Data Parallel C++: Mastering DPC++ for Programming of Heterogeneous Systems using C++ and SYCL

© Intel Corporation 2021

J. Reinders et al.Data Parallel C++https://doi.org/10.1007/978-1-4842-5574-2_19

19. Memory Model and Atomics

James Reinders¹ , Ben Ashbaugh², James Brodman³, Michael Kinsner⁴, John Pennycook⁵ and Xinmin Tian⁶

(1)

Beaverton, OR, USA

(2)

Folsom, CA, USA

(3)

Marlborough, MA, USA

(4)

Halifax, NS, Canada

(5)

San Jose, CA, USA

(6)

Fremont, CA, USA

 

Memory consistency is not an esoteric concept if we want to be good parallel programmers. It is a critical piece of our puzzle, helping us to ensure that data is where we need it when we need it and that its values are what we are expecting. This chapter brings to light key things we need to master ...