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: 3.162 s [INFO] Finished at: 2026-03-10T06:16:04Z [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] --- 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: 2.662 s [INFO] Finished at: 2026-03-10T06:16:10Z [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: 2026-03-10T04:45:25.334333009Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:16:42.556 [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 | 4.58 ms | 5.10 ms | 2.09 ms 1,000 | 11.52 ms | 1.75 ms | 4.07 ms 10,000 | 23.53 ms | 13.80 ms | 26.94 ms 49,871 | 40.25 ms | 3.60 ms | 26.96 ms 97,643 | 74.50 ms | 18.56 ms | 15.17 ms 495,995 | 405.31 ms | 50.61 ms | 29.18 ms 944,282 | 663.89 ms | 166.77 ms | 106.23 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 | 494.0 µs | 1.49 ms | 1.98 ms 10,000 | 2.87 ms | 2.37 ms | 5.24 ms 50,000 | 35.02 ms | 1.41 ms | 36.43 ms 100,000 | 23.61 ms | 2.92 ms | 26.53 ms 500,000 | 23.31 ms | 711.0 µs | 24.02 ms 948,423 | 101.04 ms | 2.22 ms | 103.26 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 | 7.85 ms ( 0.7x) | 2.24 ms ( 0.9x) | 757.4 µs ( 0.6x) 2x | 19,996 | 29.60 ms ( 2.6x) | 1.26 ms ( 0.5x) | 1.14 ms ( 0.9x) 5x | 49,871 | 44.80 ms ( 3.9x) | 5.24 ms ( 2.0x) | 2.02 ms ( 1.6x) 10x | 97,643 | 57.67 ms ( 5.1x) | 14.87 ms ( 5.7x) | 6.48 ms ( 5.2x) 20x | 196,569 | 115.45 ms (10.1x) | 10.87 ms ( 4.1x) | 10.28 ms ( 8.3x) 50x | 495,995 | 360.38 ms (31.7x) | 82.05 ms (31.3x) | 20.61 ms (16.7x) 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 | 136.6 µs | 5 | 210.0 µs 10,000 | 5 | 653.8 µs | 5 | 474.4 µs 97,643 | 5 | 4.92 ms | 5 | 3.47 ms 495,995 | 5 | 53.39 ms | 5 | 82.21 ms 944,282 | 5 | 116.45 ms | 5 | 110.57 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 | 4.94 ms | 16.98 ms 2 | 22.33 ms | 25.12 ms 3 | 16.84 ms | 26.77 ms 5 | 68.68 ms | 30.15 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 4.58 ms (baseline: 7.35 ms, -37.6%) sparkline.movingAvg.100: 5.10 ms (baseline: 4.68 ms, +9.0%) ✓ sparkline.rdp.100: 2.09 ms (baseline: 3.64 ms, -42.7%) ⚠️ sparkline.none.1000: 11.52 ms (baseline: 6.03 ms, +91.1%) ✓ sparkline.movingAvg.1000: 1.75 ms (baseline: 3.46 ms, -49.3%) ⚠️ sparkline.rdp.1000: 4.07 ms (baseline: 3.05 ms, +33.4%) ✓ sparkline.none.10000: 23.53 ms (baseline: 26.92 ms, -12.6%) ⚠️ sparkline.movingAvg.10000: 13.80 ms (baseline: 10.98 ms, +25.7%) ⚠️ sparkline.rdp.10000: 26.94 ms (baseline: 11.88 ms, +126.7%) ✓ sparkline.none.50000: 40.25 ms (baseline: 44.88 ms, -10.3%) ✓ sparkline.movingAvg.50000: 3.60 ms (baseline: 6.60 ms, -45.5%) ✓ sparkline.rdp.50000: 26.96 ms (baseline: 109.66 ms, -75.4%) sparkline.none.100000: 74.50 ms (baseline: 70.13 ms, +6.2%) ⚠️ sparkline.movingAvg.100000: 18.56 ms (baseline: 14.08 ms, +31.8%) ⚠️ sparkline.rdp.100000: 15.17 ms (baseline: 8.46 ms, +79.3%) sparkline.none.500000: 405.31 ms (baseline: 399.75 ms, +1.4%) ✓ sparkline.movingAvg.500000: 50.61 ms (baseline: 82.08 ms, -38.3%) ✓ sparkline.rdp.500000: 29.18 ms (baseline: 36.38 ms, -19.8%) sparkline.none.948423: 663.89 ms (baseline: 619.99 ms, +7.1%) sparkline.movingAvg.948423: 166.77 ms (baseline: 151.35 ms, +10.2%) ⚠️ sparkline.rdp.948423: 106.23 ms (baseline: 83.45 ms, +27.3%) ✓ windrose.aggregation.1000: 494.0 µs (baseline: 628.5 µs, -21.4%) ✓ windrose.draw.1000: 1.49 ms (baseline: 2.35 ms, -36.5%) ✓ windrose.aggregation.10000: 2.87 ms (baseline: 8.43 ms, -66.0%) windrose.draw.10000: 2.37 ms (baseline: 2.26 ms, +5.0%) ⚠️ windrose.aggregation.50000: 35.02 ms (baseline: 15.63 ms, +124.0%) ⚠️ windrose.draw.50000: 1.41 ms (baseline: 776.7 µs, +80.9%) ⚠️ windrose.aggregation.100000: 23.61 ms (baseline: 10.24 ms, +130.5%) windrose.draw.100000: 2.92 ms (baseline: 2.70 ms, +8.2%) ✓ windrose.aggregation.500000: 23.31 ms (baseline: 47.19 ms, -50.6%) ✓ windrose.draw.500000: 711.0 µs (baseline: 2.08 ms, -65.8%) windrose.aggregation.948423: 101.04 ms (baseline: 105.32 ms, -4.1%) ⚠️ windrose.draw.948423: 2.22 ms (baseline: 1.70 ms, +30.4%) ✓ scaling.none.1x: 7.85 ms (baseline: 9.45 ms, -16.9%) ⚠️ scaling.movingAvg.1x: 2.24 ms (baseline: 740.1 µs, +202.9%) ⚠️ scaling.rdp.1x: 757.4 µs (baseline: 612.1 µs, +23.7%) ⚠️ scaling.none.2x: 29.60 ms (baseline: 11.87 ms, +149.3%) ✓ scaling.movingAvg.2x: 1.26 ms (baseline: 2.50 ms, -49.8%) ✓ scaling.rdp.2x: 1.14 ms (baseline: 1.72 ms, -33.7%) ⚠️ scaling.none.5x: 44.80 ms (baseline: 26.42 ms, +69.5%) scaling.movingAvg.5x: 5.24 ms (baseline: 4.52 ms, +15.8%) ✓ scaling.rdp.5x: 2.02 ms (baseline: 4.29 ms, -52.9%) scaling.none.10x: 57.67 ms (baseline: 59.97 ms, -3.8%) ⚠️ scaling.movingAvg.10x: 14.87 ms (baseline: 6.61 ms, +125.0%) ⚠️ scaling.rdp.10x: 6.48 ms (baseline: 4.03 ms, +61.0%) scaling.none.20x: 115.45 ms (baseline: 124.81 ms, -7.5%) scaling.movingAvg.20x: 10.87 ms (baseline: 9.49 ms, +14.6%) scaling.rdp.20x: 10.28 ms (baseline: 10.10 ms, +1.8%) scaling.none.50x: 360.38 ms (baseline: 303.43 ms, +18.8%) ⚠️ scaling.movingAvg.50x: 82.05 ms (baseline: 57.64 ms, +42.3%) ✓ scaling.rdp.50x: 20.61 ms (baseline: 45.08 ms, -54.3%) ✓ multiseries.movingAvg.1series: 4.94 ms (baseline: 6.40 ms, -22.8%) ⚠️ multiseries.rdp.1series: 16.98 ms (baseline: 3.55 ms, +378.0%) multiseries.movingAvg.2series: 22.33 ms (baseline: 20.97 ms, +6.5%) ⚠️ multiseries.rdp.2series: 25.12 ms (baseline: 15.99 ms, +57.1%) multiseries.movingAvg.3series: 16.84 ms (baseline: 16.29 ms, +3.4%) ⚠️ multiseries.rdp.3series: 26.77 ms (baseline: 17.40 ms, +53.8%) ⚠️ multiseries.movingAvg.5series: 68.68 ms (baseline: 39.21 ms, +75.2%) ✓ multiseries.rdp.5series: 30.15 ms (baseline: 33.86 ms, -11.0%) 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: 47.52 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: 0.019 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: 0.027 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: 21.62 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: 01:21 min [INFO] Finished at: 2026-03-10T06:17:35Z [INFO] ------------------------------------------------------------------------