qb-compiler documentation

qb-compiler is a calibration-aware quantum circuit compiler. It ingests live device calibration data and compiles circuits that survive today’s hardware — reducing depth, improving estimated fidelity, and keeping you within budget.

Getting Started

• Getting Started
  • Installation
  • Quick Start
  • CLI Usage
  • Next Steps
• Optimization Level Guide
  • Optimization Levels
  • Compilation Strategies
  • Decision Tree
  • Performance vs Quality
  • Calibration-Aware vs Topology-Only
  • Combining Level and Strategy
• CLI Reference
  • Global Options
  • qbc compile
  • qbc info
  • qbc calibration show
  • Environment Variables

Guides

• Architecture
  • Pass pipeline
  • Calibration system
  • Fidelity estimation
  • Cost estimation
• Calibration System Guide
  • Data Model
  • Calibration Providers
  • How Calibration Feeds Compilation
  • Best Practices
• Writing Custom Passes
  • Pass Contract
  • Base Classes
  • Example: Analysis Pass — Gate Frequency
  • Example: Transformation Pass — Identity Gate Removal
  • Example: Redundant Gate Removal
  • Composing Passes with PassManager
  • Using Custom Passes with QBCompiler
  • Testing Custom Passes
  • Tips
• Migrating from Qiskit Transpiler
  • Option 1: Drop-in Replacement
  • Option 2: passmanager() Factory
  • Option 3: QBCalibrationPass as a Qiskit TransformationPass
  • Option 4: QBCalibrationLayout AnalysisPass
  • Option 5: Full QBCompiler API
  • Key Differences from Qiskit
• FAQ & Troubleshooting
  • General Questions
  • Calibration Questions
  • Compilation Questions
  • Cost & Budget Questions
  • Troubleshooting
  • Getting Help

API Reference

• API Reference
  • Compiler API
  • Compiler Passes
  • Backends, Calibration & Noise

Project

• Changelog
• Contributing
• Release Process
• GPG Signing Guide