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Fall back to Blackwell for legacy manifests missing gpu_architecture #21

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ai-hpc merged 1 commit into from
Jul 15, 2026
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Fall back to Blackwell for legacy manifests missing gpu_architecture #21

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5 changes: 5 additions & 0 deletions sparkproof/verify.py
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,11 @@ def verify_manifest_policy(manifest: dict[str, Any]) -> list[str]:
issues.append(f"unexpected dataset_kind: {manifest.get('dataset_kind')!r}")
gpu = manifest.get("gpu_profile") or {}
gpu_architecture = manifest.get("gpu_architecture") or gpu.get("gpu_architecture")
if gpu_architecture is None and gpu.get("family") == "blackwell":
# Legacy manifest predating the gpu_architecture field (before Hopper
# support existed, every accepted bundle was Blackwell) — the older
# "family" field is still evidence enough to default, not reject.
gpu_architecture = "blackwell"
if gpu_architecture not in SUPPORTED_ARCHITECTURES:
issues.append(
f"gpu_architecture must be one of {sorted(SUPPORTED_ARCHITECTURES)!r}, got {gpu_architecture!r}"
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