docs(perf): add owner report, run-3 results and player tuning notes

analysis/client-perf/RESULTS-proxy.md

@@ -5,7 +5,8 @@ P1 7700K+1060, P2 6700K+1080 Ti). Run 1: 2026-10-16 22:25 → ~2026-10-17 05:00
 (57 launches incl. one auto-retry), 306/309 capture windows valid. Source:
 `~/onion-bench/results/session.jsonl` (`ts >= 2026-10-16T22:24`), verdicts from
 `harness/analyze.py --baseline C1 --noise B0 --since 2026-10-16T22:24`.
-Run 2 (B4h, B7 shader rows, B12b) is in progress; B13/B14 are manual and not done.
+Run 2 (B4h, B7 shader rows, B12b, B14) and Run 3 (new mod set, Flerovium confirmation,
+B14 ×4) are below; B13 is not done.
 
 ## Method
 
@@ -123,7 +124,7 @@ shadowless is nearly free; Complementary costs ~2.7 ms p99 on S1 and ~2× frame
 | trial | result | verdict |
 |---|---|---|
 | **Iris Flywheel Compat** 2.4.0 (MakeUp default, vs shader-baseline) | S2 **3.98 / 218.3 vs 13.26 / 65.8** (avg 644 vs 117 fps); S1 9.92 / 84.8 vs 10.23 / 83.8 (tie); S4 3.10 / 266.1 vs 3.01 / 277.6 (1 % low −11.5, loss) | **win under shaders** (restores Flywheel instancing) — add after a visual check of Create contraptions/airships with a shaderpack (unofficial mod; breaks on Create/Iris updates) |
-| **Flerovium** 1.1.2 (vs C1) | S3 **3.48 / 229.9 vs 5.71 / 147.4**; S1/S2/S5 tie | **win** on entities — but the B12b C1 S3 baseline (5.71) is worse than every run-1 C1 S3 (4.32–4.46), so the true gain is ~0.9 ms / +45 fps vs run 1. Add after one confirmation pair |
+| **Flerovium** 1.1.2 (vs C1) | S3 **3.48 / 229.9 vs 5.71 / 147.4**; S1/S2/S5 tie | **win** on entities — but the B12b C1 S3 baseline (5.71) is worse than every run-1 C1 S3 (4.32–4.46), so the true gain is ~0.9 ms / +45 fps vs run 1. Add after one confirmation pair. **Superseded by Run 3** (did not hold up) |
 | Gnetum 3.3.6 | S3 4.41 / 189.3 (vs anomalous 5.71; ≈ run-1 C1) ; S1/S2/S5 tie | tie in practice → no add |
 | Better Block Entities 1.3.4 | S2 3.51 / 245.3 (loss), S3 loss; with FA 9.86 / 89.8 vs 9.52 / 87.4 (tie) | reject |
 | Super Resolution 0.9.2-alpha.2 | S1 8.74 / 99.7 (loss), S5 1 % low −16.6 (loss) | reject on this proxy (P0-only lever; its first launch rewrites `fml.toml` and demands a restart) |
@@ -134,6 +135,8 @@ New mod adds (Iris Flywheel Compat, Flerovium) ⇒ **re-run B0** before any late
 
 ### B14 — spawn tuning (defaults vs shipped, 10 min per site, **1 run each**)
 
+*Superseded by Run 3 (4 runs per config).*
+
 | site | defaults total / tuned | shipped total / tuned |
 |---|---|---|
 | jungle (−8 107 −201) | 123 / 5 | 118 / 3 |
@@ -148,6 +151,52 @@ exercise it. **Inconclusive at n = 1**: needs ≥ 3 interleaved runs per config
 before any back-off; if it persists, the candidate is Fowl Play duck/goose weights.
 All runs: 33 count rows, `biome_ok=1`, config check ok.
 
+## Run 3 (2026-10-18): new mod set, Flerovium confirmation, B14 ×4
+
+Same machine and method, default JVM, **new mod set** (shipped in `7841361`: + Flerovium
+1.1.2, + Iris Flywheel Compat 2.4.0, ModernFix `dynamic_resources=true`). Numbers are
+p99 ms / 1 % low fps, medians of session medians.
+
+### B0v2 — noise floor for the new mod set (C0, S1, 3 sessions)
+
+| p99 | p99 spread | 1 % low | 1 % low spread | avg fps |
+|---|---|---|---|---|
+| 9.74 | **0.41 ms** | 87.2 | **1.6 fps** | 219 |
+
+These are the thresholds for any later matrix work on this mod set.
+
+### Flerovium confirmation (C1, 2 sessions each, interleaved on/off)
+
+| scene | Flerovium on | Flerovium off | Δ (on vs off) | verdict |
+|---|---|---|---|---|
+| S1 vista | 8.42 / 99.8 | 8.02 / 105.0 | p99 −0.40, 1 % low −5.2 | **loss** (1 % low drop > 1.6) |
+| S3 mob pen | 5.55 / 151.9 | 5.94 / 141.1 | p99 +0.39 (just under 0.41) | **tie / inconclusive** — S3 session spread is huge (p99 1.42–2.34 ms, 1 % low 32–61 fps) |
+
+**The run-2 win did not hold up** (it was measured against an anomalous S3 baseline).
+**Recommendation: remove Flerovium** — awaiting owner OK; it is currently shipped in `7841361`.
+
+### B14 — spawn tuning, 4 runs per config
+
+Median final count at 10 min within 128 blocks (total / tuned species):
+
+| site | defaults | shipped |
+|---|---|---|
+| jungle | 129.5 / 4.0 | 128.0 / 2.5 |
+| river | 208.0 / 34.5 | 211.5 / 28.5 |
+| warm ocean | 145.0 / 9.5 | 136.0 / 0.5 |
+
+The automated rule says **back off** (snail vanished at the jungle site, gazelle at the warm
+ocean), but both peaked at 1 per run — noise, not a disappearance. Sea bunny never appeared
+under either config, so this site doesn't exercise it. The warm-ocean tuned drop is mostly
+a Fowl Play goose/duck herd. **Verdict: the tuning is harmless but does not measurably
+reduce total entity load.** Owner decides keep vs revert; no config change made.
+
+### Shipping incident
+
+`7841361`'s `index.toml` captured hashes of runtime re-saved spawn configs, so the server's
+packwiz install failed (`Hash invalid`) at 14:06 and the server didn't start. Fixed by
+re-hashing in `c5d25fa` (server up 14:18). Nothing was pushed.
+
 ## Caveats
 
 - Run 2: Super Resolution's first launch flipped `earlyWindowControl` in the bench `fml.toml` (not journaled by the harness); later run-2 sessions started with it off. Loading-screen only — frametimes unaffected; startup times after 01:54 are not comparable. Reset 2026-10-18.