2026-10-02 · America/Los_Angeles · 社区动态 · #5

I made my iPhone a second GPU for my 24 GB MacBook: Qwen 3.8 27B prefills 29–44% faster & my holds part of the CTX window.

**DISCLAIMER** THE PREFILLING TPS SHOWN ON THE PHONE IS COMPUTED ONLY FOR THE LAYERS IT HOLDS. ALREADY FIXING IT TO SHOW END-TO-END PREFILL RATE. NUMBERS BELOW ARE ACCURATE FOR E2E PREFILL RATE. Every file or tool result my agent reads on a 24 GB M4 Pro MacBook is a wait, and 64k of 8-bit context is all that fits next to Qwen 3.8 27B (IQ4_XS), even with the wired limit raised to 20480. An iPhone 17 Pro Max was sitting in my pocket, so I figured what can I do to make use of this extra silicon. Turns out a 10 Gb/s USB-C cable & some software is all you need. The Mac runs layers 1–40 of each…

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