macOS VM GPU Passthrough on Apple Silicon Boosts LLM Inference 16x

frabonacci · hn · 2026-08-11

By implementing GPU passthrough for macOS VMs on Apple Silicon, a developer achieved an 11–16x speedup for LLM inference using Llama.cpp. This approach overcomes traditional virtualization performance bottlenecks, offering a highly performant local deployment setup.

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