MPI-hybrid Parallelism for Volume Rendering on Large, Multi-core Systems

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dc.contributor.authorHowison, Marken_US
dc.contributor.authorBethel, E. Wesen_US
dc.contributor.authorChilds, Hanken_US
dc.contributor.editorJames Ahrens and Kurt Debattista and Renato Pajarolaen_US
dc.date.accessioned2014-01-26T16:53:09Z
dc.date.available2014-01-26T16:53:09Z
dc.date.issued2010en_US
dc.description.abstractThis work studies the performance and scalability characteristics of hybrid parallel programming and execution as applied to raycasting volume rendering a staple visualization algorithm on a large, multi-core platform. Historically, the Message Passing Interface (MPI) has become the de-facto standard for parallel programming and execution on modern parallel systems. As the computing industry trends towards multi-core processors, with fourand six-core chips common today and 128-core chips coming soon, we wish to better understand how algorithmic and parallel programming choices impact performance and scalability on large, distributed-memory multi-core systems. Our findings indicate that the hybrid-parallel implementation, at levels of concurrency ranging from 1,728 to 216,000, performs better, uses a smaller absolute memory footprint, and consumes less communication bandwidth than the traditional, MPI-only implementation.en_US
dc.description.seriesinformationEurographics Symposium on Parallel Graphics and Visualizationen_US
dc.identifier.isbn978-3-905674-21-7en_US
dc.identifier.issn1727-348Xen_US
dc.identifier.urihttps://doi.org/10.2312/EGPGV/EGPGV10/001-010en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectCategories and Subject Descriptors (according to ACM CCS): D.1.3 [Programming Techniques]: Concurrent Programming-Parallel programming, F.1.2 [Computation by Abstract Devices]: Modes of Computation- Parallelism and concurrency, I.3.3 [Computer Graphics]: Picture/Image Generation-Display algorithmsen_US
dc.titleMPI-hybrid Parallelism for Volume Rendering on Large, Multi-core Systemsen_US
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EGPGV10: Eurographics Symposium on Parallel Graphics and Visualization