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1. HPC-oriented Latency Numbers Every P... HPC-oriented Latency Numbers Every Programmer Should Know

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   Latency Comparison Numbers

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   L1 cache reference/hit                       1.5 ns                      4 cycles

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   Floating-point add/mult/FMA operation        1.5 ns                      4 cycles

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   L2 cache reference/hit                       5   ns                      12 ~ 17 cycles