As designs become more complex, the only effective way to verify them thoroughly is with constrained-random testing (CRT). This approach elevates you above the tedium of writing individual directed tests, one for each feature in the design. However, if your testbench is taking a random walk through the space of all design states, how do you know if you have reached your destination? Whether you are using random or directed stimulus, you can gauge progress using coverage.
KeywordsFunctional Coverage Port Number Cover Group Code Coverage Cover Point
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