Chapter 7

Programming overview for Knights Landing

Abstract

Discusses the keys to effective parallel programming. While getting maximal performance from Knights Landing is largely the same challenge as with any processor, the challenge of parallel programming remains. The basics of managing parallelism at the domain, thread, data, and locality levels are discussed. The provocative “To Refactor, or Not to Refactor” question is examined.

Keywords

OpenMP; Threading building blocks; Vectorization; MPI; AVX-512 intrinsics; Code modernization

What is new with Knights Landing in this chapter?

Knights Landing is a processor fully able to benefit from all standards for exploiting the full capabilities of processors. More attention to optimizations, ...

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