Separate single and penetrating hit tests

[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 bea0f130b5 → HEAD 06e07ba831; benchmark order: base-first; workflow: success.

Session resilience

Metric	Base	HEAD
Attempted / planned	200 / 200	200 / 200
Direct observable pass	200 / 200	199 / 200
Failures / recovered	0 / 0	1 / 1
Recovery failures	0	0
Lifecycle order violations	0	0
Network order violations	0	0
Wall time	260.5 s	327.0 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	273.7 MiB	292.8 MiB	+19.1 MiB
Periodic peak PSS	271.1 MiB	290.7 MiB	+19.6 MiB
RSS · first 10 avg	208.6 MiB	223.3 MiB	+14.7 MiB
RSS · last 10 avg	229.0 MiB	261.0 MiB	+32.0 MiB
RSS · last − first window	+20.4 MiB	+37.7 MiB	+17.3 MiB
RSS · warm slope / 100 nav	+4.7 MiB	+5.5 MiB	+0.9 MiB
PSS · first 10 avg	206.0 MiB	221.1 MiB	+15.1 MiB
PSS · last 10 avg	226.9 MiB	258.8 MiB	+31.9 MiB
PSS · last − first window	+20.9 MiB	+37.7 MiB	+16.8 MiB
PSS · warm slope / 100 nav	+5.1 MiB	+5.5 MiB	+0.4 MiB
Peak file descriptors	53	49	-4
Peak threads	28	26	-2

HEAD memory by 50-navigation quarter

HEAD range	Avg RSS	Final RSS	Peak RSS	Avg PSS	Final PSS	Peak FD
1–50	239.5 MiB	212.6 MiB	273.8 MiB	237.4 MiB	210.6 MiB	44
51–100	254.3 MiB	275.0 MiB	284.6 MiB	252.2 MiB	273.0 MiB	45
101–150	251.2 MiB	223.1 MiB	283.0 MiB	249.1 MiB	221.0 MiB	44
151–200	253.3 MiB	249.4 MiB	285.3 MiB	251.2 MiB	247.4 MiB	45

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 bea0f130b554 → HEAD 06e07ba83189; benchmark order: base-first; workflow: success.

Public 48-site run · informational

Metric	Base	HEAD	Δ
Run status	success	success	—
Extracted rows / contract	179 / 240	179 / 240	0 (0.00%)
Contract fill	74.58%	74.58%	0.00 pp (0.00%)
Sites with rows	37 / 48	37 / 48	0 (0.00%)
Sites meeting row contract	35 / 48	35 / 48	0 (0.00%)
Unexpected empty sites	11	11	0 (0.00%)
Partial-row sites	2	2	0 (0.00%)
Site outcomes	extracted: 35; HTTP error + rows: 2; empty: 7; HTTP error + empty: 1; snapshot error + empty: 3	extracted: 36; HTTP error + rows: 1; empty: 7; HTTP error + empty: 1; snapshot error + empty: 3	—
Observed duration	44.30 s	38.24 s	-6.05 s (-13.66%)
Estimated CPU	35.31 s	33.63 s	-1.69 s (-4.77%)
Peak PSS	457.82 MiB	453.22 MiB	-4.60 MiB (-1.01%)
Peak RSS	460.13 MiB	455.34 MiB	-4.79 MiB (-1.04%)
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	27 / 40	27 / 40	0
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" [1.034, 2.537, 3.54, 4.04, 4.541, 5.042, 6.043, 7.544, 8.545, 10.048, 11.049, 11.55, 12.551, 13.553, 15.056, 16.057, 17.558, 18.559, 20.062, 21.063, 22.563, 23.563, 24.564, 26.067, 27.068, 28.57, 29.57, 31.074, 32.076, 33.576, 34.578, 36.081, 37.081, 38.583, 39.584, 41.086, 42.088, 43.59]
    y-axis "CPU percent" 0 --> 200
    line [51.97, 105.79, 71.81, 163.83, 133.81, 155.8, 77.93, 81.86, 133.98, 131.61, 7.99, 0, 13.99, 2, 3.99, 91.93, 5.99, 43.97, 39.95, 93.9, 104, 124.02, 111.77, 101.94, 139.84, 87.85, 107.86, 55.89, 69.83, 16.01, 63.9, 105.8, 108.01, 3.99, 5.99, 47.94, 45.94, 113.87]

Loading

xychart-beta
    title "Base memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.034, 1.034, 2.537, 3.54, 4.04, 4.541, 5.042, 6.043, 7.544, 8.545, 10.048, 11.049, 11.55, 12.551, 13.553, 15.056, 16.057, 17.558, 18.559, 20.062, 21.063, 22.563, 23.563, 24.564, 26.067, 27.068, 28.57, 29.57, 31.074, 32.076, 33.576, 34.578, 36.081, 37.081, 38.583, 39.584, 41.086, 42.088, 43.59, 44.295]
    y-axis "Memory MiB" 0 --> 500
    line [23.53, 121.93, 187.37, 209.04, 253.63, 266.23, 230.64, 221.57, 227.97, 238.74, 240.53, 208.73, 208.76, 170.19, 174.02, 180.09, 202.37, 186.99, 184.98, 193.93, 204.23, 320.76, 323.2, 326.15, 400.94, 460.13, 217.84, 243.45, 232.77, 222.05, 229.71, 243.41, 341.25, 227.05, 207.19, 207.56, 218.33, 207.96, 250.21, 0]
    line [21.81, 119.88, 185.32, 207, 251.59, 263.96, 228.51, 219.39, 218.15, 236.61, 238.41, 206.6, 206.63, 168.06, 171.89, 178.01, 199.63, 184.86, 182.86, 191.8, 200.69, 318.68, 320.75, 324.02, 400.83, 457.82, 215.71, 241.35, 230.64, 219.92, 227.61, 241.29, 339.12, 224.92, 205.06, 205.47, 216.24, 205.83, 247.75, 0]

Loading

HEAD

xychart-beta
    title "HEAD CPU"
    x-axis "Elapsed seconds" [1.036, 2.037, 3.039, 4.039, 4.54, 5.541, 6.542, 7.543, 8.545, 9.545, 10.547, 12.049, 13.05, 14.051, 15.053, 16.054, 17.055, 18.056, 19.556, 20.556, 21.557, 22.559, 23.059, 23.56, 24.561, 25.561, 26.563, 28.065, 29.066, 30.067, 30.568, 31.068, 32.071, 33.071, 34.073, 35.576, 36.578, 37.578]
    y-axis "CPU percent" 0 --> 200
    line [47.94, 111.89, 97.94, 141.92, 131.85, 129.86, 167.76, 89.89, 117.82, 129.82, 99.84, 117.86, 81.96, 57.87, 61.94, 37.95, 87.9, 99.87, 123.97, 118, 103.73, 99.88, 141.81, 141.81, 60.03, 99.87, 103.85, 78.04, 25.97, 23.97, 2, 35.95, 127.6, 107.95, 3.99, 147.84, 43.94, 113.79]

Loading

xychart-beta
    title "HEAD memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.036, 1.036, 2.037, 3.039, 4.039, 4.54, 5.541, 6.542, 7.543, 8.545, 9.545, 10.547, 12.049, 13.05, 14.051, 15.053, 16.054, 17.055, 18.056, 19.556, 20.556, 21.557, 22.559, 23.059, 23.56, 24.561, 25.561, 26.563, 28.065, 29.066, 30.067, 30.568, 31.068, 32.071, 33.071, 34.073, 35.576, 36.578, 37.578, 38.243]
    y-axis "Memory MiB" 0 --> 500
    line [23.79, 125.08, 150.9, 193.48, 227.63, 252.4, 223.05, 246.63, 218.27, 239.89, 256.35, 224.05, 229.81, 190.42, 184.16, 219.81, 195.22, 212.12, 273.08, 330, 322.52, 347.05, 406.54, 455.34, 237.64, 184.68, 257.61, 226.32, 203.59, 199.18, 210.08, 202.5, 209.21, 270.58, 247.47, 207.04, 236.63, 211.99, 251.86, 0]
    line [21.95, 122.99, 148.82, 191.39, 225.54, 250.31, 220.96, 244.51, 216.15, 237.76, 254.23, 221.93, 227.68, 188.29, 182.04, 217.68, 193.09, 209.99, 271.06, 327.88, 321.02, 344.94, 404.42, 453.22, 235.51, 182.61, 255.45, 224.19, 201.39, 197.05, 207.95, 200.38, 207.09, 268.45, 245.34, 204.92, 234.62, 209.86, 249.74, 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	19.91 s	-0.00 s (-0.01%)
Estimated CPU	0.46 s	0.45 s	-0.01 s (-1.95%)
Peak PSS	88.04 MiB	86.46 MiB	-1.58 MiB (-1.79%)
Peak RSS	90.03 MiB	88.48 MiB	-1.54 MiB (-1.71%)
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.