Chapter 6

μarch optimization advice

Abstract

Tuning advice that is specific to the Knights Landing design, which is known as the microarchitecture and is abbreviated as μarch. Focuses on tuning advice arising specifically from the Knights Landing μarch design when compared with the Knights Corner μarch (found in the first-generation Intel Xeon Phi products) or the μarch of a recent Intel® Xeon® processor.

Keywords

AVX2; AVX-512; Gather; Scatter; Threads per core; Cache modes; High bandwidth memory; MCDRAM. IMCI

What is new with Knights Landing in this chapter?

This chapter is exclusively about Knights Landing, including advice on how to deal with differences from the prior Intel Xeon Phi product (Knights Corner).

This chapter offers advice ...

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