Philip Taffet
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HPCToolkit is an integrated suite of tools for measurement and analysis of program performance on computers ranging from multicore desktop systems to the nation's largest GPU-accelerated supercomputers. By using statistical sampling of timers and hardware performance counters on CPUs, HPCToolkit collects accurate measurements of a program's CPU work, resource consumption, and inefficiency and attributes them to the full calling context in which they occur. By monitoring GPU operations, gathering instruction
The figure below illustrates HPCToolkit's primary components and their relationships.
Philip Taffet