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refactor(rendering): prepare retained particle routing

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Derive attached particle owners from the exact retained PView route stream with a zero-allocation warm path. Correct G4 gate provenance, record the current production-only RDP sample, and keep G5 old-route deletion explicitly blocked until the reapplied retained cutover passes its connected visual gate.
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Erik 2026-07-25 08:45:18 +02:00
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# Slice G5 production profile — 2026-07-25
## Status
Work in progress. The retained-scene cutover is running at `20f9fadb`, but G5
old-route deletion remains blocked on its connected portal/revisit visual
re-gate. This note records production-only evidence gathered without enabling
the referee or lifecycle automation.
## First steady RDP sample
The client was idle in-world at 60 Hz with the normal capped Release
presentation, High quality, a 4/12 near/far radius, and no developer or
automation UI. The title reported 173/625 landblocks, 10,383 entities, and 51
active animations. Five seconds of process CPU plus three one-second Windows
GPU counter samples measured:
| Metric | Value |
|---|---:|
| CPU | 2.68% of 16 logical processors, about 42.9% of one logical core |
| Working set | 255.8 MiB |
| Private bytes | 1,193.9 MiB |
| Threads / handles | 26 / 663 |
| GPU 3-D engine | 55.74% average, 56.26% maximum |
| Dedicated GPU process memory | 422 MiB |
| Shared GPU process memory | 141 MiB |
This is an RDP presentation sample, not the required physical-local reference
matrix and not evidence of a plateau across travel. It establishes that the
post-cutover retained path is active and gives G5 a pre-deletion production
point. The complete capped/uncapped nine-stop, dense-Arwic, lifecycle,
allocation, GC, stage-timing, and screenshot/instance-set matrix remains
mandatory after the visual re-gate.
## Prepared old-route dependency removal
`RenderFrameRouteOwnerSelector` derives attached particle owner IDs from the
exact retained PView route ranges. It supports exact-route replace/union and
all-range exclusion without allocation after warmup. This removes the final
particle-routing reason for normal production to build
`InteriorEntityPartition`; it is not wired into the running visual-gate binary.
Four focused tests and the 3,821-pass / 3-skip App Release suite are green
through an isolated output path.