Because of the ease with which you can set up complex sweep, corner and Monte Carlo simulations, the Virtuoso ADE tools are frequently used to perform verification and regression simulation runs. Those runs are most commonly done by accessing cellviews in read-only mode (RO), so that the “golden” simulation setups are not modified and there is no need to check out the cellviews from the design management (DM) vault.
Opening an ADE XL view in read-only mode allows you to run simulations, but when you exit, the simulation results are deleted. In addition, if any small modifications are made in RO mode—correcting a typo, or adjusting a path—those changes are lost unless you save them to a new cellview, which is inconvenient and can lead to confusion.
In Virtuoso® ADE Assembler and Virtuoso® ADE Explorer, working with maestro views in read-only mode is more powerful and flexible. The added functionality of RO mode also enables Virtuoso® ADE Verifier to run the maestro views it needs for verification so that the end users’ work is not disrupted.(read more)![]()
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