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Oleksandr Bezdieniezhnykh
65ad2168ed
AZ-300 mandatory simple-baseline InferenceRuntime (eager FP16 PyTorch).
Implements the AZ-297 Protocol; current_runtime_label returns
"pytorch_fp16". Numerical reference every fancier C7 strategy (AZ-298
TRT, AZ-299 ORT) is measured against, and the only viable runtime for
Tier-1 workstation Docker where TRT is non-trivial to install.
Production code (new):
- components/c7_inference/pytorch_fp16_runtime.py — runtime +
PytorchEngineHandle + output-shape adapter
- components/c7_inference/architecture_registry.py — torch-free
register_architecture / default_registry / ArchitectureFactory
(Risk-1 mitigation: no L2->L3 back-edge from C7 into per-backbone
code)
- components/c7_inference/__init__.py — re-exports the registry
mechanism. Still does NOT import the concrete strategy module
(Invariant I-5)
- components/c7_inference/config.py — adds per_frame_debug_log bool
field (gates the DEBUG per-frame latency log)
Tests (new): tests/unit/c7_inference/test_pytorch_fp16_runtime.py
covers AC-1..AC-8 + NFRs. AC-1/2/6/7 + thermal/release/registry
guards run unconditionally (17 tests); AC-3/4/5/8 +
NFR-perf-deserialize + NFR-reliability-eval-mode require CUDA and
skip on Tier-1 CI / macOS dev.
Tests (modified):
- test_protocol_conformance.py — narrowed
test_ac5_build_inference_runtime_flag_on_but_module_missing
parametrisation to exclude pytorch_fp16 (now-built); TRT / ORT
still covered until AZ-298 / AZ-299 ship.
CI: .github/workflows/ci.yml lint + unit jobs now install
'-e .[dev,inference]' because mypy + pytest need torch + torchvision +
onnxruntime on the runner.
Three task-spec -> as-built deltas documented in
_docs/02_tasks/done/AZ-300_c7_pytorch_baseline.md Implementation Notes:
1. Constructor conforms to AZ-297 factory shape (config positional;
thermal_publisher + registry + clock keyword-only optionals).
AZ-302 will update the factory to thread thermal_publisher.
2. Architecture registry uses extras["model_name"] as lookup key
(avoids touching the frozen BuildConfig / EngineCacheEntry DTOs).
3. Warm-up forward deferred to AZ-300 tier-2 follow-up — the zero-arg
registry has no per-backbone input-shape metadata.
Suite: 1120 passed / 10 skipped (CUDA + Tier-2 + cmake / actionlint
environment gates). No regressions in non-c7_inference areas.
Co-authored-by: Cursor <cursoragent@cursor.com>