Building a Better Virtual Sequence with Portable Stimulus

December 12, 2018 //By Mentor Graphics
Building a Better Virtual Sequence with Portable Stimulus
When using the Universal Verification Methodology (UVM), sequences are the primary mechanism by which stimulus is generated in the testbench. Sequences come in two flavors: simple sequences for driving a single interface and virtual sequences that control more complex behavior. Simple sequences tend to work with a single sequence item, while virtual sequences often spawn off multiple sub-sequences to accomplish their intended task. Good virtual sequences are challenging to create, and even more challenging to reuse in a way not explicitly intended by the original author. This article will walk through an example showing how a portable stimulus applies to create scenarios for a DMA engine.
Mentor Graphics, UVM, Portable Stimulus

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