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Programming Massively Parallel Processors, 4th Edition
book

Programming Massively Parallel Processors, 4th Edition

by Wen-mei W. Hwu, David B. Kirk, Izzat El Hajj
May 2022
Intermediate to advanced
580 pages
18h 32m
English
Morgan Kaufmann
Content preview from Programming Massively Parallel Processors, 4th Edition
Chapter 5

Memory architecture and data locality

Abstract

This chapter introduces the on-chip memory architecture of GPUs, the concept of memory-bound applications, and techniques for improving the performance of memory-bound applications. The chapter uses matrix multiplication to illustrate opportunities for reducing the number of global memory accesses. It then introduces the tiling technique by which barrier synchronization is used to coordinate the timing of executing threads for improved locality and reduced global memory accesses. However, the tiling techniques involve additional complexities in boundary checks. The chapter uses matrix multiplication to illustrate the additional boundary checks that are needed for a tiled kernel to be applicable ...

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Publisher Resources

ISBN: 9780323984638