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Resolve used aspect ratios at layout boundaries - #105

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Resolve used aspect ratios at layout boundaries#105
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layout-replaced-aspect-ratio-sizing

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@ldm0 ldm0 commented Aug 17, 2026

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@ldm0
ldm0 force-pushed the layout-replaced-aspect-ratio-sizing branch from ff6d6b6 to 7e9e303 Compare August 21, 2026 05:06
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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 cb907cd5acff → HEAD 7e9e30319e4b; 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 41.62 s 42.21 s +0.60 s (+1.44%)
Estimated CPU 30.48 s 35.63 s +5.15 s (+16.90%)
Peak PSS 346.15 MiB 341.27 MiB -4.88 MiB (-1.41%)
Peak RSS 348.36 MiB 343.52 MiB -4.85 MiB (-1.39%)
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" [1.036, 2.038, 2.538, 3.54, 4.541, 6.042, 7.043, 7.544, 8.045, 9.546, 10.547, 11.548, 13.05, 13.55, 14.051, 15.052, 16.553, 17.555, 18.555, 20.057, 21.059, 22.062, 23.563, 24.565, 25.566, 27.067, 28.068, 29.07, 30.572, 31.573, 32.574, 34.077, 35.079, 36.081, 37.582, 38.583, 39.585, 41.086]
    y-axis "CPU percent" 0 --> 200
    line [49.94, 115.87, 121.82, 71.94, 143.82, 133.86, 71.96, 165.66, 61.91, 55.92, 115.86, 115.89, 3.99, 0, 7.99, 59.83, 95.93, 6, 45.98, 67.86, 31.91, 93.72, 91.85, 113.77, 68.02, 93.92, 111.84, 47.95, 25.97, 14, 101.82, 101.82, 37.91, 95.93, 57.93, 117.89, 43.94, 127.71]
Loading 
xychart-beta
    title "Base memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.036, 1.036, 2.038, 2.538, 3.54, 4.541, 6.042, 7.043, 7.544, 8.045, 9.546, 10.547, 11.548, 13.05, 13.55, 14.051, 15.052, 16.553, 17.555, 18.555, 20.057, 21.059, 22.062, 23.563, 24.565, 25.566, 27.067, 28.068, 29.07, 30.572, 31.573, 32.574, 34.077, 35.079, 36.081, 37.582, 38.583, 39.585, 41.086, 41.618]
    y-axis "Memory MiB" 0 --> 500
    line [23.06, 121.19, 150.76, 179.7, 189.55, 233.51, 229.61, 236.55, 247.22, 219.33, 206.87, 203.47, 238.07, 202.31, 202.31, 191.52, 200.09, 202.2, 184.85, 179.57, 185.43, 198.01, 199.58, 248.1, 229.36, 209.67, 214.7, 230.95, 206.93, 194.89, 201.19, 244.14, 348.36, 259.14, 259.95, 222.86, 209.83, 199.19, 239.49, 0]
    line [21.22, 119.05, 148.62, 177.56, 187.41, 231.41, 227.39, 234.33, 244.53, 217.11, 204.62, 201.25, 237.87, 200.09, 200.09, 189.3, 197.82, 199.98, 182.63, 177.35, 183.33, 195.79, 197.46, 245.89, 227.14, 207.45, 214.23, 228.73, 204.67, 192.68, 198.97, 241.28, 346.15, 256.92, 257.73, 220.64, 207.82, 196.97, 237.35, 0]
Loading

HEAD

xychart-beta
    title "HEAD CPU"
    x-axis "Elapsed seconds" [1.036, 2.038, 2.539, 3.54, 4.542, 6.043, 7.044, 8.546, 9.547, 10.549, 12.05, 13.05, 14.052, 15.554, 16.556, 17.557, 19.059, 20.061, 21.563, 22.564, 23.064, 23.565, 25.067, 26.067, 27.068, 28.57, 29.571, 30.572, 32.075, 33.076, 34.076, 35.078, 35.579, 36.58, 38.082, 39.083, 40.084, 41.584]
    y-axis "CPU percent" 0 --> 500
    line [0, 79.91, 0, 113.86, 91.81, 69.96, 105.91, 129.83, 123.8, 167.68, 64, 113.93, 137.77, 47.94, 71.87, 55.93, 63.94, 103.93, 99.93, 133.8, 193.86, 169.67, 121.85, 133.97, 63.91, 127.83, 83.91, 63.94, 11.97, 51.91, 111.96, 101.89, 129.85, 109.83, 55.97, 67.94, 31.95, 115.94]
Loading 
xychart-beta
    title "HEAD memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.035, 1.036, 2.038, 2.539, 3.54, 4.542, 6.043, 7.044, 8.546, 9.547, 10.549, 12.05, 13.05, 14.052, 15.554, 16.556, 17.557, 19.059, 20.061, 21.563, 22.564, 23.064, 23.565, 25.067, 26.067, 27.068, 28.57, 29.571, 30.572, 32.075, 33.076, 34.076, 35.078, 35.579, 36.58, 38.082, 39.083, 40.084, 41.584, 42.215]
    y-axis "Memory MiB" 0 --> 500
    line [22.98, 79.72, 133.98, 133.98, 149.46, 181.78, 216.26, 246.83, 229.32, 259.82, 258.97, 217.85, 231.7, 241.86, 214.87, 214.91, 222.81, 199.59, 234.27, 209.86, 220.55, 217.42, 242.25, 257.58, 221.26, 206.4, 246.96, 209.3, 206.36, 198.81, 215.43, 314.5, 343.52, 234.17, 238.68, 220.18, 212.36, 202.08, 244.19, 0]
    line [21.13, 77.52, 131.78, 131.78, 147.27, 179.58, 214.06, 244.63, 227.11, 257.61, 255.73, 215.47, 229.2, 239.74, 212.38, 212.69, 220.6, 197.37, 232.05, 207.62, 218.29, 215.22, 240.01, 254.94, 219.01, 204.15, 244.73, 207.06, 203.36, 196.56, 213.18, 313.86, 341.27, 231.92, 236.41, 217.9, 210.1, 199.82, 241.92, 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 19.94 s 19.92 s -0.02 s (-0.12%)
Estimated CPU 0.41 s 0.46 s +0.05 s (+12.14%)
Peak PSS 87.19 MiB 88.52 MiB +1.33 MiB (+1.52%)
Peak RSS 89.37 MiB 90.68 MiB +1.31 MiB (+1.46%)
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.

@github-actions

github-actions Bot commented Aug 21, 2026 •
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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 b1a3d24654 → HEAD 2064ec0b51; benchmark order: base-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 243.1 s 256.7 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 296.2 MiB 295.2 MiB -0.9 MiB
Periodic peak PSS 293.2 MiB 293.0 MiB -0.2 MiB
RSS · first 10 avg 212.6 MiB 199.0 MiB -13.5 MiB
RSS · last 10 avg 221.5 MiB 229.3 MiB +7.8 MiB
RSS · last − first window +8.9 MiB +30.2 MiB +21.3 MiB
RSS · warm slope / 100 nav +1.7 MiB -0.3 MiB -2.0 MiB
PSS · first 10 avg 210.0 MiB 196.4 MiB -13.6 MiB
PSS · last 10 avg 218.8 MiB 226.7 MiB +7.9 MiB
PSS · last − first window +8.9 MiB +30.3 MiB +21.5 MiB
PSS · warm slope / 100 nav +1.7 MiB -0.4 MiB -2.1 MiB
Peak file descriptors 53 54 1
Peak threads 28 28 0

HEAD memory by 50-navigation quarter

HEAD range Avg RSS Final RSS Peak RSS Avg PSS Final PSS Peak FD
1–50 221.7 MiB 198.7 MiB 293.7 MiB 219.3 MiB 196.2 MiB 53
51–100 228.2 MiB 212.8 MiB 291.3 MiB 225.7 MiB 210.3 MiB 52
101–150 230.5 MiB 202.2 MiB 294.8 MiB 228.0 MiB 199.6 MiB 42
151–200 228.1 MiB 214.5 MiB 289.9 MiB 225.5 MiB 212.0 MiB 43

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.

@ldm0
ldm0 force-pushed the layout-replaced-aspect-ratio-sizing branch 2 times, most recently from e2a0d85 to b2e0055 Compare August 25, 2026 15:24
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github-actions Bot commented Aug 25, 2026

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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 3cbc3c2b495a → HEAD b2e0055ca560; 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 38.92 s 37.96 s -0.95 s (-2.45%)
Estimated CPU 33.27 s 31.93 s -1.34 s (-4.03%)
Peak PSS 360.98 MiB 275.00 MiB -85.98 MiB (-23.82%)
Peak RSS 363.55 MiB 277.52 MiB -86.03 MiB (-23.66%)
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" [1.05, 2.053, 3.054, 3.556, 4.557, 5.558, 6.559, 7.062, 7.563, 8.564, 10.068, 11.069, 12.07, 13.072, 14.073, 14.573, 15.073, 16.575, 17.576, 18.577, 19.578, 20.58, 21.581, 23.081, 24.083, 25.084, 26.086, 27.087, 28.088, 29.59, 30.593, 31.593, 32.594, 33.595, 34.596, 36.099, 37.1, 38.102]
    y-axis "CPU percent" 0 --> 500
    line [53.97, 113.58, 105.8, 81.76, 167.75, 233.69, 159.72, 141.11, 127.77, 123.93, 169.57, 59.89, 103.89, 127.78, 37.93, 0, 4, 101.88, 81.92, 65.93, 123.89, 41.9, 115.89, 119.99, 73.83, 125.87, 117.76, 11.98, 29.96, 17.98, 45.93, 124.01, 43.94, 61.97, 4, 85.9, 49.93, 117.86]
Loading 
xychart-beta
    title "Base memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.05, 1.05, 2.053, 3.054, 3.556, 4.557, 5.558, 6.559, 7.062, 7.563, 8.564, 10.068, 11.069, 12.07, 13.072, 14.073, 14.573, 15.073, 16.575, 17.576, 18.577, 19.578, 20.58, 21.581, 23.081, 24.083, 25.084, 26.086, 27.087, 28.088, 29.59, 30.593, 31.593, 32.594, 33.595, 34.596, 36.099, 37.1, 38.102, 38.915]
    y-axis "Memory MiB" 0 --> 500
    line [23.51, 123.62, 148.97, 179.66, 193.45, 236.49, 321.65, 346.02, 363.55, 339.52, 337.08, 347.95, 320.94, 333.69, 247.05, 213.59, 204.38, 203.3, 227.86, 209.15, 199.57, 237.1, 198.8, 213.45, 280.78, 210.35, 214.85, 231.66, 203.98, 200.34, 205.23, 218.13, 282.55, 232.48, 225.02, 205.04, 222.86, 208.81, 246.73, 0]
    line [21.27, 121.06, 146.38, 177.08, 190.81, 233.92, 319.09, 343.39, 360.98, 336.39, 333.52, 344.97, 318.37, 331.12, 244.48, 211.01, 201.82, 200.88, 225.3, 206.59, 197.01, 234.54, 196.24, 208.63, 278.28, 207.79, 212.29, 229.1, 201.42, 197.78, 202.68, 215.57, 280.01, 229.92, 222.46, 202.48, 220.29, 205.39, 244.17, 0]
Loading

HEAD

xychart-beta
    title "HEAD CPU"
    x-axis "Elapsed seconds" [1.036, 2.038, 3.04, 4.041, 5.042, 5.543, 6.044, 6.545, 7.545, 8.547, 9.547, 10.548, 11.548, 12.55, 13.55, 15.052, 16.053, 17.054, 18.055, 19.055, 20.057, 21.059, 22.061, 23.063, 23.564, 24.565, 25.566, 26.568, 27.57, 28.571, 29.573, 30.574, 31.576, 32.577, 34.078, 35.08, 36.08, 37.081]
    y-axis "CPU percent" 0 --> 200
    line [0, 43.9, 95.87, 101.73, 161.91, 127.64, 161.7, 123.86, 136.05, 149.72, 60.03, 73.92, 121.99, 121.79, 35.96, 0, 101.95, 79.89, 51.96, 89.94, 35.94, 107.86, 125.83, 129.77, 115.74, 100.02, 99.89, 105.74, 19.96, 55.91, 71.85, 27.97, 111.71, 113.97, 17.96, 117.83, 59.94, 117.83]
Loading 
xychart-beta
    title "HEAD memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.035, 1.036, 2.038, 3.04, 4.041, 5.042, 5.543, 6.044, 6.545, 7.545, 8.547, 9.547, 10.548, 11.548, 12.55, 13.55, 15.052, 16.053, 17.054, 18.055, 19.055, 20.057, 21.059, 22.061, 23.063, 23.564, 24.565, 25.566, 26.568, 27.57, 28.571, 29.573, 30.574, 31.576, 32.577, 34.078, 35.08, 36.08, 37.081, 37.961]
    y-axis "Memory MiB" 0 --> 500
    line [23.56, 79.47, 121.73, 158.82, 196.04, 209.05, 242.33, 239.75, 240.29, 213.16, 249.63, 222.09, 201.95, 238.47, 225.56, 182.87, 182.39, 199.88, 188.31, 182.45, 217.44, 184.99, 209.61, 243.03, 251.43, 277.52, 208.21, 210.2, 218.53, 206.78, 211.69, 201.55, 210.18, 226.57, 216.39, 209.6, 210.78, 200.44, 220.2, 0]
    line [21.42, 76.99, 119.24, 156.33, 193.55, 206.57, 239.86, 237.25, 237.79, 210.67, 247.14, 219.58, 199.45, 235.95, 222.94, 180.35, 179.88, 197.36, 185.79, 179.27, 214.92, 182.47, 206.95, 240.52, 249.02, 275, 205.27, 207.68, 216.01, 204.26, 209.3, 199.04, 207.66, 224.05, 213.87, 207.08, 209.05, 197.91, 217.67, 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 20.01 s 20.05 s +0.04 s (+0.20%)
Estimated CPU 0.44 s 0.44 s -0.00 s (-0.45%)
Peak PSS 86.53 MiB 86.49 MiB -0.04 MiB (-0.04%)
Peak RSS 89.04 MiB 89.01 MiB -0.02 MiB (-0.03%)
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.

@ldm0
ldm0 force-pushed the layout-replaced-aspect-ratio-sizing branch from b2e0055 to 2064ec0 Compare August 26, 2026 21:03
@github-actions

github-actions Bot commented Aug 26, 2026

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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 b1a3d2465473 → HEAD 2064ec0b513e; 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 42.83 s 43.79 s +0.96 s (+2.25%)
Estimated CPU 31.72 s 30.88 s -0.84 s (-2.65%)
Peak PSS 282.97 MiB 247.28 MiB -35.69 MiB (-12.61%)
Peak RSS 285.77 MiB 249.64 MiB -36.13 MiB (-12.64%)
Peak threads 27 26 -1 (-3.70%)
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" [1.05, 2.05, 2.551, 3.552, 4.552, 5.053, 6.054, 7.059, 8.562, 9.563, 11.065, 12.066, 13.067, 14.569, 15.57, 16.57, 18.071, 19.073, 20.576, 21.576, 22.577, 24.078, 25.079, 26.58, 27.58, 28.581, 30.091, 31.092, 32.593, 33.595, 34.597, 35.598, 36.098, 37.1, 38.102, 39.605, 40.606, 42.109]
    y-axis "CPU percent" 0 --> 200
    line [37.97, 102.05, 111.89, 76.01, 151.9, 131.65, 111.92, 97.22, 113.85, 113.89, 131.77, 0, 34, 63.92, 19.99, 17.98, 4, 3.99, 6, 21.99, 24, 125.98, 129.85, 113.83, 90.01, 141.84, 78.63, 17.95, 98.07, 9.98, 51.96, 119.77, 95.94, 91.82, 49.87, 129.88, 51.93, 119.77]
Loading 
xychart-beta
    title "Base memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.05, 1.05, 2.05, 2.551, 3.552, 4.552, 5.053, 6.054, 7.059, 8.562, 9.563, 11.065, 12.066, 13.067, 14.569, 15.57, 16.57, 18.071, 19.073, 20.576, 21.576, 22.577, 24.078, 25.079, 26.58, 27.58, 28.581, 30.091, 31.092, 32.593, 33.595, 34.597, 35.598, 36.098, 37.1, 38.102, 39.605, 40.606, 42.109, 42.826]
    y-axis "Memory MiB" 0 --> 500
    line [20.7, 118.03, 165.02, 172.92, 177.58, 240.18, 231.34, 210.26, 225.04, 216.14, 218.54, 235.15, 217.11, 184.18, 193.28, 186.36, 177.12, 170, 169.58, 169.05, 201.82, 184.57, 206.85, 232.15, 264.84, 203.55, 213.42, 201.71, 196.14, 204.55, 203.67, 197.83, 285.77, 221.75, 209, 206.09, 218.18, 197.46, 219.63, 0]
    line [18.64, 115.58, 162.57, 170.1, 174.66, 237.71, 228.86, 207.83, 222.52, 213.19, 215.74, 232.57, 214.47, 181.35, 190.86, 183.9, 174.63, 167.55, 167.13, 166.6, 199.87, 182.12, 205.72, 229.22, 261.82, 201.13, 211.12, 199.19, 193.64, 202.1, 201.22, 195.4, 282.97, 221.45, 206.56, 203.64, 215.73, 195.02, 217.18, 0]
Loading

HEAD

xychart-beta
    title "HEAD CPU"
    x-axis "Elapsed seconds" [1.036, 2.538, 3.538, 4.039, 4.539, 5.039, 6.04, 7.543, 8.545, 10.047, 11.048, 12.049, 13.551, 14.553, 16.056, 17.058, 17.559, 18.56, 19.562, 21.064, 22.065, 23.067, 24.568, 25.569, 27.071, 28.072, 29.573, 30.574, 32.076, 33.077, 34.078, 35.58, 36.582, 38.084, 39.085, 40.586, 41.587, 43.088]
    y-axis "CPU percent" 0 --> 200
    line [23.97, 127.82, 109.98, 155.77, 151.9, 121.95, 137.89, 153.77, 41.91, 141.93, 69.89, 79.87, 115.91, 49.87, 39.94, 5.99, 0, 9.99, 2, 2, 1.99, 2, 54.01, 107.92, 125.8, 115.82, 67.93, 121.84, 41.93, 33.97, 77.89, 29.97, 101.84, 41.94, 51.94, 120.11, 63.96, 103.94]
Loading 
xychart-beta
    title "HEAD memory: RSS then PSS"
    x-axis "Elapsed seconds" [0.035, 1.036, 2.538, 3.538, 4.039, 4.539, 5.039, 6.04, 7.543, 8.545, 10.047, 11.048, 12.049, 13.551, 14.553, 16.056, 17.058, 17.559, 18.56, 19.562, 21.064, 22.065, 23.067, 24.568, 25.569, 27.071, 28.072, 29.573, 30.574, 32.076, 33.077, 34.078, 35.58, 36.582, 38.084, 39.085, 40.586, 41.587, 43.088, 43.791]
    y-axis "Memory MiB" 0 --> 500
    line [20.95, 103.71, 169.71, 187.86, 209.78, 221.3, 228.13, 217.19, 238.64, 218.65, 223.14, 211.06, 202.9, 193.08, 176.7, 169.71, 164.4, 164.4, 168.02, 174.45, 171.7, 172.57, 172.8, 179, 205.8, 244.64, 249.64, 197.46, 233.54, 200, 195.61, 198.71, 204.24, 218.52, 189.57, 209.12, 205.51, 201, 215.75, 0]
    line [18.84, 101.27, 167.28, 187.46, 207.37, 218.88, 221.6, 214.83, 236.17, 216.18, 220.68, 208.59, 200.31, 190.61, 174.23, 167.25, 161.93, 161.93, 165.54, 172.03, 169.24, 170.11, 170.34, 175.02, 203.35, 242.18, 247.28, 195, 231.08, 197.54, 193.01, 196.25, 202.47, 216.06, 187.11, 206.66, 203.04, 198.53, 213.28, 0]
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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 19.92 s 19.93 s +0.01 s (+0.05%)
Estimated CPU 0.43 s 0.45 s +0.02 s (+4.63%)
Peak PSS 84.73 MiB 86.71 MiB +1.98 MiB (+2.34%)
Peak RSS 87.08 MiB 89.04 MiB +1.95 MiB (+2.24%)
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.

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