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Update hpctests to obey UCX_NET_DEVICES when RoCE devices present #421

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merged 7 commits into from
Aug 7, 2024
Merged

Update hpctests to obey UCX_NET_DEVICES when RoCE devices present #421

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0951242
Turn off higher priority MPI net devices
bertiethorpe Aug 7, 2024
9bedf4c
Update pingmatrix.sh.j2
bertiethorpe Aug 7, 2024
4c7b9bd
Merge branch 'main' into fix/hpctests_ucx_net_devices
sjpb Aug 7, 2024
eba9883
Update pingmatrix.sh.j2
bertiethorpe Aug 7, 2024
edd730e
Update pingpong.sh.j2
bertiethorpe Aug 7, 2024
d346871
Replace j2 comments with bash
bertiethorpe Aug 7, 2024
055a31c
Update pingpong.sh.j2
bertiethorpe Aug 7, 2024
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6 changes: 5 additions & 1 deletion ansible/roles/hpctests/templates/pingmatrix.sh.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -16,4 +16,8 @@ echo UCX_NET_DEVICES: $UCX_NET_DEVICES
module load {{ hpctests_pingmatrix_modules | join(' ' ) }}

mpicc -o nxnlatbw mpi_nxnlatbw.c
mpirun nxnlatbw

# mpirun flags force using UCX TCP transports, overriding higher
# priority of OpenMPI btl/openib component, which is also using RDMA
# https://wiki.stackhpc.com/s/985dae84-7bd8-4924-94b7-9629a7827100
mpirun -mca pml_ucx_tls any -mca pml_ucx_devices any nxnlatbw
6 changes: 5 additions & 1 deletion ansible/roles/hpctests/templates/pingpong.sh.j2
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Expand Up @@ -16,4 +16,8 @@ echo UCX_NET_DEVICES: $UCX_NET_DEVICES
module load {{ hpctests_pingpong_modules | join(' ' ) }}

#srun --mpi=pmi2 IMB-MPI1 pingpong # doesn't work in ohpc v2.1
mpirun IMB-MPI1 pingpong

# mpirun flags force using UCX TCP transports, overriding higher
# priority of OpenMPI btl/openib component, which is also using RDMA
# https://wiki.stackhpc.com/s/985dae84-7bd8-4924-94b7-9629a7827100
mpirun -mca pml_ucx_tls any -mca pml_ucx_devices any IMB-MPI1 pingpong
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