b4d39ba33a7947dc0a305c5eef2583100abc0a64
Seeding the merge heaps was 3.06s of a 5.93s regroup on the reference 18,143-face library — more than half the pass, spent before a single merge was considered. Every component scanned the whole pair list looking for the pairs that were its own: 475 components against 804,499 pairs, 382 million set lookups to place 804,499 of them. A pair can only ever join two faces of one component, since that is what a component is, so the union-find that finds the components can file the pairs at the same time and hand each agglomeration the list it needs. The membership set inside agglomerate goes with it — it existed only to run that filter — and the heap can be sized up front now that the pair count is known. Ordering is preserved deliberately: pairs are filed in the order they arrive, which is the global (i, j) order, so the seeded heap breaks its ties exactly as before and the merge order is unchanged. Same 2,518 groups holding the same 16,246 faces on the reference library, at 3.5s rather than 5.9s. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
DarkRoom
A cross-platform, non-destructive RAW photo editor for Linux and Android.
Status: early. v0.1 is a remote library viewer — see docs/milestone-v0.1.md.
Documentation
| Document | Contents |
|---|---|
| requirements.md | What the software must do — 122 numbered requirements |
| architecture.md | How it is built — crates, GPU pipeline, data model, sync |
| milestone-v0.1.md | The first buildable milestone |
| faces.md | Face detection and identity — the models, the licence problem, and what S14 measures |
Building
Desktop:
cargo run -p darkroom-desktop
Android (containerised toolchain, see docker/android):
./docker/android/build.sh cargo ndk -t arm64-v8a build --release
Current state
Working: workspace, GPU context and compute pass, adaptive Slint shell, Android cross-compilation of the core crates.
Not yet working: the zero-copy display path. The build currently uploads frames through the CPU, which is exactly what ARCH §6.1 forbids — measured at 96% of frame time at 4K. Replacing it is spike S1, the project's highest priority.
cargo run -p dr-gpu --example bench --features readback
reproduces that measurement.
Licence
GPL-3.0-or-later.
Releases
20
DarkRoom 0.24.0
Latest
Languages
Rust
86.1%
Slint
10.3%
Python
1.1%
Shell
1%
WGSL
0.9%
Other
0.6%