Reusable Sequences in UVM

By Synopsys, Inc.

March 27, 2015

In this blog, I describe the necessary steps one has to take while writing a sequence to make sure it can be reusable. Personally, I feel writing sequences is the most challenging part in verifying any IP. Careful planning is required to write sequences without which we end up writing one sequence for every scenario from scratch. This makes sequences hard to maintain and debug.

As we know, sequences are made up of several data items, which together form an interesting scenario. Sequences can be hierarchical thereby creating more complex scenarios. In its simplest form, a sequence should be a derivative of the uvm_sequence base class by specifying request and response item type parameter and implement body task with the specific scenario you want to execute.

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