Parity-Based Mono-Copy Cache for Low Power Consumption and High Reliability

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Hardware
Format: PDF
The power consumption is one of the most important preoccupations of the chip designers. However, reducing power consumption has its negative impact on the circuit. For example, reducing the supply voltage of a microprocessor implies an increase in the probability of process-variation-induced failures. Fault tolerant architectures propose a trade-off by boosting the reliability while reducing power consumption. Since a large part of the microprocessor power is consumed by the cache memory, the authors propose in this paper the Parity-based mono-Copy Cache (PmC2) that maintains cache reliability under aggressive voltage scaling.
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