HP-MPI User's Guide (11th Edition)

Understanding HP-MPI
Running applications on HP-UX and Linux
Chapter 392
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 -netaddr option for the Elan interface
172.22.x.x
[user@opte10 user]$ bsub -I -n3 -ext "SLURM[nodes=3]"
$MPI_ROOT/bin/mpirun -prot -TCP -netaddr 172.22.0.10 -srun
./a.out
Job <59307> is submitted to default queue <normal>.
<<Waiting for dispatch ...>>
<<Starting on lsfhost.localdomain>>
Host 0 -- ip 172.22.0.2 -- ranks 0
Host 1 -- ip 172.22.0.3 -- ranks 1
Host 2 -- ip 172.22.0.4 -- ranks 2
host | 0 1 2
======|================
0 : SHM TCP TCP
1 : TCP SHM TCP
2 : TCP TCP SHM
Hello world! I'm 0 of 3 on opte2
Hello world! I'm 1 of 3 on opte3
Hello world! I'm 2 of 3 on opte4
• Elan interface
[user@opte10 user]$ /sbin/ifconfig eip0
eip0 Link encap:Ethernet HWaddr 00:00:00:00:00:0F
inet addr:172.22.0.10 Bcast:172.22.255.255
Mask:255.255.0.0
UP BROADCAST RUNNING MULTICAST MTU:65264 Metric:1
RX packets:38 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:3 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1596 (1.5 Kb) TX bytes:252 (252.0 b)
•GigE interface
[user@opte10 user]$ /sbin/ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:00:1A:19:30:80
inet addr:172.20.0.10 Bcast:172.20.255.255
Mask:255.0.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:133469120 errors:0 dropped:0 overruns:0