NDLI: Litmus tests for comparing memory consistency models: How long do they need to be?

Content Provider	IEEE Xplore Digital Library
Author	Mador-Haim, S. Alur, R. Martin, M.M.K.
Copyright Year	2011
Description	Author affiliation: University of Pennsylvania, USA (Mador-Haim, S.; Alur, R.; Martin, M.M.K.)
Abstract	Memory consistency litmus tests are small parallel programs that are designed to illustrate subtle differences between memory consistency models by exhibiting different outcomes for different models. In this paper, we show that for a class of memory models that is restricted yet expressive enough to include all store-atomic hardware memory models, litmus tests of a bounded size are sufficient for illustrating differences between memory consistency models in this class. We establish a bound of two threads and no more than six memory access instructions for differentiating litmus tests in this class of models. Thus, we can prove equivalence of two specification of memory consistency models in this class by exploring a bounded number of litmus tests. We build a tool for comparing memory models based on this result, and we use the tool to explore and map the space of this class of models.
Starting Page	504
Ending Page	509
File Size	183453
Page Count	6
File Format	PDF
ISBN	9781450306362
ISSN	85644924
e-ISBN	9781450306362
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Association for Computing Machinery, Inc. (ACM)
Subject Keyword	Instruction sets Hardware Data models Memory management Space exploration Registers Litmus Tests Memory Consistency Models Concurrency
Content Type	Text
Resource Type	Article

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Litmus tests for comparing memory consistency models: how long do they need to be?

Litmus tests for comparing memory consistency models: how long do they need to be? (2011).

Litmus Tests for Comparing Memory Consistency Models: How Long Do They Need to Be?

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