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OCI HPC Cluster: トラブルシューティング - MPI関連

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MPI 関連

Q: Intel MPI v2021.x でアプリを実行するとハングする

Intel MPI v2021.x で以下のオプションで実行した場合、アプリがハングするケーズがございます。

-iface ens800f0 -genv UCX_TLS=rc,self,sm -genv UCX_NET_DEVICES=mlx5_2:1 -genv I_MPI_FABRICS=shm:ofi

その場合、I_MPI_FABRICS=shm:ofiI_MPI_FABRICS=ofi に変更して実行をお願いします。

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