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StressTest

Tool

StressTest is a microprocessor verification tool based on feedback-adjusted Markov models. It optimizes stimulus constraints during simulation by observing engineer-specified probe nodes in the design under verification and using closed-loop feedback to steer generation toward stimuli that increase switching activity and improve coverage compared with random generation.

First seen 5/28/2026
Last seen 7/14/2026
Evidence 4 chunks
Wiki v1

WIKI

Overview

StressTest is a verification tool proposed for microprocessor verification. It is described as being based on feedback-adjusted Markov Models and is used to optimize stimulus generation during simulation.

Method

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RELATIONSHIPS

4 connections
AI based SystemVerilog TB generation ← mentions 100% 2e
The paper discusses the StressTest tool as an example of Markov-model-based verification.
The StressTest tool is the implementation described in the paper by Wagner et al.
Feedback-Adjusted Markov Model uses → 100% 2e
StressTest is driven by a feedback-adjusted Markov model for random instruction generation.
Markov Model Stimulus Generation implements → 95% 1e
StressTest is a tool based on feedback-adjusted Markov Models for microprocessor verification.

CITATIONS

4 sources
4 citations — click to collapse
[1] StressTest is a tool based on feedback-adjusted Markov Models proposed for microprocessor verification. [PDF] UVM-based verification of RISC-V superscalar processors
[2] StressTest performs on-the-fly optimization of stimulus constraints and requires engineer assistance to provide a template identifying points of interest or probe nodes in the design under verification. [PDF] UVM-based verification of RISC-V superscalar processors
[3] During simulation, StressTest observes probe-node activity and uses closed-loop feedback to steer the generator toward stimuli that create higher switching activity at the probing points. [PDF] UVM-based verification of RISC-V superscalar processors
[4] The cited results reported better coverage in fewer cycles than random generation techniques. [PDF] UVM-based verification of RISC-V superscalar processors