[mpich-discuss] -channel shm

dave waite waitedm at gmail.com
Thu Oct 1 12:43:27 CDT 2009

Using mpich2 on windows, when we run mpiexec using the -localonly -channel
shm options, we see that all cores spin at all times(100% CPU Usage History,
Windows Task Manager).  Without, the -channel shm option, cores show cpu
activity only when they are actively computing.  Is that a way to use the
-channel shm option and not have the infinite spin limit on the cores?


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