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: 1.056 s [INFO] Finished at: 2026-03-26T06:25:44Z [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 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 0.951 s [INFO] Finished at: 2026-03-26T06:25:46Z [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: 2026-03-26T04:56:48.472652170Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:26:06.272 [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 | 1.19 ms | 3.00 ms | 1.10 ms 1,000 | 2.71 ms | 1.52 ms | 1.69 ms 10,000 | 9.75 ms | 2.84 ms | 4.87 ms 49,871 | 22.34 ms | 3.09 ms | 33.15 ms 97,643 | 47.02 ms | 4.72 ms | 4.09 ms 495,995 | 249.25 ms | 27.65 ms | 19.93 ms 944,282 | 456.76 ms | 86.99 ms | 41.46 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 | 402.2 µs | 1.23 ms | 1.63 ms 10,000 | 1.56 ms | 1.14 ms | 2.70 ms 50,000 | 6.86 ms | 885.6 µs | 7.75 ms 100,000 | 3.85 ms | 744.2 µs | 4.60 ms 500,000 | 18.29 ms | 586.9 µs | 18.87 ms 948,423 | 41.24 ms | 755.4 µs | 41.99 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 | 4.68 ms ( 0.5x) | 621.8 µs ( 1.0x) | 600.6 µs ( 1.1x) 2x | 19,996 | 9.14 ms ( 1.0x) | 1.56 ms ( 2.4x) | 904.2 µs ( 1.6x) 5x | 49,871 | 24.52 ms ( 2.7x) | 3.09 ms ( 4.8x) | 1.82 ms ( 3.3x) 10x | 97,643 | 40.05 ms ( 4.5x) | 5.21 ms ( 8.1x) | 3.67 ms ( 6.7x) 20x | 196,569 | 87.41 ms ( 9.8x) | 9.58 ms (14.9x) | 7.07 ms (12.9x) 50x | 495,995 | 252.60 ms (28.2x) | 26.63 ms (41.3x) | 81.45 ms (148.5x) 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 | 157.5 µs | 5 | 1.72 ms 10,000 | 5 | 669.1 µs | 5 | 1.12 ms 97,643 | 5 | 6.50 ms | 5 | 5.87 ms 495,995 | 5 | 31.85 ms | 5 | 17.96 ms 944,282 | 5 | 85.26 ms | 5 | 58.02 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 | 4.79 ms | 3.09 ms 2 | 8.64 ms | 9.03 ms 3 | 14.00 ms | 16.81 ms 5 | 25.14 ms | 24.25 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.19 ms (baseline: 1.39 ms, -14.4%) sparkline.movingAvg.100: 3.00 ms (baseline: 2.89 ms, +3.8%) ✓ sparkline.rdp.100: 1.10 ms (baseline: 1.49 ms, -26.4%) sparkline.none.1000: 2.71 ms (baseline: 2.48 ms, +9.0%) sparkline.movingAvg.1000: 1.52 ms (baseline: 1.33 ms, +14.7%) ⚠️ sparkline.rdp.1000: 1.69 ms (baseline: 1.38 ms, +22.2%) ✓ sparkline.none.10000: 9.75 ms (baseline: 11.49 ms, -15.1%) ✓ sparkline.movingAvg.10000: 2.84 ms (baseline: 3.59 ms, -20.9%) sparkline.rdp.10000: 4.87 ms (baseline: 4.94 ms, -1.4%) ✓ sparkline.none.50000: 22.34 ms (baseline: 25.78 ms, -13.4%) sparkline.movingAvg.50000: 3.09 ms (baseline: 2.92 ms, +5.8%) sparkline.rdp.50000: 33.15 ms (baseline: 33.88 ms, -2.1%) sparkline.none.100000: 47.02 ms (baseline: 45.50 ms, +3.4%) ✓ sparkline.movingAvg.100000: 4.72 ms (baseline: 5.42 ms, -13.1%) ✓ sparkline.rdp.100000: 4.09 ms (baseline: 4.79 ms, -14.6%) sparkline.none.500000: 249.25 ms (baseline: 236.27 ms, +5.5%) sparkline.movingAvg.500000: 27.65 ms (baseline: 28.09 ms, -1.5%) sparkline.rdp.500000: 19.93 ms (baseline: 19.47 ms, +2.3%) sparkline.none.948423: 456.76 ms (baseline: 414.44 ms, +10.2%) sparkline.movingAvg.948423: 86.99 ms (baseline: 86.08 ms, +1.1%) ✓ sparkline.rdp.948423: 41.46 ms (baseline: 137.51 ms, -69.8%) ✓ windrose.aggregation.1000: 402.2 µs (baseline: 487.4 µs, -17.5%) ⚠️ windrose.draw.1000: 1.23 ms (baseline: 825.6 µs, +48.4%) ✓ windrose.aggregation.10000: 1.56 ms (baseline: 1.78 ms, -12.4%) ⚠️ windrose.draw.10000: 1.14 ms (baseline: 637.1 µs, +79.0%) windrose.aggregation.50000: 6.86 ms (baseline: 7.22 ms, -4.9%) ⚠️ windrose.draw.50000: 885.6 µs (baseline: 605.9 µs, +46.2%) windrose.aggregation.100000: 3.85 ms (baseline: 4.13 ms, -6.7%) ⚠️ windrose.draw.100000: 744.2 µs (baseline: 551.5 µs, +34.9%) ✓ windrose.aggregation.500000: 18.29 ms (baseline: 21.43 ms, -14.7%) windrose.draw.500000: 586.9 µs (baseline: 540.3 µs, +8.6%) windrose.aggregation.948423: 41.24 ms (baseline: 35.25 ms, +17.0%) ⚠️ windrose.draw.948423: 755.4 µs (baseline: 552.6 µs, +36.7%) scaling.none.1x: 4.68 ms (baseline: 4.34 ms, +7.8%) scaling.movingAvg.1x: 621.8 µs (baseline: 651.8 µs, -4.6%) scaling.rdp.1x: 600.6 µs (baseline: 572.7 µs, +4.9%) scaling.none.2x: 9.14 ms (baseline: 8.14 ms, +12.3%) scaling.movingAvg.2x: 1.56 ms (baseline: 1.60 ms, -2.3%) ✓ scaling.rdp.2x: 904.2 µs (baseline: 1.07 ms, -15.3%) ⚠️ scaling.none.5x: 24.52 ms (baseline: 20.29 ms, +20.9%) scaling.movingAvg.5x: 3.09 ms (baseline: 3.02 ms, +2.1%) scaling.rdp.5x: 1.82 ms (baseline: 1.91 ms, -4.8%) ✓ scaling.none.10x: 40.05 ms (baseline: 44.87 ms, -10.7%) scaling.movingAvg.10x: 5.21 ms (baseline: 5.07 ms, +2.8%) scaling.rdp.10x: 3.67 ms (baseline: 3.09 ms, +18.9%) scaling.none.20x: 87.41 ms (baseline: 81.62 ms, +7.1%) scaling.movingAvg.20x: 9.58 ms (baseline: 10.47 ms, -8.5%) ✓ scaling.rdp.20x: 7.07 ms (baseline: 8.16 ms, -13.3%) scaling.none.50x: 252.60 ms (baseline: 215.82 ms, +17.0%) ✓ scaling.movingAvg.50x: 26.63 ms (baseline: 29.97 ms, -11.1%) ⚠️ scaling.rdp.50x: 81.45 ms (baseline: 18.24 ms, +346.6%) multiseries.movingAvg.1series: 4.79 ms (baseline: 4.87 ms, -1.6%) multiseries.rdp.1series: 3.09 ms (baseline: 3.21 ms, -3.8%) ✓ multiseries.movingAvg.2series: 8.64 ms (baseline: 11.99 ms, -27.9%) ✓ multiseries.rdp.2series: 9.03 ms (baseline: 19.85 ms, -54.5%) multiseries.movingAvg.3series: 14.00 ms (baseline: 15.45 ms, -9.4%) multiseries.rdp.3series: 16.81 ms (baseline: 17.36 ms, -3.2%) ✓ multiseries.movingAvg.5series: 25.14 ms (baseline: 28.42 ms, -11.5%) multiseries.rdp.5series: 24.25 ms (baseline: 23.22 ms, +4.4%) 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: 31.03 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: 0.009 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: 0.019 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: 12.84 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: 49.549 s [INFO] Finished at: 2026-03-26T06:26:37Z [INFO] ------------------------------------------------------------------------