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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 | | Criterion | Hard gate | GPUI | Floem |
|---|---:|---:|---:| |---|---:|---:|---:|
| Builds on macOS Apple Silicon | yes | pending | pending | | 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 | | Builds on Omarchy/Arch | yes | pending | pending |
| Dependency/license closure permits Apache-2.0 distribution | yes | pending | pending | | Dependency/license closure permits Apache-2.0 distribution | yes | pending | pending |
| Keyboard navigation + AccessKit tree | 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 The current programs establish dependency, build, launch, and static layout
baselines. The next iteration adds deterministic streaming, input timestamps, baselines. The next iteration adds deterministic streaming, input timestamps,
accessibility identifiers, a native Markdown editor, and one Wry browser child. 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.