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When creating architectural tools, it is essential to know whether the generated results make sense. Comparing a toolpsilas outputs against hardware performance counters on an actual machine is a common means of executing a quick sanity check. If the results do not match, this can indicate problems with the tool, unknown interactions with the benchmarks being investigated, or even unexpected behavior...
IBM's Blue Gene/P, the second generation of the Blue Genesupercomputer is designed with a Universal Performance Counter (UPC) Unit at each node capable of monitoring 256 events concurrently, unlike many microprocessors that provide only a few performance counters. In this paper we demonstrate the efficacy of the interface library that we have developed, taking advantage of the UPC unit, enabling users...
Performance evaluation techniques for fundamental graphics algorithms and for algorithms to be used in multimedia and embedded systems are investigated. Models of computation considering only arithmetic and logic operations taken on input data are regarded as inadequate for processors with instruction-level parallelism. For experimental evaluation of graphics algorithms clock-cycle counting is found...
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