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This paper proposes the ultrafine-grained run-time power gating of on-chip routers, in which the power supply to each router component (e.g., virtual-channel buffer, virtual-channel multiplexer, and crossbar multiplexer and output latch) can be individually controlled based on the applied workload. Since only the router components that are transferring a packet are activated, the leakage power of...
This paper describes adaptive fine-grain control to power gate function units based on temperature dependent break-even time (BET). An analytical model to express the temperature dependent BET is introduced and the accuracy of the model was examined. Results demonstrated that the model well represents the exponential decrease in BET with the temperature. Meanwhile, it was found that the accuracy gets...
In this paper, we design an on-chip memory processor with arithmetic accelerators, which are expected to improve power consumption. In addition, we evaluate the power performance of the processor. We propose implementing vector-type arithmetic accelerators and SIMD-type arithmetic accelerators in the on-chip memory processor. The evaluation results obtained using our simulator indicate that the performance...
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