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: 2.884 s [INFO] Finished at: 2026-03-13T08:33:27Z [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-beta2 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.731 s [INFO] Finished at: 2026-03-13T08:33:33Z [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: 2026-03-13T07:43:54.235975015Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 08:34:03.456 [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 | 2.68 ms | 2.01 ms | 4.90 ms 1,000 | 9.38 ms | 6.94 ms | 4.07 ms 10,000 | 28.35 ms | 13.68 ms | 9.43 ms 49,871 | 44.09 ms | 6.14 ms | 93.02 ms 97,643 | 72.66 ms | 11.94 ms | 11.10 ms 495,995 | 441.72 ms | 41.37 ms | 30.62 ms 944,282 | 517.43 ms | 115.10 ms | 100.83 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 | 568.8 µs | 950.0 µs | 1.52 ms 10,000 | 2.52 ms | 788.3 µs | 3.31 ms 50,000 | 8.10 ms | 990.1 µs | 9.09 ms 100,000 | 4.91 ms | 1.45 ms | 6.36 ms 500,000 | 36.59 ms | 552.7 µs | 37.14 ms 948,423 | 46.26 ms | 827.2 µs | 47.09 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 | 9.55 ms ( 1.7x) | 1.82 ms ( 1.7x) | 4.42 ms ( 3.0x) 2x | 19,996 | 17.77 ms ( 3.1x) | 1.67 ms ( 1.6x) | 2.91 ms ( 2.0x) 5x | 49,871 | 25.25 ms ( 4.4x) | 3.89 ms ( 3.7x) | 1.99 ms ( 1.3x) 10x | 97,643 | 46.38 ms ( 8.1x) | 7.51 ms ( 7.2x) | 5.92 ms ( 4.0x) 20x | 196,569 | 87.40 ms (15.3x) | 9.74 ms ( 9.3x) | 7.34 ms ( 5.0x) 50x | 495,995 | 268.63 ms (47.0x) | 43.87 ms (42.0x) | 20.42 ms (13.8x) 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 | 144.7 µs | 5 | 795.1 µs 10,000 | 5 | 687.7 µs | 5 | 971.5 µs 97,643 | 5 | 5.80 ms | 5 | 5.89 ms 495,995 | 5 | 45.86 ms | 5 | 41.69 ms 944,282 | 5 | 95.85 ms | 5 | 52.45 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 | 8.38 ms | 4.31 ms 2 | 18.97 ms | 12.93 ms 3 | 17.03 ms | 14.99 ms 5 | 27.46 ms | 33.04 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.68 ms (baseline: 1.37 ms, +95.8%) sparkline.movingAvg.100: 2.01 ms (baseline: 2.10 ms, -4.1%) ⚠️ sparkline.rdp.100: 4.90 ms (baseline: 1.53 ms, +220.1%) ⚠️ sparkline.none.1000: 9.38 ms (baseline: 3.99 ms, +135.3%) ⚠️ sparkline.movingAvg.1000: 6.94 ms (baseline: 3.31 ms, +109.8%) ⚠️ sparkline.rdp.1000: 4.07 ms (baseline: 1.71 ms, +137.7%) sparkline.none.10000: 28.35 ms (baseline: 28.30 ms, +0.2%) ⚠️ sparkline.movingAvg.10000: 13.68 ms (baseline: 3.05 ms, +348.8%) ⚠️ sparkline.rdp.10000: 9.43 ms (baseline: 5.05 ms, +86.9%) ✓ sparkline.none.50000: 44.09 ms (baseline: 59.63 ms, -26.1%) ⚠️ sparkline.movingAvg.50000: 6.14 ms (baseline: 3.78 ms, +62.4%) ⚠️ sparkline.rdp.50000: 93.02 ms (baseline: 43.78 ms, +112.5%) ⚠️ sparkline.none.100000: 72.66 ms (baseline: 58.97 ms, +23.2%) ✓ sparkline.movingAvg.100000: 11.94 ms (baseline: 27.95 ms, -57.3%) ⚠️ sparkline.rdp.100000: 11.10 ms (baseline: 7.76 ms, +42.9%) ⚠️ sparkline.none.500000: 441.72 ms (baseline: 282.98 ms, +56.1%) ✓ sparkline.movingAvg.500000: 41.37 ms (baseline: 60.29 ms, -31.4%) ⚠️ sparkline.rdp.500000: 30.62 ms (baseline: 25.09 ms, +22.0%) ✓ sparkline.none.948423: 517.43 ms (baseline: 693.62 ms, -25.4%) ✓ sparkline.movingAvg.948423: 115.10 ms (baseline: 171.15 ms, -32.7%) ⚠️ sparkline.rdp.948423: 100.83 ms (baseline: 75.29 ms, +33.9%) ⚠️ windrose.aggregation.1000: 568.8 µs (baseline: 432.1 µs, +31.6%) ✓ windrose.draw.1000: 950.0 µs (baseline: 1.23 ms, -22.6%) ✓ windrose.aggregation.10000: 2.52 ms (baseline: 2.88 ms, -12.3%) ✓ windrose.draw.10000: 788.3 µs (baseline: 1.85 ms, -57.5%) ✓ windrose.aggregation.50000: 8.10 ms (baseline: 18.83 ms, -57.0%) ✓ windrose.draw.50000: 990.1 µs (baseline: 4.28 ms, -76.9%) ✓ windrose.aggregation.100000: 4.91 ms (baseline: 17.90 ms, -72.6%) ✓ windrose.draw.100000: 1.45 ms (baseline: 2.35 ms, -38.3%) windrose.aggregation.500000: 36.59 ms (baseline: 34.16 ms, +7.1%) ✓ windrose.draw.500000: 552.7 µs (baseline: 2.01 ms, -72.5%) ✓ windrose.aggregation.948423: 46.26 ms (baseline: 67.17 ms, -31.1%) ✓ windrose.draw.948423: 827.2 µs (baseline: 1.50 ms, -44.8%) scaling.none.1x: 9.55 ms (baseline: 8.18 ms, +16.8%) ⚠️ scaling.movingAvg.1x: 1.82 ms (baseline: 1.51 ms, +20.7%) scaling.rdp.1x: 4.42 ms (baseline: 3.87 ms, +14.1%) scaling.none.2x: 17.77 ms (baseline: 18.93 ms, -6.1%) ⚠️ scaling.movingAvg.2x: 1.67 ms (baseline: 1.31 ms, +27.2%) ✓ scaling.rdp.2x: 2.91 ms (baseline: 3.91 ms, -25.4%) ✓ scaling.none.5x: 25.25 ms (baseline: 32.09 ms, -21.3%) ✓ scaling.movingAvg.5x: 3.89 ms (baseline: 7.29 ms, -46.6%) ✓ scaling.rdp.5x: 1.99 ms (baseline: 5.02 ms, -60.3%) ✓ scaling.none.10x: 46.38 ms (baseline: 56.41 ms, -17.8%) ⚠️ scaling.movingAvg.10x: 7.51 ms (baseline: 5.25 ms, +43.1%) scaling.rdp.10x: 5.92 ms (baseline: 6.18 ms, -4.3%) ✓ scaling.none.20x: 87.40 ms (baseline: 111.42 ms, -21.6%) ✓ scaling.movingAvg.20x: 9.74 ms (baseline: 21.26 ms, -54.2%) ✓ scaling.rdp.20x: 7.34 ms (baseline: 11.27 ms, -34.9%) ✓ scaling.none.50x: 268.63 ms (baseline: 333.50 ms, -19.5%) scaling.movingAvg.50x: 43.87 ms (baseline: 42.86 ms, +2.3%) ✓ scaling.rdp.50x: 20.42 ms (baseline: 36.07 ms, -43.4%) ⚠️ multiseries.movingAvg.1series: 8.38 ms (baseline: 5.35 ms, +56.7%) ✓ multiseries.rdp.1series: 4.31 ms (baseline: 7.26 ms, -40.6%) ⚠️ multiseries.movingAvg.2series: 18.97 ms (baseline: 11.91 ms, +59.2%) ✓ multiseries.rdp.2series: 12.93 ms (baseline: 19.42 ms, -33.4%) multiseries.movingAvg.3series: 17.03 ms (baseline: 16.20 ms, +5.2%) ✓ multiseries.rdp.3series: 14.99 ms (baseline: 32.33 ms, -53.6%) ⚠️ multiseries.movingAvg.5series: 27.46 ms (baseline: 22.49 ms, +22.1%) ✓ multiseries.rdp.5series: 33.04 ms (baseline: 44.10 ms, -25.1%) 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: 42.53 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: 0.020 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: 0.030 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: 17.08 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: 01:09 min [INFO] Finished at: 2026-03-13T08:34:46Z [INFO] ------------------------------------------------------------------------