Transactional event profiling in a best-effort hardware transactional memory system

Authors:
Matthew Gaudet;José Nelson Amaral
Affiliations:
University of Alberta, Edmonton, AB, Canada;University of Alberta, Edmonton, AB, Canada
Venue:
Proceedings of the 21st international conference on Parallel architectures and compilation techniques
Year:
2012

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Abstract

Blue Gene/Q's (BG/Q) unique transactional memory system provides hardware isolation, atomicity and consistency for memory locations while leaving the details of the transactional programming system to software layers above the hardware [3]. This design allows for complex systems implemented as part of the software runtime. Here a profiling extension to the software runtime is presented.