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MuCCRA-cube is a scalable three dimensional dynamically reconfigurable processor. By stacking multiple dies connected with inductive-coupling links, the number of PE array can be increased so that the required performance is achieved. A prototype chip with 90 nm CMOS process consisting of four dies each of which has a 4 times 4 PE array was implemented. The vertical link achieved 7.2Gb/s/chip, and...
One of the benefits of coarse grained dynamically reconfigurable processor array(DRPA) is its low dynamic power consumption by operating a number of processing elements(PE) in parallel with low clock frequency. However, in the future advanced processes, leakage power will occupy a considerable part of the total power consumption, and it may degrade the advantage of DRPAs. In order to reduce the leakage...
In multi-context dynamically reconfigurable processor array (DRPA), the required number of contexts is often increased by those with low resource usage. In order to execute such contexts without wasting a context memory, we propose a new execution mode called instruction buffer mode in addition to the normal multi-context mode. In this mode, a configuration code from the central configuration memory...
The power consumption of dynamically reconfigurable processing array (DRPA) is quantitatively analyzed by using a real chip layout and applications taking into account the reconfiguration power. Evaluation result shows that processing power for PEs is dominant and reconfiguration power is about 20.7% of the total dynamic power consumption. Based on the above evaluation results, we proposed two dynamic...
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