TL;DRAbstract
A communication information graph extraction method (CIG-EM) is proposed, which automates the CIG extraction process from the system behavior model to help system designers construct efficient on-chip communication architecture in the early stage of system design. CIG-EM adopts hierarchical control/data flow graph (HCDFG) as the internal representation, and presents the overall design flow from the system specification to the CIG extraction. Besides, CIG-EM introduces M-HCDFG, the extension of HCDFG, to denote the function-PE and variable-memory mapping information. The automated transformation approaches between the three models, HCDFG, M-HCDFG and CIG are also provided. The methodology can smooth the design flow and shorten the turn-around time greatly. For an experiment, this method is applied to JPEG decoder application to validate its correctness and effectiveness.
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A communication information graph extraction method (CIG-EM) is proposed, which automates the CIG extraction process from the system behavior model to help system designers construct efficient on-chip communication architecture in the early stage of system design. CIG-EM adopts hierarchical control/data flow graph (HCDFG) as the internal representation, and presents the overall design flow from the system specification to the CIG extraction. Besides, CIG-EM introduces M-HCDFG, the extension of HCDFG, to denote the function-PE and variable-memory mapping information. The automated transformation approaches between the three models, HCDFG, M-HCDFG and CIG are also provided. The methodology can smooth the design flow and shorten the turn-around time greatly. For an experiment, this method is applied to JPEG decoder application to validate its correctness and effectiveness.
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