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Course contents

  • How to Use This Course
  • AI-VLSI Metrics Reference
  • AI-VLSI Glossary
  • Reading Path
  • ML Math Foundations61
  • Neural Networks Basics61
  • Training Data Pipeline61
  • AI Compute Hardware61
  • Accelerator Architecture61
  • AI in VLSI Workflows61
    • ML for EDA Placement & Routing
    • ML Timing & Power Prediction
      • ML Timing & Power Prediction: Mechanism
      • ML Timing & Power Prediction: Inputs & Outputs
      • ML Timing & Power Prediction: Reports & Metrics
      • ML Timing & Power Prediction: Debug Playbook
      • ML Timing & Power Prediction: Worked Example
      • ML Timing & Power Prediction: Pitfalls & Red Flags
      • ML Timing & Power Prediction: Interview Drills
      • ML Timing & Power Prediction: Review Checklist
      • ML Timing & Power Prediction: Theory Deep Dive
      • ML Timing & Power Prediction: Design Space
      • ML Timing & Power Prediction: Expanded Case Study
      • ML Timing & Power Prediction: Step-by-Step Walkthrough
      • ML Timing & Power Prediction: Comparison Matrix
      • ML Timing & Power Prediction: Software / Programmer View
      • ML Timing & Power Prediction: Silicon PPA Impact
    • ML for Verification & Test
    • ML for Yield & Manufacturing
    • AI in VLSI Workflows: Tricky Q&A
  • Edge Deployment & MLOps61
  • AI-VLSI Interview Prep4
  • AI Basics for VLSI Engineers Cheatsheet
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‹ML Timing & Power Prediction
  1. Topics
  2. AI for VLSI
  3. AI in VLSI Workflows
  4. ML Timing & Power Prediction
  5. ML Timing & Power Prediction: Step-by-Step Walkthrough

AI for VLSI · All levels

ML Timing & Power Prediction: Step-by-Step Walkthrough

Step-by-Step Walkthrough for ML Timing & Power Prediction.

On this page

    Step-by-step analysis walkthrough

    Use when you own ML Timing & Power Prediction in an AI-VLSI review room.

    1. Capture failing metric window and workload context.

    2. Map decision path: data -> model -> runtime -> hardware.

    3. Check data leakage, split hygiene, and feature drift.

    4. Inspect model outputs and calibration behavior.

    5. Profile compute, memory traffic, and scheduling overhead.

    6. Classify root cause and choose owner.

    7. Patch minimally and stage rollout gates.

    8. Run full regression and update signoff memo.

    Artifacts to collect

    • prediction-vs-signoff scatter plot, error report, and triage recommendation list

    • dataset/model version tags

    • runtime profile

    • deployment KPI dashboard

    • rollback plan

    Decision memo template

    Diagram
    AI-VLSI DECISION MEMO — ML Timing & Power Prediction
    metric:
    root cause:
    fix:
    validation:
    owners: STA owner, power signoff owner, EDA-ML engineer

    Reference visuals

    Surrogate prediction loop

    Diagram
    SURROGATE LOOP
    
    design features -> ML predictor -> estimated timing/power
                    -> rank candidates -> full signoff on top-N

    AI-VLSI deep dive

    EDA ML must prove signoff-correlated value with bounded risk and clear ownership.

    Concept diagram

    Diagram
    EDA ML GOVERNANCE
    
    baseline flow -> ML assist -> confidence gate -> signoff confirmation

    Metric graph

    Diagram
    TRUST TREND
    
    runtime gain            ███████
    signoff correlation     ██████
    false alarm rate        ███

    Reports and artifacts

    • correlation-to-signoff

    • runtime savings dashboard

    • false-prediction audit

    • fallback decision log

    Mini case study

    A model improved placement runtime, but confidence gating avoided a high-cost false optimization suggestion.

    Debug branches

    • Tie model output to signoff artifact

    • Audit confidence calibration

    • Preserve deterministic fallback

    Senior review question

    Ask: what evidence connects this ML claim to a concrete VLSI workflow decision and owner signoff?

    Key takeaways

    • Every AI claim should map to a measurable engineering outcome.

    • Validate both model quality and hardware/runtime feasibility before adoption.

    Common pitfalls

    • Optimizing benchmark metrics that do not correlate with signoff goals.

    • Ignoring data drift and calibration after deployment.

    • Shipping ML workflows without clear rollback ownership.

    Execution drill pack 1

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 1
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 2

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 2
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 3

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 3
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 4

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 4
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 5

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 5
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 6

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 6
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 7

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 7
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 8

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 8
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 9

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 9
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 10

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 10
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 11

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 11
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 12

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 12
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Execution drill pack 13

    Use this pack to rehearse AI-for-VLSI decision making on ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough: metric framing, mechanism proof, hardware implications, and release safety.

    Evidence checklist

    • Metric context includes workload, dataset slice, and revision tags.

    • Mechanism explanation links model behavior to observed outcome.

    • Hardware/runtime feasibility is profiled, not assumed.

    • Owner and rollback path are documented before rollout.

    Review prompts

    1. Which decision will this model output influence?

    2. What is the first failing layer when metric regresses?

    3. Which owner applies the smallest reversible fix?

    4. What validation matrix is required before deployment?

    Evidence capsule

    Diagram
    AI-VLSI EVIDENCE CAPSULE 13
    
    PATH: ai-vlsi/ai-in-vlsi-workflows/ml-timing-power-prediction/step-by-step-walkthrough
    WORKLOAD SLICE: <name>
    PRIMARY METRIC: <value/trend>
    FIRST FAILING LAYER: <data/model/runtime/hardware>
    OWNER: <name>
    PRIMARY ARTIFACT: <report/profile/dashboard>
    DECISION: <ship / rollback / escalate>

    Principal AI-VLSI review addendum

    Surrogate models approximate STA and power analyses to accelerate early exploration and prioritize full signoff runs.

    Metric: timing/power estimation error, scenario ranking fidelity, and iteration savings

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    See also

    • ML Timing & Power Prediction: Mechanism
    • ML Timing & Power Prediction: Inputs & Outputs
    • ML Timing & Power Prediction: Reports & Metrics