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Archives for September 2014

September 11, 2014, Filed Under: Algorithms, Performance

Memory Bandwidth Requirements of the HPL benchmark

The High Performance LINPACK (HPL) benchmark is well known for delivering a high fraction of peak floating-point performance. The (historically) excellent scaling of performance as the number of processors is increased and as the frequency is increased suggests that memory bandwidth has not been a performance limiter. But this does… read more 

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accelerated computing arithmetic cache communication configuration coprocessor Distributed cache DRAM Hash functions high performance computing Knights Landing memory bandwidth memory latency microprocessors MMIO MTRR Multicore processors Opteron STREAM benchmark synchronization TLB Virtual Memory Xeon Phi

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