fix: cache modulate_index tensor to eliminate per-step DtoH sync#13404

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varaprasadtarunkumar wants to merge 3 commits intohuggingface:mainfrom

varaprasadtarunkumar:fix/qwenimage-modulate-index-caching

Commits on Apr 3, 2026

fix: cache modulate_index in QwenImageTransformer2DModel to avoid per-step DtoH sync
varaprasadtarunkumar
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Update src/diffusers/models/transformers/transformer_qwenimage.py

varaprasadtarunkumar
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Copilot
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add: micro-benchmark script for modulate_index caching fix
varaprasadtarunkumar
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