(This work was done by Vivek Lingegowda during his internship at Intel.)
An old Jewish fable tells about a poor man asking for advice from the rabbi. The family is large, the house is small, and it feels very crowded.
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This article discloses the MSR setting that can be used to control the various hardware prefetchers that are available on Intel processors based on the following microarchitectures: Nehalem,