25 lines
1 KiB
Markdown
25 lines
1 KiB
Markdown
# H3 Blackwell Runtime
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Direct MiniMax H3 Ref2VA runtime research project. ComfyUI is the checkpoint and correctness oracle, not the target runtime.
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## First Gate
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Inspect the mounted H3 NVFP4 safetensors headers before designing an importer:
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```powershell
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python .\tools\inspect_safetensors.py /runpod-volume/ComfyUI/models/diffusion_models/minimax_h3_ref2va_pruned_nvfp4.safetensors
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```
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Write the output to `artifacts/checkpoints/` on the mounted volume. The result must identify packed weights, scales, and tensor naming before any kernel conversion work begins.
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## Benchmark Contract
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`benchmarks/ref2va-960x544-124f.json` is the single-GPU performance contract. Record direct-runner results as JSON and compare them with:
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```powershell
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python .\tools\compare_benchmark.py --result direct-result.json
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```
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## DGX Spark
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`Dockerfile.spark` and `compose.spark.yml` prepare an ARM64 GB10 development image using the existing AEON CUDA 13/SageAttention3 base. The compose target opens a shell only; it does not start inference.
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