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2009

Context-oriented software transactional memory in common lisp

8 years 9 months ago
Context-oriented software transactional memory in common lisp
Software transactional memory (STM) is a promising approach for coordinating concurrent threads, for which many implementation strategies are currently being researched. Although some first steps exist to ease experimenting with different strategies, this still remains a relatively complex and cumbersome task. The reason is that software transactions require STM-specific dynamic crosscutting adaptations, but this is not accounted for in current STM implementations. This paper presents CSTM, an STM framework based on Context-oriented Prorgamming, in which transactions are modelled as dynamically scoped layer activations. It enables expressing transactional variable accesses as user-defined crosscutting concerns, without requiring invasive changes in the rest of a program. This paper presents a proof-of-concept implementation based on ContextL for Common Lisp, along with example STM strategies and preliminary benchmarks, and introduces some of ContextL's unique features for context...
Pascal Costanza, Charlotte Herzeel, Theo D'Hondt
Added 17 Feb 2011
Updated 17 Feb 2011
Type Journal
Year 2009
Where DLS
Authors Pascal Costanza, Charlotte Herzeel, Theo D'Hondt
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