$ mvn clean verify -B --no-transfer-progress -DskipPerformanceValidation=true [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 99, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- clean:3.2.0:clean (default-clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target [INFO] [INFO] --- flatten:1.7.0:clean (flatten.clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/.flattened-pom.xml [INFO] [INFO] --- resources:3.3.1:resources (default-resources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/main/resources [INFO] [INFO] --- flatten:1.7.0:flatten (flatten) @ svg-visualizations --- [INFO] Generating flattened POM of project in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 2 source files with javac [debug release 21] to target/classes [INFO] [INFO] --- resources:3.3.1:testResources (default-testResources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/resources [INFO] [INFO] --- compiler:3.13.0:testCompile (default-testCompile) @ svg-visualizations --- [INFO] Recompiling the module because of changed dependency. [INFO] Compiling 13 source files with javac [debug release 21] to target/test-classes [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java uses or overrides a deprecated API. [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: Recompile with -Xlint:deprecation for details. [INFO] [INFO] --- surefire:3.2.5:test (default-test) @ svg-visualizations --- [INFO] Using auto detected provider org.apache.maven.surefire.junitplatform.JUnitPlatformProvider [INFO] [INFO] ------------------------------------------------------- [INFO] T E S T S [INFO] ------------------------------------------------------- [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-107-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-04-10T06:39:31.192360158Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:40:14.343 [main] INFO com.vaadin.flow.server.DefaultDeploymentConfiguration -- Vaadin is running in production mode. === SparkLine draw() CPU Time Analysis === Measuring time to execute draw() with real components... Data Points | No Smoothing | Moving Avg | RDP -------------|----------------|----------------|---------------- 100 | 1.79 ms | 2.28 ms | 1.75 ms 1,000 | 3.58 ms | 2.58 ms | 3.76 ms 10,000 | 18.87 ms | 4.33 ms | 3.77 ms 49,871 | 26.83 ms | 5.16 ms | 40.58 ms 97,643 | 46.92 ms | 6.33 ms | 4.24 ms 495,995 | 254.91 ms | 35.76 ms | 24.95 ms 944,282 | 434.71 ms | 97.55 ms | 91.45 ms Note: Times include full SVG element creation and DOM operations. === WindRose draw() CPU Time Analysis === Measuring time to aggregate and draw WindRose with real components... Input Records | Aggregation | Draw | Total --------------|----------------|----------------|---------------- 1,000 | 413.5 µs | 1.04 ms | 1.46 ms 10,000 | 1.44 ms | 762.9 µs | 2.20 ms 50,000 | 6.76 ms | 764.1 µs | 7.52 ms 100,000 | 8.99 ms | 902.9 µs | 9.89 ms 500,000 | 20.61 ms | 796.2 µs | 21.41 ms 948,423 | 42.45 ms | 1.14 ms | 43.59 ms Note: WindRose aggregation is O(n), but draw is O(sectors) = O(1). === Scaling Behavior Analysis === Comparing how draw time scales with data size... Multiplier | Data Size | NONE (rel) | MovingAvg (rel) | RDP (rel) -----------|--------------|----------------|-----------------|---------------- 1x | 10,000 | 5.86 ms ( 1.0x) | 1.90 ms ( 2.2x) | 689.3 µs ( 0.7x) 2x | 19,996 | 10.53 ms ( 1.9x) | 1.13 ms ( 1.3x) | 897.4 µs ( 0.9x) 5x | 49,871 | 20.20 ms ( 3.6x) | 2.84 ms ( 3.2x) | 2.30 ms ( 2.4x) 10x | 97,643 | 49.89 ms ( 8.9x) | 5.79 ms ( 6.6x) | 4.46 ms ( 4.6x) 20x | 196,569 | 91.61 ms (16.4x) | 8.99 ms (10.2x) | 7.45 ms ( 7.7x) 50x | 495,995 | 229.23 ms (40.9x) | 43.51 ms (49.5x) | 20.46 ms (21.0x) Ideal O(n): time should grow linearly with multiplier. With smoothing: time for SVG creation is ~constant after reduction. === Output Size vs Draw Time === Comparing output point count and actual draw time... Input Points | MA Elements | MA Draw Time | RDP Elements | RDP Draw Time -------------|-------------|----------------|--------------|---------------- 1,000 | 5 | 225.3 µs | 5 | 338.4 µs 10,000 | 5 | 854.4 µs | 5 | 510.7 µs 97,643 | 5 | 4.44 ms | 5 | 40.03 ms 495,995 | 5 | 41.85 ms | 5 | 18.79 ms 944,282 | 5 | 99.17 ms | 5 | 60.89 ms Element count reflects SVG complexity after smoothing. === Multi-Series SparkLine Draw Time === Measuring draw time with multiple data series... Series Count | Moving Avg | RDP -------------|----------------|---------------- 1 | 4.65 ms | 3.34 ms 2 | 9.27 ms | 9.71 ms 3 | 16.00 ms | 16.01 ms 5 | 22.76 ms | 25.43 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 1.79 ms (baseline: 1.89 ms, -5.7%) ✓ sparkline.movingAvg.100: 2.28 ms (baseline: 3.49 ms, -34.5%) ✓ sparkline.rdp.100: 1.75 ms (baseline: 3.36 ms, -47.9%) ✓ sparkline.none.1000: 3.58 ms (baseline: 4.88 ms, -26.6%) ⚠️ sparkline.movingAvg.1000: 2.58 ms (baseline: 1.35 ms, +91.1%) ⚠️ sparkline.rdp.1000: 3.76 ms (baseline: 2.85 ms, +31.9%) ✓ sparkline.none.10000: 18.87 ms (baseline: 22.26 ms, -15.2%) sparkline.movingAvg.10000: 4.33 ms (baseline: 4.52 ms, -4.1%) ✓ sparkline.rdp.10000: 3.77 ms (baseline: 5.05 ms, -25.4%) ✓ sparkline.none.50000: 26.83 ms (baseline: 34.94 ms, -23.2%) ⚠️ sparkline.movingAvg.50000: 5.16 ms (baseline: 3.19 ms, +61.5%) ✓ sparkline.rdp.50000: 40.58 ms (baseline: 64.38 ms, -37.0%) ✓ sparkline.none.100000: 46.92 ms (baseline: 52.59 ms, -10.8%) sparkline.movingAvg.100000: 6.33 ms (baseline: 6.41 ms, -1.3%) ✓ sparkline.rdp.100000: 4.24 ms (baseline: 5.33 ms, -20.5%) sparkline.none.500000: 254.91 ms (baseline: 259.38 ms, -1.7%) ✓ sparkline.movingAvg.500000: 35.76 ms (baseline: 43.41 ms, -17.6%) ⚠️ sparkline.rdp.500000: 24.95 ms (baseline: 19.22 ms, +29.8%) sparkline.none.948423: 434.71 ms (baseline: 425.32 ms, +2.2%) sparkline.movingAvg.948423: 97.55 ms (baseline: 100.19 ms, -2.6%) ✓ sparkline.rdp.948423: 91.45 ms (baseline: 132.56 ms, -31.0%) ✓ windrose.aggregation.1000: 413.5 µs (baseline: 460.2 µs, -10.1%) ✓ windrose.draw.1000: 1.04 ms (baseline: 1.36 ms, -23.3%) ✓ windrose.aggregation.10000: 1.44 ms (baseline: 1.69 ms, -15.1%) ✓ windrose.draw.10000: 762.9 µs (baseline: 914.4 µs, -16.6%) ✓ windrose.aggregation.50000: 6.76 ms (baseline: 7.70 ms, -12.2%) windrose.draw.50000: 764.1 µs (baseline: 698.7 µs, +9.4%) ⚠️ windrose.aggregation.100000: 8.99 ms (baseline: 4.04 ms, +122.4%) windrose.draw.100000: 902.9 µs (baseline: 859.6 µs, +5.0%) windrose.aggregation.500000: 20.61 ms (baseline: 19.30 ms, +6.8%) windrose.draw.500000: 796.2 µs (baseline: 665.0 µs, +19.7%) windrose.aggregation.948423: 42.45 ms (baseline: 38.48 ms, +10.3%) ⚠️ windrose.draw.948423: 1.14 ms (baseline: 703.9 µs, +62.5%) ⚠️ scaling.none.1x: 5.86 ms (baseline: 4.40 ms, +33.2%) ⚠️ scaling.movingAvg.1x: 1.90 ms (baseline: 847.2 µs, +124.8%) scaling.rdp.1x: 689.3 µs (baseline: 753.1 µs, -8.5%) ⚠️ scaling.none.2x: 10.53 ms (baseline: 8.67 ms, +21.5%) ✓ scaling.movingAvg.2x: 1.13 ms (baseline: 1.33 ms, -14.9%) scaling.rdp.2x: 897.4 µs (baseline: 898.1 µs, -0.1%) ✓ scaling.none.5x: 20.20 ms (baseline: 27.29 ms, -26.0%) scaling.movingAvg.5x: 2.84 ms (baseline: 2.94 ms, -3.2%) scaling.rdp.5x: 2.30 ms (baseline: 1.96 ms, +17.4%) ⚠️ scaling.none.10x: 49.89 ms (baseline: 41.41 ms, +20.5%) ⚠️ scaling.movingAvg.10x: 5.79 ms (baseline: 4.73 ms, +22.6%) ⚠️ scaling.rdp.10x: 4.46 ms (baseline: 3.42 ms, +30.5%) scaling.none.20x: 91.61 ms (baseline: 88.64 ms, +3.4%) scaling.movingAvg.20x: 8.99 ms (baseline: 9.53 ms, -5.7%) scaling.rdp.20x: 7.45 ms (baseline: 7.51 ms, -0.8%) scaling.none.50x: 229.23 ms (baseline: 220.92 ms, +3.8%) ⚠️ scaling.movingAvg.50x: 43.51 ms (baseline: 29.91 ms, +45.5%) scaling.rdp.50x: 20.46 ms (baseline: 18.80 ms, +8.8%) multiseries.movingAvg.1series: 4.65 ms (baseline: 4.41 ms, +5.4%) ✓ multiseries.rdp.1series: 3.34 ms (baseline: 4.55 ms, -26.6%) ✓ multiseries.movingAvg.2series: 9.27 ms (baseline: 10.47 ms, -11.5%) multiseries.rdp.2series: 9.71 ms (baseline: 9.32 ms, +4.2%) multiseries.movingAvg.3series: 16.00 ms (baseline: 14.75 ms, +8.5%) multiseries.rdp.3series: 16.01 ms (baseline: 16.93 ms, -5.4%) multiseries.movingAvg.5series: 22.76 ms (baseline: 20.91 ms, +8.8%) multiseries.rdp.5series: 25.43 ms (baseline: 26.51 ms, -4.1%) Baseline saved to: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/performance-baseline.properties [WARNING] Tests run: 6, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 31.81 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.010 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.010 s -- in org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Running org.vaadin.svgvis.SessionWeightTest Loaded 948423 weather records for testing === DataPoints Session Weight Analysis === Measuring serialized size of SvgSparkLine.DataPoint lists... Data points: 100 -> Serialized: 2.3 KB (23.2 bytes/point) Data points: 1,000 -> Serialized: 21.6 KB (22.1 bytes/point) Data points: 10,000 -> Serialized: 215.0 KB (22.0 bytes/point) Data points: 49,871 -> Serialized: 1.0 MB (22.0 bytes/point) Data points: 97,643 -> Serialized: 2.0 MB (22.0 bytes/point) Data points: 495,995 -> Serialized: 10.4 MB (22.0 bytes/point) Data points: 944,282 -> Serialized: 19.8 MB (22.0 bytes/point) === WindRose Data Session Weight Analysis === WindRose aggregates data into fixed sectors, so weight is constant. Input records: 100 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 1,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 10,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 50,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 100,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 500,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 948,423 -> Aggregated to 16 sectors -> Serialized: 505 B Conclusion: WindRose weight is ~constant regardless of input size! === Session Weight Growth Comparison === Comparing growth patterns of different data storage approaches... Size | Raw Data | Before Draw | After Smooth | After Draw | WindRose -------------|----------------|----------------|----------------|----------------|---------- 1,000 | 259.4 KB | 21.6 KB | 1.2 KB | 58 B | 155 B 10,000 | 2.5 MB | 215.0 KB | 1.2 KB | 58 B | 155 B 100,000 | 25.3 MB | 2.1 MB | 1.2 KB | 58 B | 155 B 948,423 | 239.7 MB | 19.9 MB | 1.2 KB | 58 B | 155 B Key insight: After draw(), SparkLine clears all data - session weight is ~0! Data is only needed during draw(), SVG elements retain the visualization. === Raw Weather Data Session Weight === For comparison: size of raw RawWeatherStationData objects... Raw records: 100 -> Serialized: 26.4 KB (271 bytes/record) Raw records: 1,000 -> Serialized: 259.4 KB (266 bytes/record) Raw records: 10,000 -> Serialized: 2.5 MB (265 bytes/record) Raw records: 50,000 -> Serialized: 12.6 MB (265 bytes/record) Raw records: 100,000 -> Serialized: 25.3 MB (265 bytes/record) Raw records: 500,000 -> Serialized: 126.4 MB (265 bytes/record) Raw records: 948,423 -> Serialized: 239.7 MB (265 bytes/record) === RDP Algorithm Point Reduction === Measuring how RDP reduces data points while preserving shape... Input Points | RDP Points | Reduction | Serialized Size -------------|------------|-----------|---------------- 100 | 40 | 60.0% | 997 B 1,000 | 132 | 86.8% | 3.0 KB 10,000 | 84 | 99.2% | 1.9 KB 49,871 | 94 | 99.8% | 2.1 KB 97,643 | 95 | 99.9% | 2.2 KB 944,282 | 187 | 100.0% | 4.1 KB RDP preserves shape-significant points, so reduction varies with data complexity. [INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 16.10 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 23, Failures: 0, Errors: 0, Skipped: 1 [INFO] [INFO] [INFO] --- jar:3.5.0:jar (default-jar) @ svg-visualizations --- [INFO] Building jar: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target/svg-visualizations-1.0.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 55.223 s [INFO] Finished at: 2026-04-10T06:40:49Z [INFO] ------------------------------------------------------------------------