Title | ||
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Future cache design using STT MRAMs for improved energy efficiency: Devices, circuits and architecture |
Abstract | ||
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Spin-transfer torque magnetic RAM (STT MRAM) has emerged as a promising candidate for on-chip memory in future computing platforms. We present a cross-layer (device-circuit-architecture) approach to energy-efficient cache design using STT MRAM. At the device and circuit levels, we consider different genres of MTJs and bitcells, and evaluate their impact on the area, energy and performance of caches. In addition, we propose microarchitectural techniques viz. sequential cache read and partial cache line update, which exploit the non-volatility of STT MRAM to further improve energy efficiency of STT MRAM caches. A detailed comparison of STT MRAM caches with SRAM-based caches is also presented. Our results indicate that the proposed optimizations significantly enhance the efficiency of STT MRAM for designing lower level caches. |
Year | DOI | Venue |
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2012 | 10.1145/2228360.2228447 | DAC |
Keywords | Field | DocType |
future cache design,stt mram caches,mram devices,memory,cache,sequential cache read,stt mram,cache storage,lower level cache,partial cache line update,cross-layer approach,mtj,bitcells,sram chips,energy conservation,stt mrams,detailed comparison,cache design,circuit level,energy-efficient cache design,device-circuit-architecture approach,cache performance,stt mram cache,integrated circuit design,cache area,microarchitectural techniques,future computing platforms,sram-based cache,improved energy efficiency,spin,energy efficiency,cache energy,spin-transfer torque magnetic ram,emerging devices,sequential cache,on-chip memory,transistors,energy efficient,chip,switches,system on a chip | System on a chip,CPU cache,Cache,Efficient energy use,Computer science,Magnetoresistive random-access memory,Static random-access memory,Integrated circuit design,Energy consumption,Embedded system | Conference |
ISSN | ISBN | Citations |
0738-100X | 978-1-4503-1199-1 | 37 |
PageRank | References | Authors |
1.68 | 9 | 5 |
Name | Order | Citations | PageRank |
---|---|---|---|
Sang Phill Park | 1 | 535 | 31.56 |
Sumeet Gupta | 2 | 1106 | 57.47 |
Niladri Narayan Mojumder | 3 | 66 | 5.38 |
Anand Raghunathan | 4 | 5375 | 415.27 |
Kaushik Roy | 5 | 1531 | 142.83 |