UVM_FACTORY

UVM
Concept of UVM Factory
ByThe Art of Verification March 24, 2021July 21, 2026
In short: The UVM factory is a lookup table that decides which class to build when you ask for an object. You register a class once, always build with create() instead of new(), and then you can replace any class with a subclass from the test without editing the code that builds it. That is…
Read More Concept of UVM Factory
UVM
Callbacks Vs Factory
ByThe Art of Verification March 24, 2021July 17, 2026
In short: Callbacks and the factory both help you reuse UVM code, but they solve different problems. A callback adds a small piece of behaviour at a fixed point inside a component you keep as-is, which is ideal for error injection or a locked third-party VIP. A factory override swaps a whole component or object…
Read More Callbacks Vs Factory