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: 2.901 s [INFO] Finished at: 2026-03-08T07:19:30Z [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: 2.240 s [INFO] Finished at: 2026-03-08T07:19:35Z [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: 2026-03-08T06:16:08.383632311Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:20:05.419 [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 | 4.26 ms | 6.79 ms | 5.78 ms 1,000 | 10.97 ms | 4.13 ms | 2.79 ms 10,000 | 20.36 ms | 3.88 ms | 7.96 ms 49,871 | 24.83 ms | 5.42 ms | 67.95 ms 97,643 | 82.76 ms | 8.21 ms | 5.48 ms 495,995 | 437.65 ms | 78.03 ms | 24.28 ms 944,282 | 668.63 ms | 130.18 ms | 172.35 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 | 1.17 ms | 1.33 ms | 2.51 ms 10,000 | 1.49 ms | 1.55 ms | 3.05 ms 50,000 | 20.35 ms | 1.57 ms | 21.93 ms 100,000 | 9.66 ms | 1.67 ms | 11.33 ms 500,000 | 41.83 ms | 1.27 ms | 43.10 ms 948,423 | 76.35 ms | 1.87 ms | 78.22 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 | 6.36 ms ( 0.4x) | 980.4 µs ( 0.4x) | 1.66 ms ( 1.5x) 2x | 19,996 | 10.23 ms ( 0.6x) | 1.91 ms ( 0.7x) | 1.15 ms ( 1.0x) 5x | 49,871 | 29.19 ms ( 1.9x) | 11.18 ms ( 4.2x) | 3.67 ms ( 3.3x) 10x | 97,643 | 82.07 ms ( 5.2x) | 12.58 ms ( 4.8x) | 7.49 ms ( 6.7x) 20x | 196,569 | 112.71 ms ( 7.2x) | 13.87 ms ( 5.3x) | 9.81 ms ( 8.8x) 50x | 495,995 | 320.22 ms (20.3x) | 82.26 ms (31.2x) | 32.71 ms (29.3x) 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 | 256.6 µs | 5 | 221.6 µs 10,000 | 5 | 852.0 µs | 5 | 510.1 µs 97,643 | 5 | 10.75 ms | 5 | 4.28 ms 495,995 | 5 | 46.58 ms | 5 | 68.25 ms 944,282 | 5 | 140.02 ms | 5 | 73.63 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 | 8.03 ms | 5.28 ms 2 | 25.91 ms | 24.65 ms 3 | 22.32 ms | 24.38 ms 5 | 24.19 ms | 46.76 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.26 ms (baseline: 2.88 ms, +48.3%) sparkline.movingAvg.100: 6.79 ms (baseline: 5.83 ms, +16.4%) ⚠️ sparkline.rdp.100: 5.78 ms (baseline: 2.56 ms, +126.3%) ⚠️ sparkline.none.1000: 10.97 ms (baseline: 6.78 ms, +61.9%) sparkline.movingAvg.1000: 4.13 ms (baseline: 3.73 ms, +10.9%) ✓ sparkline.rdp.1000: 2.79 ms (baseline: 5.34 ms, -47.7%) ✓ sparkline.none.10000: 20.36 ms (baseline: 23.43 ms, -13.1%) ✓ sparkline.movingAvg.10000: 3.88 ms (baseline: 15.95 ms, -75.7%) ✓ sparkline.rdp.10000: 7.96 ms (baseline: 10.96 ms, -27.4%) ✓ sparkline.none.50000: 24.83 ms (baseline: 52.00 ms, -52.3%) ✓ sparkline.movingAvg.50000: 5.42 ms (baseline: 6.91 ms, -21.6%) ✓ sparkline.rdp.50000: 67.95 ms (baseline: 101.07 ms, -32.8%) ⚠️ sparkline.none.100000: 82.76 ms (baseline: 68.36 ms, +21.1%) sparkline.movingAvg.100000: 8.21 ms (baseline: 8.80 ms, -6.8%) ✓ sparkline.rdp.100000: 5.48 ms (baseline: 13.84 ms, -60.4%) sparkline.none.500000: 437.65 ms (baseline: 372.63 ms, +17.4%) ⚠️ sparkline.movingAvg.500000: 78.03 ms (baseline: 56.22 ms, +38.8%) ✓ sparkline.rdp.500000: 24.28 ms (baseline: 33.49 ms, -27.5%) sparkline.none.948423: 668.63 ms (baseline: 707.54 ms, -5.5%) sparkline.movingAvg.948423: 130.18 ms (baseline: 140.04 ms, -7.0%) ⚠️ sparkline.rdp.948423: 172.35 ms (baseline: 110.35 ms, +56.2%) ⚠️ windrose.aggregation.1000: 1.17 ms (baseline: 439.3 µs, +167.3%) windrose.draw.1000: 1.33 ms (baseline: 1.26 ms, +6.0%) ✓ windrose.aggregation.10000: 1.49 ms (baseline: 4.16 ms, -64.0%) windrose.draw.10000: 1.55 ms (baseline: 1.69 ms, -7.9%) ⚠️ windrose.aggregation.50000: 20.35 ms (baseline: 13.45 ms, +51.3%) ✓ windrose.draw.50000: 1.57 ms (baseline: 2.03 ms, -22.5%) ✓ windrose.aggregation.100000: 9.66 ms (baseline: 12.74 ms, -24.1%) ⚠️ windrose.draw.100000: 1.67 ms (baseline: 719.5 µs, +132.5%) ✓ windrose.aggregation.500000: 41.83 ms (baseline: 56.61 ms, -26.1%) ⚠️ windrose.draw.500000: 1.27 ms (baseline: 695.9 µs, +82.5%) windrose.aggregation.948423: 76.35 ms (baseline: 68.47 ms, +11.5%) ✓ windrose.draw.948423: 1.87 ms (baseline: 12.25 ms, -84.7%) scaling.none.1x: 6.36 ms (baseline: 6.10 ms, +4.2%) ✓ scaling.movingAvg.1x: 980.4 µs (baseline: 1.43 ms, -31.6%) scaling.rdp.1x: 1.66 ms (baseline: 1.85 ms, -9.9%) ✓ scaling.none.2x: 10.23 ms (baseline: 17.70 ms, -42.2%) ✓ scaling.movingAvg.2x: 1.91 ms (baseline: 4.44 ms, -56.9%) ✓ scaling.rdp.2x: 1.15 ms (baseline: 2.11 ms, -45.6%) ✓ scaling.none.5x: 29.19 ms (baseline: 53.90 ms, -45.8%) ⚠️ scaling.movingAvg.5x: 11.18 ms (baseline: 6.72 ms, +66.4%) ⚠️ scaling.rdp.5x: 3.67 ms (baseline: 2.73 ms, +34.6%) scaling.none.10x: 82.07 ms (baseline: 71.74 ms, +14.4%) scaling.movingAvg.10x: 12.58 ms (baseline: 10.75 ms, +17.0%) ⚠️ scaling.rdp.10x: 7.49 ms (baseline: 4.09 ms, +83.4%) ✓ scaling.none.20x: 112.71 ms (baseline: 141.03 ms, -20.1%) scaling.movingAvg.20x: 13.87 ms (baseline: 14.23 ms, -2.5%) ✓ scaling.rdp.20x: 9.81 ms (baseline: 27.58 ms, -64.4%) scaling.none.50x: 320.22 ms (baseline: 340.41 ms, -5.9%) ⚠️ scaling.movingAvg.50x: 82.26 ms (baseline: 54.43 ms, +51.1%) ⚠️ scaling.rdp.50x: 32.71 ms (baseline: 21.86 ms, +49.6%) ✓ multiseries.movingAvg.1series: 8.03 ms (baseline: 9.18 ms, -12.6%) ✓ multiseries.rdp.1series: 5.28 ms (baseline: 7.17 ms, -26.4%) ✓ multiseries.movingAvg.2series: 25.91 ms (baseline: 45.59 ms, -43.2%) ⚠️ multiseries.rdp.2series: 24.65 ms (baseline: 9.79 ms, +151.7%) ✓ multiseries.movingAvg.3series: 22.32 ms (baseline: 26.44 ms, -15.6%) multiseries.rdp.3series: 24.38 ms (baseline: 21.76 ms, +12.0%) ✓ multiseries.movingAvg.5series: 24.19 ms (baseline: 36.49 ms, -33.7%) multiseries.rdp.5series: 46.76 ms (baseline: 42.73 ms, +9.4%) 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: 46.24 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: 0.019 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: 0.034 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: 22.64 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: 2026-03-08T07:20:59Z [INFO] ------------------------------------------------------------------------