The PowerPC Backend Molen Compiler

摘要

In this paper, we report on the backend C compiler developed to target the Virtex II Pro PowerPC processor and to incorporate the Molen architecture programming paradigm. To verify the compiler, we used the multimedia video frame M-JPEG encoder of which the Discrete Cosine Transform (DCT~*) function was mapped on the FPGA. We obtained an overall speedup of 2.5 against a maximal theoretical speedup of 2.96. The performance efficiency of 84% is achieved using automatically generated but non-optimized DCT~* hardware implementation.