Electronics > Beginners
how to change run length at ModelSim.
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hatokay:
hey guys, dose someone has any idea how to change the run length time at the software ModelSim form ns (nano seconds) to ps (pico  seconds).
i have 10.4a version and i have the run length thing stuck on ns when i need ps.

thx for the help.
Bassman59:

--- Quote from: hatokay on January 04, 2019, 04:04:21 pm ---hey guys, dose someone has any idea how to change the run length time at the software ModelSim form ns (nano seconds) to ps (pico  seconds).
i have 10.4a version and i have the run length thing stuck on ns when i need ps.

thx for the help.

--- End quote ---

That's not the "run length." That's the simulator resolution.

Create a Simulation Configuration. (Right-click in the Project area, choose "Add To Project," choose "Simulation Configuration.") Give your configuration a name. Choose the top-level entity and architecture (generally your test bench file's entity). You should see "Resolution" in the lower-right corner. It is usually set to "Default." Change it to whatever you like.

When you double-click on a Simulation Configuration, the vsim command is executed. But the simulation has not started running yet. Add signals to the waveform viewer and the type

run {runtime}

into the transcript/terminal window. You can give that run time any units you like, like for instance run 10 ms simulates the first 10 milliseconds.
hatokay:

--- Quote from: Bassman59 on January 04, 2019, 11:26:39 pm ---
--- Quote from: hatokay on January 04, 2019, 04:04:21 pm ---hey guys, dose someone has any idea how to change the run length time at the software ModelSim form ns (nano seconds) to ps (pico  seconds).
i have 10.4a version and i have the run length thing stuck on ns when i need ps.

thx for the help.

--- End quote ---

That's not the "run length." That's the simulator resolution.

Create a Simulation Configuration. (Right-click in the Project area, choose "Add To Project," choose "Simulation Configuration.") Give your configuration a name. Choose the top-level entity and architecture (generally your test bench file's entity). You should see "Resolution" in the lower-right corner. It is usually set to "Default." Change it to whatever you like.

When you double-click on a Simulation Configuration, the vsim command is executed. But the simulation has not started running yet. Add signals to the waveform viewer and the type

run {runtime}

into the transcript/terminal window. You can give that run time any units you like, like for instance run 10 ms simulates the first 10 milliseconds.

--- End quote ---

thank you so much man! you helped me alot
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