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Energy Efficient Loop Unrolling For Low-Cost Fpgas, Naveen Kumar Dumpala
Energy Efficient Loop Unrolling For Low-Cost Fpgas, Naveen Kumar Dumpala
Masters Theses
Many embedded applications implement block ciphers and sorting and searching algorithms which use multiple loop iterations for computation. These applications often demand low power operation. The power consumption of designs varies with the implementation choices made by designers. The sequential implementation of loop operations consumes minimal area, but latency and clock power are high. Alternatively, loop unrolling causes high glitch power. In this work, we propose a low area overhead approach for unrolling loop iterations that exhibits reduced glitch power. A latch based glitch filter is introduced that reduces the propagation of glitches from one iteration to next. We explore …