Chelsio Communications Chelsio T5 User's Guide download pdf (Page 71)

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Chapter IV. iWARP (RDMA)

Chelsio T5/T4 Unified Wire For Linux Page 71

4.2.3. Configuration of various MPIs (Installation and Setup)

Intel-MPI

i. Download latest Intel MPI from the Intel website

ii. Copy the license file (.lic file) into l_mpi_p_x.y.z directory

iii. Create machines.LINUX (list of node names) in l_mpi_p_x.y.z

iv. Select advanced options during installation and register the MPI.

v. Install software on every node.

[root@host]# ./install.py

vi. Set IntelMPI with mpi-selector (do this on all nodes).

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

/opt/intel/impi/3.1/bin/

[root@host]# mpi-selector --set intelmpi

vii. Edit .bashrc and add these lines:

export RSH=ssh

export DAPL_MAX_INLINE=64

export I_MPI_DEVICE=rdssm:chelsio

export MPIEXEC_TIMEOUT=180

export MPI_BIT_MODE=64

viii. Logout & log back in.

ix. Populate mpd.hosts with node names.

x. Contact Intel for obtaining their MPI with DAPL support.

xi. To run Intel MPI applications:

mpdboot -n <no_of_nodes_in_cluster> -r ssh

mpdtrace

mpiexec -ppn -n 2 /opt/intel/impi/3.1/tests/IMB-3.1/IMB-MPI1

 The hosts in this file should be Chelsio interface IP addresses.

 I_MPI_DEVICE=rdssm:chelsio assumes you have an entry in

/etc/dat.conf named chelsio.

 MPIEXEC_TIMEOUT value might be required to increase if heavy traffic is

going across the systems.

Note

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