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Introducing speculative optimizations in task dataflow with language extensions and runtime support

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Azuelos, Nathaniel
Etsion, Yoav
Keidar, Idit
Zaks, A.
Ayguadé Parra, EduardMés informacióMés informacióMés informació
Document typeConference report
Defense date2012
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
We argue that speculation leads to increased parallelism in the coarse-grain dataflow paradigm. To do so, we present a framework for adding speculation in a popular and well-established framework. We specify a limited set of additions to the OmpSs language and changes required in its supporting runtime environment. These modifications enable speculation across the system in a flexible way. We evaluate our implementation using a simple benchmark leading to a promising 10% speedup.
CitationAzuelos, N. [et al.]. Introducing speculative optimizations in task dataflow with language extensions and runtime support. A: Workshop on Data-Flow Execution Models for Extreme Scale Computing. "2nd Workshop on Data-Flow Execution Models for Extreme Scale Computing". Minneapolis: 2012, p. 1-4. 
URIhttp://hdl.handle.net/2117/18339
Publisher versionhttp://www.cs.ucy.ac.cy/dfmworkshop/assets/dfm2012/Introducing%20Speculative%20Optimizations%20in%20Task%20Dataflow%20with%20Language%20Extensions%20and%20Runtime%20Support.pdf
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