<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><DIV>the current implementation of MPI has it that once we pick the ch3 setting during configuration, it become stick in MPICH. If I config MPICH with nemesis, there is no way I can switch off the ative polling when MPI is in progress. I like to request a new capability, either via a new function or via an extra parameter in MPI_Init or something, the following:</DIV>
<DIV> </DIV>
<DIV>nemesis is built the same as ch3:ssm (or shm), the active polling is on by default, and can be</DIV>
<DIV>turned off via a flag or env var, or by calling a specific routine.</DIV>
<DIV> </DIV>
<DIV>With that, we have the option to not do active polling when needed.</DIV>
<DIV> </DIV>
<DIV>thanks</DIV>
<DIV>tan</DIV>
<DIV> </DIV></div><br>
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