GPU_PIPELINE=1
This gives good peformance without requiring
--enable-cuda-aware-mpi=no
But is an open issue reported by James Osborne
But is an open issue reported by James Osborn
https://github.com/pmodels/mpich/issues/7139
Possibly resolved but unclear if in the installed software yet.