Teuchos: add hooks to disable/reenable stacked timers for async tasks. #9249
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rppawlo
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PhilMiller
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bathmatt
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Jun 9, 2021
| // std::put_time. We'll disable this feature for gcc 4. | ||
| #endif | ||
| if (enable_verbose_) { | ||
| if (!verbose_timestamp_levels_) { |
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This should be out of the enable_timers iff i feel. thoughts?
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good point! I'll do that.
| { | ||
| timer.start("Prec"); | ||
| std::this_thread::sleep_for(std::chrono::milliseconds{10}); | ||
| timer.stop("Prec"); |
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Pleast stop solve out of order to test since that is the use case
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Motivation
We have applications that are now using cuda streams. If tasks are launched asynchronously, the stop() call to stacked timers can trigger errors due to stopping out of sequence. We've added a method to pause timers by making the start() and stop() methods no-op. A second method can reenable. This will be used to pause timers when using tasking with cuda streams.
EMPIRE 1088
Stakeholder Feedback
Fixes issue!
Testing
new unit test added to packages/teuchos/comm/tests/stacked_timer.cpp