Designing Parameter and Compute Efficient Diffusion Transformers using Distillation

Vignesh Sundaresha

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arXiv · 2502.14226

Designing Parameter and Compute Efficient Diffusion Transformers using Distillation

Vignesh Sundaresha

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Abstract

Diffusion Transformers (DiTs) with billions of model parameters form the backbone of popular image and video generation models like DALL.E, Stable-Diffusion and SORA. Though these models are necessary in many low-latency applications like Augmented/Virtual Reality, they cannot be deployed on resource-constrained Edge devices (like Apple Vision Pro or Meta Ray-Ban glasses) due to their huge computational complexity. To overcome this, we turn to knowledge distillation and perform a thorough design-space exploration to achieve the best DiT for a given parameter size. In particular, we provide principles for how to choose design knobs such as depth, width, attention heads and distillation setup for a DiT. During the process, a three-way trade-off emerges between model performance, size and speed that is crucial for Edge implementation of diffusion. We also propose two distillation approaches - Teaching Assistant (TA) method and Multi-In-One (MI1) method - to perform feature distillation in the DiT context. Unlike existing solutions, we demonstrate and benchmark the efficacy of our approaches on practical Edge devices such as NVIDIA Jetson Orin Nano.

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Vignesh Sundaresha. 2025-02-20. Designing Parameter and Compute Efficient Diffusion Transformers using Distillation. https://arxiv.org/abs/2502.14226

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