For contributors and maintainers.
- Architecture: system design, runtime, backends, patch system
- Contributing: development setup, code style, PR process
- Testing: test types, running tests, CI pipeline
- Extending backends: adding new training backends
- Adding models: adding model configurations per backend
- Model support matrix: supported models per backend and GPU
- CLI architecture: CLI internals: subcommand discovery, dispatch, and launch wrappers
- Backend patch notes: Primus-specific backend arguments and the files they patch
- Tooling: auxiliary analysis, benchmarking, visualization, and diagnostics tools