GLSVLSI '06 Proceedings of the 16th ACM Great Lakes symposium on VLSI
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Communication components (address, instruction, anddata buses and associated hardware like I/O pins, pads,and buffers) are contributing increasingly to the area/costand power consumption of microprocessor systems. To decreasecosts due to address buses, we propose to use narrowwidths for underutilized buses (hardware-only compression)to transmit information in multiple cycles. Weanalyze performance and power consumption overheadsof hardware-only compression and investigate the use of"address concatenation" to mitigate performance loss andaddress offsets and XORs to reduce power consumptionoverheads.