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colanderman
on Oct 17, 2014
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Disclosure of H/W prefetcher control on some Intel...
Presumably disable. They are enabled by default, and the suggested use is to disable for more reliable benchmarking.
x0x0
on Oct 17, 2014
[–]
Unless you plan to run with these disabled, how would disabling them during benchmarking possibly improve the relevance of the benchmarks? And if the benchmarks aren't relevant, why benchmark?
colanderman
on Oct 17, 2014
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If, e.g., you're trying to benchmark the memory itself, and not the processor's prefetch algorithm.
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