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Tier 2 replays the split-arm registrations - ~100 scenarios, the set Espryt's disaggregation work
has carried since P5 - and it measured green on Magma across all three transports. That is a real
result but it is NOT exit gate 1. The gate says the INTEGRATION BINARY is green under Magma split,
and the set that names is the one the monolith DirectVulkan. arm runs: the whole suite minus
MGL_ITEST_MONOLITH_MECHANISM_FILTER. 510 cases against tier 2's 102, and the readback matrices,
the same-texture copy shapes and the odd-offset uniform ranges are in it and nowhere else in the
disaggregated registry.
integration-magma-full-{split,spawn,tcp}, in no gating step, private log per entry through a list
of its own. THE RESULT: 453/0/57 on inproc, 453/0/57 on spawn, 454/1/57 on tcp - and not one of
the 1530 entries reaches any of the tree's fifteen @P7 named refusals. The single red is
IterationRPProgram203Scenario.FixedCompleteInputProducesFixedCompleteGoldenOutput on the TCP arm:
one texel of 262656, texel 0, which is the case's own exposure value
(IterationRPProgram203Scenario.cpp:371, actual half bits (0x357a, 0x4b65) against golden
(0x3a74, 0x4821)). Deterministic 5/5 on tcp; 5/5 GREEN on inproc, on spawn and on the monolith
control. spawn and tcp differ only in MOBILEGL_IPC_DATA, so the suspicion is the STREAM data path
and not "two processes"; the GLES tcp lane is green in the same run, so it is not the fixture.
Not fixed here - it is what the census is for.
TWO ENVIRONMENT DIFFERENCES FROM THE GATED TIERS, both measured rather than assumed:
* NO MGITEST_SPLIT_LANE=1. That marker arms ScenarioFixture's destructor assertion - a case in
an armed split lane must have moved the client encoder's record ordinal - which is right for
a curated lane and wrong for a whole-binary census. With it set, the first run produced 13
reds, all `EmitSeq was 20 at SetUp and is 20 now`: AdvertisedLimitsScenario (8),
SpirvShaderBinaryScenario (4) and ProgramPipelineScenario.AReservedName - a limits query is
answered from the client's CapsMirror and a shader-binary error surface never reaches a verb.
Those 13 would red on a DirectGLES census too. What it gives up is stated in the comment: this
tier does not prove its records crossed, and the tcp topology proof is inert in it.
* DualBlockScenario.* filtered out. Its green REQUIRES MOBILEGL_IPC_ROLE_SPLIT_STATE=1 and a
census must not set that knob; without it the case is red by name, which is its documented
negative-control behaviour. The monolith arm skips it for the same class of reason.
CtWireScenario gets MOBILEGL_TEST_SERVER_COUNTERS=1 in this tier - a switch that makes a counter
readable, not an oracle that asserts - because without it the spawn arm's ApplierReset case reds
on "server control-record telemetry missing", which says nothing about Magma. The strict-arming,
pmap and persistent-map-arm markers stay out.
The inproc-only exclusion in spawn_lane_parity.py is now PER TIER: in the gated tier the two
scenarios are registered on the inproc arm alone, in the census they are on every arm and simply
skip, so excluding them there would manufacture a spurious "extra".
Measured after the change: every pre-existing lane unchanged and green (magma-split 73,
spawn 52, tcp 54, all-* 102/102/104, GLES 186/102/104, buffers 19, runahead 14, caches 7), the
dual-block census 257 green / 2 skipped / 0 red with an empty ratchet, both new CI steps green,
parity RC=0 across all three tiers, G14 4155 -> 6095 with removed=0.
The note now carries the grouped red list, the 57 named skips by reason, the four pieces of
evidence that the tcp red is a defect and not plumbing, and six findings - the first being that
wave 2's clusters cannot be scheduled from this lane's red list, because on lavapipe there is
essentially none.
工作笔记（原 ~/w7/notes/）
这一层是 MGPipe 各阶段的工作笔记原件：包计划（BRIEF-*.md）、契约草稿、集成者逐条裁定
（INTEGRATOR-DECISIONS-*.md）、只读审计、普查、设备记录、包任务书（TASK-*.md）与阶段报告。
它们此前只存在于一台机器的 ~/w7/notes/ 下。上层那几份文档（ROADMAP.md、
CURRENT_STAGE_PROGRESS.md、MEASUREMENTS.md …）大量引用它们——裁定编号、审计行号、
逐门数字的出处几乎全在这里。一份引用了几百次、却只存在于本地未跟踪目录的记录，等于没有记录。
所以整体移进仓库。
路径映射
~/w7/notes/<phase>/<file>.md → docs/Disaggregated/notes/<phase>/<file>.md
上层文档里凡写作 ~/w7/notes/... 的 .md 引用，都按这条规则读。
移进来的是什么，没移的是什么
| 移进来了 | 全部 .md，415 份，约 11 MB，目录结构原样保留 |
| 没有移 | 脚本（.sh / .py）、运行日志（.log / .out / .err）、普查与门的结果数据（.json / .txt / .tsv）、补丁、APK 与 .idsig、nm 转储 |
没移的那些仍在 ~/w7/notes/ 与各构建树下。它们是证据数据而不是文档：体积大、随每次运行
重新产生、且多数只在产生它的那台机器上有意义（绝对路径、设备序列号、构建目录）。上层文档引用
它们时给的是路径，不是内容。
两个需要知道的例外
- P6 的包计划已提升为正式文档：原
~/w7/notes/p6/BRIEF-P6.md现在是../P6-SPAWN-PLAN.md，本目录不再保留副本，避免两份同源文档各自漂移。 契约草稿同理，见../P6-CONTRACT-DRAFT.md。 recovered/是从失败的 workflow 运行里捞回来的材料（wf1…wf5），与同名阶段目录 可能重复，保留是因为其中几份是当时唯一的完整版本。查阶段记录请先看阶段目录。
不受 citation lint 管
CI 的文档引用 lint 只吃 docs/Disaggregated/*.md（非递归，.github/workflows/test.yml），
本目录不在其中，这是有意的：这些笔记的 file:line 是写在各自当时的代码头上的，拿今天的
HEAD 去解析必然大面积失败，而那不是错误——那是它们作为历史记录的正确状态。要核对某份笔记的
引用，用它自己声明的那个 revision：
python3 scripts/check_doc_citations.py --rev <当时的头> docs/Disaggregated/notes/<phase>/<file>.md