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[Auto] Freeze shared ZImage ControlNet transformer modules (cluster-13077-4): merged 1 of 3 PRs#8
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evalstate wants to merge 2 commits into
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[Auto] Freeze shared ZImage ControlNet transformer modules (cluster-13077-4): merged 1 of 3 PRs #8evalstate wants to merge 2 commits into
evalstate wants to merge 2 commits into
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...former The shared modules from transformer (t_embedder, all_x_embedder, cap_embedder, noise_refiner, context_refiner, x_pad_token, cap_pad_token) are intentionally shared references for memory efficiency. However, nothing prevented users from accidentally training them, which would corrupt the transformer weights. This fix explicitly freezes these shared modules with requires_grad_(False) to enforce the intended training contract: only control_* modules (control_layers, control_all_x_embedder, control_noise_refiner) should be trained. Fixes huggingface#13077
... ZImageControlNet.from_transformer
evalstate
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Apr 27, 2026
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Trace for this mergeability run: https://huggingface.co/datasets/evalstate/transformers-merge-experiments/blob/main/2604271504-KeAGUd__dev__codex.jsonl
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Cluster: cluster-13077-4
Base: origin/main
Branch: merge-cluster-cluster-13077-4-20260427125508
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