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: 2.581 s [INFO] Finished at: 2026-03-25T06:24:21Z [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 -> 25.0.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.579 s [INFO] Finished at: 2026-03-25T06:24:27Z [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: 2026-03-25T04:48:26.302364108Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:24:58.854 [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 | 3.92 ms | 3.95 ms | 1.40 ms 1,000 | 4.18 ms | 2.51 ms | 4.39 ms 10,000 | 23.58 ms | 5.87 ms | 5.76 ms 49,871 | 53.58 ms | 11.24 ms | 36.41 ms 97,643 | 73.37 ms | 10.42 ms | 4.99 ms 495,995 | 351.65 ms | 47.03 ms | 24.00 ms 944,282 | 560.18 ms | 110.46 ms | 71.93 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 | 548.3 µs | 2.67 ms | 3.22 ms 10,000 | 1.56 ms | 2.98 ms | 4.54 ms 50,000 | 7.81 ms | 1.55 ms | 9.35 ms 100,000 | 8.87 ms | 1.52 ms | 10.39 ms 500,000 | 52.32 ms | 1.15 ms | 53.47 ms 948,423 | 70.66 ms | 3.98 ms | 74.64 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 | 8.54 ms ( 0.5x) | 656.1 µs ( 0.5x) | 687.8 µs ( 0.5x) 2x | 19,996 | 9.48 ms ( 0.6x) | 1.15 ms ( 0.9x) | 896.3 µs ( 0.6x) 5x | 49,871 | 25.79 ms ( 1.7x) | 4.43 ms ( 3.5x) | 2.91 ms ( 1.9x) 10x | 97,643 | 63.86 ms ( 4.1x) | 7.60 ms ( 6.0x) | 3.18 ms ( 2.1x) 20x | 196,569 | 121.96 ms ( 7.8x) | 18.26 ms (14.5x) | 10.72 ms ( 7.2x) 50x | 495,995 | 342.78 ms (21.9x) | 76.39 ms (60.6x) | 28.14 ms (18.8x) 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 | 264.2 µs | 5 | 336.6 µs 10,000 | 5 | 1.10 ms | 5 | 1.05 ms 97,643 | 5 | 4.25 ms | 5 | 3.24 ms 495,995 | 5 | 44.40 ms | 5 | 40.20 ms 944,282 | 5 | 116.23 ms | 5 | 60.77 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 | 5.89 ms | 4.14 ms 2 | 25.77 ms | 10.00 ms 3 | 14.76 ms | 14.41 ms 5 | 25.08 ms | 27.88 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.92 ms (baseline: 1.25 ms, +214.3%) ⚠️ sparkline.movingAvg.100: 3.95 ms (baseline: 1.48 ms, +166.5%) sparkline.rdp.100: 1.40 ms (baseline: 1.18 ms, +19.1%) ⚠️ sparkline.none.1000: 4.18 ms (baseline: 3.12 ms, +34.1%) ⚠️ sparkline.movingAvg.1000: 2.51 ms (baseline: 1.56 ms, +60.6%) ⚠️ sparkline.rdp.1000: 4.39 ms (baseline: 1.77 ms, +147.8%) ⚠️ sparkline.none.10000: 23.58 ms (baseline: 13.10 ms, +80.0%) ⚠️ sparkline.movingAvg.10000: 5.87 ms (baseline: 2.68 ms, +119.1%) ⚠️ sparkline.rdp.10000: 5.76 ms (baseline: 3.56 ms, +61.7%) ⚠️ sparkline.none.50000: 53.58 ms (baseline: 25.84 ms, +107.4%) ⚠️ sparkline.movingAvg.50000: 11.24 ms (baseline: 3.38 ms, +232.1%) ✓ sparkline.rdp.50000: 36.41 ms (baseline: 41.24 ms, -11.7%) ⚠️ sparkline.none.100000: 73.37 ms (baseline: 53.06 ms, +38.3%) ⚠️ sparkline.movingAvg.100000: 10.42 ms (baseline: 4.78 ms, +118.0%) sparkline.rdp.100000: 4.99 ms (baseline: 5.34 ms, -6.6%) ⚠️ sparkline.none.500000: 351.65 ms (baseline: 225.26 ms, +56.1%) ⚠️ sparkline.movingAvg.500000: 47.03 ms (baseline: 23.58 ms, +99.4%) sparkline.rdp.500000: 24.00 ms (baseline: 26.10 ms, -8.0%) ⚠️ sparkline.none.948423: 560.18 ms (baseline: 418.08 ms, +34.0%) ⚠️ sparkline.movingAvg.948423: 110.46 ms (baseline: 86.08 ms, +28.3%) ✓ sparkline.rdp.948423: 71.93 ms (baseline: 108.07 ms, -33.4%) ⚠️ windrose.aggregation.1000: 548.3 µs (baseline: 436.2 µs, +25.7%) ⚠️ windrose.draw.1000: 2.67 ms (baseline: 799.8 µs, +233.8%) windrose.aggregation.10000: 1.56 ms (baseline: 1.49 ms, +4.4%) ⚠️ windrose.draw.10000: 2.98 ms (baseline: 674.2 µs, +341.9%) windrose.aggregation.50000: 7.81 ms (baseline: 6.87 ms, +13.5%) ⚠️ windrose.draw.50000: 1.55 ms (baseline: 588.3 µs, +163.0%) ⚠️ windrose.aggregation.100000: 8.87 ms (baseline: 4.33 ms, +104.9%) ⚠️ windrose.draw.100000: 1.52 ms (baseline: 743.6 µs, +104.5%) ⚠️ windrose.aggregation.500000: 52.32 ms (baseline: 23.09 ms, +126.6%) ⚠️ windrose.draw.500000: 1.15 ms (baseline: 637.5 µs, +79.8%) ⚠️ windrose.aggregation.948423: 70.66 ms (baseline: 41.44 ms, +70.5%) ⚠️ windrose.draw.948423: 3.98 ms (baseline: 504.9 µs, +689.1%) ⚠️ scaling.none.1x: 8.54 ms (baseline: 4.37 ms, +95.5%) scaling.movingAvg.1x: 656.1 µs (baseline: 573.3 µs, +14.4%) ⚠️ scaling.rdp.1x: 687.8 µs (baseline: 559.1 µs, +23.0%) scaling.none.2x: 9.48 ms (baseline: 8.46 ms, +12.0%) scaling.movingAvg.2x: 1.15 ms (baseline: 1.06 ms, +9.3%) scaling.rdp.2x: 896.3 µs (baseline: 889.1 µs, +0.8%) scaling.none.5x: 25.79 ms (baseline: 21.86 ms, +17.9%) ⚠️ scaling.movingAvg.5x: 4.43 ms (baseline: 2.63 ms, +68.4%) ⚠️ scaling.rdp.5x: 2.91 ms (baseline: 1.92 ms, +51.7%) ⚠️ scaling.none.10x: 63.86 ms (baseline: 46.30 ms, +37.9%) ⚠️ scaling.movingAvg.10x: 7.60 ms (baseline: 4.49 ms, +69.3%) scaling.rdp.10x: 3.18 ms (baseline: 3.22 ms, -1.2%) ⚠️ scaling.none.20x: 121.96 ms (baseline: 88.98 ms, +37.1%) ⚠️ scaling.movingAvg.20x: 18.26 ms (baseline: 7.82 ms, +133.5%) ⚠️ scaling.rdp.20x: 10.72 ms (baseline: 6.94 ms, +54.5%) ⚠️ scaling.none.50x: 342.78 ms (baseline: 218.38 ms, +57.0%) ⚠️ scaling.movingAvg.50x: 76.39 ms (baseline: 38.99 ms, +95.9%) ⚠️ scaling.rdp.50x: 28.14 ms (baseline: 20.65 ms, +36.3%) ⚠️ multiseries.movingAvg.1series: 5.89 ms (baseline: 4.66 ms, +26.5%) multiseries.rdp.1series: 4.14 ms (baseline: 4.53 ms, -8.5%) ⚠️ multiseries.movingAvg.2series: 25.77 ms (baseline: 10.91 ms, +136.3%) multiseries.rdp.2series: 10.00 ms (baseline: 9.94 ms, +0.5%) multiseries.movingAvg.3series: 14.76 ms (baseline: 13.06 ms, +13.0%) multiseries.rdp.3series: 14.41 ms (baseline: 13.64 ms, +5.6%) multiseries.movingAvg.5series: 25.08 ms (baseline: 23.17 ms, +8.3%) multiseries.rdp.5series: 27.88 ms (baseline: 24.29 ms, +14.8%) 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: 43.50 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: 0.026 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: 0.035 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: 15.33 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: 2026-03-25T06:25:40Z [INFO] ------------------------------------------------------------------------