Adaptive reference attention reuse speeds up conditioned diffusion transformers

RefAdapt-DiT uses observed target dynamics to decide when to reuse stale reference keys and values without retraining.

Chinese Tech
Jian Tang · Jiawei Fan · Qiannan Zhou · Qingbin Liu · Jiang Bian · Zang Li

Tencent

Research Digest··2 min read
The authors propose RefAdapt-DiT, a training-free framework that adaptively controls joint attention computation between reference images and target generation in diffusion transformers.

Tang et al.

Why this paper

From Tencent

In one line

RefAdapt-DiT adaptively reuses reference computations in diffusion transformers, achieving up to 3.54x speedup on Qwen Image Edit with comparable quality.

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  • ✓Reports numbers on named benchmarks (2 benchmarks)

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