This content is available for: Workshop Reg Pass. Upgrade Registration
An Event Model for Trace-Based Performance Analysis of MPI Partitioned Point-to-Point Communication
DescriptionThe MPI 4.0 standard introduced the concept of partitioned point-to-point communication. One facet that may help in encouraging application developers to use this new concept in their programs is the availability of proper tool support in a timely manner. We therefore propose nine new events extending the OTF2 event model to accurately represent the runtime behavior of partitioned point-to-point communication. We then demonstrate the suitability of these extensions with three different use cases in the context of performance analysis. In particular, we showcase a prototype implementation of an extended waitstate analysis in the Scalasca trace analyzer, and discuss further potential use cases in the realm of trace visualization and simulation.
Event Type
TimeSunday, 12 November 202310:30am - 10:54am MST
Performance Measurement, Modeling, and Tools
Programming Frameworks and System Software
Registration Categories