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Published in:
2009 | OriginalPaper | Chapter
Transactional Memory Today: A Status Report
Author : Maurice Herlihy
Published in: Principles of Distributed Systems
Publisher: Springer Berlin Heidelberg
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The term “Transactional Memory” was coined back in 1993, but even today, there is a vigorous debate about its merits. This debate sometimes generates more heat than light: terms are not always well-defined and criteria for making judgments are not always clear.
In this talk, I will try to impose some order on the conversation. TM itself can encompass hardware, software, speculative lock elision, and other mechanisms. The benefits sought encompass simpler implementations of highly-concurrent data structures, better software engineering for concurrent platforms, enhanced performance, and reduced power consumption. We will look at various terms in this cross-product and evaluate how we are doing. So far.