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Mapping Streaming Languages to General Purpose Processors through Vectorization

  • Conference paper
Book cover Languages and Compilers for Parallel Computing (LCPC 2009)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 5898))

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Abstract

Streaming languages were originally aimed at streaming architectures, but recent work has shown the stream programming model to be useful in exploiting parallelism on general purpose processors. Current research in mapping stream code onto GPPs deals with load balancing and generating threads based on hardware features. We look into improving problems associated with stream data locality and stream data parallelism on GPPs. We suggest that automatically generating vectorized code for these streaming operations is a potential solution. We use the Brook stream language as our syntax base and augment it to generate vector intrinsics targeting the x86 architecture. This compiler uses both existing and new strategies to transform high-level streaming kernel code into vector instructions without requiring additional annotations. We compare our system’s results to existing mapping strategies aimed at using stream code on GPPs. When evaluating performance, we see a wide range of speedups from a few percent to over 2x and discuss the level of effectiveness of using vector code over scalar equivalents in specific application domains.

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Author information

Authors and Affiliations

  1. Trinity College Dublin, Dublin, Ireland

    Raymond Manley & David Gregg

Authors
  1. Raymond Manley
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  2. David Gregg
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Editor information

Editors and Affiliations

  1. Department of Electrical and Computer Engineering, University of Delaware, 19716, Newark, DE, USA

    Guang R. Gao  & Xiaoming Li  & 

  2. Department of Computer and Information Sciences, University of Delaware, 19716, Newark, DE, USA

    Lori L. Pollock  & John Cavazos  & 

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Manley, R., Gregg, D. (2010). Mapping Streaming Languages to General Purpose Processors through Vectorization. In: Gao, G.R., Pollock, L.L., Cavazos, J., Li, X. (eds) Languages and Compilers for Parallel Computing. LCPC 2009. Lecture Notes in Computer Science, vol 5898. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13374-9_7

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  • DOI: https://doi.org/10.1007/978-3-642-13374-9_7

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-13373-2

  • Online ISBN: 978-3-642-13374-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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