A Tool for Automatically Suggesting Source-Code Optimizations for Complex GPU Kernels

proceedings of the 2015 International Conference on Parallel and Distributed Processing Techniques and Applications, page 589-599 : WORLDCOMP'15, July 27-30, 2015, Las Vegas, Nevada Future computing systems, from handhelds to supercomputers, will undoubtedly be more parallel and heterogeneous t...

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description proceedings of the 2015 International Conference on Parallel and Distributed Processing Techniques and Applications, page 589-599 : WORLDCOMP'15, July 27-30, 2015, Las Vegas, Nevada Future computing systems, from handhelds to supercomputers, will undoubtedly be more parallel and heterogeneous than todays systems to provide more performance and energy efficiency. Thus, GPUs are increasingly being used to accelerate general purpose applications, including applications with data dependent, irregular control flow and memory access patterns. However, the growing complexity, exposed memory hierarchy, incoherence, heterogeneity, and parallelism will make accelerator based systems progressively more difficult to program. In the foreseeable future, the vast majority of programmers will no longer be able to extract additional performance or energy savings from next generation systems be-cause the programming will be too difficult. Automatic performance analysis and optimization recommendation tools have the potential to avert this situation. They embody expert knowledge and make it available to software developers when needed. In this paper, we describe and evaluate such a tool.
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Computer Science - Performance
Computer Science - Software Engineering
title A Tool for Automatically Suggesting Source-Code Optimizations for Complex GPU Kernels
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