[MPICH] Response too slow! running "mpiexec -n 5 cpi"

[章少衡]

hello,
Although the response becomes quick, my formal simulation project still runs in an unbelievably slow speed.
i plan solving the problem by MPE suit.

Here is the old /etc/hosts on 2 nodes:

192.168.1.80    n1.cluster4
192.168.1.81    n2.cluster4
192.168.1.82    n3.cluster4
192.168.1.83    n4.cluster4
192.168.1.84    n5.cluster4
192.168.1.85    n6.cluster4
192.168.1.86    n7.cluster4

192.168.1.45    server4.chang

The following is corrected one:

127.0.0.1    localhost.localdomain    localhost

192.168.1.80    n1.cluster4
192.168.1.81    n2.cluster4
192.168.1.82    n3.cluster4
192.168.1.83    n4.cluster4
192.168.1.84    n5.cluster4
192.168.1.85    n6.cluster4
192.168.1.86    n7.cluster4

192.168.1.45    server4.chang

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