A New Dispatching Mechanism -- Using Value Classification and Indexing -- for Value Predictors

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 期刊論文 > Item 987654321/60907

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题名:	A New Dispatching Mechanism -- Using Value Classification and Indexing -- for Value Predictors
作者:	Chuang, Po-jen;Chiu, Yu-shian
贡献者:	淡江大學電機工程學系
关键词:	data dependency;instruction-level parallelism;value predictors;prediction accuracy;dispatching mechanism;value clasAsification;value indexing
日期:	2007-01
上传时间:	2011-10-15 01:04:21 (UTC+8)
摘要:	Value prediction can be used to break data dependency between instructions, ensuring simultaneous handling of multiple instructions in processors. When such instruction-level parallelism is lifted, it helps reduce a processor’s idle time and thus enhances the performance. To improve the accuracy of value prediction at low additional cost, this paper presents a new dispatching mechanism with special data value classifications and simple indexing devices. The proposed dispatching mechanism classifies data values based on their distribution patterns to attain more balanced utilization of all prediction entries. Three different value indexing devices are also introduced to set up more sophisticated and precise predicting steps. Experimental evaluation shows that the new dispatching mechanism is able to enhance the accuracy of value predictors at small extra cost.
關聯:	Journal of Information Science and Engineering 23(1), pp.147-166
显示于类别:	[電機工程學系暨研究所] 期刊論文

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