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IUS 10.2 irun - how to re-run an already compiled snapshot

cubicle82

Under the old 3-step process (ncvlog+ncelab+ncsim), I could compile the testbench once.  Then call ncsim multiple times to run the sim again(without recompiling.)

How do I do that with irun? What are the proper command-line switches?

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  • There are 2 options you can use depending on exactly what you are trying to achieve: 
      -R                         Simulate using the last ncelab generated snapshot
      -r <snapshot name>         Force simulation using snapshot
     
    -R is useful if you are in the same directory as the original compile and elaborate was done (probably using -elaborate)
     
    -r <snapshot name> is more general version of -R that allows you to specify the snapshot to use (this is useful for EManager regressions where the snapshot is compiled and elaborated in a central location then simulated by each test).
     
    Hope that helps,
     
    Stewart 
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  • There are 2 options you can use depending on exactly what you are trying to achieve: 
      -R                         Simulate using the last ncelab generated snapshot
      -r <snapshot name>         Force simulation using snapshot
     
    -R is useful if you are in the same directory as the original compile and elaborate was done (probably using -elaborate)
     
    -r <snapshot name> is more general version of -R that allows you to specify the snapshot to use (this is useful for EManager regressions where the snapshot is compiled and elaborated in a central location then simulated by each test).
     
    Hope that helps,
     
    Stewart 
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