Lesson 131: Cost models for QPUs
Focus
Assume every diagram must map to topology and basis gates—not textbook abstractions alone. Token Cost models for QPUs:131 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Cost models for QPUs · drill v1 · spin
507916. - Habit: pair each job with shot budget, mitigation profile, and a calibration fingerprint you could paste.
- Guardrail: write one line about where classical cost dominated the timeline.
Deep dive notebook
Synthetic drill artefacts
Calibration freshness matrix
| Window | Drift sentinel | Owner |
|--------|----------------|-------|
| TB0-4h | SPAM delta < 0.015 | cal-oncall-1 |
| TB1-25h | randomized benchmarking shift | ops-1 |
Drill: cite which sentinel invalidates queued jobs for lesson L131.
Practice
Practice List five failure signatures unique to your organiser’s QPUs or simulators. — 131 Bump literals mindset by 26.