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Optimizing an Open-Source Processor for FPGAs: A Case Study

Optimizing an Open-Source Processor for FPGAs: A Case Study,10.1109/FPL.2011.107,Lyonel Barthe,Luis Vitorio Cargnini,Pascal Benoit,Lionel Torres

Optimizing an Open-Source Processor for FPGAs: A Case Study  
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Optimizing a processor for FPGA architectures is a challenging task. In this paper, we attempt to bridge the performance gap between commercial and open-source processors by introducing various design and implementation strategies at the register transfer abstraction level, where most optimizations require several design trade-offs to ensure an efficient and proper use of available resources. Using an open- source processor as a case study, we demonstrate the effectiveness of the proposed methods through a set of synthesis and bench- mark results. Index Terms—FPGA-optimized soft-core processor, open- source design.
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