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Oracle Solaris Studio 12.3: Performance Analyzer MPI Tutorial Oracle Solaris Studio 12.3 Information Library |
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Oracle Solaris Studio 12.3: Performance Analyzer MPI Tutorial Oracle Solaris Studio 12.3 Information Library |
The Operator control determines how multiple metric values are combined in the chart, and can be set to one of the following values:
Sum - calculates the sum of the selected Metric, which must be one of: Time, Duration, Send/Receive Bytes, or "1"
Maximum - calculates the maximum value of the selected Metric, which must be one of: Time, Duration, Send/Receive Bytes, or "1"
Minimum - calculates the minimum value of the selected Metric, which must be one of: Time, Duration, Send/Receive Bytes, or "1"
Average - calculates the average value of the selected Metric, which must be one of: Time, Duration, Send/Receive Bytes, or “1”
Fair - The Fair operator operates on any type of metric. When many metric values are all assigned to the same chart bin, the Fair operator picks a single one of those values "fairly". For example, suppose that 90% of the MPI messages use the communicator MPI_COMM_WORLD, but 10% of them use a user-defined communicator mycomm. If you create a message chart using "Communicator" as the metric and "Fair" as the operator, the chart would report MPI_COMM_WORLD 90% of the time but mycomm 10% of the time.
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