[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 6.8.0-100-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-02-14T06:13:05.667520769Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:13:47.063 [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 | 1.29 ms | 1.47 ms | 1.36 ms 1,000 | 3.20 ms | 1.32 ms | 1.41 ms 10,000 | 10.84 ms | 4.67 ms | 7.57 ms 49,871 | 25.09 ms | 3.26 ms | 37.01 ms 97,643 | 42.39 ms | 6.55 ms | 3.87 ms 495,995 | 243.71 ms | 37.00 ms | 21.42 ms 944,282 | 426.11 ms | 100.43 ms | 83.03 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 | 418.7 µs | 982.3 µs | 1.40 ms 10,000 | 1.70 ms | 837.1 µs | 2.54 ms 50,000 | 7.68 ms | 809.8 µs | 8.49 ms 100,000 | 6.84 ms | 780.1 µs | 7.62 ms 500,000 | 15.95 ms | 577.5 µs | 16.53 ms 948,423 | 43.16 ms | 661.5 µs | 43.82 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 | 5.01 ms ( 1.1x) | 887.7 µs ( 0.9x) | 567.5 µs ( 0.7x) 2x | 19,996 | 8.31 ms ( 1.9x) | 1.59 ms ( 1.6x) | 924.1 µs ( 1.2x) 5x | 49,871 | 19.68 ms ( 4.5x) | 3.37 ms ( 3.4x) | 1.87 ms ( 2.4x) 10x | 97,643 | 40.10 ms ( 9.1x) | 7.98 ms ( 8.1x) | 3.37 ms ( 4.4x) 20x | 196,569 | 95.14 ms (21.6x) | 13.63 ms (13.8x) | 7.73 ms (10.0x) 50x | 495,995 | 215.74 ms (49.0x) | 40.92 ms (41.5x) | 51.21 ms (66.4x) 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 | 160.5 µs | 5 | 204.9 µs 10,000 | 5 | 944.3 µs | 5 | 575.4 µs 97,643 | 5 | 7.59 ms | 5 | 3.46 ms 495,995 | 5 | 45.88 ms | 5 | 20.09 ms 944,282 | 5 | 112.28 ms | 5 | 62.23 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 | 6.87 ms | 3.60 ms 2 | 10.19 ms | 8.97 ms 3 | 15.32 ms | 14.53 ms 5 | 23.57 ms | 25.68 ms Draw time scales with number of series. === Performance Regression Validation === Checking key metrics against baseline (tolerance: 100%)... [OK] sparkline.movingAvg.100000: 6.55 ms (baseline: 6.49 ms, 0.9% slower) [OK] sparkline.rdp.100000: 3.87 ms (baseline: 15.25 ms, 74.6% faster) [OK] sparkline.movingAvg.948423: 100.43 ms (baseline: 104.61 ms, 4.0% faster) [OK] sparkline.rdp.948423: 83.03 ms (baseline: 157.23 ms, 47.2% faster) [OK] windrose.draw.100000: 780.1 µs (baseline: 602.5 µs, 29.5% slower) [OK] multiseries.movingAvg.3series: 15.32 ms (baseline: 14.46 ms, 5.9% slower) [OK] multiseries.rdp.3series: 14.53 ms (baseline: 19.89 ms, 27.0% faster) All critical metrics within tolerance. === Performance Summary === ✓ sparkline.none.100: 1.29 ms (baseline: 1.53 ms, -16.2%) ✓ sparkline.movingAvg.100: 1.47 ms (baseline: 1.83 ms, -20.1%) ✓ sparkline.rdp.100: 1.36 ms (baseline: 2.58 ms, -47.4%) ✓ sparkline.none.1000: 3.20 ms (baseline: 5.09 ms, -37.1%) ✓ sparkline.movingAvg.1000: 1.32 ms (baseline: 2.65 ms, -50.1%) ✓ sparkline.rdp.1000: 1.41 ms (baseline: 2.11 ms, -33.1%) ✓ sparkline.none.10000: 10.84 ms (baseline: 14.14 ms, -23.3%) ⚠️ sparkline.movingAvg.10000: 4.67 ms (baseline: 2.71 ms, +72.4%) ⚠️ sparkline.rdp.10000: 7.57 ms (baseline: 6.28 ms, +20.6%) ✓ sparkline.none.50000: 25.09 ms (baseline: 36.22 ms, -30.7%) ✓ sparkline.movingAvg.50000: 3.26 ms (baseline: 3.67 ms, -11.3%) ✓ sparkline.rdp.50000: 37.01 ms (baseline: 54.09 ms, -31.6%) ✓ sparkline.none.100000: 42.39 ms (baseline: 59.47 ms, -28.7%) sparkline.movingAvg.100000: 6.55 ms (baseline: 6.49 ms, +0.9%) ✓ sparkline.rdp.100000: 3.87 ms (baseline: 15.25 ms, -74.6%) ✓ sparkline.none.500000: 243.71 ms (baseline: 310.77 ms, -21.6%) ✓ sparkline.movingAvg.500000: 37.00 ms (baseline: 54.08 ms, -31.6%) ✓ sparkline.rdp.500000: 21.42 ms (baseline: 57.55 ms, -62.8%) ✓ sparkline.none.948423: 426.11 ms (baseline: 493.19 ms, -13.6%) sparkline.movingAvg.948423: 100.43 ms (baseline: 104.61 ms, -4.0%) ✓ sparkline.rdp.948423: 83.03 ms (baseline: 157.23 ms, -47.2%) windrose.aggregation.1000: 418.7 µs (baseline: 414.0 µs, +1.1%) windrose.draw.1000: 982.3 µs (baseline: 1.06 ms, -7.1%) windrose.aggregation.10000: 1.70 ms (baseline: 1.76 ms, -3.6%) windrose.draw.10000: 837.1 µs (baseline: 827.9 µs, +1.1%) ✓ windrose.aggregation.50000: 7.68 ms (baseline: 8.54 ms, -10.0%) ✓ windrose.draw.50000: 809.8 µs (baseline: 944.0 µs, -14.2%) ⚠️ windrose.aggregation.100000: 6.84 ms (baseline: 5.28 ms, +29.6%) ⚠️ windrose.draw.100000: 780.1 µs (baseline: 602.5 µs, +29.5%) ✓ windrose.aggregation.500000: 15.95 ms (baseline: 35.53 ms, -55.1%) windrose.draw.500000: 577.5 µs (baseline: 533.2 µs, +8.3%) ⚠️ windrose.aggregation.948423: 43.16 ms (baseline: 23.00 ms, +87.6%) ⚠️ windrose.draw.948423: 661.5 µs (baseline: 532.6 µs, +24.2%) ✓ scaling.none.1x: 5.01 ms (baseline: 9.58 ms, -47.7%) ✓ scaling.movingAvg.1x: 887.7 µs (baseline: 2.13 ms, -58.3%) ✓ scaling.rdp.1x: 567.5 µs (baseline: 1.25 ms, -54.6%) ✓ scaling.none.2x: 8.31 ms (baseline: 12.63 ms, -34.2%) ✓ scaling.movingAvg.2x: 1.59 ms (baseline: 1.98 ms, -19.8%) scaling.rdp.2x: 924.1 µs (baseline: 981.9 µs, -5.9%) ✓ scaling.none.5x: 19.68 ms (baseline: 28.27 ms, -30.4%) scaling.movingAvg.5x: 3.37 ms (baseline: 3.03 ms, +11.2%) ✓ scaling.rdp.5x: 1.87 ms (baseline: 2.22 ms, -15.7%) ✓ scaling.none.10x: 40.10 ms (baseline: 47.20 ms, -15.0%) ✓ scaling.movingAvg.10x: 7.98 ms (baseline: 10.63 ms, -25.0%) ✓ scaling.rdp.10x: 3.37 ms (baseline: 6.03 ms, -44.1%) scaling.none.20x: 95.14 ms (baseline: 96.28 ms, -1.2%) scaling.movingAvg.20x: 13.63 ms (baseline: 14.14 ms, -3.6%) scaling.rdp.20x: 7.73 ms (baseline: 8.03 ms, -3.7%) scaling.none.50x: 215.74 ms (baseline: 230.75 ms, -6.5%) ✓ scaling.movingAvg.50x: 40.92 ms (baseline: 54.33 ms, -24.7%) ⚠️ scaling.rdp.50x: 51.21 ms (baseline: 20.90 ms, +145.0%) ✓ multiseries.movingAvg.1series: 6.87 ms (baseline: 7.91 ms, -13.2%) multiseries.rdp.1series: 3.60 ms (baseline: 3.42 ms, +5.2%) ✓ multiseries.movingAvg.2series: 10.19 ms (baseline: 14.46 ms, -29.5%) ✓ multiseries.rdp.2series: 8.97 ms (baseline: 17.46 ms, -48.6%) multiseries.movingAvg.3series: 15.32 ms (baseline: 14.46 ms, +5.9%) ✓ multiseries.rdp.3series: 14.53 ms (baseline: 19.89 ms, -27.0%) multiseries.movingAvg.5series: 23.57 ms (baseline: 22.76 ms, +3.6%) ✓ multiseries.rdp.5series: 25.68 ms (baseline: 28.73 ms, -10.6%) Baseline saved to: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/performance-baseline.properties [INFO] Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 30.95 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: 0.011 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: 0.013 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: 13.57 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [INFO] Tests run: 23, Failures: 0, Errors: 0, Skipped: 0 [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: 52.918 s [INFO] Finished at: 2026-02-14T06:14:19Z [INFO] ------------------------------------------------------------------------