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논문 기본 정보

자료유형
학술저널
저자정보
Yaobin Wang (Southwest University of Science and Technology) Hong An (University of Science and Technology of China) Zhiqin Liu (Southwest University of Science and Technology) Li Li (Southwest University of Science and Technology) Liang Yu (Southwest University of Science and Technology) Yilu Zhen (Southwest University of Science and Technology)
저널정보
Korean Institute of Information Scientists and Engineers Journal of Computing Science and Engineering Journal of Computing Science and Engineering Vol.9 No.1
발행연도
2015.3
수록면
20 - 28 (9page)

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초록· 키워드

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General purpose computing applications have not yet been thoroughly explored in procedure level speculation, especially in the light-weighted profiling way. This paper proposes a light-weighted profiling mechanism to analyze speculative parallelism characterization in several classic general purpose computing applications from SPEC CPU2000 benchmark. By comparing the key performance factors in loop and procedure-level speculation, it includes new findings on the behaviors of loop and procedure-level parallelism under these applications. The experimental results are as follows. The best gzip application can only achieve a 2.4X speedup in loop level speculation, while the best mcf application can achieve almost 3.5X speedup in procedure level. It proves that our light-weighted profiling method is also effective. It is found that between the loop-level and procedure-level TLS, the latter is better on several cases, which is against the conventional perception. It is especially shown in the applications where their ‘hot’ procedure body is concluded as ‘hot’ loops.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. RELATED WORK
Ⅲ. SPECULATION MODEL
Ⅳ. PROFILING MECHANISM
Ⅴ. EXPERIMENT ANALYSIS
Ⅵ. CONCLUSIONS
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