Prefetch Distance Control Strategy Based on Cache Behavior in Threaded Prefetching

Huang Yan; Zhang Qi-kun; Duan Zhao-lei; Gu Zhi-min③

doi:10.11999/JEIT141429

Volume 37 Issue 7

Jul. 2015

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Huang Yan, Zhang Qi-kun, Duan Zhao-lei, Gu Zhi-min③. Prefetch Distance Control Strategy Based on Cache Behavior in Threaded Prefetching[J]. Journal of Electronics & Information Technology, 2015, 37(7): 1633-1638. doi: 10.11999/JEIT141429

Citation:

Huang Yan, Zhang Qi-kun, Duan Zhao-lei, Gu Zhi-min③. Prefetch Distance Control Strategy Based on Cache Behavior in Threaded Prefetching[J]. Journal of Electronics & Information Technology, 2015, 37(7): 1633-1638. doi: 10.11999/JEIT141429

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Prefetch Distance Control Strategy Based on Cache Behavior in Threaded Prefetching

doi: 10.11999/JEIT141429

1.
(Department of Software Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China)
2.
(College of Computer and Communication Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China)
3.

Received Date: 2014-11-13
Rev Recd Date: 2015-03-17
Publish Date: 2015-07-19

Abstract

Abstract

Due to the deficiencies in prefetch distance controlling of most threaded data prefetching methods for pointer application, a prefetch distance control strategy based on the cache behavior characteristics is proposed. In this paper, the prefetch distance control model is constructed using the runtime data cache features of pointer applications to reduce cache pollution and system resources contention. By skipping loop-carried independencies data accesses, the task between main thread and helper thread is balanced and the timeliness of threaded prefetching is improved. The experimental results show that the proposed approach can optimize the performance of threaded prefetching mechanism.
- Chip Multi-Processors (CMP),
- Threaded prefetching,
- Helper thread,
- Prefetch ratio,
- Prefetch distance

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References(24)

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