[NV] [PR1] feat(synthetic-al): generic synthetic-acceptance injection scaffold#2088
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qiching wants to merge 2 commits into
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[NV] [PR1] feat(synthetic-al): generic synthetic-acceptance injection scaffold#2088qiching wants to merge 2 commits into
qiching wants to merge 2 commits into
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July 5, 2026 18:36
Two changes needed to run dsv4 fp4 multinode sweeps on the watchtower (Oracle) gb200 cluster: - Point the dynamo-vllm dsv4 MODEL_PATH at the base DeepSeek-V4-Pro checkpoint instead of the -NVFP4 re-quant. The pinned v0.20.1 container's deepseek_v4 loader doesn't define the NVFP4 export's extra quant params (e.g. ffn.experts.w13_input_scale) and KeyErrors at load; the base checkpoint loads and matches the recipe's served identity. - Add dsv4/dynamo-vllm to uses_watchtower_shared_fs() so the srt-slurm workspace/outputs land on a compute-visible shared FS (the runner home is not cross-mounted to compute nodes, otherwise the batch step dies).
Framework-agnostic plumbing for optionally overriding a recipe's speculative-decoding acceptance length with a synthetic value, gated on SYNTHETIC_ACCEPTANCE=true (no-op otherwise, so this commit changes no existing behavior). - runners/synthetic_injectors/: backend registry (register/get_injector). No backends registered yet -> the generic layer alone injects nothing. - runners/inject_synthetic_acceptance.py: generic driver. Handles flag gating, acceptance-length resolution (explicit env or reference-yaml lookup) and file I/O, then delegates the recipe rewrite to the framework backend resolved from FRAMEWORK. Errors clearly if the flag is on but no backend is registered. - runners/launch_gb200-nv.sh: invoke the driver after the name override and before srtctl apply. With no backend registered this is a no-op.
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