PerformanceTester(MPI_Comm comm) :
enabledTimerSet(CHILDMASK1),
rootTimer(createRootTimer("totalTestRuntime", enabledTimerSet)),
childTimer("timed algorithm", CHILDMASK1, rootTimer),
communicator(comm),
duration(0.0)
{
rootTimer.start();
}
ImbalanceTimings measure_imbalance(MPI_Comm communicator, FUNCTION do_work)
{
enum {CHILDMASK1 = 1};
stk::diag::TimerSet enabledTimerSet(CHILDMASK1);
stk::diag::Timer rootTimer = createRootTimer("totalTestRuntime", enabledTimerSet);
rootTimer.start();
stk::diag::Timer childTimer1("childTimer1", CHILDMASK1, rootTimer);
{
stk::diag::TimeBlockSynchronized timerStartSynchronizedAcrossProcessors(childTimer1, communicator);
do_work();
}
float time = childTimer1.getMetric<stk::diag::WallTime>().getAccumulatedLap(false);
ImbalanceTimings timings(communicator, time);
stk::diag::deleteRootTimer(rootTimer);
return timings;
}