Transcription of Preparing for Optimization 7 - VLSI IP
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Compiler User Guide7 Preparing for Optimization7 This chapter contains the following sections: Defining the Design Environment Selecting a Compile Strategy Setting Design Rule Constraints Setting Optimization Constraints Analyzing the Precompiled DesignPerform the tasks described in these sections before invoking theoptimization Compiler User GuideDefining the Design EnvironmentThe design environment is a set of attributes and constraints thatmodel the environment surrounding the design being design environment includes the following items: The operating conditions The wire load models The system interfaceFigure 7-1 illustrates the commands used to define thedesign 7-1 Commands Used to Define the Design Environmentset_wire_loadset_driveset_dri ving_cellset_fanout_loadset_loadset_oper ating_conditionsset_ Compiler User GuideDefining the Operating ConditionsIn most technologies, variations in operating tem
HOME CONTENTS INDEX / 7-1 v1999.10 Design Compiler User Guide 7 Preparing for Optimization 7 This chapter contains the following sections: • …
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