b0a14262b172d1bb9aec0fa036fe6b54210d3a35
Near LOD0/1 (detail band, relief, root refinement, normals) now evaluated and meshed on the GPU. 960 near tiles: zero sign/topology differences vs CPU and WARP, vertex max 0.0049 mm (was 15 cm); far survival audit passes; CPU hashes 44/44 unchanged. Far connector-panel outlier (64.56 cm, LOD8) remains a tessellation difference, and remote captures show missing far geometry on GPU. Cold readiness (viewer clock, my interleaved runs): CPU 2.51/2.49/2.40 s, GPU 5.05/2.68/2.80 s. The ~2.1 s Present stall hit only the first GPU launch. Viewer spends ~1.13 s before shape compile starts (startup checks), which is the gap between the 0.95 s benchmark and ~2.4 s on-screen. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MmSoF64BbRFmk9C3p1VsBJ
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