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Embedded System Cost Optimization via Data Path Width Adjustment
Barry SHACKLEFORD Mitsuhiro YASUDA Etsuko OKUSHI Hisao KOIZUMI Hiroyuki TOMIYAMA Akihiko INOUE Hiroto YASUURA
IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/10/25
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Issue on Synthesis and Verification of Hardware Design)
Category: High Level Synthesis
embedded systems, system on chip, CPU, memory,
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Entire systems embedded in a chip and consisting of a processor, memory, and system-specific peripheral hardware are now commonly contained in commodity electronic devices. Cost minimization of these systems is of paramount economic importance to manufactures of these devices. By employing a variable configuration processor in conjunction with a multi-precision compiler generator, we show that there are situations in which considerable system cost reduction can be obtained by synthesizing a CPU that is narrower than the largest variable in the application program.