Intel® Quartus® Prime Standard Edition User Guide: Third-party Simulation

ID 683080
Date 9/24/2018

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2.2.4. Increasing Simulation Speed

By default, the ModelSim and QuestaSim software runs in a debug-optimized mode.

To run the ModelSim and QuestaSim software in speed-optimized mode, add the following two vlog command-line switches. In this mode, module boundaries are flattened and loops are optimized, which eliminates levels of debugging hierarchy and may result in faster simulation. This switch is not supported in the ModelSim-Intel FPGA Edition simulator.

vlog -fast -05