From https://github.com/viritin/svg-visualizations * branch main -> FETCH_HEAD Already on 'main' Your branch is up to date with 'origin/main'. HEAD is now at e00e7b5 GH Action CI build [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] --- versions:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.327 s [INFO] Finished at: 2026-03-13T09:14:42Z [INFO] ------------------------------------------------------------------------ [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] --- versions:2.21.0:set (default-cli) @ svg-visualizations --- [INFO] Searching for local aggregator root... [INFO] Local aggregation root: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations [INFO] Processing change of in.virit:vaadin-bom:1.0.1-SNAPSHOT -> 25.1.0-beta3 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.072 s [INFO] Finished at: 2026-03-13T09:14:47Z [INFO] ------------------------------------------------------------------------ [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 6.8.0-101-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-03-13T08:34:28.565339809Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 09:15:19.995 [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 | 2.79 ms | 5.38 ms | 6.99 ms 1,000 | 5.85 ms | 7.71 ms | 6.76 ms 10,000 | 15.67 ms | 3.08 ms | 7.51 ms 49,871 | 63.20 ms | 6.49 ms | 63.25 ms 97,643 | 114.79 ms | 11.99 ms | 6.35 ms 495,995 | 355.53 ms | 38.07 ms | 35.25 ms 944,282 | 543.17 ms | 134.45 ms | 147.53 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 | 695.6 µs | 2.58 ms | 3.28 ms 10,000 | 2.32 ms | 1.63 ms | 3.95 ms 50,000 | 16.15 ms | 718.9 µs | 16.87 ms 100,000 | 5.00 ms | 672.8 µs | 5.68 ms 500,000 | 22.39 ms | 658.5 µs | 23.05 ms 948,423 | 59.25 ms | 829.2 µs | 60.08 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 | 12.03 ms ( 1.6x) | 1.88 ms ( 1.5x) | 1.73 ms ( 2.4x) 2x | 19,996 | 8.97 ms ( 1.2x) | 1.95 ms ( 1.5x) | 1.54 ms ( 2.1x) 5x | 49,871 | 22.85 ms ( 3.1x) | 3.02 ms ( 2.3x) | 1.90 ms ( 2.6x) 10x | 97,643 | 41.12 ms ( 5.6x) | 6.31 ms ( 4.9x) | 3.82 ms ( 5.2x) 20x | 196,569 | 87.52 ms (12.0x) | 10.53 ms ( 8.2x) | 7.37 ms (10.1x) 50x | 495,995 | 286.55 ms (39.3x) | 49.70 ms (38.6x) | 21.37 ms (29.1x) 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 | 175.3 µs | 5 | 629.8 µs 10,000 | 5 | 1.73 ms | 5 | 1.12 ms 97,643 | 5 | 11.75 ms | 5 | 11.74 ms 495,995 | 5 | 60.06 ms | 5 | 68.61 ms 944,282 | 5 | 156.77 ms | 5 | 66.95 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 | 8.86 ms | 11.15 ms 2 | 25.40 ms | 23.82 ms 3 | 24.10 ms | 30.58 ms 5 | 28.85 ms | 42.63 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 2.79 ms (baseline: 2.68 ms, +4.1%) ⚠️ sparkline.movingAvg.100: 5.38 ms (baseline: 2.01 ms, +167.5%) ⚠️ sparkline.rdp.100: 6.99 ms (baseline: 4.90 ms, +42.5%) ✓ sparkline.none.1000: 5.85 ms (baseline: 9.38 ms, -37.6%) sparkline.movingAvg.1000: 7.71 ms (baseline: 6.94 ms, +11.0%) ⚠️ sparkline.rdp.1000: 6.76 ms (baseline: 4.07 ms, +66.1%) ✓ sparkline.none.10000: 15.67 ms (baseline: 28.35 ms, -44.7%) ✓ sparkline.movingAvg.10000: 3.08 ms (baseline: 13.68 ms, -77.4%) ✓ sparkline.rdp.10000: 7.51 ms (baseline: 9.43 ms, -20.4%) ⚠️ sparkline.none.50000: 63.20 ms (baseline: 44.09 ms, +43.4%) sparkline.movingAvg.50000: 6.49 ms (baseline: 6.14 ms, +5.8%) ✓ sparkline.rdp.50000: 63.25 ms (baseline: 93.02 ms, -32.0%) ⚠️ sparkline.none.100000: 114.79 ms (baseline: 72.66 ms, +58.0%) sparkline.movingAvg.100000: 11.99 ms (baseline: 11.94 ms, +0.4%) ✓ sparkline.rdp.100000: 6.35 ms (baseline: 11.10 ms, -42.7%) ✓ sparkline.none.500000: 355.53 ms (baseline: 441.72 ms, -19.5%) sparkline.movingAvg.500000: 38.07 ms (baseline: 41.37 ms, -8.0%) sparkline.rdp.500000: 35.25 ms (baseline: 30.62 ms, +15.1%) sparkline.none.948423: 543.17 ms (baseline: 517.43 ms, +5.0%) sparkline.movingAvg.948423: 134.45 ms (baseline: 115.10 ms, +16.8%) ⚠️ sparkline.rdp.948423: 147.53 ms (baseline: 100.83 ms, +46.3%) ⚠️ windrose.aggregation.1000: 695.6 µs (baseline: 568.8 µs, +22.3%) ⚠️ windrose.draw.1000: 2.58 ms (baseline: 950.0 µs, +171.6%) windrose.aggregation.10000: 2.32 ms (baseline: 2.52 ms, -8.0%) ⚠️ windrose.draw.10000: 1.63 ms (baseline: 788.3 µs, +106.5%) ⚠️ windrose.aggregation.50000: 16.15 ms (baseline: 8.10 ms, +99.4%) ✓ windrose.draw.50000: 718.9 µs (baseline: 990.1 µs, -27.4%) windrose.aggregation.100000: 5.00 ms (baseline: 4.91 ms, +1.9%) ✓ windrose.draw.100000: 672.8 µs (baseline: 1.45 ms, -53.7%) ✓ windrose.aggregation.500000: 22.39 ms (baseline: 36.59 ms, -38.8%) windrose.draw.500000: 658.5 µs (baseline: 552.7 µs, +19.1%) ⚠️ windrose.aggregation.948423: 59.25 ms (baseline: 46.26 ms, +28.1%) windrose.draw.948423: 829.2 µs (baseline: 827.2 µs, +0.2%) ⚠️ scaling.none.1x: 12.03 ms (baseline: 9.55 ms, +25.9%) scaling.movingAvg.1x: 1.88 ms (baseline: 1.82 ms, +3.4%) ✓ scaling.rdp.1x: 1.73 ms (baseline: 4.42 ms, -61.0%) ✓ scaling.none.2x: 8.97 ms (baseline: 17.77 ms, -49.5%) scaling.movingAvg.2x: 1.95 ms (baseline: 1.67 ms, +16.7%) ✓ scaling.rdp.2x: 1.54 ms (baseline: 2.91 ms, -47.1%) scaling.none.5x: 22.85 ms (baseline: 25.25 ms, -9.5%) ✓ scaling.movingAvg.5x: 3.02 ms (baseline: 3.89 ms, -22.4%) scaling.rdp.5x: 1.90 ms (baseline: 1.99 ms, -4.8%) ✓ scaling.none.10x: 41.12 ms (baseline: 46.38 ms, -11.3%) ✓ scaling.movingAvg.10x: 6.31 ms (baseline: 7.51 ms, -16.1%) ✓ scaling.rdp.10x: 3.82 ms (baseline: 5.92 ms, -35.5%) scaling.none.20x: 87.52 ms (baseline: 87.40 ms, +0.1%) scaling.movingAvg.20x: 10.53 ms (baseline: 9.74 ms, +8.1%) scaling.rdp.20x: 7.37 ms (baseline: 7.34 ms, +0.5%) scaling.none.50x: 286.55 ms (baseline: 268.63 ms, +6.7%) scaling.movingAvg.50x: 49.70 ms (baseline: 43.87 ms, +13.3%) scaling.rdp.50x: 21.37 ms (baseline: 20.42 ms, +4.6%) multiseries.movingAvg.1series: 8.86 ms (baseline: 8.38 ms, +5.7%) ⚠️ multiseries.rdp.1series: 11.15 ms (baseline: 4.31 ms, +158.7%) ⚠️ multiseries.movingAvg.2series: 25.40 ms (baseline: 18.97 ms, +33.9%) ⚠️ multiseries.rdp.2series: 23.82 ms (baseline: 12.93 ms, +84.2%) ⚠️ multiseries.movingAvg.3series: 24.10 ms (baseline: 17.03 ms, +41.5%) ⚠️ multiseries.rdp.3series: 30.58 ms (baseline: 14.99 ms, +103.9%) multiseries.movingAvg.5series: 28.85 ms (baseline: 27.46 ms, +5.0%) ⚠️ multiseries.rdp.5series: 42.63 ms (baseline: 33.04 ms, +29.0%) 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: 46.85 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: 0.009 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: 0.022 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: 21.27 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: 01:20 min [INFO] Finished at: 2026-03-13T09:16:10Z [INFO] ------------------------------------------------------------------------