"Software-defined Events" that originate from the ECP software stack and are currently treated as black boxes (i.e., communication libraries, math libraries, task-based runtime systems, etc.).Functionality for performance counter analysis at "task granularity" for task-based runtime systems.Performance counter monitoring capabilities for new and advanced ECP hardware, and software technologies.The ECP Exa-PAPI project builds on the latest PAPI project and extends it with: PAPI enables users to see, in near real time, the relations between software performance and hardware events across the entire computer system. CPUs, GPUs, on/off-chip memory, interconnects, I/O system, energy/power, etc.). The Performance Application Programming Interface (PAPI) provides tool designers and application engineers with a consistent interface and methodology for the use of low-level performance counter hardware found across the entire compute system (i.e. ![]() ![]() Counting Floating Point Operations on Intel Sandy Bridge, Ivy Bridge and Haswell.
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