Chelsio Communications Chelsio T5 Guide de l'utilisateur télécharger pdf (Page 77)

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Chapter IV. iWARP (RDMA)

Chelsio T5/T4 Unified Wire For Linux Page 77

vi. Next, copy the two files created in steps (iv) and (v) to /usr/mpi/gcc/mvapich2-x.y/bin and

/usr/mpi/gcc/mvapich2-x.y/etc

vii. Add the following entries in .bashrc file:

export MVAPICH2_HOME=/usr/mpi/gcc/mvapich2-x.y/

export MV2_USE_IWARP_MODE=1

export MV2_USE_RDMA_CM=1

viii. Register MPI:

[root@host]# mpi-selector --register mvapich2 --source-dir

/usr/mpi/gcc/mvapich2-x.y/bin/

xii. Verify if it is listed in mpi-selector:

[root@host]# mpi-selector --l

ix. Set MVAPICH2:

[root@host]# mpi-selector --set mvapich2 –yes

x. Logut and log back in.

xi. Populate mpd.hosts with node names.

xii. On each node, create /etc/mv2.conf with a single line containing the IP address of the local

T4/T5 interface. This is how MVAPICH2 picks which interface to use for RDMA traffic.

4.2.4. Building MPI tests

i. Download Intel’s MPI Benchmarks from http://software.intel.com/en-us/articles/intel-mpi-

benchmarks

ii. Untar and change your current working directory to src directory.

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Chelsio Communications Chelsio T5 Guide de l'utilisateur Page 77

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