this time is spent in MPI_Reduce, it isn't total execution time.
2010/9/9 Terry Frankcombe <terry_at_[hidden]>
> Can you clarify... those timings are what is reported for the reduction
> call specifically, not the total execution time?
> If so, then the difference is, to a first approximation, the time you
> spend sitting idly by doing absolutely nothing waiting at the barrier.
> Dr. Terry Frankcombe
> Research School of Chemistry, Australian National University
> Ph: (+61) 0417 163 509 Skype: terry.frankcombe
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