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Quantitative Evaluation of State-Preserving Leakage Reduction Algorithm for L1 Data Caches
Vasily G. MOSHNYAGA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E88-A No.4 pp.862-868
Publication Date: 2005/04/01
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 17th Workshop on Circuits and Systems in Karuizawa)
Full Text: PDF(1012.4KB)
As the transistor feature sizes and threshold voltages reduce, leakage energy consumption has become an inevitable issue for high-performance microprocessor designs. Since on-chip caches are major contributors of the leakage, a number of researchers have proposed efficient leakage reduction techniques. However, it is still not clear that 1) what kind of algorithm can be considered and 2) how much they have impact on energy and performance. To answer these questions, we explore run-time cache management algorithm, and evaluate the energy-performance efficiency for several alternatives.