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: 2.665 s [INFO] Finished at: 2026-03-21T06:13:52Z [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 -> 25.0.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.567 s [INFO] Finished at: 2026-03-21T06:13:58Z [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 6.8.0-106-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-03-21T04:41:29.970262684Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:14:31.115 [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 | 3.64 ms | 6.45 ms | 5.72 ms 1,000 | 6.76 ms | 3.09 ms | 3.62 ms 10,000 | 16.38 ms | 4.49 ms | 7.50 ms 49,871 | 46.52 ms | 5.29 ms | 77.80 ms 97,643 | 102.62 ms | 10.48 ms | 6.48 ms 495,995 | 368.69 ms | 38.25 ms | 68.79 ms 944,282 | 676.80 ms | 127.51 ms | 149.22 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 | 422.1 µs | 1.85 ms | 2.27 ms 10,000 | 1.61 ms | 1.07 ms | 2.68 ms 50,000 | 7.80 ms | 2.10 ms | 9.90 ms 100,000 | 9.68 ms | 796.7 µs | 10.47 ms 500,000 | 40.74 ms | 1.89 ms | 42.63 ms 948,423 | 80.52 ms | 1.68 ms | 82.20 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 | 6.12 ms ( 0.2x) | 965.3 µs ( 0.2x) | 1.73 ms ( 0.3x) 2x | 19,996 | 17.02 ms ( 0.7x) | 2.41 ms ( 0.6x) | 1.84 ms ( 0.3x) 5x | 49,871 | 26.56 ms ( 1.1x) | 2.64 ms ( 0.7x) | 2.32 ms ( 0.4x) 10x | 97,643 | 77.56 ms ( 3.1x) | 11.62 ms ( 2.9x) | 6.71 ms ( 1.2x) 20x | 196,569 | 105.46 ms ( 4.2x) | 10.87 ms ( 2.7x) | 12.45 ms ( 2.3x) 50x | 495,995 | 353.75 ms (14.2x) | 49.54 ms (12.4x) | 35.94 ms ( 6.7x) 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 | 147.4 µs | 5 | 226.5 µs 10,000 | 5 | 596.0 µs | 5 | 958.1 µs 97,643 | 5 | 5.59 ms | 5 | 3.74 ms 495,995 | 5 | 49.15 ms | 5 | 59.61 ms 944,282 | 5 | 117.16 ms | 5 | 51.16 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 | 14.21 ms | 11.48 ms 2 | 19.38 ms | 12.38 ms 3 | 25.14 ms | 25.44 ms 5 | 30.61 ms | 46.54 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.64 ms (baseline: 3.38 ms, +7.7%) ⚠️ sparkline.movingAvg.100: 6.45 ms (baseline: 2.65 ms, +143.0%) ⚠️ sparkline.rdp.100: 5.72 ms (baseline: 1.27 ms, +351.2%) ⚠️ sparkline.none.1000: 6.76 ms (baseline: 2.96 ms, +128.0%) ⚠️ sparkline.movingAvg.1000: 3.09 ms (baseline: 1.48 ms, +109.0%) ⚠️ sparkline.rdp.1000: 3.62 ms (baseline: 1.49 ms, +142.6%) sparkline.none.10000: 16.38 ms (baseline: 13.94 ms, +17.5%) ⚠️ sparkline.movingAvg.10000: 4.49 ms (baseline: 3.01 ms, +49.3%) ⚠️ sparkline.rdp.10000: 7.50 ms (baseline: 4.30 ms, +74.3%) ⚠️ sparkline.none.50000: 46.52 ms (baseline: 28.49 ms, +63.3%) ⚠️ sparkline.movingAvg.50000: 5.29 ms (baseline: 3.01 ms, +75.3%) ⚠️ sparkline.rdp.50000: 77.80 ms (baseline: 34.55 ms, +125.2%) ⚠️ sparkline.none.100000: 102.62 ms (baseline: 58.22 ms, +76.3%) ✓ sparkline.movingAvg.100000: 10.48 ms (baseline: 14.25 ms, -26.5%) ✓ sparkline.rdp.100000: 6.48 ms (baseline: 8.36 ms, -22.5%) ⚠️ sparkline.none.500000: 368.69 ms (baseline: 238.90 ms, +54.3%) ⚠️ sparkline.movingAvg.500000: 38.25 ms (baseline: 25.72 ms, +48.7%) ⚠️ sparkline.rdp.500000: 68.79 ms (baseline: 19.76 ms, +248.2%) ⚠️ sparkline.none.948423: 676.80 ms (baseline: 434.59 ms, +55.7%) ⚠️ sparkline.movingAvg.948423: 127.51 ms (baseline: 94.77 ms, +34.5%) ⚠️ sparkline.rdp.948423: 149.22 ms (baseline: 59.62 ms, +150.3%) ✓ windrose.aggregation.1000: 422.1 µs (baseline: 573.8 µs, -26.4%) ⚠️ windrose.draw.1000: 1.85 ms (baseline: 1.42 ms, +30.3%) windrose.aggregation.10000: 1.61 ms (baseline: 1.50 ms, +7.2%) ⚠️ windrose.draw.10000: 1.07 ms (baseline: 755.4 µs, +42.2%) windrose.aggregation.50000: 7.80 ms (baseline: 7.70 ms, +1.3%) ⚠️ windrose.draw.50000: 2.10 ms (baseline: 1.10 ms, +91.0%) ⚠️ windrose.aggregation.100000: 9.68 ms (baseline: 4.22 ms, +129.5%) windrose.draw.100000: 796.7 µs (baseline: 814.7 µs, -2.2%) ⚠️ windrose.aggregation.500000: 40.74 ms (baseline: 19.95 ms, +104.2%) ⚠️ windrose.draw.500000: 1.89 ms (baseline: 769.8 µs, +145.2%) ⚠️ windrose.aggregation.948423: 80.52 ms (baseline: 32.07 ms, +151.0%) ⚠️ windrose.draw.948423: 1.68 ms (baseline: 1.12 ms, +49.4%) scaling.none.1x: 6.12 ms (baseline: 6.30 ms, -2.9%) scaling.movingAvg.1x: 965.3 µs (baseline: 835.4 µs, +15.6%) ⚠️ scaling.rdp.1x: 1.73 ms (baseline: 612.1 µs, +182.4%) ⚠️ scaling.none.2x: 17.02 ms (baseline: 9.23 ms, +84.5%) ⚠️ scaling.movingAvg.2x: 2.41 ms (baseline: 1.39 ms, +73.8%) ⚠️ scaling.rdp.2x: 1.84 ms (baseline: 1.02 ms, +81.5%) scaling.none.5x: 26.56 ms (baseline: 25.70 ms, +3.3%) ✓ scaling.movingAvg.5x: 2.64 ms (baseline: 3.71 ms, -28.7%) ⚠️ scaling.rdp.5x: 2.32 ms (baseline: 1.82 ms, +27.7%) ⚠️ scaling.none.10x: 77.56 ms (baseline: 39.86 ms, +94.6%) ⚠️ scaling.movingAvg.10x: 11.62 ms (baseline: 4.55 ms, +155.5%) ⚠️ scaling.rdp.10x: 6.71 ms (baseline: 3.34 ms, +101.0%) ⚠️ scaling.none.20x: 105.46 ms (baseline: 86.43 ms, +22.0%) scaling.movingAvg.20x: 10.87 ms (baseline: 9.41 ms, +15.6%) ⚠️ scaling.rdp.20x: 12.45 ms (baseline: 8.04 ms, +54.8%) ⚠️ scaling.none.50x: 353.75 ms (baseline: 225.38 ms, +57.0%) ⚠️ scaling.movingAvg.50x: 49.54 ms (baseline: 30.96 ms, +60.0%) ⚠️ scaling.rdp.50x: 35.94 ms (baseline: 19.15 ms, +87.7%) ⚠️ multiseries.movingAvg.1series: 14.21 ms (baseline: 4.21 ms, +237.7%) ⚠️ multiseries.rdp.1series: 11.48 ms (baseline: 9.25 ms, +24.1%) ⚠️ multiseries.movingAvg.2series: 19.38 ms (baseline: 10.95 ms, +77.0%) ⚠️ multiseries.rdp.2series: 12.38 ms (baseline: 9.53 ms, +30.0%) ⚠️ multiseries.movingAvg.3series: 25.14 ms (baseline: 14.38 ms, +74.8%) ⚠️ multiseries.rdp.3series: 25.44 ms (baseline: 16.83 ms, +51.2%) ⚠️ multiseries.movingAvg.5series: 30.61 ms (baseline: 21.53 ms, +42.2%) ⚠️ multiseries.rdp.5series: 46.54 ms (baseline: 26.57 ms, +75.2%) 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: 47.32 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: 0.024 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: 0.043 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: 20.91 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: 2026-03-21T06:15:21Z [INFO] ------------------------------------------------------------------------