Web带时序的后仿，一定要注意仿真器是否关闭了notimingcheck和nospecify的选项。如果有nospecify，那么SDF中的时序信息就反标不到仿真模型中（仿真模型的时序类型定义在specify block中）；如果有notimingcheck，那么后仿过程中就不检查时序违例，后仿就失去了最大的意义。 http://www.deepchip.com/items/0385-03.html

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WebAug 18, 2024 · Notice: timing checks disabled with +notimingcheck at compile-time Chronologic VCS simulator copyright 1991-2024 Contains Synopsys proprietary … Web% ncverilog +delay_mode_distributed +notimingcheck +noneg_tchk. or % ncelab –delay_mode dist –notimingchecks –noneg_tchk. The global options regarding timing are also listed below: ncverilog option ncelab option +nonotifier … camp invention bellingham ma

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WebFeb 23, 2011 · Q) I used to think that for prelayout gate level netlist , we can use nospecify and notimingcheck option to run simulation to verify wihtout sdf annotated . But I used these two option for both ncverilog and vcs , and result turn out to be different. Ncverilog failed while vcs passed. WebThis white paper explores new simulator use models and methodologies that boost GLS productivity, including extraction via static timing analysis and linting. Using these approaches, designers can focus on verifying real gate-level issues rather than waste expensive simulation cycles on re-verifying working circuits. WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. camp invention champaign il