NightRun UEFI application boots a local LLM on Raspberry Pi 5 and x86 PCs without an OS

Running LLMs locally on an SBC or mini PC is a good way to keep your data private, but they typically require a conventional operating system, which uses a good portion of system memory. NightRun is an experimental open-source project that addresses this issue by booting a machine directly into a local LLM from a USB drive or microSD card, without loading a conventional OS. By removing the operating system, NightRun makes more RAM and memory bandwidth available for AI inference. The runtime is written in Rust, and during boot it loads a quantized model (1.3 GB to 2.4 GB) directly into RAM while verifying its CRC-32 checksums. After the model is loaded, storage is “sealed,” meaning any later attempt to read from the disk will trigger a hard fault. NightRun key features: Hardware support – Supports 64-bit x86_64 UEFI PCs (Secure Boot disabled) and Raspberry Pi 5 via USB

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