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Content Provider | ACM Digital Library |
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Author | Morozov, Vitali A. Meng, Jiayuan Uram, Thomas D. Kumaran, Kalyan Vishwanath, Venkatram |
Abstract | We propose GROPHECY, a GPU performance projection framework that can estimate the performance benefit of GPU acceleration without actual GPU programming or hardware. Users need only to skeletonize pieces of CPU code that are targets for GPU acceleration. Code skeletons are automatically transformed in various ways to mimic tuned GPU codes with characteristics resembling real implementations. The synthesized characteristics are used by an existing analytical model to project GPU performance. The cost and benefit of GPU development can then be estimated according to the transformed code skeleton that yields the best projected performance. With GROPHECY, users can leap toward GPU acceleration only when the cost-benefit makes sense. The framework is validated using kernel benchmarks and data-parallel codes in legacy scientific applications. The measured performance of manually tuned codes deviates from the projected performance by 17% in geometric mean. |
Starting Page | 1 |
Ending Page | 11 |
Page Count | 11 |
File Format | |
ISBN | 9781450307710 |
DOI | 10.1145/2063384.2063402 |
Language | English |
Publisher | Association for Computing Machinery (ACM) |
Publisher Date | 2011-11-12 |
Publisher Place | New York |
Access Restriction | Subscribed |
Content Type | Text |
Resource Type | Article |
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