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Fix delta comparison: only compare entries of the same script
Both HtmlReporter and TrendReporter were comparing each entry's SCI to the chronologically previous entry regardless of which script it belonged to. This produced misleading ▲ worse arrows when transitioning between different scripts (e.g., string→database). Fix: track last SCI per script_filename. Delta is only shown when the same script has a previous measurement to compare against. Before: database iter1 showed ▲ worse (vs string iter3 — wrong script) After: database iter1 shows no delta (first measurement of this script) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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‎bin/sci-profiler.phar‎

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‎examples/results/dashboard.html‎

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</head>
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<body>
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<h1>SCI Profiler Dashboard</h1>
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<p class="meta">Machine: SCI Profiler examples | Generated: 2026-03-19T00:13:51+00:00</p>
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<p class="meta">Machine: SCI Profiler examples | Generated: 2026-03-19T00:16:26+00:00</p>
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<div class="cards">
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<div class="card">
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</div>
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<div class="card">
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<div class="label">Avg SCI Score</div>
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<div class="value">0.21745733333333</div>
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<div class="value">0.21762355555556</div>
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<div class="unit">mgCO2eq / request</div>
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</div>
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<div class="card">
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<div class="label">Total Emissions</div>
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<div class="value">1.957116</div>
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<div class="value">1.958612</div>
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<div class="unit">mgCO2eq</div>
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</div>
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<div class="card">
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<div class="label">Avg Response Time</div>
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<div class="value">32.562888888889</div>
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<div class="value">32.587777777778</div>
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<div class="unit">ms</div>
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<h2>SCI Timeline (Last 9)</h2><div class="timeline-box"><svg viewBox="0 0 800 150" xmlns="http://www.w3.org/2000/svg"><line x1="60" y1="102.5" x2="790" y2="102.5" stroke="#eee" stroke-width="1"/><line x1="60" y1="75.0" x2="790" y2="75.0" stroke="#eee" stroke-width="1"/><line x1="60" y1="47.5" x2="790" y2="47.5" stroke="#eee" stroke-width="1"/><polygon points="60.0,95.7 151.2,100.2 242.5,105.8 333.8,20.0 425.0,83.3 516.2,130.0 607.5,24.7 698.8,81.5 790.0,98.8 790.0,130.0 60.0,130.0" fill="rgba(45,106,79,0.1)" /><polyline points="60.0,95.7 151.2,100.2 242.5,105.8 333.8,20.0 425.0,83.3 516.2,130.0 607.5,24.7 698.8,81.5 790.0,98.8" fill="none" stroke="#2d6a4f" stroke-width="2" stroke-linejoin="round" /><text x="55" y="24.0" font-size="10" fill="#888" text-anchor="end">0.4905</text><text x="55" y="134.0" font-size="10" fill="#888" text-anchor="end">0.0079</text><text x="60" y="148" font-size="9" fill="#aaa">2026-03-19T00:13</text><text x="790" y="148" font-size="9" fill="#aaa" text-anchor="end">2026-03-19T00:13</text></svg></div>
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<h2>SCI Timeline (Last 9)</h2><div class="timeline-box"><svg viewBox="0 0 800 150" xmlns="http://www.w3.org/2000/svg"><line x1="60" y1="102.5" x2="790" y2="102.5" stroke="#eee" stroke-width="1"/><line x1="60" y1="75.0" x2="790" y2="75.0" stroke="#eee" stroke-width="1"/><line x1="60" y1="47.5" x2="790" y2="47.5" stroke="#eee" stroke-width="1"/><polygon points="60.0,93.2 151.2,97.7 242.5,107.4 333.8,20.6 425.0,82.5 516.2,130.0 607.5,20.0 698.8,78.4 790.0,96.5 790.0,130.0 60.0,130.0" fill="rgba(45,106,79,0.1)" /><polyline points="60.0,93.2 151.2,97.7 242.5,107.4 333.8,20.6 425.0,82.5 516.2,130.0 607.5,20.0 698.8,78.4 790.0,96.5" fill="none" stroke="#2d6a4f" stroke-width="2" stroke-linejoin="round" /><text x="55" y="24.0" font-size="10" fill="#888" text-anchor="end">0.4761</text><text x="55" y="134.0" font-size="10" fill="#888" text-anchor="end">0.0076</text><text x="60" y="148" font-size="9" fill="#aaa">2026-03-19T00:16</text><text x="790" y="148" font-size="9" fill="#aaa" text-anchor="end">2026-03-19T00:16</text></svg></div>
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<h2>Measurement Parameters</h2><div class="config-grid"><div class="config-item"><div class="ck">Device Power (E)</div><div class="cv">18 W</div></div><div class="config-item"><div class="ck">Grid Carbon Intensity (I)</div><div class="cv">332 gCO2eq/kWh</div></div><div class="config-item"><div class="ck">Embodied Carbon (M)</div><div class="cv">211,000 gCO2eq</div></div><div class="config-item"><div class="ck">Device Lifetime</div><div class="cv">11,680 hours</div></div></div>
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<th>Trend</th>
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</thead>
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<tbody><tr><td>examples/01-string-processing.php</td><td class="num">3</td><td class="num">0.1370</td><td class="num">20.52</td><td class="num">18.0</td><td><svg class="sparkline" width="120" height="24" viewBox="0 0 120 24"><polyline points="0.0,2.0 60.0,10.9 120.0,22.0" fill="none" stroke="#2d6a4f" stroke-width="1.5" stroke-linejoin="round" /></svg></td><td><span class="lastprev">0.1386 → 0.1140 <span class="arrow" style="color:#28a745">▼ -17.8%</span></span></td><td></td></tr><tr><td>examples/02-database-simulation.php</td><td class="num">3</td><td class="num">0.2370</td><td class="num">35.49</td><td class="num">4.0</td><td><svg class="sparkline" width="120" height="24" viewBox="0 0 120 24"><polyline points="0.0,2.0 60.0,13.5 120.0,22.0" fill="none" stroke="#2d6a4f" stroke-width="1.5" stroke-linejoin="round" /></svg></td><td><span class="lastprev">0.2126 → 0.0079 <span class="arrow" style="color:#28a745">▼ -96.3%</span></span></td><td></td></tr><tr><td>examples/03-json-api.php</td><td class="num">3</td><td class="num">0.2783</td><td class="num">41.68</td><td class="num">48.9</td><td><svg class="sparkline" width="120" height="24" viewBox="0 0 120 24"><polyline points="0.0,2.0 60.0,17.3 120.0,22.0" fill="none" stroke="#2d6a4f" stroke-width="1.5" stroke-linejoin="round" /></svg></td><td><span class="lastprev">0.2206 → 0.1446 <span class="arrow" style="color:#28a745">▼ -34.4%</span></span></td><td></td></tr></tbody>
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<tbody><tr><td>examples/01-string-processing.php</td><td class="num">3</td><td class="num">0.1379</td><td class="num">20.65</td><td class="num">18.0</td><td><svg class="sparkline" width="120" height="24" viewBox="0 0 120 24"><polyline points="0.0,2.0 60.0,8.3 120.0,22.0" fill="none" stroke="#2d6a4f" stroke-width="1.5" stroke-linejoin="round" /></svg></td><td><span class="lastprev">0.1453 → 0.1039 <span class="arrow" style="color:#28a745">▼ -28.5%</span></span></td><td></td></tr><tr><td>examples/02-database-simulation.php</td><td class="num">3</td><td class="num">0.2303</td><td class="num">34.48</td><td class="num">4.0</td><td><svg class="sparkline" width="120" height="24" viewBox="0 0 120 24"><polyline points="0.0,2.0 60.0,13.3 120.0,22.0" fill="none" stroke="#2d6a4f" stroke-width="1.5" stroke-linejoin="round" /></svg></td><td><span class="lastprev">0.2098 → 0.0076 <span class="arrow" style="color:#28a745">▼ -96.4%</span></span></td><td></td></tr><tr><td>examples/03-json-api.php</td><td class="num">3</td><td class="num">0.2847</td><td class="num">42.63</td><td class="num">48.9</td><td><svg class="sparkline" width="120" height="24" viewBox="0 0 120 24"><polyline points="0.0,2.0 60.0,17.3 120.0,22.0" fill="none" stroke="#2d6a4f" stroke-width="1.5" stroke-linejoin="round" /></svg></td><td><span class="lastprev">0.2275 → 0.1505 <span class="arrow" style="color:#28a745">▼ -33.8%</span></span></td><td></td></tr></tbody>
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<h2>Recent Requests</h2>
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<th>Peak (MB)</th>
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<tbody><tr><td>2026-03-19T00:13:51</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/03-json-api.php</td><td class="num">21.66</td><td class="num">0.1446 <span class="delta better">▼</span></td><td class="num">22.47</td></tr><tr><td>2026-03-19T00:13:50</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/03-json-api.php</td><td class="num">33.03</td><td class="num">0.2206 <span class="delta better">▼</span></td><td class="num">30.47</td></tr><tr><td>2026-03-19T00:13:49</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/03-json-api.php</td><td class="num">70.34</td><td class="num">0.4698 <span class="delta worse">▲</span></td><td class="num">48.94</td></tr><tr><td>2026-03-19T00:13:49</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/02-database-simulation.php</td><td class="num">1.18</td><td class="num">0.0079 <span class="delta better">▼</span></td><td class="num">4</td></tr><tr><td>2026-03-19T00:13:48</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/02-database-simulation.php</td><td class="num">31.84</td><td class="num">0.2126 <span class="delta better">▼</span></td><td class="num">4</td></tr><tr><td>2026-03-19T00:13:47</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/02-database-simulation.php</td><td class="num">73.45</td><td class="num">0.4905 <span class="delta worse">▲</span></td><td class="num">4</td></tr><tr><td>2026-03-19T00:13:46</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/01-string-processing.php</td><td class="num">17.07</td><td class="num">0.1140 <span class="delta better">▼</span></td><td class="num">18</td></tr><tr><td>2026-03-19T00:13:45</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/01-string-processing.php</td><td class="num">20.76</td><td class="num">0.1386 <span class="delta better">▼</span></td><td class="num">18</td></tr><tr><td>2026-03-19T00:13:44</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/01-string-processing.php</td><td class="num">23.73</td><td class="num">0.1585</td><td class="num">16</td></tr></tbody>
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<tbody><tr><td>2026-03-19T00:16:26</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/03-json-api.php</td><td class="num">22.54</td><td class="num">0.1505 <span class="delta better">▼</span></td><td class="num">22.47</td></tr><tr><td>2026-03-19T00:16:25</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/03-json-api.php</td><td class="num">34.06</td><td class="num">0.2275 <span class="delta better">▼</span></td><td class="num">30.47</td></tr><tr><td>2026-03-19T00:16:24</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/03-json-api.php</td><td class="num">71.30</td><td class="num">0.4761</td><td class="num">48.94</td></tr><tr><td>2026-03-19T00:16:24</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/02-database-simulation.php</td><td class="num">1.15</td><td class="num">0.0076 <span class="delta better">▼</span></td><td class="num">4</td></tr><tr><td>2026-03-19T00:16:23</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/02-database-simulation.php</td><td class="num">31.42</td><td class="num">0.2098 <span class="delta better">▼</span></td><td class="num">4</td></tr><tr><td>2026-03-19T00:16:21</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/02-database-simulation.php</td><td class="num">70.89</td><td class="num">0.4734</td><td class="num">4</td></tr><tr><td>2026-03-19T00:16:21</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/01-string-processing.php</td><td class="num">15.55</td><td class="num">0.1039 <span class="delta better">▼</span></td><td class="num">18</td></tr><tr><td>2026-03-19T00:16:20</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/01-string-processing.php</td><td class="num">21.75</td><td class="num">0.1453 <span class="delta better">▼</span></td><td class="num">18</td></tr><tr><td>2026-03-19T00:16:19</td><td>CLI</td><td>/Users/fullo/Development/sci-profiler-php/examples/01-string-processing.php</td><td class="num">24.63</td><td class="num">0.1645</td><td class="num">16</td></tr></tbody>
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</html>

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