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Much of the excitement around AI has shifted to chatbots, but image generation with tools like Stable Diffusion is still popular. Stable Diffusion has now been shown to run on an Android phone, with no external servers required.
Qualcomm has shown some images that Stable Diffusion generated locally on an Android phone. While you were able to find an imaging tool, put up an ad, and render it in the cloud, these are generated entirely locally, using Qualcomm’s AI Stack and, of course, your smartphone’s hardware.
It can be easy to forget since we don’t really notice its uses, but many smartphones these days come with dedicated AI acceleration hardware. Qualcomm says that it is using the AI engine that comes with the Snapdragon 8 Gen 2 SoC to achieve these results. Just type a message and Stable Diffusion will generate an image for you to try to match that message.
Qualcomm said in a blog post: “We use the Qualcomm AI Engine direct framework to map the neural network into a program that runs efficiently on our target hardware. […] The result of this full-stack optimization is to run Stable Diffusion on a smartphone in less than 15 seconds over 20 inference steps to generate a 512 × 512 pixel image: this is the fastest inference on a smartphone and comparable to cloud latency.
You can’t use Stable Diffusion on your Android phone locally yet; this is just a tech demo. It could eventually become a publicly available app, but Qualcomm isn’t promising anything just yet.
Source: Qualcomm
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