Model inline offset geometry from fragments

[ldm0]

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[github-actions]

Sequential Navigation Soak A/B

✅ HEAD completed the 200-navigation resilience and memory observation.

One browser process, one target, and one CDP session navigate CSDN → SegmentFault → Huaban → example.com repeatedly. This run issued 200 Page.navigate commands per binary.

Common ancestor 94b59802b1 → HEAD 71bfae1e11; benchmark order: head-first; workflow: success.

Session resilience

Metric	Base	HEAD
Attempted / planned	200 / 200	200 / 200
Direct observable pass	200 / 200	200 / 200
Failures / recovered	0 / 0	0 / 0
Recovery failures	0	0
Lifecycle order violations	0	0
Network order violations	0	0
Wall time	279.3 s	317.5 s

A public-page failure is reported separately from an unrecoverable session. The soak requires all navigation attempts, zero failed recovery, zero lifecycle/network ordering violations, and complete resource evidence.

Process-tree memory

Metric	Base	HEAD	Δ
Boundary samples	200	200	0
Boundary RSS samples	200	200	0
Boundary PSS samples	200	200	0
Periodic peak RSS	289.0 MiB	288.6 MiB	-0.4 MiB
Periodic peak PSS	287.9 MiB	286.4 MiB	-1.5 MiB
RSS · first 10 avg	217.1 MiB	214.3 MiB	-2.8 MiB
RSS · last 10 avg	246.2 MiB	254.6 MiB	+8.4 MiB
RSS · last − first window	+29.1 MiB	+40.2 MiB	+11.1 MiB
RSS · warm slope / 100 nav	+4.9 MiB	+2.7 MiB	-2.2 MiB
PSS · first 10 avg	215.2 MiB	212.0 MiB	-3.2 MiB
PSS · last 10 avg	244.1 MiB	252.5 MiB	+8.4 MiB
PSS · last − first window	+28.8 MiB	+40.4 MiB	+11.6 MiB
PSS · warm slope / 100 nav	+4.9 MiB	+2.5 MiB	-2.4 MiB
Peak file descriptors	49	49	0
Peak threads	26	28	2

HEAD memory by 50-navigation quarter

HEAD range	Avg RSS	Final RSS	Peak RSS	Avg PSS	Final PSS	Peak FD
1–50	240.1 MiB	205.5 MiB	278.5 MiB	237.9 MiB	203.3 MiB	43
51–100	252.6 MiB	269.6 MiB	282.0 MiB	250.4 MiB	267.5 MiB	44
101–150	252.0 MiB	211.9 MiB	279.6 MiB	249.4 MiB	209.3 MiB	42
151–200	251.5 MiB	271.2 MiB	276.6 MiB	249.1 MiB	269.2 MiB	44

Raw reports and per-navigation boundary samples: workflow run and full sequential-navigation-soak-results artifact.

Public-site timing and memory are observational. Use the A/B deltas and trend shape as evidence, not as a deterministic performance threshold.

[github-actions]

Spider Bench A/B

✅ All benchmark browser service runs completed; results are informational.

Public HEAD: 179 / 240 rows; 37 / 48 sites produced rows; 11 unexpected empty sites.

✅ Deterministic fixture diagnostic is clean.

Common ancestor 94b59802b13b → HEAD 71bfae1e11d3; benchmark order: head-first; workflow: success.

Public 48-site run · informational

Metric	Base	HEAD	Δ
Run status	success	success	—
Extracted rows / contract	184 / 240	179 / 240	-5 (-2.72%)
Contract fill	76.67%	74.58%	-2.09 pp (-2.73%)
Sites with rows	38 / 48	37 / 48	-1 (-2.63%)
Sites meeting row contract	36 / 48	35 / 48	-1 (-2.78%)
Unexpected empty sites	10	11	+1 (+10.00%)
Partial-row sites	2	2	0 (0.00%)
Site outcomes	extracted: 37; HTTP error + rows: 1; empty: 6; HTTP error + empty: 1; snapshot error + empty: 3	extracted: 35; HTTP error + rows: 2; empty: 7; HTTP error + empty: 1; snapshot error + empty: 3	—
Observed duration	43.10 s	47.95 s	+4.85 s (+11.26%)
Estimated CPU	34.57 s	37.26 s	+2.69 s (+7.78%)
Peak PSS	467.56 MiB	462.46 MiB	-5.09 MiB (-1.09%)
Peak RSS	469.83 MiB	464.59 MiB	-5.24 MiB (-1.12%)
Peak threads	27	27	0 (0.00%)
Mismatched sites	0	0	0
Timeout with items	0	0	0

Category rows	Base	HEAD	Δ
news	35 / 40	35 / 40	0
stocks	20 / 40	20 / 40	0
tech	35 / 40	35 / 40	0
sports	32 / 40	27 / 40	-5
games	37 / 40	37 / 40	0
life	25 / 40	25 / 40	0

Public-site content, timing, and memory are noisy. This single A/B run reports evidence only; site outcome counts explain missing rows without treating them as a deterministic regression.

CPU and memory timelines

These are bounded 40-point views of the same complete process-tree samples used by the HTML report. CPU uses 100% per occupied logical core; memory lines are RSS first and PSS second when complete PSS samples are available.

Base

xychart-beta
    title "Base CPU"
    x-axis "Elapsed seconds" [1.035, 2.038, 2.538, 3.539, 5.041, 6.043, 7.545, 8.545, 9.547, 11.048, 12.05, 13.551, 14.552, 15.553, 17.055, 18.056, 19.557, 20.057, 20.557, 22.06, 23.061, 24.062, 25.564, 26.565, 27.066, 28.067, 29.069, 30.071, 31.574, 32.575, 34.076, 35.078, 36.58, 37.583, 38.584, 40.086, 41.086, 42.588]
    y-axis "CPU percent" 0 --> 200
    line [45.96, 0, 33.95, 117.84, 109.95, 45.96, 131.81, 147.88, 53.92, 127.88, 133.81, 17.98, 125.91, 99.91, 57.94, 107.84, 147.86, 154.02, 125.95, 73.82, 107.86, 129.84, 103.78, 102.02, 141.8, 119.8, 83.89, 123.8, 45.94, 73.99, 21.98, 113.81, 97.82, 0, 0, 67.9, 23.96, 125.97]

Loading

xychart-beta
    title "Base memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.035, 1.035, 2.038, 2.538, 3.539, 5.041, 6.043, 7.545, 8.545, 9.547, 11.048, 12.05, 13.551, 14.552, 15.553, 17.055, 18.056, 19.557, 20.057, 20.557, 22.06, 23.061, 24.062, 25.564, 26.565, 27.066, 28.067, 29.069, 30.071, 31.574, 32.575, 34.076, 35.078, 36.58, 37.583, 38.584, 40.086, 41.086, 42.588, 43.101]
    y-axis "Memory MiB" 0 --> 500
    line [23.3, 122.69, 131.52, 137.95, 177.69, 206.96, 232.5, 225.14, 257.19, 221.62, 238.89, 251.43, 197.39, 211.59, 200.3, 189.79, 234.41, 229.86, 242.79, 255.54, 274.98, 368.88, 337.13, 360.88, 419.91, 469.83, 219.14, 214.28, 266.83, 219.57, 208.69, 215.27, 279.31, 245.53, 225.08, 223.23, 240.59, 220.79, 254.13, 0]
    line [21.53, 120.64, 129.47, 135.76, 175.64, 204.91, 231.11, 223.08, 255.03, 219.6, 236.87, 249.39, 195.71, 209.54, 198.25, 187.44, 232.07, 227.51, 240.45, 253.27, 272.74, 366.53, 334.78, 358.58, 417.56, 467.56, 216.79, 211.94, 264.48, 217.22, 206.35, 212.92, 276.97, 243.18, 222.73, 220.88, 238.26, 218.44, 251.81, 0]

Loading

HEAD

xychart-beta
    title "HEAD CPU"
    x-axis "Elapsed seconds" [1.036, 1.536, 2.538, 3.539, 4.04, 5.541, 6.543, 7.544, 8.044, 9.547, 10.547, 12.049, 13.551, 14.553, 16.055, 17.557, 18.558, 20.059, 21.56, 22.561, 24.063, 25.564, 26.568, 28.073, 29.581, 30.582, 32.083, 33.583, 34.584, 36.086, 37.591, 38.593, 40.1, 41.601, 42.603, 44.104, 45.605, 46.606]
    y-axis "CPU percent" 0 --> 200
    line [21.97, 95.87, 3.99, 128.04, 101.83, 159.84, 13.98, 172, 119.85, 161.73, 12, 31.94, 79.82, 123.81, 0, 79.87, 105.8, 21.97, 123.87, 66.03, 77.86, 126.01, 129.17, 109.89, 134.09, 117.97, 122.04, 11.99, 109.9, 61.95, 7.99, 41.88, 134.57, 81.93, 87.93, 64.01, 133.6, 95.88]

Loading

xychart-beta
    title "HEAD memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.035, 1.036, 1.536, 2.538, 3.539, 4.04, 5.541, 6.543, 7.544, 8.044, 9.547, 10.547, 12.049, 13.551, 14.553, 16.055, 17.557, 18.558, 20.059, 21.56, 22.561, 24.063, 25.564, 26.568, 28.073, 29.581, 30.582, 32.083, 33.583, 34.584, 36.086, 37.591, 38.593, 40.1, 41.601, 42.603, 44.104, 45.605, 46.606, 47.953]
    y-axis "Memory MiB" 0 --> 500
    line [23.54, 107.54, 135.55, 130.28, 181.04, 198.14, 244.13, 231.93, 233.46, 230.53, 244.48, 219.73, 211.51, 206.71, 245.09, 213.58, 236.8, 237.68, 207.66, 246.25, 215.07, 231.06, 307.13, 330.82, 340.39, 464.59, 232.52, 237.98, 224.9, 223.98, 197.55, 207.91, 213.27, 343.59, 241.57, 240.08, 242.16, 229.34, 225.17, 0]
    line [21.8, 105.52, 133.54, 128.27, 178.96, 198.13, 242.11, 229.92, 231.39, 228.46, 241.96, 217.64, 209.41, 204.6, 242.98, 211.48, 234.7, 235.59, 205.56, 244.15, 212.97, 229.02, 305, 325.65, 338.3, 462.46, 230.43, 235.86, 222.78, 221.86, 195.43, 205.78, 211.48, 341.47, 239.47, 238.01, 240.05, 226.79, 222.79, 0]

Loading

Deterministic fixture · diagnostic

The fixture exercises 15 routes: 8 are expected to emit rows and 7 intentionally exercise empty, loading, or timeout behavior.

Metric	Base	HEAD	Δ
Run status	success	success	—
Extracted rows / contract	40 / 40	40 / 40	0 (0.00%)
Contract fill	100.00%	100.00%	0.00 pp (0.00%)
Sites with rows	8 / 15	8 / 15	0 (0.00%)
Sites meeting row contract	15 / 15	15 / 15	0 (0.00%)
Unexpected empty sites	0	0	0
Partial-row sites	0	0	0
Site outcomes	extracted: 7; HTTP error + rows: 1; empty: 3; timeout + empty: 4	extracted: 7; HTTP error + rows: 1; empty: 3; timeout + empty: 4	—
Observed duration	19.91 s	19.92 s	+0.02 s (+0.09%)
Estimated CPU	0.46 s	0.45 s	-0.01 s (-1.95%)
Peak PSS	87.50 MiB	88.90 MiB	+1.40 MiB (+1.60%)
Peak RSS	89.56 MiB	90.91 MiB	+1.36 MiB (+1.51%)
Peak threads	18	18	0 (0.00%)
Mismatched sites	0	0	0
Timeout with items	0	0	0

Full HTML, JSON, CSV, logs, and page snapshots: workflow run and full spider-bench-results artifact.

Spider Bench is informational: site failures, missing benchmark reports, failed browser service runs, fixture diagnostics, timing, and performance deltas do not fail the workflow. Build, runner, and artifact infrastructure errors can still fail it.