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docs(perf): commit physical Slice A baselines

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Capture the authoritative capped, uncapped, and dense-Arwic routes on the physical AMD display path. Preserve the portal allocation, exception-storm, and repeated-Caul memory failures as MP1c's before-state while unblocking the prepared-asset cutover.
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Erik 2026-07-24 14:41:50 +02:00
parent 49f3a48ee6
commit 2421d09f5d
6 changed files with 335 additions and 19 deletions
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26
docs/plans/2026-07-24-modern-runtime-architecture.md
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@ -2,8 +2,8 @@
**Date:** 2026-07-24
**Status:** Slice A tooling and diagnostic RDP baselines landed; Slice B
complete. The physical-local Slice A gate still blocks Slice C.
**Status:** Slice A complete on the physical reference display; Slice B
complete. Slice C is unblocked and active.
**Scope:** Reconcile and sequence the existing Modern Pipeline (`MP`) and
Linux/headless (`LH`) tracks using the 2026-07-24 connected performance audit.
@ -577,8 +577,14 @@ and uncapped nine-stop RDP routes, a pinned dense-Arwic RDP sample, observer
effect, portal windows, and contention stacks are committed in
[`../research/2026-07-24-slice-a-rdp-baselines.md`](../research/2026-07-24-slice-a-rdp-baselines.md)
and its machine-readable companion. They prove the tooling is usable but are
diagnostic-only. The physical-local AMD-display repetitions remain required,
so Slice C is still blocked. Slice B was baseline-independent and is complete.
diagnostic-only. The authoritative capped/uncapped nine-stop and pinned
dense-Arwic repetitions are committed in
[`../research/2026-07-24-slice-a-physical-local-baselines.md`](../research/2026-07-24-slice-a-physical-local-baselines.md)
and its machine-readable companion. All routes completed and disconnected
gracefully. They also preserve the two repeated-portal memory plateau failures,
~200 MiB portal allocation frames, and typed-Setup exception storm as Slice C's
before-state instead of weakening the gates. Slice A and Slice B are complete;
Slice C is unblocked.
### Slice B — Finish MP1b EnvCell dedup and full bake
@ -1123,11 +1129,13 @@ an improvement" carries the same evidence burden as a regression claim.
## 14. Current execution point
Slice A's tooling and diagnostic RDP evidence are complete, and Slice B's
prepared-content bake is complete. The next implementation is Slice C, but its
physical-local prerequisite remains open. Do not start Slice C until the
capped/uncapped nine-stop and pinned dense-Arwic routes have been repeated on
the physical local AMD display path and committed.
Slice A's tooling and authoritative physical-local evidence are complete, and
Slice B's prepared-content bake is complete. Slice C is active. Its comparison
baseline is the committed physical-local capture at
`49f3a48ee63b82d00731b0f91497930925279c86`: uncapped CPU p50/p95/p99
1.520/5.694/7.825 ms, GPU p50/p95/p99 0.897/3.239/3.406 ms, portal allocation
max 212.7 MiB, process allocation mean 50.0 MB/s, and a repeated-Caul working
set plateau failure of 295.1 MiB.
The intended order is therefore: