editorial programming models, languages, and compilers for
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EditorialProgramming Models, Languages, and Compilers for Manycoreand Heterogeneous Architectures
Sunita Chandrasekaran,1 Barbara Chapman,1 Xinmin Tian,2 and Yonghong Yan3
1University of Houston, 4800 Calhoun Road, Houston, TX 77004, USA2Intel Corporation, 2200 Mission College Boulevard, SC12-301, Santa Clara, CA 95052, USA3Oakland University, 2200 N Squirrel Road, Rochester, MI 48309, USA
Correspondence should be addressed to Sunita Chandrasekaran; [email protected]
Received 25 March 2015; Accepted 25 March 2015
Copyright © 2015 Sunita Chandrasekaran et al. This is an open access article distributed under the Creative Commons AttributionLicense, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properlycited.
Aim and Scope. Hardware is emerging rapidly, core countis increasing, and systems consist of large cluster of nodes.These nodes are becoming more heterogeneous, that is,multicore CPUs attached to accelerators meant to addressspecific needs of specific computations. The type of paral-lelism each accelerator offers is quite different from the other.On the other hand, software for such emerging parallel andheterogeneous computing systems is still catching up.The gapbetween hardware and software is growing; it is a challengefor the software developers to keep up with the hardwareadvancements. Thus, there is an urgent need to developand maintain sophisticated software that can not only offerperformance productive solutions but also be applicable to awide range of hardware systems. Some of the promising andwidely used programming solutions include directive-basedprogramming models such as OpenMP, vendor-specificprogramming models such as NVIDIA’s CUDA, OpenCL,and recently emerging programming model, OpenACC.This special issue publishes papers on the evaluations ofthese models for parallel computing with respect to severalfactors including locality-aware scheduling, data transferoptimizations, SIMD vectorization on Phi coprocessors, andprogramming multi-GPU.
Acknowledgments
The editors would like to thank the authors for their tremen-dous effort and time spent on their respective manuscripts.We relied on peer-review process to uphold the quality of
the manuscripts. To this effort, we would like to thankand acknowledge all external reviewers for spending theirvaluable time to provide the authors with valuable feedback.
Sunita ChandrasekaranBarbara Chapman
Xinmin TianYonghong Yan
Hindawi Publishing CorporationScientific ProgrammingVolume 2015, Article ID 376317, 1 pagehttp://dx.doi.org/10.1155/2015/376317
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