Linux clusters can not offer the same price-performance as supercomputers, according to Paul Terry, chief technology officer of Burnaby, British Columbia-based Cray Canada. In this interview, Terry explains that assertion and describes Cray's new Linux-based XD1 system, which will be priced competitively with other types of high-end Linux clusters.
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The simplest punchline is that HPCC Linpack plus the four HPCC memory-access benchmarks give you data so that you can use the locality characteristics of the computational phases of your applications to predict when you will get Linpack-class performance from a given phase and when you will get much less.
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New Tests Sponsored By Department Of Energy, NSF, DARPA HPCS Program Analyze Memory Access As Well As Processor Performance
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