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: 2.576 s [INFO] Finished at: 2026-03-23T06:26:09Z [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: 2.560 s [INFO] Finished at: 2026-03-23T06:26:14Z [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: 2026-03-23T04:54:48.909200272Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:26:44.474 [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 | 4.75 ms | 7.66 ms | 4.73 ms 1,000 | 9.44 ms | 4.51 ms | 5.49 ms 10,000 | 27.51 ms | 2.34 ms | 8.25 ms 49,871 | 41.56 ms | 4.53 ms | 47.68 ms 97,643 | 84.56 ms | 9.74 ms | 7.08 ms 495,995 | 295.13 ms | 54.71 ms | 22.27 ms 944,282 | 526.96 ms | 112.29 ms | 187.32 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 | 487.2 µs | 1.39 ms | 1.88 ms 10,000 | 1.87 ms | 871.4 µs | 2.74 ms 50,000 | 6.87 ms | 758.1 µs | 7.63 ms 100,000 | 9.67 ms | 755.7 µs | 10.43 ms 500,000 | 37.79 ms | 1.26 ms | 39.05 ms 948,423 | 36.24 ms | 642.8 µs | 36.88 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 | 12.11 ms ( 1.4x) | 3.41 ms ( 1.3x) | 2.83 ms ( 1.4x) 2x | 19,996 | 17.19 ms ( 2.0x) | 1.75 ms ( 0.7x) | 1.98 ms ( 1.0x) 5x | 49,871 | 38.88 ms ( 4.5x) | 4.95 ms ( 2.0x) | 4.83 ms ( 2.4x) 10x | 97,643 | 49.97 ms ( 5.7x) | 9.32 ms ( 3.7x) | 8.18 ms ( 4.1x) 20x | 196,569 | 128.69 ms (14.8x) | 11.63 ms ( 4.6x) | 9.55 ms ( 4.8x) 50x | 495,995 | 220.65 ms (25.3x) | 30.39 ms (12.0x) | 56.17 ms (28.4x) 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 | 900.5 µs | 5 | 1.08 ms 10,000 | 5 | 1.57 ms | 5 | 1.36 ms 97,643 | 5 | 7.12 ms | 5 | 3.73 ms 495,995 | 5 | 47.89 ms | 5 | 42.94 ms 944,282 | 5 | 87.96 ms | 5 | 60.20 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 | 4.57 ms | 3.07 ms 2 | 11.19 ms | 11.55 ms 3 | 18.45 ms | 17.77 ms 5 | 26.25 ms | 24.77 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.75 ms (baseline: 1.20 ms, +296.7%) ⚠️ sparkline.movingAvg.100: 7.66 ms (baseline: 1.54 ms, +397.1%) ⚠️ sparkline.rdp.100: 4.73 ms (baseline: 1.76 ms, +168.2%) ⚠️ sparkline.none.1000: 9.44 ms (baseline: 2.37 ms, +297.5%) ⚠️ sparkline.movingAvg.1000: 4.51 ms (baseline: 1.93 ms, +133.8%) ⚠️ sparkline.rdp.1000: 5.49 ms (baseline: 1.46 ms, +275.6%) ⚠️ sparkline.none.10000: 27.51 ms (baseline: 13.23 ms, +107.8%) ✓ sparkline.movingAvg.10000: 2.34 ms (baseline: 3.00 ms, -21.8%) ⚠️ sparkline.rdp.10000: 8.25 ms (baseline: 5.46 ms, +51.0%) ⚠️ sparkline.none.50000: 41.56 ms (baseline: 22.05 ms, +88.5%) ⚠️ sparkline.movingAvg.50000: 4.53 ms (baseline: 2.97 ms, +52.7%) ⚠️ sparkline.rdp.50000: 47.68 ms (baseline: 32.50 ms, +46.7%) ⚠️ sparkline.none.100000: 84.56 ms (baseline: 49.67 ms, +70.3%) ⚠️ sparkline.movingAvg.100000: 9.74 ms (baseline: 5.26 ms, +85.2%) ⚠️ sparkline.rdp.100000: 7.08 ms (baseline: 3.66 ms, +93.5%) sparkline.none.500000: 295.13 ms (baseline: 268.10 ms, +10.1%) ⚠️ sparkline.movingAvg.500000: 54.71 ms (baseline: 28.67 ms, +90.8%) ✓ sparkline.rdp.500000: 22.27 ms (baseline: 36.21 ms, -38.5%) ⚠️ sparkline.none.948423: 526.96 ms (baseline: 430.19 ms, +22.5%) ⚠️ sparkline.movingAvg.948423: 112.29 ms (baseline: 90.38 ms, +24.2%) ⚠️ sparkline.rdp.948423: 187.32 ms (baseline: 94.25 ms, +98.7%) windrose.aggregation.1000: 487.2 µs (baseline: 425.8 µs, +14.4%) ⚠️ windrose.draw.1000: 1.39 ms (baseline: 802.6 µs, +73.4%) ⚠️ windrose.aggregation.10000: 1.87 ms (baseline: 1.56 ms, +20.0%) ⚠️ windrose.draw.10000: 871.4 µs (baseline: 646.1 µs, +34.9%) ✓ windrose.aggregation.50000: 6.87 ms (baseline: 7.90 ms, -13.0%) ⚠️ windrose.draw.50000: 758.1 µs (baseline: 569.8 µs, +33.0%) ⚠️ windrose.aggregation.100000: 9.67 ms (baseline: 3.97 ms, +143.7%) windrose.draw.100000: 755.7 µs (baseline: 663.8 µs, +13.8%) ⚠️ windrose.aggregation.500000: 37.79 ms (baseline: 19.15 ms, +97.3%) ⚠️ windrose.draw.500000: 1.26 ms (baseline: 573.7 µs, +119.4%) ⚠️ windrose.aggregation.948423: 36.24 ms (baseline: 28.63 ms, +26.6%) windrose.draw.948423: 642.8 µs (baseline: 556.3 µs, +15.5%) ⚠️ scaling.none.1x: 12.11 ms (baseline: 6.51 ms, +86.0%) ⚠️ scaling.movingAvg.1x: 3.41 ms (baseline: 669.5 µs, +408.6%) ⚠️ scaling.rdp.1x: 2.83 ms (baseline: 597.6 µs, +373.6%) ⚠️ scaling.none.2x: 17.19 ms (baseline: 11.09 ms, +55.0%) scaling.movingAvg.2x: 1.75 ms (baseline: 1.52 ms, +15.4%) ⚠️ scaling.rdp.2x: 1.98 ms (baseline: 1.01 ms, +96.3%) ⚠️ scaling.none.5x: 38.88 ms (baseline: 28.93 ms, +34.4%) ⚠️ scaling.movingAvg.5x: 4.95 ms (baseline: 4.04 ms, +22.5%) ⚠️ scaling.rdp.5x: 4.83 ms (baseline: 2.39 ms, +101.6%) scaling.none.10x: 49.97 ms (baseline: 45.40 ms, +10.0%) ⚠️ scaling.movingAvg.10x: 9.32 ms (baseline: 5.93 ms, +57.3%) ⚠️ scaling.rdp.10x: 8.18 ms (baseline: 3.43 ms, +138.6%) ⚠️ scaling.none.20x: 128.69 ms (baseline: 95.03 ms, +35.4%) scaling.movingAvg.20x: 11.63 ms (baseline: 10.18 ms, +14.3%) ⚠️ scaling.rdp.20x: 9.55 ms (baseline: 7.50 ms, +27.2%) scaling.none.50x: 220.65 ms (baseline: 224.81 ms, -1.9%) scaling.movingAvg.50x: 30.39 ms (baseline: 31.53 ms, -3.6%) ⚠️ scaling.rdp.50x: 56.17 ms (baseline: 42.34 ms, +32.7%) multiseries.movingAvg.1series: 4.57 ms (baseline: 4.66 ms, -1.9%) multiseries.rdp.1series: 3.07 ms (baseline: 3.28 ms, -6.4%) ⚠️ multiseries.movingAvg.2series: 11.19 ms (baseline: 8.71 ms, +28.5%) ⚠️ multiseries.rdp.2series: 11.55 ms (baseline: 8.66 ms, +33.3%) ⚠️ multiseries.movingAvg.3series: 18.45 ms (baseline: 13.29 ms, +38.8%) ⚠️ multiseries.rdp.3series: 17.77 ms (baseline: 14.12 ms, +25.8%) multiseries.movingAvg.5series: 26.25 ms (baseline: 24.69 ms, +6.3%) multiseries.rdp.5series: 24.77 ms (baseline: 23.95 ms, +3.4%) 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: 40.66 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: 0.007 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: 0.014 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: 14.19 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: 01:05 min [INFO] Finished at: 2026-03-23T06:27:22Z [INFO] ------------------------------------------------------------------------