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: 2.356 s [INFO] Finished at: 2026-03-09T07:28:47Z [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] --- 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: 2.523 s [INFO] Finished at: 2026-03-09T07:28:52Z [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] --- 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: 2026-03-09T06:23:50.832359477Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:29:21.341 [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 | 2.16 ms | 3.18 ms | 2.63 ms 1,000 | 4.62 ms | 1.32 ms | 1.57 ms 10,000 | 23.79 ms | 5.75 ms | 7.24 ms 49,871 | 37.54 ms | 4.16 ms | 85.56 ms 97,643 | 136.35 ms | 7.65 ms | 9.36 ms 495,995 | 317.62 ms | 56.58 ms | 25.52 ms 944,282 | 644.91 ms | 158.69 ms | 145.59 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 | 476.2 µs | 3.11 ms | 3.58 ms 10,000 | 1.53 ms | 2.34 ms | 3.88 ms 50,000 | 25.81 ms | 1.89 ms | 27.70 ms 100,000 | 10.59 ms | 729.1 µs | 11.32 ms 500,000 | 20.08 ms | 569.6 µs | 20.65 ms 948,423 | 42.57 ms | 2.17 ms | 44.75 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 | 10.52 ms ( 1.1x) | 928.5 µs ( 1.0x) | 572.4 µs ( 0.8x) 2x | 19,996 | 19.59 ms ( 2.1x) | 5.37 ms ( 5.8x) | 2.31 ms ( 3.2x) 5x | 49,871 | 45.44 ms ( 4.9x) | 7.90 ms ( 8.5x) | 2.10 ms ( 2.9x) 10x | 97,643 | 57.30 ms ( 6.2x) | 7.88 ms ( 8.5x) | 3.75 ms ( 5.2x) 20x | 196,569 | 117.67 ms (12.7x) | 14.85 ms (16.0x) | 9.01 ms (12.4x) 50x | 495,995 | 319.65 ms (34.4x) | 83.26 ms (89.5x) | 62.84 ms (86.7x) 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 | 315.9 µs | 5 | 216.4 µs 10,000 | 5 | 781.7 µs | 5 | 461.6 µs 97,643 | 5 | 13.55 ms | 5 | 5.73 ms 495,995 | 5 | 64.02 ms | 5 | 35.38 ms 944,282 | 5 | 118.33 ms | 5 | 71.52 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 | 17.58 ms | 7.20 ms 2 | 12.51 ms | 15.67 ms 3 | 28.10 ms | 31.94 ms 5 | 26.60 ms | 29.23 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.16 ms (baseline: 5.27 ms, -59.0%) sparkline.movingAvg.100: 3.18 ms (baseline: 3.00 ms, +6.1%) ✓ sparkline.rdp.100: 2.63 ms (baseline: 5.25 ms, -49.9%) ✓ sparkline.none.1000: 4.62 ms (baseline: 10.19 ms, -54.7%) ✓ sparkline.movingAvg.1000: 1.32 ms (baseline: 2.53 ms, -47.6%) sparkline.rdp.1000: 1.57 ms (baseline: 1.54 ms, +1.5%) ⚠️ sparkline.none.10000: 23.79 ms (baseline: 15.74 ms, +51.1%) ⚠️ sparkline.movingAvg.10000: 5.75 ms (baseline: 1.17 ms, +391.2%) ⚠️ sparkline.rdp.10000: 7.24 ms (baseline: 4.37 ms, +65.9%) ✓ sparkline.none.50000: 37.54 ms (baseline: 52.14 ms, -28.0%) ✓ sparkline.movingAvg.50000: 4.16 ms (baseline: 11.39 ms, -63.5%) ✓ sparkline.rdp.50000: 85.56 ms (baseline: 113.39 ms, -24.5%) sparkline.none.100000: 136.35 ms (baseline: 120.42 ms, +13.2%) ✓ sparkline.movingAvg.100000: 7.65 ms (baseline: 18.46 ms, -58.6%) ✓ sparkline.rdp.100000: 9.36 ms (baseline: 18.49 ms, -49.4%) ✓ sparkline.none.500000: 317.62 ms (baseline: 428.52 ms, -25.9%) sparkline.movingAvg.500000: 56.58 ms (baseline: 62.83 ms, -9.9%) ✓ sparkline.rdp.500000: 25.52 ms (baseline: 37.25 ms, -31.5%) sparkline.none.948423: 644.91 ms (baseline: 676.38 ms, -4.7%) ⚠️ sparkline.movingAvg.948423: 158.69 ms (baseline: 105.59 ms, +50.3%) ⚠️ sparkline.rdp.948423: 145.59 ms (baseline: 75.75 ms, +92.2%) ✓ windrose.aggregation.1000: 476.2 µs (baseline: 5.04 ms, -90.5%) ✓ windrose.draw.1000: 3.11 ms (baseline: 3.63 ms, -14.4%) ✓ windrose.aggregation.10000: 1.53 ms (baseline: 1.99 ms, -22.9%) ⚠️ windrose.draw.10000: 2.34 ms (baseline: 1.88 ms, +24.4%) ⚠️ windrose.aggregation.50000: 25.81 ms (baseline: 15.40 ms, +67.6%) windrose.draw.50000: 1.89 ms (baseline: 2.03 ms, -7.0%) ⚠️ windrose.aggregation.100000: 10.59 ms (baseline: 7.65 ms, +38.3%) ✓ windrose.draw.100000: 729.1 µs (baseline: 1.70 ms, -57.0%) ✓ windrose.aggregation.500000: 20.08 ms (baseline: 49.40 ms, -59.3%) ✓ windrose.draw.500000: 569.6 µs (baseline: 1.84 ms, -69.1%) windrose.aggregation.948423: 42.57 ms (baseline: 46.35 ms, -8.1%) ⚠️ windrose.draw.948423: 2.17 ms (baseline: 727.3 µs, +198.8%) scaling.none.1x: 10.52 ms (baseline: 8.84 ms, +19.0%) scaling.movingAvg.1x: 928.5 µs (baseline: 900.0 µs, +3.2%) scaling.rdp.1x: 572.4 µs (baseline: 594.5 µs, -3.7%) ⚠️ scaling.none.2x: 19.59 ms (baseline: 12.97 ms, +51.1%) ⚠️ scaling.movingAvg.2x: 5.37 ms (baseline: 1.99 ms, +169.2%) ⚠️ scaling.rdp.2x: 2.31 ms (baseline: 922.4 µs, +150.4%) ⚠️ scaling.none.5x: 45.44 ms (baseline: 37.39 ms, +21.5%) ⚠️ scaling.movingAvg.5x: 7.90 ms (baseline: 3.80 ms, +108.0%) scaling.rdp.5x: 2.10 ms (baseline: 1.86 ms, +12.9%) ✓ scaling.none.10x: 57.30 ms (baseline: 80.65 ms, -29.0%) ✓ scaling.movingAvg.10x: 7.88 ms (baseline: 10.89 ms, -27.7%) ✓ scaling.rdp.10x: 3.75 ms (baseline: 11.37 ms, -67.0%) scaling.none.20x: 117.67 ms (baseline: 128.49 ms, -8.4%) ✓ scaling.movingAvg.20x: 14.85 ms (baseline: 27.66 ms, -46.3%) scaling.rdp.20x: 9.01 ms (baseline: 8.59 ms, +4.8%) ✓ scaling.none.50x: 319.65 ms (baseline: 378.78 ms, -15.6%) ✓ scaling.movingAvg.50x: 83.26 ms (baseline: 107.09 ms, -22.2%) ⚠️ scaling.rdp.50x: 62.84 ms (baseline: 22.58 ms, +178.3%) ⚠️ multiseries.movingAvg.1series: 17.58 ms (baseline: 8.75 ms, +101.0%) ⚠️ multiseries.rdp.1series: 7.20 ms (baseline: 4.30 ms, +67.2%) ✓ multiseries.movingAvg.2series: 12.51 ms (baseline: 22.51 ms, -44.4%) multiseries.rdp.2series: 15.67 ms (baseline: 16.87 ms, -7.1%) ✓ multiseries.movingAvg.3series: 28.10 ms (baseline: 32.05 ms, -12.3%) ⚠️ multiseries.rdp.3series: 31.94 ms (baseline: 14.45 ms, +121.0%) ✓ multiseries.movingAvg.5series: 26.60 ms (baseline: 30.46 ms, -12.7%) ✓ multiseries.rdp.5series: 29.23 ms (baseline: 34.37 ms, -15.0%) 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: 44.61 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: 0.008 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: 22.65 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: 01:18 min [INFO] Finished at: 2026-03-09T07:30:13Z [INFO] ------------------------------------------------------------------------