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detections/_docs/02_tasks/_dependencies_table.md
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Oleksandr Bezdieniezhnykh 2149cd6c08 [AZ-180] Add Jetson Orin Nano support with INT8 TensorRT engine
- Dockerfile.jetson: JetPack 6.x L4T base image (aarch64), TensorRT and PyCUDA from apt
- requirements-jetson.txt: derived from requirements.txt, no pip tensorrt/pycuda
- docker-compose.jetson.yml: runtime: nvidia for NVIDIA Container Runtime
- tensorrt_engine.pyx: convert_from_source accepts optional calib_cache_path; INT8 used when cache present, FP16 fallback; get_engine_filename encodes precision suffix to avoid engine cache confusion
- inference.pyx: init_ai tries INT8 engine then FP16 on lookup; downloads calibration cache before conversion thread; passes cache path through to convert_from_source
- constants_inf: add INT8_CALIB_CACHE_FILE constant
- Unit tests for AC-3 (INT8 flag set when cache provided) and AC-4 (FP16 when no cache)

Made-with: Cursor
2026-04-02 07:12:45 +03:00

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# Dependencies Table
**Date**: 2026-03-31
**Total Tasks**: 16 (11 test + 5 feature)
**Total Complexity Points**: 45
## Completed Tasks (Steps 4-6: Tests)
| Task | Name | Complexity | Dependencies | Epic | Status |
|------|------|-----------|-------------|------|--------|
| AZ-138 | test_infrastructure | 5 | None | AZ-137 | done |
| AZ-139 | test_health_engine | 3 | AZ-138 | AZ-137 | done |
| AZ-140 | test_single_image | 3 | AZ-138 | AZ-137 | done |
| AZ-141 | test_tiling | 3 | AZ-138 | AZ-137 | done |
| AZ-142 | test_async_sse | 3 | AZ-138 | AZ-137 | done |
| AZ-143 | test_video | 3 | AZ-138, AZ-142 | AZ-137 | done |
| AZ-144 | test_negative | 2 | AZ-138 | AZ-137 | done |
| AZ-145 | test_resilience | 5 | AZ-138, AZ-142 | AZ-137 | done |
| AZ-146 | test_performance | 3 | AZ-138 | AZ-137 | done |
| AZ-147 | test_security | 2 | AZ-138 | AZ-137 | done |
| AZ-148 | test_resource_limits | 3 | AZ-138, AZ-142 | AZ-137 | done |
## Completed Tasks (Step 9: Distributed Architecture)
| Task | Name | Complexity | Dependencies | Epic | Status |
|------|------|-----------|-------------|------|--------|
| AZ-173 | stream_based_run_detect | 3 | None | AZ-172 | done |
| AZ-174 | db_driven_ai_config | 2 | None | AZ-172 | done |
| AZ-175 | media_table_integration | 2 | AZ-173 | AZ-172 | done |
| AZ-176 | cleanup_obsolete_path_code | 1 | AZ-173, AZ-174 | AZ-172 | done |
## Current Cycle (Step 9: New Features)
| Task | Name | Complexity | Dependencies | Epic | Status |
|------|------|-----------|-------------|------|--------|
| AZ-177 | remove_redundant_video_prewrite | 2 | AZ-173 | AZ-172 | todo |
| AZ-180 | jetson_orin_nano_support | 5 | None | pending | todo |