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Design of Trace-Based Split Array Caches for Embedded Applications

10 years 12 months ago
Design of Trace-Based Split Array Caches for Embedded Applications
—Since many embedded systems execute a predefined set of programs, tuning system components to application programs and data is the approach chosen by many design techniques to optimize performance and power consumption. In this paper, we propose a method based on the analysis of accesses to vector, arrays, and other complex data structures to design a size-constrained two-partition array cache. This method reorganizes the ways of set-associative arrays caches into partitions with different line sizes and defines arraypartition mappings so as to minimize the average memory access energy-delay product. Experimental results have shown that these split array caches have lower average energy-delay product for memory accesses as compared with unified setassociative array caches of the same size. For an MPEG-2 decoder, even with no parallel accesses to cache partitions, the average memory access energy-delay product of an 8K-byte trace-based split array cache is reduced by 50% as compared ...
Alice M. Tokarnia, Marina Tachibana
Added 06 Dec 2010
Updated 06 Dec 2010
Type Conference
Year 2010
Where DSD
Authors Alice M. Tokarnia, Marina Tachibana
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