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The TWIML AI Podcast (formerly This Week in Machine Learning & Artificial Intelligence)
The TWIML AI Podcast (formerly This Week in Machine Learning & Artificial Intelligence)

High-Efficiency Diffusion Models for On-Device Image Generation and Editing with Hung Bui - #753

28 October 2025 52:23 Sam Charrington

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About this episode

In this episode, Hung Bui, Technology Vice President at Qualcomm, joins us to explore the latest high-efficiency techniques for running generative AI, particularly diffusion models, on-device. We dive deep into the technical challenges of deploying these models, which are powerful but computationally expensive due to their iterative sampling process. Hung details his team's work on SwiftBrush and SwiftEdit, which enable high-quality text-to-image generation and editing in a single inference step. He explains their novel distillation framework, where a multi-step teacher model guides the training of an efficient, single-step student model. We explore the architecture and training, including the use of a secondary 'coach' network that aligns the student's denoising function with the teacher's, allowing the model to bypass the iterative process entirely. Finally, we discuss how these efficiency breakthroughs pave the way for personalized on-device agents and the challenges of running reasoning models with techniques like inference-time scaling under a fixed compute budget.


The complete show notes for this episode can be found at  https://twimlai.com/go/753.

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