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Michal Kapalka

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Publications associées (25)

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Stretching Transactional Memory

Rachid Guerraoui, Michal Kapalka, Aleksandar Dragojevic

Transactional memory (TM) is an appealing abstraction for programming multi-core systems. Potential target applications for TM, such as business software and video games, are likely to involve complex data structures and large transactions, requiring speci ...

2009

Transactions in the Jungle

Rachid Guerraoui, Michal Kapalka, Vasu Singh

Transactional memory (TM) has shown potential to simplify the task of writing concurrent programs. However, the semantics of interactions between transactions managed by a TM and non-transactional operations, while widely studied, lacks a clear formal spec ...

2009

The Semantics of Progress in Lock-Based Transactional Memory

Rachid Guerraoui, Michal Kapalka

Transactional memory (TM) is a promising paradigm for concurrent programming. Whereas the number of TM implementations is growing, however, little research has been conducted to precisely define TM semantics, especially their progress guarantees. This pape ...

2008

On the Correctness of Transactional Memory

Rachid Guerraoui, Michal Kapalka

Transactional memory (TM) is perceived as an appealing alternative to critical sections for general purpose concurrent programming. Despite the large amount of recent work on TM implementations, however, very little effort has been devoted to precisely def ...

2008

Dividing Transactional Memories by Zero

Rachid Guerraoui, Michal Kapalka, Aleksandar Dragojevic

Software transactional memory (STM) is a promising technique for writing concurrent programs. So far, most STM approaches have been experimentally evaluated with small-scale microbenchmarks. In this paper, we present several surprising results from impleme ...

2008

On Obstruction-Free Transactions

Rachid Guerraoui, Michal Kapalka

This paper studies obstruction-free software transactional memory systems (OFTMs). These systems are appealing, for they combine the atomicity property of transactions with a liveness property that ensures the commitment of every transaction that eventuall ...

ACM2008

On Obstruction-Free Transactions

Rachid Guerraoui, Michal Kapalka

2008

Stretching Transactional Memory

Rachid Guerraoui, Michal Kapalka, Aleksandar Dragojevic

2008

STMBench7: A Benchmark for Software Transactional Memory

Rachid Guerraoui, Michal Kapalka

Software transactional memory (STM) is a promising technique for controlling concurrency in modern multi-processor architectures. STM aims to be more scalable than explicit coarse-grained locking and easier to use than fine-grained locking. However, STM im ...

2007

Opacity: A Correctness Condition for Transactional Memory

Rachid Guerraoui, Michal Kapalka

Transactional memory is perceived as an appealing alternative to critical sections for general purpose concurrent programming. Despite the large amount of recent work on transactional memory implementations, however, its actual specification has never been ...

2007