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: 3.044 s [INFO] Finished at: 2026-03-14T07:23:22Z [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-beta3 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.584 s [INFO] Finished at: 2026-03-14T07:23:28Z [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: 2026-03-14T06:18:13.021537010Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:23:58.025 [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 | 4.60 ms | 2.73 ms | 3.14 ms 1,000 | 9.65 ms | 5.71 ms | 3.96 ms 10,000 | 16.19 ms | 5.36 ms | 25.80 ms 49,871 | 42.65 ms | 3.00 ms | 61.45 ms 97,643 | 58.35 ms | 11.90 ms | 12.08 ms 495,995 | 373.02 ms | 42.55 ms | 23.18 ms 944,282 | 598.77 ms | 123.96 ms | 151.85 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 | 1.33 ms | 2.14 ms | 3.46 ms 10,000 | 4.88 ms | 1.49 ms | 6.37 ms 50,000 | 9.16 ms | 1.83 ms | 10.99 ms 100,000 | 8.83 ms | 1.20 ms | 10.03 ms 500,000 | 33.37 ms | 785.1 µs | 34.16 ms 948,423 | 77.29 ms | 1.43 ms | 78.72 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 | 14.28 ms ( 1.4x) | 1.33 ms ( 0.4x) | 2.92 ms ( 1.9x) 2x | 19,996 | 20.88 ms ( 2.0x) | 1.99 ms ( 0.6x) | 2.64 ms ( 1.7x) 5x | 49,871 | 31.15 ms ( 3.0x) | 9.71 ms ( 2.7x) | 3.13 ms ( 2.0x) 10x | 97,643 | 61.69 ms ( 5.9x) | 8.97 ms ( 2.5x) | 3.43 ms ( 2.2x) 20x | 196,569 | 110.24 ms (10.5x) | 14.01 ms ( 3.9x) | 15.51 ms (10.0x) 50x | 495,995 | 266.69 ms (25.4x) | 40.72 ms (11.3x) | 25.04 ms (16.1x) 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 | 451.6 µs | 5 | 222.8 µs 10,000 | 5 | 555.9 µs | 5 | 799.1 µs 97,643 | 5 | 6.01 ms | 5 | 3.79 ms 495,995 | 5 | 47.97 ms | 5 | 42.07 ms 944,282 | 5 | 102.35 ms | 5 | 45.91 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 | 5.34 ms | 3.20 ms 2 | 12.13 ms | 12.78 ms 3 | 16.72 ms | 16.46 ms 5 | 27.38 ms | 29.72 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.60 ms (baseline: 1.88 ms, +145.0%) ⚠️ sparkline.movingAvg.100: 2.73 ms (baseline: 1.51 ms, +80.6%) ⚠️ sparkline.rdp.100: 3.14 ms (baseline: 1.37 ms, +130.0%) ⚠️ sparkline.none.1000: 9.65 ms (baseline: 4.31 ms, +123.8%) ⚠️ sparkline.movingAvg.1000: 5.71 ms (baseline: 2.44 ms, +134.6%) ⚠️ sparkline.rdp.1000: 3.96 ms (baseline: 2.70 ms, +46.8%) sparkline.none.10000: 16.19 ms (baseline: 16.82 ms, -3.7%) ⚠️ sparkline.movingAvg.10000: 5.36 ms (baseline: 3.00 ms, +78.6%) ⚠️ sparkline.rdp.10000: 25.80 ms (baseline: 5.20 ms, +396.0%) sparkline.none.50000: 42.65 ms (baseline: 36.02 ms, +18.4%) ✓ sparkline.movingAvg.50000: 3.00 ms (baseline: 4.65 ms, -35.4%) ⚠️ sparkline.rdp.50000: 61.45 ms (baseline: 21.76 ms, +182.3%) ✓ sparkline.none.100000: 58.35 ms (baseline: 82.67 ms, -29.4%) ⚠️ sparkline.movingAvg.100000: 11.90 ms (baseline: 7.86 ms, +51.5%) ✓ sparkline.rdp.100000: 12.08 ms (baseline: 44.32 ms, -72.7%) sparkline.none.500000: 373.02 ms (baseline: 324.68 ms, +14.9%) ✓ sparkline.movingAvg.500000: 42.55 ms (baseline: 50.62 ms, -15.9%) ✓ sparkline.rdp.500000: 23.18 ms (baseline: 101.20 ms, -77.1%) sparkline.none.948423: 598.77 ms (baseline: 551.86 ms, +8.5%) ⚠️ sparkline.movingAvg.948423: 123.96 ms (baseline: 97.21 ms, +27.5%) ⚠️ sparkline.rdp.948423: 151.85 ms (baseline: 112.41 ms, +35.1%) ⚠️ windrose.aggregation.1000: 1.33 ms (baseline: 895.9 µs, +48.2%) ⚠️ windrose.draw.1000: 2.14 ms (baseline: 1.21 ms, +75.9%) ⚠️ windrose.aggregation.10000: 4.88 ms (baseline: 3.16 ms, +54.4%) ✓ windrose.draw.10000: 1.49 ms (baseline: 2.67 ms, -44.4%) ✓ windrose.aggregation.50000: 9.16 ms (baseline: 10.21 ms, -10.3%) ✓ windrose.draw.50000: 1.83 ms (baseline: 2.14 ms, -14.7%) ⚠️ windrose.aggregation.100000: 8.83 ms (baseline: 4.55 ms, +94.0%) ⚠️ windrose.draw.100000: 1.20 ms (baseline: 826.3 µs, +44.7%) ⚠️ windrose.aggregation.500000: 33.37 ms (baseline: 26.86 ms, +24.3%) ✓ windrose.draw.500000: 785.1 µs (baseline: 1.03 ms, -24.1%) ⚠️ windrose.aggregation.948423: 77.29 ms (baseline: 37.83 ms, +104.3%) ⚠️ windrose.draw.948423: 1.43 ms (baseline: 701.7 µs, +103.6%) ⚠️ scaling.none.1x: 14.28 ms (baseline: 5.77 ms, +147.5%) scaling.movingAvg.1x: 1.33 ms (baseline: 1.35 ms, -1.6%) ⚠️ scaling.rdp.1x: 2.92 ms (baseline: 2.01 ms, +45.5%) ⚠️ scaling.none.2x: 20.88 ms (baseline: 11.43 ms, +82.7%) scaling.movingAvg.2x: 1.99 ms (baseline: 1.70 ms, +16.8%) ⚠️ scaling.rdp.2x: 2.64 ms (baseline: 1.11 ms, +137.1%) scaling.none.5x: 31.15 ms (baseline: 28.45 ms, +9.5%) ⚠️ scaling.movingAvg.5x: 9.71 ms (baseline: 5.61 ms, +73.2%) scaling.rdp.5x: 3.13 ms (baseline: 2.74 ms, +13.9%) ⚠️ scaling.none.10x: 61.69 ms (baseline: 41.28 ms, +49.4%) ⚠️ scaling.movingAvg.10x: 8.97 ms (baseline: 4.23 ms, +111.9%) ✓ scaling.rdp.10x: 3.43 ms (baseline: 4.18 ms, -18.0%) ✓ scaling.none.20x: 110.24 ms (baseline: 129.81 ms, -15.1%) ⚠️ scaling.movingAvg.20x: 14.01 ms (baseline: 11.34 ms, +23.6%) ⚠️ scaling.rdp.20x: 15.51 ms (baseline: 10.92 ms, +42.1%) scaling.none.50x: 266.69 ms (baseline: 254.76 ms, +4.7%) scaling.movingAvg.50x: 40.72 ms (baseline: 38.67 ms, +5.3%) ✓ scaling.rdp.50x: 25.04 ms (baseline: 33.46 ms, -25.2%) ✓ multiseries.movingAvg.1series: 5.34 ms (baseline: 6.66 ms, -19.7%) ✓ multiseries.rdp.1series: 3.20 ms (baseline: 6.96 ms, -54.0%) ✓ multiseries.movingAvg.2series: 12.13 ms (baseline: 17.16 ms, -29.3%) multiseries.rdp.2series: 12.78 ms (baseline: 12.28 ms, +4.0%) multiseries.movingAvg.3series: 16.72 ms (baseline: 14.14 ms, +18.2%) ✓ multiseries.rdp.3series: 16.46 ms (baseline: 18.69 ms, -11.9%) multiseries.movingAvg.5series: 27.38 ms (baseline: 24.86 ms, +10.1%) ✓ multiseries.rdp.5series: 29.72 ms (baseline: 34.36 ms, -13.5%) 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: 41.88 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: 0.013 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: 0.032 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: 16.36 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: 2026-03-14T07:24:40Z [INFO] ------------------------------------------------------------------------