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The goal is speech recognition on the NPU for vinput, and sherpa-onnx cannot
deliver it: every model it loads keeps a dynamic time axis, which the NPU
compiler rejects outright. Qwen3-ASR and SenseVoice both core-dumped in
vpux-compiler ("Got non broadcastable dimensions pair"), and reshaping the ONNX
inputs does not help because the dynamic dimensions sit inside the graph
(WA-037). Whisper is the only family OpenVINO publishes fully static IRs for,
and its fixed 30 s window is exactly what the compiler accepts.
The host now runs an OpenAI-compatible /v1/audio/transcriptions service backed
by whisper-large-v3-turbo int8 on the NPU: 1.5 s for 11 s of audio against
2.1 s on CPU, with the compiled graph cached in /var/cache so only a cold cache
pays the ~60 s NPU compile. vinput on the desktop sends raw PCM to it through a
small provider script.
Only the NPU driver and compiler still come from the unmerged branch in the
`nixpkgs-npu` input (NixOS/nixpkgs#570230), whose nixpkgs also happens to be
the one where openvino-genai 2026.4.0.0 builds at all.
Assisted-by: DeepSeek Harness 0.2.1-rc.2 (deepseek-v4.1-flash)
Home Manager's Submodules
This directory contains all Home Manager configurations organized by platform and functionality.
Current Structure
home/
├── base/ # Cross-platform home manager configurations (see base/README.md)
├── linux/ # Linux-specific home manager configurations
│ ├── base/ # Linux base configurations
│ ├── gui/ # Linux GUI applications
│ │ ├── i3/ # i3 — headless computer-use session (see i3/README.md)
│ │ ├── niri/ # Niri window manager
│ │ └── ...
│ └── ...
├── hosts/ # Host-specific home manager entry modules
│ ├── linux/ # Linux host home modules (idols-ai, 12kingdoms-shoukei, idols-kana, idols-ruby)
│ └── darwin/ # macOS host home modules (fern, frieren)
└── darwin/ # macOS-specific home manager configurations
├── proxy/ # Proxy configurations
└── ...
Module Overview
-
base: The base module suitable for both Linux and macOS
- Cross-platform applications and settings
- Shared configurations for editors, shells, and essential tools
-
linux: Linux-specific configuration
- Desktop environments (Noctalia Shell, Niri compositor)
- Headless computer-use session (see
linux/gui/i3/README.md) - Linux-specific GUI applications
- System integration tools
-
darwin: macOS-specific configuration
- macOS applications and services
- Platform-specific integrations (Squirrel, etc.)
-
hosts: Host entry modules for Home Manager
- Each output should reference only one host home module file
- Host modules are responsible for importing shared stacks (
home/linux/*orhome/darwin) and applying host overrides