HP-MPI Version 2.2 for Linux Release Note

HP-MPI V2.2 for Linux Release Note

What’s in This Version

% export MPI_IC_ORDER="elan:TCP"

% export MPIRUN_SYSTEM_OPTIONS=" "

% $MPI_ROOT/bin/mpirun -prot -TCP -prun -n4 ./a.out

Example 4 Protocol Maps

• This runs on ELAN

[user@opte10 user]$ bsub -I -n3 -ext "SLURM[nodes=3]" $MPI_ROOT/bin/mpirun -prot

-srun ./a.out Job <59304> is submitted to default queue <normal>.

<<Waiting for dispatch ...>>

<<Starting on lsfhost.localdomain>>

Host 0 -- ELAN node 0 -- ranks 0

Host 1 -- ELAN node 1 -- ranks 1

Host 2 -- ELAN node 2 -- ranks 2

host | 0 1 2

======|================

0 : SHM ELAN ELAN

1 : ELAN SHM ELAN

2 : ELAN ELAN SHM

Hello world! I'm 0 of 3 on opte6

Hello world! I'm 1 of 3 on opte7

Hello world! I'm 2 of 3 on opte8

• This runs on TCP/IP over the GigE network configured as 172.20.x.x on eth0

[user@opte10 user]$ bsub -I -n3 -ext "SLURM[nodes=3]" $MPI_ROOT/bin/mpirun -prot

-TCP -srun ./a.out Job <59305> is submitted to default queue <normal>.

<<Waiting for dispatch ...>>

<<Starting on lsfhost.localdomain>>

Host 0 -- ip 172.20.0.6 -- ranks 0

Host 1 -- ip 172.20.0.7 -- ranks 1

Host 2 -- ip 172.20.0.8 -- ranks 2

host | 0 1 2

======|================

0 : SHM TCP TCP

1 : TCP SHM TCP

2 : TCP TCP SHM

Hello world! I'm 0 of 3 on opte6

Hello world! I'm 1 of 3 on opte7

Hello world! I'm 2 of 3 on opte8

• This uses TCP/IP over the Elan subnet using the -TCP option in combination with the

-subnet option for the Elan interface 172.22.x.x