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: 2.569 s [INFO] Finished at: 2026-03-22T07:24:21Z [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-rc2 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.425 s [INFO] Finished at: 2026-03-22T07:24:27Z [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] --- 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: 2026-03-22T06:20:08.232688423Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:24:57.800 [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 | 3.40 ms | 3.83 ms | 4.58 ms 1,000 | 3.95 ms | 2.64 ms | 6.04 ms 10,000 | 28.26 ms | 1.87 ms | 16.59 ms 49,871 | 54.26 ms | 7.19 ms | 71.00 ms 97,643 | 119.17 ms | 12.28 ms | 7.02 ms 495,995 | 285.66 ms | 66.01 ms | 24.94 ms 944,282 | 599.69 ms | 134.07 ms | 82.92 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 | 537.7 µs | 3.78 ms | 4.32 ms 10,000 | 1.48 ms | 866.2 µs | 2.35 ms 50,000 | 11.21 ms | 1.34 ms | 12.55 ms 100,000 | 10.79 ms | 3.29 ms | 14.08 ms 500,000 | 44.06 ms | 1.44 ms | 45.51 ms 948,423 | 45.03 ms | 819.2 µs | 45.85 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 | 7.61 ms ( 0.4x) | 690.2 µs ( 0.9x) | 556.5 µs ( 0.6x) 2x | 19,996 | 17.29 ms ( 1.0x) | 2.61 ms ( 3.3x) | 1.48 ms ( 1.6x) 5x | 49,871 | 26.76 ms ( 1.5x) | 2.92 ms ( 3.7x) | 2.03 ms ( 2.2x) 10x | 97,643 | 55.89 ms ( 3.2x) | 5.18 ms ( 6.5x) | 5.03 ms ( 5.6x) 20x | 196,569 | 128.55 ms ( 7.4x) | 9.44 ms (11.8x) | 7.54 ms ( 8.4x) 50x | 495,995 | 267.00 ms (15.4x) | 47.41 ms (59.3x) | 23.25 ms (25.8x) 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 | 478.6 µs | 5 | 209.0 µs 10,000 | 5 | 785.3 µs | 5 | 1.96 ms 97,643 | 5 | 6.35 ms | 5 | 8.29 ms 495,995 | 5 | 46.23 ms | 5 | 50.52 ms 944,282 | 5 | 96.83 ms | 5 | 38.17 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 | 7.62 ms | 20.94 ms 2 | 10.68 ms | 10.74 ms 3 | 18.05 ms | 18.67 ms 5 | 24.39 ms | 24.72 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.40 ms (baseline: 5.36 ms, -36.5%) ✓ sparkline.movingAvg.100: 3.83 ms (baseline: 4.58 ms, -16.4%) sparkline.rdp.100: 4.58 ms (baseline: 4.71 ms, -2.7%) ✓ sparkline.none.1000: 3.95 ms (baseline: 5.23 ms, -24.4%) ✓ sparkline.movingAvg.1000: 2.64 ms (baseline: 3.49 ms, -24.3%) sparkline.rdp.1000: 6.04 ms (baseline: 6.18 ms, -2.2%) ⚠️ sparkline.none.10000: 28.26 ms (baseline: 15.72 ms, +79.8%) ✓ sparkline.movingAvg.10000: 1.87 ms (baseline: 3.37 ms, -44.5%) ⚠️ sparkline.rdp.10000: 16.59 ms (baseline: 6.25 ms, +165.3%) sparkline.none.50000: 54.26 ms (baseline: 54.30 ms, -0.1%) sparkline.movingAvg.50000: 7.19 ms (baseline: 6.87 ms, +4.6%) ✓ sparkline.rdp.50000: 71.00 ms (baseline: 90.20 ms, -21.3%) sparkline.none.100000: 119.17 ms (baseline: 109.14 ms, +9.2%) ⚠️ sparkline.movingAvg.100000: 12.28 ms (baseline: 9.02 ms, +36.1%) ⚠️ sparkline.rdp.100000: 7.02 ms (baseline: 5.35 ms, +31.1%) ✓ sparkline.none.500000: 285.66 ms (baseline: 394.73 ms, -27.6%) ⚠️ sparkline.movingAvg.500000: 66.01 ms (baseline: 34.14 ms, +93.3%) ✓ sparkline.rdp.500000: 24.94 ms (baseline: 30.04 ms, -17.0%) sparkline.none.948423: 599.69 ms (baseline: 559.66 ms, +7.2%) sparkline.movingAvg.948423: 134.07 ms (baseline: 121.91 ms, +10.0%) ✓ sparkline.rdp.948423: 82.92 ms (baseline: 166.04 ms, -50.1%) ✓ windrose.aggregation.1000: 537.7 µs (baseline: 1.27 ms, -57.6%) ✓ windrose.draw.1000: 3.78 ms (baseline: 6.30 ms, -39.9%) ✓ windrose.aggregation.10000: 1.48 ms (baseline: 7.72 ms, -80.8%) ⚠️ windrose.draw.10000: 866.2 µs (baseline: 689.3 µs, +25.6%) ✓ windrose.aggregation.50000: 11.21 ms (baseline: 13.07 ms, -14.3%) ✓ windrose.draw.50000: 1.34 ms (baseline: 2.16 ms, -37.9%) ✓ windrose.aggregation.100000: 10.79 ms (baseline: 13.01 ms, -17.0%) ⚠️ windrose.draw.100000: 3.29 ms (baseline: 1.46 ms, +125.6%) windrose.aggregation.500000: 44.06 ms (baseline: 38.68 ms, +13.9%) windrose.draw.500000: 1.44 ms (baseline: 1.41 ms, +2.2%) ✓ windrose.aggregation.948423: 45.03 ms (baseline: 51.43 ms, -12.4%) ✓ windrose.draw.948423: 819.2 µs (baseline: 1.54 ms, -46.9%) ✓ scaling.none.1x: 7.61 ms (baseline: 9.13 ms, -16.7%) scaling.movingAvg.1x: 690.2 µs (baseline: 679.3 µs, +1.6%) ✓ scaling.rdp.1x: 556.5 µs (baseline: 945.3 µs, -41.1%) ✓ scaling.none.2x: 17.29 ms (baseline: 27.12 ms, -36.2%) ✓ scaling.movingAvg.2x: 2.61 ms (baseline: 3.28 ms, -20.4%) ✓ scaling.rdp.2x: 1.48 ms (baseline: 5.37 ms, -72.4%) ✓ scaling.none.5x: 26.76 ms (baseline: 46.58 ms, -42.6%) ✓ scaling.movingAvg.5x: 2.92 ms (baseline: 7.18 ms, -59.3%) ✓ scaling.rdp.5x: 2.03 ms (baseline: 4.22 ms, -52.0%) scaling.none.10x: 55.89 ms (baseline: 55.63 ms, +0.5%) ✓ scaling.movingAvg.10x: 5.18 ms (baseline: 6.72 ms, -22.9%) ⚠️ scaling.rdp.10x: 5.03 ms (baseline: 4.04 ms, +24.7%) scaling.none.20x: 128.55 ms (baseline: 131.49 ms, -2.2%) scaling.movingAvg.20x: 9.44 ms (baseline: 9.25 ms, +2.0%) scaling.rdp.20x: 7.54 ms (baseline: 7.65 ms, -1.5%) ✓ scaling.none.50x: 267.00 ms (baseline: 331.64 ms, -19.5%) ✓ scaling.movingAvg.50x: 47.41 ms (baseline: 57.55 ms, -17.6%) ✓ scaling.rdp.50x: 23.25 ms (baseline: 41.11 ms, -43.5%) ✓ multiseries.movingAvg.1series: 7.62 ms (baseline: 9.97 ms, -23.5%) ⚠️ multiseries.rdp.1series: 20.94 ms (baseline: 7.23 ms, +189.8%) ✓ multiseries.movingAvg.2series: 10.68 ms (baseline: 23.40 ms, -54.4%) multiseries.rdp.2series: 10.74 ms (baseline: 10.18 ms, +5.5%) ✓ multiseries.movingAvg.3series: 18.05 ms (baseline: 22.73 ms, -20.6%) ✓ multiseries.rdp.3series: 18.67 ms (baseline: 28.06 ms, -33.5%) ✓ multiseries.movingAvg.5series: 24.39 ms (baseline: 27.16 ms, -10.2%) ✓ multiseries.rdp.5series: 24.72 ms (baseline: 33.65 ms, -26.5%) 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: 42.44 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: 0.012 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: 0.018 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: 14.64 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: 01:07 min [INFO] Finished at: 2026-03-22T07:25:37Z [INFO] ------------------------------------------------------------------------