Commit Graph

2 Commits

Author SHA1 Message Date
Oleksandr Bezdieniezhnykh 65ad2168ed [AZ-300] Implement PytorchFp16Runtime — C7 simple-baseline strategy
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>
2026-05-12 10:13:21 +03:00
Oleksandr Bezdieniezhnykh daff5d4d1c [AZ-297] C7 InferenceRuntime: Protocol + DTOs + factory
Freezes the c7_inference Public API per
_docs/02_document/contracts/c7_inference/inference_runtime_protocol.md
v1.0.0:

- InferenceRuntime Protocol (6 methods: compile_engine,
  deserialize_engine, infer, release_engine, thermal_state,
  current_runtime_label) in components/c7_inference/interface.py.
- DTOs (PrecisionMode enum, OptimizationProfile, BuildConfig,
  EngineCacheEntry, EngineHandle opaque marker) in _types/inference.py
  — placed at the L1 types layer so C10 can re-export EngineCacheEntry
  without crossing the components.* boundary (AZ-270 AC-6).
- ThermalState DTO expanded in _types/thermal.py from the AZ-355
  forward-declared stub to the AZ-297 contract shape (cpu/gpu temp,
  thermal_throttle_active, measured_clock_mhz, measured_at_ns,
  is_telemetry_available). Invariant I-6: when telemetry is
  unavailable, throttle is False.
- Error family rooted at c7_inference.errors.RuntimeError (9 subtypes:
  EngineBuildError, EngineDeserializeError, EngineHashMismatchError,
  EngineSchemaMismatchError, EngineSidecarMissingError,
  CalibrationCacheError, InferenceError, OutOfMemoryError,
  TelemetryUnavailableError). RuntimeNotAvailableError stays in
  runtime_root/errors.py — composition-time, outside the family.
- C7InferenceConfig per-component config block (runtime label,
  thermal_poll_hz, engine_cache_dir) with constructor-time validation
  rejecting unknown runtime labels.
- Composition-root factory build_inference_runtime in
  runtime_root/inference_factory.py with three BUILD_* gates
  (BUILD_TENSORRT_RUNTIME, BUILD_ONNX_TRT_EP_RUNTIME,
  BUILD_PYTORCH_FP16_RUNTIME). Concrete strategy modules are imported
  lazily via __import__ AFTER the flag check, so a Tier-0 build with
  the flag OFF MUST NOT load the strategy module (AC-5 / I-5;
  verifiable via sys.modules).
- 37 conformance tests cover all 8 ACs + NFR-perf-factory
  (p99 build under 200 ms × 1000 calls) + NFR-reliability-error-family.
  AC-8 introspects the contract file's Shape table and asserts method
  parity against the runtime Protocol; also asserts all 9 error
  subtypes are documented.

Retired the AZ-263 scaffolding EngineCacheEntry from _types/manifests.py
(replaced by the AZ-297 canonical shape in _types/inference.py); updated
the LightGlue-flavoured EngineHandle Protocol docstring in
_types/manifests.py to rationalize its intentional dual existence
with the C7 opaque EngineHandle (same name, different consumer-side
cut, mirroring the C4/C5 ISam2GraphHandle pattern).

Stale ThermalState.throttle docstring references in c4_pose/config.py,
c4_pose/interface.py, and _types/pose.py updated to
thermal_throttle_active.

Full unit-test sweep: 843 passed, 2 pre-existing environment skips
(cmake, actionlint).

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-12 04:30:14 +03:00