feat(hwq_heuristic): add stream-priority interaction test - #60
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test_stream_priority.py validates the queue heuristic preserves HIP stream priority semantics (hipStreamGetPriority echoes the range-clamped request, high <= low, workloads correct) and that DEBUG_HIP_IGNORE_STREAM_PRIORITY is honored gracefully. New src hwq_stream_priority.cpp. Validated 2/2 on quanta MI325.
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Summary
Adds
test_stream_priority.py(TMS 1002695hwq_stream_priority_interaction, P1) to thehwq_heuristicsuite:test_stream_priority_semantics— with no override, the queue heuristic preserves requested stream priorities:hipStreamGetPriorityechoes the range-clamped request, the high-priority stream is numerically ≤ the low-priority stream, and both workloads compute correct results.test_stream_priority_ignore_override— withDEBUG_HIP_IGNORE_STREAM_PRIORITY=1, the override is honored gracefully (priority streams still create and both workloads execute correctly).New vendored public source
src/hwq_stream_priority.cpp; added as atarget=-scoped CMake executable so existing fixtures are untouched.Provenance / OSS-safety
Re-authored from standard public HIP stream-priority APIs — no internal/NDA payload.
Test plan
pytest --collect-only --no-gpu— 2 collected, markers valid