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What is Instruction-Level Parallelism (ILP)

Chapter 12

Handbook of Research on Scalable Computing Technologies

ILP is a measure of how many of the instructions in a computer program can be computed simultaneously.

Published in Chapter:

Programmability and Scalability on Multi-Core Architectures

Jaeyoung Yi (Yonsei University, Korea), Yang J. Jang (Yonsei University, Korea), Doohwan Oh (Yonsei University, Korea), and Won W. Ro (Yonsei University, Korea)

Source Title: Handbook of Research on Scalable Computing Technologies

DOI: 10.4018/978-1-60566-661-7.ch012

Abstract

In this chapter, we will describe today’s technological trends on building a multi-core based microprocessor and its programmability and scalability issues. Ever since multi-core processors have been commercialized, we have seen many different multi-core processors. However, the issues related to how to utilize the physical parallelism of cores for software execution have not been suitably addressed so far. Compared to implementing multiple identical cores on a single chip, separating an original sequential program into multiple running threads has been an even more challenging task. In this chapter, we introduce several different software programs which can be successfully ported on the future multi-core based processors and describe how they could benefit from the multi-core systems. Towards the end, the future trends in the multi-core systems are overviewed.

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