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: 3.026 s [INFO] Finished at: 2026-03-08T06:14:58Z [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] --- 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 -> 25.0.6 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.741 s [INFO] Finished at: 2026-03-08T06:15:04Z [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: 2026-03-08T04:45:03.108416734Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:15:38.705 [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 | 2.88 ms | 5.83 ms | 2.56 ms 1,000 | 6.78 ms | 3.73 ms | 5.34 ms 10,000 | 23.43 ms | 15.95 ms | 10.96 ms 49,871 | 52.00 ms | 6.91 ms | 101.07 ms 97,643 | 68.36 ms | 8.80 ms | 13.84 ms 495,995 | 372.63 ms | 56.22 ms | 33.49 ms 944,282 | 707.54 ms | 140.04 ms | 110.35 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 | 439.3 µs | 1.26 ms | 1.70 ms 10,000 | 4.16 ms | 1.69 ms | 5.84 ms 50,000 | 13.45 ms | 2.03 ms | 15.49 ms 100,000 | 12.74 ms | 719.5 µs | 13.46 ms 500,000 | 56.61 ms | 695.9 µs | 57.31 ms 948,423 | 68.47 ms | 12.25 ms | 80.72 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 | 6.10 ms ( 0.6x) | 1.43 ms ( 0.8x) | 1.85 ms ( 1.2x) 2x | 19,996 | 17.70 ms ( 1.9x) | 4.44 ms ( 2.4x) | 2.11 ms ( 1.4x) 5x | 49,871 | 53.90 ms ( 5.6x) | 6.72 ms ( 3.7x) | 2.73 ms ( 1.7x) 10x | 97,643 | 71.74 ms ( 7.5x) | 10.75 ms ( 5.8x) | 4.09 ms ( 2.6x) 20x | 196,569 | 141.03 ms (14.8x) | 14.23 ms ( 7.7x) | 27.58 ms (17.7x) 50x | 495,995 | 340.41 ms (35.7x) | 54.43 ms (29.6x) | 21.86 ms (14.0x) 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 | 250.6 µs | 5 | 294.4 µs 10,000 | 5 | 2.60 ms | 5 | 1.90 ms 97,643 | 5 | 8.46 ms | 5 | 21.59 ms 495,995 | 5 | 61.57 ms | 5 | 54.89 ms 944,282 | 5 | 152.84 ms | 5 | 77.36 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 | 9.18 ms | 7.17 ms 2 | 45.59 ms | 9.79 ms 3 | 26.44 ms | 21.76 ms 5 | 36.49 ms | 42.73 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.88 ms (baseline: 1.63 ms, +76.3%) ⚠️ sparkline.movingAvg.100: 5.83 ms (baseline: 1.68 ms, +247.0%) ✓ sparkline.rdp.100: 2.56 ms (baseline: 3.38 ms, -24.3%) ⚠️ sparkline.none.1000: 6.78 ms (baseline: 5.47 ms, +24.0%) sparkline.movingAvg.1000: 3.73 ms (baseline: 3.51 ms, +6.2%) ⚠️ sparkline.rdp.1000: 5.34 ms (baseline: 4.17 ms, +28.1%) ⚠️ sparkline.none.10000: 23.43 ms (baseline: 15.50 ms, +51.2%) ⚠️ sparkline.movingAvg.10000: 15.95 ms (baseline: 3.00 ms, +431.9%) ✓ sparkline.rdp.10000: 10.96 ms (baseline: 12.39 ms, -11.5%) ⚠️ sparkline.none.50000: 52.00 ms (baseline: 35.22 ms, +47.6%) ⚠️ sparkline.movingAvg.50000: 6.91 ms (baseline: 4.55 ms, +51.7%) ⚠️ sparkline.rdp.50000: 101.07 ms (baseline: 39.03 ms, +158.9%) ⚠️ sparkline.none.100000: 68.36 ms (baseline: 54.21 ms, +26.1%) ✓ sparkline.movingAvg.100000: 8.80 ms (baseline: 9.85 ms, -10.7%) ⚠️ sparkline.rdp.100000: 13.84 ms (baseline: 8.39 ms, +65.0%) ⚠️ sparkline.none.500000: 372.63 ms (baseline: 268.72 ms, +38.7%) ⚠️ sparkline.movingAvg.500000: 56.22 ms (baseline: 42.78 ms, +31.4%) ⚠️ sparkline.rdp.500000: 33.49 ms (baseline: 22.04 ms, +52.0%) ⚠️ sparkline.none.948423: 707.54 ms (baseline: 486.34 ms, +45.5%) ⚠️ sparkline.movingAvg.948423: 140.04 ms (baseline: 110.07 ms, +27.2%) ⚠️ sparkline.rdp.948423: 110.35 ms (baseline: 75.87 ms, +45.4%) ✓ windrose.aggregation.1000: 439.3 µs (baseline: 491.8 µs, -10.7%) ✓ windrose.draw.1000: 1.26 ms (baseline: 2.20 ms, -42.7%) windrose.aggregation.10000: 4.16 ms (baseline: 4.03 ms, +3.0%) ✓ windrose.draw.10000: 1.69 ms (baseline: 1.89 ms, -10.7%) ✓ windrose.aggregation.50000: 13.45 ms (baseline: 25.56 ms, -47.4%) ⚠️ windrose.draw.50000: 2.03 ms (baseline: 1.39 ms, +46.1%) ⚠️ windrose.aggregation.100000: 12.74 ms (baseline: 10.44 ms, +22.0%) ✓ windrose.draw.100000: 719.5 µs (baseline: 1.53 ms, -52.9%) ⚠️ windrose.aggregation.500000: 56.61 ms (baseline: 31.46 ms, +80.0%) ⚠️ windrose.draw.500000: 695.9 µs (baseline: 550.1 µs, +26.5%) ⚠️ windrose.aggregation.948423: 68.47 ms (baseline: 54.18 ms, +26.4%) ⚠️ windrose.draw.948423: 12.25 ms (baseline: 723.6 µs, +1592.9%) scaling.none.1x: 6.10 ms (baseline: 6.47 ms, -5.7%) scaling.movingAvg.1x: 1.43 ms (baseline: 1.44 ms, -0.6%) ⚠️ scaling.rdp.1x: 1.85 ms (baseline: 543.4 µs, +239.9%) ⚠️ scaling.none.2x: 17.70 ms (baseline: 10.82 ms, +63.6%) ⚠️ scaling.movingAvg.2x: 4.44 ms (baseline: 1.22 ms, +265.0%) ⚠️ scaling.rdp.2x: 2.11 ms (baseline: 1.12 ms, +89.0%) ⚠️ scaling.none.5x: 53.90 ms (baseline: 35.89 ms, +50.2%) ✓ scaling.movingAvg.5x: 6.72 ms (baseline: 8.86 ms, -24.2%) ✓ scaling.rdp.5x: 2.73 ms (baseline: 4.79 ms, -43.1%) ⚠️ scaling.none.10x: 71.74 ms (baseline: 43.77 ms, +63.9%) ⚠️ scaling.movingAvg.10x: 10.75 ms (baseline: 4.51 ms, +138.6%) scaling.rdp.10x: 4.09 ms (baseline: 3.99 ms, +2.4%) ⚠️ scaling.none.20x: 141.03 ms (baseline: 93.28 ms, +51.2%) scaling.movingAvg.20x: 14.23 ms (baseline: 14.58 ms, -2.4%) ⚠️ scaling.rdp.20x: 27.58 ms (baseline: 11.25 ms, +145.1%) ⚠️ scaling.none.50x: 340.41 ms (baseline: 245.08 ms, +38.9%) ⚠️ scaling.movingAvg.50x: 54.43 ms (baseline: 44.31 ms, +22.9%) ✓ scaling.rdp.50x: 21.86 ms (baseline: 24.57 ms, -11.0%) ⚠️ multiseries.movingAvg.1series: 9.18 ms (baseline: 7.29 ms, +25.9%) ⚠️ multiseries.rdp.1series: 7.17 ms (baseline: 4.52 ms, +58.7%) ⚠️ multiseries.movingAvg.2series: 45.59 ms (baseline: 10.12 ms, +350.5%) multiseries.rdp.2series: 9.79 ms (baseline: 10.51 ms, -6.8%) ⚠️ multiseries.movingAvg.3series: 26.44 ms (baseline: 16.17 ms, +63.5%) ⚠️ multiseries.rdp.3series: 21.76 ms (baseline: 15.87 ms, +37.2%) ⚠️ multiseries.movingAvg.5series: 36.49 ms (baseline: 25.98 ms, +40.5%) ⚠️ multiseries.rdp.5series: 42.73 ms (baseline: 26.81 ms, +59.3%) 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: 48.36 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: 0.066 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: 0.045 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: 22.91 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: 01:24 min [INFO] Finished at: 2026-03-08T06:16:32Z [INFO] ------------------------------------------------------------------------