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2篇 您的检索式：作者名="Shengen Yan"

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		题名	作者	年代	出处	被引量
	1	Reduction Algorithm Optimization Based on the OpenCL 显示文摘	YAN Shengen ZHANG Yunquan LONG Guoping	2011	Journal of Software2011，22，12：	1
	2	Parallelization and Performance Optimization on Face Detection Algorithm with OpenCL: A Case Study显示文摘Face detect application has a real time need in nature. Although Viola-Jones algorithm can handle it elegantly, today's bigger and bigger high quality images and videos still bring in the new challenge of real time needs. It is a good idea to parallel the Viola-Jones algorithm with OpenCL to achieve high performance across both AMD and NVidia GPU platforms without bringing up new algorithms. This paper presents the bottleneck of this application and discusses how to optimize the face detection step by step from a very nave implementation. Some brilliant tricks and methods like CPU execution time hidden, stubbles usage of local memory as high speed scratchpad and manual cache, and variable granularity were used to improve the performance. Those technologies result in 4-13 times speedup varying with the image size. Furthermore, those ideas may throw on some light on the way to parallel applications efficiently with OpenCL. Taking face detection as an example, this paper also summarizes some universal advice on how to optimize OpenCL program, trying to help other applications do better on GPU.	Weiyan Wang Yunquan Zhang Shengen Yan Ying Zhang Haipeng Jia	2012	Tsinghua Science and Technology2012，17，3：	1

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