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Class-based decompressor design for compressed instruction memory in embedded processors

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2 Author(s)
Weiss, Shlomo ; Dept. of Electr. Eng. Syst., Tel Aviv Univ., Israel ; Beren, S.

We introduce a new PLA-based decoder architecture for random-access runtime decompression of compressed instruction memory in embedded systems. The compression method employs class-based coding. The symbol codebook used for decompression is fully programmable; thus, good compression may be achieved by adapting the codebook to the symbol frequency statistics of the target binary program. We show that this new class-based decoder architecture can be extended to provide high throughput decompression.

Published in:

Computers, IEEE Transactions on  (Volume:52 ,  Issue: 11 )