Yhn SportCricket first seen 1 d ago, last 7 min ago, peak #9
Developer uses iPhone as second GPU to speed up MacBook AI
Original: I made my iPhone a second GPU for my MacBook-Qwen 3.8 27B prefills 29–44% faster
A developer has found a way to use an iPhone as an extra GPU alongside a MacBook, running the Qwen 3.8 27B language model with prefill speeds 29–44% faster. The trick exploits Apple's unified architecture to share compute between devices, and it is drawing attention from people interested in running local AI models cheaply.
Why now: Running large language models locally is a hot topic, and squeezing extra performance out of everyday Apple hardware is a novel workaround.
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