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Performance Analysis of Parallel Applications on Modern Multithreaded Processor Architectures

In this paper, the authors describe the effort they have made to measure performance of applications and synthetic benchmarks with the use of different Simultaneous Multi-Threading (SMT) modes. This specific processor architecture feature is currently available in many petascale HPC systems worldwide. Both IBM Power7 processors available in Power775 (IH) and IBM power A2 processors available in Blue Gene/Q are built upon 4-way simultaneous multithreaded cores. It should be also mentioned that multithreading is predicted to be one of the leading features of future exascale systems available by the end of next decade.

Provided by: University of Wales, Newport Topic: Hardware Date Added: Feb 2013 Format: PDF

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