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Record Ubuntu native UI spike baseline
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karti
2026-08-31 15:47:13 -07:00
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@@ -7,7 +7,7 @@ from macOS and Linux and the hard gates pass.
| Criterion | Hard gate | GPUI | Floem |
|---|---:|---:|---:|
| Builds on macOS Apple Silicon | yes | pending | pending |
| Builds on Ubuntu | yes | pending | pending |
| Builds on Ubuntu | yes | conditional | pass |
| Builds on Omarchy/Arch | yes | pending | pending |
| Dependency/license closure permits Apache-2.0 distribution | yes | pending | pending |
| Keyboard navigation + AccessKit tree | yes | pending | pending |
@@ -24,3 +24,23 @@ from macOS and Linux and the hard gates pass.
The current programs establish dependency, build, launch, and static layout
baselines. The next iteration adds deterministic streaming, input timestamps,
accessibility identifiers, a native Markdown editor, and one Wry browser child.
## Ubuntu baseline — metal, 2026-08-31
Host: Ubuntu 24.04 x86_64, Rust 1.94.1. Both candidates used the same 1280×800
six-pane fixture and were launched under the active X11 desktop.
| Observation | GPUI 0.2.2 | Floem `778bb5f2` |
|---|---:|---:|
| `cargo check` from downloaded dependency cache | 20.76 s, 1.04 GiB max RSS | 24.26 s first attempt + 4.06 s after enabling required editor feature, 753 MiB max RSS |
| Debug executable link | pass with a user-local linker symlink for installed `libxkbcommon-x11.so.0` | pass |
| Debug executable size | 442 MiB | 475 MiB |
| Native window launch and six-pane render | pass | pass |
| Root workspace CI | 8/8 tests, strict Clippy and doctests pass in 10.79 s | shared result |
These are cold-development baselines, not startup, release-size, or runtime
performance numbers. GPUI's Ubuntu row remains conditional because the host has
the runtime `libxkbcommon-x11.so.0` but lacks the unversioned development linker
name normally supplied by `libxkbcommon-x11-dev`. Floem current main also
requires its `editor` feature for the style/label modules used by this shell;
that feature is now explicit in the spike. Neither finding decides the UI stack.