Power-Aware Technology Mapping For Lut-Based Fpgas
2002 IEEE INTERNATIONAL CONFERENCE ON FIELD-PROGRAMMABLE TECHNOLOGY (FPT), PROCEEDINGS(2002)
摘要
We present a new power-aware technology mapping technique for LUT-based FPGAs which aims to keep nets with high switching activity out of the FPGA routing network and takes an activily-conscious approach to logic replication. Logic replication is known to be crucial for optimizing depth in technology mapping; an important contribution of our work is to recognize the effect of logic replication on circuit structure and to show its consequences on power. In an experimental study, we examine the power characteristics of mapping solutions generated by several publicly available technology mappers. Results show that for a specific depth of mapping solution, the power consumption can vary considerably, depending on the technology mapping approach used. Furthermore, results show that our proposed mapping algorithm leads to circuits with substantially less power dissipation than previous approaches.
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关键词
field programmable gate arrays,low power electronics,power dissipation
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