[mpiwg-tools] reset a stopped pvar

Junchao Zhang jczhang at mcs.anl.gov
Wed Sep 18 21:05:53 CDT 2013

  What is the right behavior when resetting a stopped pvar? The standard
says setting to its starting value.
  For counters, timers etc, setting them to zero sounds reasonable.
  But for a watermark, setting it to "the current utilization level" looks
weird. It implies that a value caught during the stopped period can affect
its future value when the pvar is re-started.
  Probably, we should reset a stopped watermark to a state as if it has
never been started.
  Any comments?  Thanks
--Junchao Zhang
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