Making the Fast Case Common and the Uncommon Case Simple in Unbounded Transactional Memory

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Provided by: Association for Computing Machinery
Topic: Hardware
Format: PDF
Hardware transactional memory has great potential to simplify the creation of correct and efficient multithreaded programs, allowing programmers to exploit more effectively the soon-to-be-ubiquitous multi-core designs. Several recent proposals have extended the original bounded transactional memory to unbounded transactional memory, a crucial step toward transactions becoming a general-purpose primitive. Unfortunately, supporting the concurrent execution of an unbounded number of unbounded transactions is challenging, and as a result, many proposed implementations are complex. This paper explores a different approach.
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