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논문 기본 정보

자료유형
학술저널
저자정보
Yijie Huangfu (Virginia Commonwealth University) Wei Zhang (Virginia Commonwealth University)
저널정보
Korean Institute of Information Scientists and Engineers Journal of Computing Science and Engineering Journal of Computing Science and Engineering Vol.11 No.2
발행연도
2017.6
수록면
69 - 77 (9page)

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초록· 키워드

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Recent GPUs have adopted cache memory to benefit general-purpose GPU (GPGPU) programs. However, unlike CPU programs, GPGPU programs typically have considerably less temporal/spatial locality. Moreover, the L1 data cache is used by many threads that access a data size typically considerably larger than the L1 cache, making it critical to bypass L1 data cache intelligently to enhance GPU cache performance. In this paper, we examine GPU cache access behavior and propose a simple hardware-based GPU cache bypassing method that can be applied to GPU applications without recompiling programs. Moreover, we introduce a hybrid method that integrates static profiling information and hardware- based bypassing to further enhance performance. Our experimental results reveal that hardware-based cache bypassing can boost performance for most benchmarks, and the hybrid method can achieve performance comparable to state-of-the-art compiler-based bypassing with considerably less profiling cost.

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Abstract
I. INTRODUCTION
II. BASELINE GPU ARCHITECTURE
III. MOTIVATION
IV. GPU L1 DATA CACHE BYPASSING
V. EVALUATION METHODOLOGY
VI. EXPERIMENT RESULTS
VII. RELATED WORK
VIII. CONCLUSIONS
REFERENCES

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