Learn FOREST-SDK with Real Code Examples
Updated Nov 25, 2025
Installation Setup
Install Python (e.g., 3.7+)
Install pyQuil via `pip install pyquil` :contentReference[oaicite:2]{index=2}
Download Forest SDK (includes QVM and quilc) from Rigetti (requires requesting link) :contentReference[oaicite:3]{index=3}
Set up QCS configuration if you want to access real hardware :contentReference[oaicite:4]{index=4}
Verify installation by running simple Quil programs and using QVM / quilc
Environment Setup
Install Python and pyQuil
Download and install Forest SDK (QVM + quilc) from Rigetti
Set up QCS credentials if using real hardware
Install any classical optimizer libraries (e.g. SciPy) for hybrid algorithms
Verify by running small example programs
Config Files
qcs_config.toml - for QCS (quantum cloud) configuration (if using hardware)
pyquil‑scripts/ - your quantum programs in Python
quil/ - raw Quil files (optional)
notebooks/ - Jupyter notebooks organizing experiments
data/ - results, measurement outcomes, logs
Cli Commands
qvm - run the Quantum Virtual Machine (simulator)
quilc - start the Quil compiler server
pyquil scripts via Python (e.g. `python my_prog.py`)
QCS command-line tools / REST API for job submission
Forest‑Benchmarking tools for characterization (if used)
Internationalization
Global developer community around Forest and pyQuil
Documentation primarily in English
Used in academic research worldwide
Open-source nature encourages international contributions
Supports global cloud-based quantum experiments via QCS (internet access)
Accessibility
Python-based - widely accessible to developers
Open-source components (pyQuil, quilc, QVM) :contentReference[oaicite:15]{index=15}
Cloud access (QCS) available for real hardware
Hybrid algorithm support lowers barrier for classical + quantum developers
Documentation and examples from Rigetti and community
Ui Styling
Jupyter notebooks for interactive quantum programming
Python scripts for production workflows
CLI for running QVM and compiler services
Visualization via matplotlib or custom tools for measurement statistics
Logging and dashboards (if integrated with classical infrastructure)
State Management
Track versions of Quil programs and pyQuil scripts
Store compiled versions of programs (quilc outputs)
Log measurement results from QVM / QPU
Maintain reproducible experiments via seed and parameter logging
Manage QCS jobs and track their status/results
Data Management
Serialize measurement outcomes for later analysis
Use Jupyter or other notebooks to document experiments
Store classical optimizer history (for hybrid algorithms)
Archive compiled Quil and raw program code
Maintain version control for scripts and Quil files