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: 2.752 s [INFO] Finished at: 2026-03-05T07:23:38Z [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-beta1 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.822 s [INFO] Finished at: 2026-03-05T07:23:44Z [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: 2026-03-05T06:18:36.636946375Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:24:10.632 [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 | 1.58 ms | 2.69 ms | 3.10 ms 1,000 | 7.34 ms | 3.75 ms | 1.49 ms 10,000 | 21.05 ms | 3.87 ms | 5.47 ms 49,871 | 45.24 ms | 7.57 ms | 65.55 ms 97,643 | 98.58 ms | 7.97 ms | 6.55 ms 495,995 | 360.23 ms | 51.93 ms | 37.83 ms 944,282 | 614.35 ms | 114.85 ms | 69.13 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 | 863.5 µs | 1.80 ms | 2.67 ms 10,000 | 9.18 ms | 1.51 ms | 10.70 ms 50,000 | 23.76 ms | 2.59 ms | 26.35 ms 100,000 | 10.77 ms | 1.27 ms | 12.04 ms 500,000 | 33.49 ms | 759.4 µs | 34.25 ms 948,423 | 55.82 ms | 776.4 µs | 56.59 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 | 10.26 ms ( 0.7x) | 3.16 ms ( 1.0x) | 2.69 ms ( 3.1x) 2x | 19,996 | 11.90 ms ( 0.8x) | 1.87 ms ( 0.6x) | 841.2 µs ( 1.0x) 5x | 49,871 | 30.39 ms ( 2.1x) | 5.02 ms ( 1.7x) | 2.52 ms ( 2.9x) 10x | 97,643 | 50.21 ms ( 3.4x) | 13.30 ms ( 4.4x) | 5.62 ms ( 6.4x) 20x | 196,569 | 105.59 ms ( 7.2x) | 13.96 ms ( 4.6x) | 14.58 ms (16.6x) 50x | 495,995 | 317.35 ms (21.6x) | 55.48 ms (18.4x) | 46.82 ms (53.3x) 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 | 368.0 µs | 5 | 890.7 µs 10,000 | 5 | 2.10 ms | 5 | 1.07 ms 97,643 | 5 | 8.05 ms | 5 | 8.36 ms 495,995 | 5 | 41.04 ms | 5 | 18.42 ms 944,282 | 5 | 128.78 ms | 5 | 47.10 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 | 8.53 ms | 3.29 ms 2 | 11.09 ms | 9.15 ms 3 | 27.71 ms | 24.77 ms 5 | 31.68 ms | 29.23 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.58 ms (baseline: 2.85 ms, -44.3%) ✓ sparkline.movingAvg.100: 2.69 ms (baseline: 5.77 ms, -53.3%) ✓ sparkline.rdp.100: 3.10 ms (baseline: 3.79 ms, -18.2%) ✓ sparkline.none.1000: 7.34 ms (baseline: 10.41 ms, -29.5%) sparkline.movingAvg.1000: 3.75 ms (baseline: 3.79 ms, -1.0%) ✓ sparkline.rdp.1000: 1.49 ms (baseline: 4.84 ms, -69.2%) sparkline.none.10000: 21.05 ms (baseline: 22.76 ms, -7.5%) sparkline.movingAvg.10000: 3.87 ms (baseline: 3.61 ms, +7.4%) ⚠️ sparkline.rdp.10000: 5.47 ms (baseline: 3.35 ms, +63.2%) sparkline.none.50000: 45.24 ms (baseline: 39.83 ms, +13.6%) ⚠️ sparkline.movingAvg.50000: 7.57 ms (baseline: 5.17 ms, +46.3%) ✓ sparkline.rdp.50000: 65.55 ms (baseline: 85.36 ms, -23.2%) sparkline.none.100000: 98.58 ms (baseline: 108.07 ms, -8.8%) sparkline.movingAvg.100000: 7.97 ms (baseline: 8.00 ms, -0.5%) ⚠️ sparkline.rdp.100000: 6.55 ms (baseline: 5.14 ms, +27.4%) sparkline.none.500000: 360.23 ms (baseline: 379.05 ms, -5.0%) ✓ sparkline.movingAvg.500000: 51.93 ms (baseline: 65.01 ms, -20.1%) ⚠️ sparkline.rdp.500000: 37.83 ms (baseline: 28.19 ms, +34.2%) sparkline.none.948423: 614.35 ms (baseline: 660.39 ms, -7.0%) sparkline.movingAvg.948423: 114.85 ms (baseline: 122.79 ms, -6.5%) ✓ sparkline.rdp.948423: 69.13 ms (baseline: 195.37 ms, -64.6%) ⚠️ windrose.aggregation.1000: 863.5 µs (baseline: 428.9 µs, +101.3%) ⚠️ windrose.draw.1000: 1.80 ms (baseline: 1.14 ms, +58.1%) ⚠️ windrose.aggregation.10000: 9.18 ms (baseline: 3.76 ms, +144.2%) ✓ windrose.draw.10000: 1.51 ms (baseline: 3.48 ms, -56.6%) ⚠️ windrose.aggregation.50000: 23.76 ms (baseline: 10.03 ms, +136.9%) ⚠️ windrose.draw.50000: 2.59 ms (baseline: 724.8 µs, +257.9%) ⚠️ windrose.aggregation.100000: 10.77 ms (baseline: 4.43 ms, +143.2%) ⚠️ windrose.draw.100000: 1.27 ms (baseline: 754.1 µs, +68.9%) ⚠️ windrose.aggregation.500000: 33.49 ms (baseline: 19.90 ms, +68.3%) windrose.draw.500000: 759.4 µs (baseline: 744.1 µs, +2.1%) ⚠️ windrose.aggregation.948423: 55.82 ms (baseline: 38.41 ms, +45.3%) ⚠️ windrose.draw.948423: 776.4 µs (baseline: 641.4 µs, +21.0%) scaling.none.1x: 10.26 ms (baseline: 9.64 ms, +6.4%) ⚠️ scaling.movingAvg.1x: 3.16 ms (baseline: 683.5 µs, +362.0%) ⚠️ scaling.rdp.1x: 2.69 ms (baseline: 666.3 µs, +303.2%) scaling.none.2x: 11.90 ms (baseline: 12.57 ms, -5.3%) ✓ scaling.movingAvg.2x: 1.87 ms (baseline: 3.44 ms, -45.8%) ✓ scaling.rdp.2x: 841.2 µs (baseline: 2.96 ms, -71.6%) ✓ scaling.none.5x: 30.39 ms (baseline: 46.75 ms, -35.0%) scaling.movingAvg.5x: 5.02 ms (baseline: 5.11 ms, -1.7%) ✓ scaling.rdp.5x: 2.52 ms (baseline: 3.25 ms, -22.4%) ✓ scaling.none.10x: 50.21 ms (baseline: 58.69 ms, -14.5%) ⚠️ scaling.movingAvg.10x: 13.30 ms (baseline: 5.52 ms, +140.9%) ✓ scaling.rdp.10x: 5.62 ms (baseline: 6.94 ms, -19.1%) ✓ scaling.none.20x: 105.59 ms (baseline: 120.62 ms, -12.5%) ⚠️ scaling.movingAvg.20x: 13.96 ms (baseline: 11.50 ms, +21.4%) ⚠️ scaling.rdp.20x: 14.58 ms (baseline: 9.12 ms, +59.9%) scaling.none.50x: 317.35 ms (baseline: 315.81 ms, +0.5%) scaling.movingAvg.50x: 55.48 ms (baseline: 47.94 ms, +15.7%) scaling.rdp.50x: 46.82 ms (baseline: 39.09 ms, +19.8%) ⚠️ multiseries.movingAvg.1series: 8.53 ms (baseline: 4.60 ms, +85.3%) ✓ multiseries.rdp.1series: 3.29 ms (baseline: 4.14 ms, -20.5%) ✓ multiseries.movingAvg.2series: 11.09 ms (baseline: 17.26 ms, -35.7%) ✓ multiseries.rdp.2series: 9.15 ms (baseline: 23.99 ms, -61.9%) ⚠️ multiseries.movingAvg.3series: 27.71 ms (baseline: 16.53 ms, +67.6%) ⚠️ multiseries.rdp.3series: 24.77 ms (baseline: 19.36 ms, +28.0%) ⚠️ multiseries.movingAvg.5series: 31.68 ms (baseline: 22.66 ms, +39.8%) multiseries.rdp.5series: 29.23 ms (baseline: 24.52 ms, +19.2%) 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: 41.66 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: 0.083 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: 0.061 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: 21.69 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: 01:13 min [INFO] Finished at: 2026-03-05T07:25:00Z [INFO] ------------------------------------------------------------------------