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Course contents

  • Getting Started with AI for VLSI Engineers5
  • Just Enough AI: Models and Context15
  • Prompting13
  • Trust and Verification14
  • Using AI for Engineering Work17
  • Engineering Walkthroughs7
  • Practical Foundations for AI Workflows4
  • Engineering Data5
  • Retrieval-Augmented Generation6
  • Agents and Tool Use18
  • Agent Design8
  • MCP and Skills6
  • Multi-Agent Design6
  • Practical Capstone6
  • Tokens, Cost and Latency12
  • Agentic Workflows for Chip Teams18
    • Regression Triage Agent
      • The Nightly Triage Loop
      • Clustering Failures by Signature
      • Ranking Suspects with Evidence
      • Read-Only by Default
      • Evaluating Against Labelled History
    • Lint-and-Fix Loops
    • Guardrails and Human in the Loop
    • Evaluating and Operating Agents
  • Interview and Judgment10
  • AI Skills: Full Course Index
  • Working with AI Glossary
  • Working with AI Cheatsheet
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‹Agentic Workflows for Chip Teams
  1. Topics
  2. AI Skills for VLSI Engineers
  3. Agentic Workflows for Chip Teams
  4. Regression Triage Agent

Reference: Agentic Workflows for Chip Teams · Beginner to Intermediate

Regression Triage Agent

An agent that clusters nightly regression failures and ranks suspect commits with evidence.

  • 5topics
  • 5lessons

Each night a regression run leaves hundreds of log lines. This topic walks through an agent that groups repeat failures, ranks suspect commits, and writes one evidence-backed card per group.

Triage pipeline from nightly failures to evidence cards.
Failures flow from clustering to ranking to reporting, with guardrails constraining tools and labelled history scoring output.

Lesson

What it covers

The nightly triage loop

Inputs, tools, and outputs of one triage pass.

Clustering failures by signature

Normalizing logs and grouping repeats, with a runnable model.

Ranking suspects with evidence

Weighted scoring, rerun arithmetic, and a runnable ranking model.

Read-only by default

Least-privilege tools, approvals, and untrusted log text.

Evaluating against labelled history

Precision, recall, top-1 accuracy, and operating cost.

Check yourself Why does the agent cluster failures before ranking suspects?

Ranking runs once per group instead of once per log line. Ten repeats of one bug need one suspect list, not ten.

Interview

Carry one sentence per lesson: the loop maps logs plus commits to cards, signatures group repeats, scores rank suspects, tools stay read-only without approval, and labelled history grades the output.

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See also

  • Lint-and-Fix Loops
  • Guardrails and Human in the Loop
  • Evaluating and Operating Agents