man: mcexec: add "-n <ppn>" option mandatory when using MPI (except Fujitsu MPI)
Change-Id: I6d2d0337fdab13325642344529401f86bbadfdcd
This commit is contained in:
committed by
Masamichi Takagi
parent
c55a02ffba
commit
1bfa339ccf
@ -22,11 +22,15 @@ are described below.
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.TP
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.TP
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.B -n N
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.B -n N
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Specify the number of MPI ranks run on the node.
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Specify the number of MPI ranks run on the node when using MPI (except Fujitsu MPI).
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e.g.,
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For example,
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.br
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$ mpirun -n 32 -ppn 4 mcexec -n 4 ./a.out
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$ mpirun -n 32 -ppn 4 mcexec -n 4 ./a.out
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In the above example, the ./a.out program runs on eight nodes each of
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.br
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the ./a.out program runs on eight nodes each of
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which has four processes.
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which has four processes.
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You must specify this option when using MPI (except Fujitsu MPI).
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Undefined behavior entails if not.
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.TP
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.TP
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.B -t N
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.B -t N
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