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: 2.868 s [INFO] Finished at: 2026-03-19T06:22:28Z [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] --- 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: 2.174 s [INFO] Finished at: 2026-03-19T06:22:33Z [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: 2026-03-19T04:51:42.543084354Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:23:06.842 [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 | 3.65 ms | 3.42 ms | 9.14 ms 1,000 | 5.73 ms | 5.65 ms | 8.47 ms 10,000 | 15.60 ms | 12.72 ms | 7.96 ms 49,871 | 69.34 ms | 9.08 ms | 32.86 ms 97,643 | 114.02 ms | 12.62 ms | 7.52 ms 495,995 | 407.13 ms | 46.05 ms | 30.46 ms 944,282 | 667.73 ms | 132.19 ms | 243.07 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 | 405.0 µs | 1.69 ms | 2.09 ms 10,000 | 1.70 ms | 795.6 µs | 2.49 ms 50,000 | 9.50 ms | 1.18 ms | 10.67 ms 100,000 | 4.67 ms | 1.12 ms | 5.79 ms 500,000 | 26.02 ms | 762.0 µs | 26.78 ms 948,423 | 39.51 ms | 623.7 µs | 40.14 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 | 30.07 ms ( 1.6x) | 3.50 ms ( 4.1x) | 2.08 ms ( 2.9x) 2x | 19,996 | 16.30 ms ( 0.9x) | 3.60 ms ( 4.3x) | 1.56 ms ( 2.2x) 5x | 49,871 | 38.05 ms ( 2.0x) | 4.16 ms ( 4.9x) | 2.31 ms ( 3.2x) 10x | 97,643 | 69.21 ms ( 3.6x) | 9.11 ms (10.8x) | 7.49 ms (10.5x) 20x | 196,569 | 145.60 ms ( 7.7x) | 15.35 ms (18.2x) | 11.50 ms (16.1x) 50x | 495,995 | 302.97 ms (16.0x) | 47.71 ms (56.5x) | 34.07 ms (47.6x) 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 | 137.6 µs | 5 | 672.6 µs 10,000 | 5 | 617.4 µs | 5 | 429.2 µs 97,643 | 5 | 5.34 ms | 5 | 3.75 ms 495,995 | 5 | 51.37 ms | 5 | 34.99 ms 944,282 | 5 | 114.68 ms | 5 | 98.45 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 | 8.09 ms | 4.56 ms 2 | 12.44 ms | 12.35 ms 3 | 25.32 ms | 16.60 ms 5 | 24.03 ms | 46.24 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.65 ms (baseline: 2.52 ms, +45.2%) ⚠️ sparkline.movingAvg.100: 3.42 ms (baseline: 1.61 ms, +111.9%) ⚠️ sparkline.rdp.100: 9.14 ms (baseline: 1.42 ms, +542.2%) sparkline.none.1000: 5.73 ms (baseline: 5.92 ms, -3.3%) sparkline.movingAvg.1000: 5.65 ms (baseline: 5.49 ms, +3.0%) ⚠️ sparkline.rdp.1000: 8.47 ms (baseline: 3.65 ms, +131.9%) sparkline.none.10000: 15.60 ms (baseline: 15.88 ms, -1.8%) ⚠️ sparkline.movingAvg.10000: 12.72 ms (baseline: 3.96 ms, +221.1%) ✓ sparkline.rdp.10000: 7.96 ms (baseline: 32.62 ms, -75.6%) ⚠️ sparkline.none.50000: 69.34 ms (baseline: 49.61 ms, +39.8%) ⚠️ sparkline.movingAvg.50000: 9.08 ms (baseline: 7.32 ms, +24.1%) ✓ sparkline.rdp.50000: 32.86 ms (baseline: 96.28 ms, -65.9%) ⚠️ sparkline.none.100000: 114.02 ms (baseline: 68.35 ms, +66.8%) ✓ sparkline.movingAvg.100000: 12.62 ms (baseline: 14.70 ms, -14.2%) sparkline.rdp.100000: 7.52 ms (baseline: 7.52 ms, -0.1%) ⚠️ sparkline.none.500000: 407.13 ms (baseline: 326.37 ms, +24.7%) ✓ sparkline.movingAvg.500000: 46.05 ms (baseline: 66.07 ms, -30.3%) sparkline.rdp.500000: 30.46 ms (baseline: 26.58 ms, +14.6%) ⚠️ sparkline.none.948423: 667.73 ms (baseline: 544.52 ms, +22.6%) ⚠️ sparkline.movingAvg.948423: 132.19 ms (baseline: 103.28 ms, +28.0%) ⚠️ sparkline.rdp.948423: 243.07 ms (baseline: 175.46 ms, +38.5%) ✓ windrose.aggregation.1000: 405.0 µs (baseline: 3.10 ms, -86.9%) windrose.draw.1000: 1.69 ms (baseline: 1.70 ms, -0.7%) windrose.aggregation.10000: 1.70 ms (baseline: 1.44 ms, +17.4%) ✓ windrose.draw.10000: 795.6 µs (baseline: 1.08 ms, -26.5%) ✓ windrose.aggregation.50000: 9.50 ms (baseline: 17.59 ms, -46.0%) windrose.draw.50000: 1.18 ms (baseline: 1.28 ms, -8.1%) ✓ windrose.aggregation.100000: 4.67 ms (baseline: 7.54 ms, -38.1%) ✓ windrose.draw.100000: 1.12 ms (baseline: 3.23 ms, -65.3%) ✓ windrose.aggregation.500000: 26.02 ms (baseline: 42.80 ms, -39.2%) ✓ windrose.draw.500000: 762.0 µs (baseline: 1.49 ms, -48.7%) ✓ windrose.aggregation.948423: 39.51 ms (baseline: 79.37 ms, -50.2%) windrose.draw.948423: 623.7 µs (baseline: 553.8 µs, +12.6%) ⚠️ scaling.none.1x: 30.07 ms (baseline: 4.58 ms, +556.5%) ⚠️ scaling.movingAvg.1x: 3.50 ms (baseline: 689.0 µs, +408.0%) ⚠️ scaling.rdp.1x: 2.08 ms (baseline: 1.29 ms, +61.1%) ⚠️ scaling.none.2x: 16.30 ms (baseline: 9.78 ms, +66.6%) ⚠️ scaling.movingAvg.2x: 3.60 ms (baseline: 1.30 ms, +178.3%) ⚠️ scaling.rdp.2x: 1.56 ms (baseline: 885.8 µs, +75.8%) ⚠️ scaling.none.5x: 38.05 ms (baseline: 20.93 ms, +81.8%) ✓ scaling.movingAvg.5x: 4.16 ms (baseline: 6.85 ms, -39.3%) scaling.rdp.5x: 2.31 ms (baseline: 2.24 ms, +3.0%) scaling.none.10x: 69.21 ms (baseline: 63.09 ms, +9.7%) scaling.movingAvg.10x: 9.11 ms (baseline: 8.94 ms, +1.8%) ⚠️ scaling.rdp.10x: 7.49 ms (baseline: 3.96 ms, +89.0%) ⚠️ scaling.none.20x: 145.60 ms (baseline: 118.81 ms, +22.5%) scaling.movingAvg.20x: 15.35 ms (baseline: 15.63 ms, -1.8%) ✓ scaling.rdp.20x: 11.50 ms (baseline: 19.38 ms, -40.7%) scaling.none.50x: 302.97 ms (baseline: 332.82 ms, -9.0%) scaling.movingAvg.50x: 47.71 ms (baseline: 50.29 ms, -5.1%) ⚠️ scaling.rdp.50x: 34.07 ms (baseline: 21.52 ms, +58.4%) multiseries.movingAvg.1series: 8.09 ms (baseline: 6.97 ms, +16.1%) ✓ multiseries.rdp.1series: 4.56 ms (baseline: 5.34 ms, -14.5%) ✓ multiseries.movingAvg.2series: 12.44 ms (baseline: 15.15 ms, -17.9%) multiseries.rdp.2series: 12.35 ms (baseline: 12.95 ms, -4.6%) ⚠️ multiseries.movingAvg.3series: 25.32 ms (baseline: 15.92 ms, +59.1%) multiseries.rdp.3series: 16.60 ms (baseline: 16.84 ms, -1.4%) ✓ multiseries.movingAvg.5series: 24.03 ms (baseline: 27.27 ms, -11.9%) ⚠️ multiseries.rdp.5series: 46.24 ms (baseline: 26.32 ms, +75.7%) 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: 49.59 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: 0.032 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: 0.023 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: 22.26 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: 01:24 min [INFO] Finished at: 2026-03-19T06:24:00Z [INFO] ------------------------------------------------------------------------