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: 2.637 s [INFO] Finished at: 2026-03-15T07:27:16Z [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: 2.427 s [INFO] Finished at: 2026-03-15T07:27:21Z [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: 2026-03-15T06:22:55.484151319Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:27:51.294 [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 | 3.30 ms | 4.50 ms | 3.59 ms 1,000 | 7.30 ms | 3.87 ms | 3.47 ms 10,000 | 19.12 ms | 4.78 ms | 8.92 ms 49,871 | 40.49 ms | 6.71 ms | 80.12 ms 97,643 | 64.66 ms | 7.43 ms | 7.43 ms 495,995 | 303.36 ms | 39.24 ms | 25.03 ms 944,282 | 579.37 ms | 109.31 ms | 129.94 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 | 443.6 µs | 969.5 µs | 1.41 ms 10,000 | 2.92 ms | 1.09 ms | 4.01 ms 50,000 | 9.85 ms | 1.73 ms | 11.58 ms 100,000 | 7.58 ms | 781.7 µs | 8.36 ms 500,000 | 31.70 ms | 892.5 µs | 32.59 ms 948,423 | 58.78 ms | 1.33 ms | 60.11 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 | 10.21 ms ( 1.0x) | 2.66 ms ( 1.3x) | 835.2 µs ( 0.0x) 2x | 19,996 | 16.18 ms ( 1.6x) | 1.18 ms ( 0.6x) | 1.26 ms ( 0.0x) 5x | 49,871 | 24.99 ms ( 2.5x) | 2.97 ms ( 1.5x) | 7.35 ms ( 0.1x) 10x | 97,643 | 44.13 ms ( 4.3x) | 5.02 ms ( 2.5x) | 3.28 ms ( 0.1x) 20x | 196,569 | 101.85 ms (10.0x) | 14.00 ms ( 6.9x) | 7.68 ms ( 0.2x) 50x | 495,995 | 251.20 ms (24.6x) | 32.28 ms (15.9x) | 21.81 ms ( 0.4x) 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 | 156.7 µs | 5 | 224.5 µs 10,000 | 5 | 536.3 µs | 5 | 474.4 µs 97,643 | 5 | 4.90 ms | 5 | 3.33 ms 495,995 | 5 | 42.49 ms | 5 | 19.00 ms 944,282 | 5 | 100.91 ms | 5 | 55.48 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 | 4.49 ms | 3.35 ms 2 | 10.77 ms | 11.26 ms 3 | 13.06 ms | 15.20 ms 5 | 23.12 ms | 26.29 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.30 ms (baseline: 2.87 ms, +15.1%) ⚠️ sparkline.movingAvg.100: 4.50 ms (baseline: 1.66 ms, +170.8%) ⚠️ sparkline.rdp.100: 3.59 ms (baseline: 1.17 ms, +206.7%) ⚠️ sparkline.none.1000: 7.30 ms (baseline: 3.76 ms, +94.2%) sparkline.movingAvg.1000: 3.87 ms (baseline: 3.85 ms, +0.5%) sparkline.rdp.1000: 3.47 ms (baseline: 3.41 ms, +1.8%) ✓ sparkline.none.10000: 19.12 ms (baseline: 23.06 ms, -17.1%) ✓ sparkline.movingAvg.10000: 4.78 ms (baseline: 9.01 ms, -46.9%) ✓ sparkline.rdp.10000: 8.92 ms (baseline: 10.39 ms, -14.1%) ✓ sparkline.none.50000: 40.49 ms (baseline: 67.91 ms, -40.4%) ✓ sparkline.movingAvg.50000: 6.71 ms (baseline: 10.10 ms, -33.5%) ⚠️ sparkline.rdp.50000: 80.12 ms (baseline: 64.81 ms, +23.6%) ✓ sparkline.none.100000: 64.66 ms (baseline: 84.84 ms, -23.8%) ✓ sparkline.movingAvg.100000: 7.43 ms (baseline: 9.24 ms, -19.6%) ⚠️ sparkline.rdp.100000: 7.43 ms (baseline: 4.50 ms, +65.3%) ✓ sparkline.none.500000: 303.36 ms (baseline: 406.81 ms, -25.4%) ✓ sparkline.movingAvg.500000: 39.24 ms (baseline: 55.71 ms, -29.6%) ✓ sparkline.rdp.500000: 25.03 ms (baseline: 29.71 ms, -15.8%) ✓ sparkline.none.948423: 579.37 ms (baseline: 720.40 ms, -19.6%) ✓ sparkline.movingAvg.948423: 109.31 ms (baseline: 147.69 ms, -26.0%) sparkline.rdp.948423: 129.94 ms (baseline: 114.90 ms, +13.1%) ✓ windrose.aggregation.1000: 443.6 µs (baseline: 495.7 µs, -10.5%) windrose.draw.1000: 969.5 µs (baseline: 863.4 µs, +12.3%) ⚠️ windrose.aggregation.10000: 2.92 ms (baseline: 1.95 ms, +49.8%) ✓ windrose.draw.10000: 1.09 ms (baseline: 1.92 ms, -43.4%) ✓ windrose.aggregation.50000: 9.85 ms (baseline: 28.94 ms, -66.0%) ⚠️ windrose.draw.50000: 1.73 ms (baseline: 612.9 µs, +182.3%) ✓ windrose.aggregation.100000: 7.58 ms (baseline: 11.29 ms, -32.9%) ✓ windrose.draw.100000: 781.7 µs (baseline: 1.70 ms, -54.1%) windrose.aggregation.500000: 31.70 ms (baseline: 34.93 ms, -9.2%) ✓ windrose.draw.500000: 892.5 µs (baseline: 1.08 ms, -17.0%) windrose.aggregation.948423: 58.78 ms (baseline: 53.98 ms, +8.9%) ✓ windrose.draw.948423: 1.33 ms (baseline: 13.70 ms, -90.3%) ⚠️ scaling.none.1x: 10.21 ms (baseline: 5.55 ms, +84.1%) ⚠️ scaling.movingAvg.1x: 2.66 ms (baseline: 1.73 ms, +54.0%) ⚠️ scaling.rdp.1x: 835.2 µs (baseline: 503.7 µs, +65.8%) scaling.none.2x: 16.18 ms (baseline: 14.25 ms, +13.6%) ✓ scaling.movingAvg.2x: 1.18 ms (baseline: 2.67 ms, -55.9%) ✓ scaling.rdp.2x: 1.26 ms (baseline: 1.58 ms, -20.1%) ✓ scaling.none.5x: 24.99 ms (baseline: 57.88 ms, -56.8%) ✓ scaling.movingAvg.5x: 2.97 ms (baseline: 12.96 ms, -77.1%) ⚠️ scaling.rdp.5x: 7.35 ms (baseline: 5.09 ms, +44.4%) ✓ scaling.none.10x: 44.13 ms (baseline: 54.40 ms, -18.9%) ✓ scaling.movingAvg.10x: 5.02 ms (baseline: 7.81 ms, -35.7%) ✓ scaling.rdp.10x: 3.28 ms (baseline: 8.36 ms, -60.8%) ✓ scaling.none.20x: 101.85 ms (baseline: 142.29 ms, -28.4%) ✓ scaling.movingAvg.20x: 14.00 ms (baseline: 25.11 ms, -44.2%) ✓ scaling.rdp.20x: 7.68 ms (baseline: 9.84 ms, -22.0%) ✓ scaling.none.50x: 251.20 ms (baseline: 284.23 ms, -11.6%) ✓ scaling.movingAvg.50x: 32.28 ms (baseline: 48.54 ms, -33.5%) ✓ scaling.rdp.50x: 21.81 ms (baseline: 29.10 ms, -25.1%) ✓ multiseries.movingAvg.1series: 4.49 ms (baseline: 12.52 ms, -64.2%) ✓ multiseries.rdp.1series: 3.35 ms (baseline: 4.60 ms, -27.1%) ✓ multiseries.movingAvg.2series: 10.77 ms (baseline: 20.35 ms, -47.1%) ✓ multiseries.rdp.2series: 11.26 ms (baseline: 19.13 ms, -41.1%) ✓ multiseries.movingAvg.3series: 13.06 ms (baseline: 30.01 ms, -56.5%) multiseries.rdp.3series: 15.20 ms (baseline: 14.66 ms, +3.7%) ✓ multiseries.movingAvg.5series: 23.12 ms (baseline: 31.73 ms, -27.2%) ✓ multiseries.rdp.5series: 26.29 ms (baseline: 33.75 ms, -22.1%) 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: 39.97 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: 0.011 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: 0.009 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: 15.48 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: 01:06 min [INFO] Finished at: 2026-03-15T07:28:30Z [INFO] ------------------------------------------------------------------------