feat(qwen-image/metax): optimize distributed offload，metax cfg2_sp4 pipeline cost 52.76s-> 21.68s - #1341
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Watebear wants to merge 3 commits into
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feat(qwen-image/metax): optimize distributed offload，metax cfg2_sp4 pipeline cost 52.76s-> 21.68s#1341Watebear wants to merge 3 commits into
Watebear wants to merge 3 commits into
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Run text encoding on rank 0 and broadcast packed embeddings. Keep the text encoder and selected DiT blocks resident, stream remaining blocks with events, and support rank-aware model offload.
Watebear
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