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Filtering drowsy instruction cache to achieve better efficiency. Roberto Giorgi. University of Siena - Via Roma, 56. 53100 Siena – Italy +39 0577 234630 giorgi@dii.unisi.it. Paolo Bennati. University of Siena - Via Roma, 56. 53100 Siena – Italy +39 0577 233601 bennati@dii.unisi.it. ABSTRACT. Leakage power in cache
According to our projections, in a 70-nm complementary metal-oxide-semiconductor process, drowsy data caches will be able to reduce the total leakage energy consumed in the caches by 60%-75%. In addition, we extend the drowsy cache concept to reduce leakage power of instruction caches without significant impact
drowsy mode. When in drowsy mode, the information in the cache line is preserved; however, the line must be reinstated to a high-power mode before its .. instruction. The impact of increased transition latencies is shown in. Figure 4. The top graph in the figure shows the impact of doubled wakeup latency using the simple
Abstract. As technology scales down, the leakage energy accounts for more portion of total energy in a cache. Applying the Dynamic Voltage Scaling(DVS) to a cache, which is called a drowsy cache, is known as one of the most efficient techniques for reducing leakage energy in a cache. However, it increases the Soft Error
13 Jan 2015 for instruction/data caches, instruction access stream exhibits strong spatial and . instruction cache. It works by reusing the retired instructions from the pipeline back-end of a processor to efficiently deliver instructions in the form of traces. .. both of which behave similar to the drowsy cache, except that.
Drowsy Instruction Caches: Leakage Power Reduction using Dynamic Voltage Scaling and Cache Sub-bank Prediction. Research paper. On-chip caches represent a sizeable fraction of the total power consumption of microprocessors. Although large caches can significantly improve performance, they have the potential to
17 Jan 2014 Research dealing with the drowsy cache has mainly focused on the energy reduction, while this work focuses on the performance improvement of the drowsy cache by reducing the extra cycles to wake up the drowsy cache lines. For instruction caches, a wakeup prediction technique based on branch
the drowsy cache concept to reduce leakage power dissipation of instruction caches without significant impact on execution time. Our results show that data and instruction caches require different control strategies for efficient execution. In order to enable drowsy instruction caches, we propose a technique called cache
25 May 2002 Nam Sung Kim , Krisztian Flautner , David Blaauw , Trevor Mudge, Drowsy instruction caches: leakage power reduction using dynamic voltage scaling and cache sub-bank prediction, Proceedings of the 35th annual ACM/IEEE international symposium on Microarchitecture, November 18-22, 2002, Istanbul,
Drowsy instruction caches. Leakage power reduction using dynamic voltage scaling and cache sub-bank prediction. Abstract: On-chip caches represent a sizeable fraction of the total power consumption of microprocessors. Although large caches can significantly improve performance, they have the potential to increase
     

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