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2026 05 25 vertical gap bench lig

release note written udio-ui bench → lig

Summary: Point PH-UX studio viewport bench registry and harness at packages/lig (rename from li-gpu) so wgpu_smoke hooks and latest-bench.json report present:lig.

Agent continuation

  1. Read — benchmarks/competitive/studio-ui.toml, packages/lig/bench/wgpu_smoke.toml, scripts/bench-studio-viewport-perf.sh.
  2. Run — ./scripts/profile-animate-memory.sh; ./scripts/bench-studio-viewport-perf.sh; python3 scripts/studio-ui-ux-verify-bench-registry.py; lic check packages/lig/li-tests/smoke/lig_device_probe.li.
  3. Then — PH-HW follow-up: fix import lig.present resolver for wgpu_smoke.li on main (separate PR); wire real lig_present_surface_ok() when host present.
  4. Blocked on — none for registry path migration.

Changed

Area What Evidence
Registry [[hook]] wgpu_smoke → package = "lig", packages/lig/bench/wgpu_smoke.toml studio-ui-ux-verify-bench-registry.py ok
Harness Drop li-gpu fallback; cold-load scan lists lig ./scripts/bench-studio-viewport-perf.sh → hooks.wgpu_smoke.present=true, notes includes present:lig
Bench JSON Regenerated latest-bench.json / competitive copy (gitignored) registry_schema: li_studio_ui_bench_v1
Smoke HW-0 device probe lic check packages/lig/li-tests/smoke/lig_device_probe.li exit 0

Not changed

  • packages/lig/present/lib.li or wgpu_smoke.li import resolution (still fails lic check on main).
  • Real wgpu-rs surface / native_pixels host path.
  • li-render / li-studio package APIs beyond bench registry paths.
  • Particle tier simulate semantics or gate targets.

Breaking

None — registry consumers should read lig hook paths; li-gpu paths removed from studio-ui bench only.

Security

N/A — bench metadata only.

Performance

N/A — simulate harness unchanged; reproduce with ./scripts/bench-studio-viewport-perf.sh.

Downstream

Repo Action
li-cursor-agents / studio-ui-ux plan loop Re-run bench after merge; refresh gitignored latest-bench.json locally
benchmarks dashboard N/A until competitive JSON published from CI