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: 2.908 s [INFO] Finished at: 2026-03-10T07:25:39Z [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-beta2 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.455 s [INFO] Finished at: 2026-03-10T07:25:44Z [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] --- 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: 2026-03-10T06:17:12.277251465Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:26:15.162 [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 | 4.08 ms | 1.73 ms | 2.70 ms 1,000 | 6.70 ms | 2.76 ms | 2.69 ms 10,000 | 23.30 ms | 4.78 ms | 10.05 ms 49,871 | 39.27 ms | 7.08 ms | 65.16 ms 97,643 | 65.81 ms | 7.91 ms | 9.00 ms 495,995 | 347.49 ms | 50.94 ms | 34.06 ms 944,282 | 578.96 ms | 106.25 ms | 60.64 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 | 424.7 µs | 2.76 ms | 3.18 ms 10,000 | 1.98 ms | 1.34 ms | 3.32 ms 50,000 | 14.01 ms | 1.48 ms | 15.49 ms 100,000 | 8.69 ms | 973.6 µs | 9.66 ms 500,000 | 37.74 ms | 956.0 µs | 38.70 ms 948,423 | 59.74 ms | 791.0 µs | 60.53 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 | 10.28 ms ( 2.2x) | 1.92 ms ( 2.7x) | 960.1 µs ( 0.5x) 2x | 19,996 | 9.70 ms ( 2.1x) | 3.32 ms ( 4.7x) | 1.66 ms ( 0.8x) 5x | 49,871 | 39.61 ms ( 8.5x) | 3.18 ms ( 4.5x) | 1.96 ms ( 1.0x) 10x | 97,643 | 52.74 ms (11.3x) | 6.16 ms ( 8.8x) | 5.92 ms ( 3.0x) 20x | 196,569 | 154.29 ms (33.1x) | 11.22 ms (15.9x) | 7.26 ms ( 3.7x) 50x | 495,995 | 286.16 ms (61.3x) | 26.53 ms (37.7x) | 72.32 ms (36.6x) 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 | 241.7 µs | 5 | 1.36 ms 10,000 | 5 | 831.5 µs | 5 | 1.27 ms 97,643 | 5 | 8.30 ms | 5 | 5.36 ms 495,995 | 5 | 47.01 ms | 5 | 60.45 ms 944,282 | 5 | 110.40 ms | 5 | 38.66 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 | 6.19 ms | 3.47 ms 2 | 15.05 ms | 10.28 ms 3 | 16.01 ms | 19.71 ms 5 | 22.30 ms | 26.36 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 4.08 ms (baseline: 4.58 ms, -11.1%) ✓ sparkline.movingAvg.100: 1.73 ms (baseline: 5.10 ms, -66.1%) ⚠️ sparkline.rdp.100: 2.70 ms (baseline: 2.09 ms, +29.1%) ✓ sparkline.none.1000: 6.70 ms (baseline: 11.52 ms, -41.8%) ⚠️ sparkline.movingAvg.1000: 2.76 ms (baseline: 1.75 ms, +57.5%) ✓ sparkline.rdp.1000: 2.69 ms (baseline: 4.07 ms, -34.0%) sparkline.none.10000: 23.30 ms (baseline: 23.53 ms, -1.0%) ✓ sparkline.movingAvg.10000: 4.78 ms (baseline: 13.80 ms, -65.4%) ✓ sparkline.rdp.10000: 10.05 ms (baseline: 26.94 ms, -62.7%) sparkline.none.50000: 39.27 ms (baseline: 40.25 ms, -2.4%) ⚠️ sparkline.movingAvg.50000: 7.08 ms (baseline: 3.60 ms, +97.0%) ⚠️ sparkline.rdp.50000: 65.16 ms (baseline: 26.96 ms, +141.7%) ✓ sparkline.none.100000: 65.81 ms (baseline: 74.50 ms, -11.7%) ✓ sparkline.movingAvg.100000: 7.91 ms (baseline: 18.56 ms, -57.4%) ✓ sparkline.rdp.100000: 9.00 ms (baseline: 15.17 ms, -40.7%) ✓ sparkline.none.500000: 347.49 ms (baseline: 405.31 ms, -14.3%) sparkline.movingAvg.500000: 50.94 ms (baseline: 50.61 ms, +0.7%) sparkline.rdp.500000: 34.06 ms (baseline: 29.18 ms, +16.7%) ✓ sparkline.none.948423: 578.96 ms (baseline: 663.89 ms, -12.8%) ✓ sparkline.movingAvg.948423: 106.25 ms (baseline: 166.77 ms, -36.3%) ✓ sparkline.rdp.948423: 60.64 ms (baseline: 106.23 ms, -42.9%) ✓ windrose.aggregation.1000: 424.7 µs (baseline: 494.0 µs, -14.0%) ⚠️ windrose.draw.1000: 2.76 ms (baseline: 1.49 ms, +85.0%) ✓ windrose.aggregation.10000: 1.98 ms (baseline: 2.87 ms, -30.8%) ✓ windrose.draw.10000: 1.34 ms (baseline: 2.37 ms, -43.5%) ✓ windrose.aggregation.50000: 14.01 ms (baseline: 35.02 ms, -60.0%) windrose.draw.50000: 1.48 ms (baseline: 1.41 ms, +5.3%) ✓ windrose.aggregation.100000: 8.69 ms (baseline: 23.61 ms, -63.2%) ✓ windrose.draw.100000: 973.6 µs (baseline: 2.92 ms, -66.7%) ⚠️ windrose.aggregation.500000: 37.74 ms (baseline: 23.31 ms, +61.9%) ⚠️ windrose.draw.500000: 956.0 µs (baseline: 711.0 µs, +34.5%) ✓ windrose.aggregation.948423: 59.74 ms (baseline: 101.04 ms, -40.9%) ✓ windrose.draw.948423: 791.0 µs (baseline: 2.22 ms, -64.4%) ⚠️ scaling.none.1x: 10.28 ms (baseline: 7.85 ms, +30.9%) ✓ scaling.movingAvg.1x: 1.92 ms (baseline: 2.24 ms, -14.2%) ⚠️ scaling.rdp.1x: 960.1 µs (baseline: 757.4 µs, +26.8%) ✓ scaling.none.2x: 9.70 ms (baseline: 29.60 ms, -67.2%) ⚠️ scaling.movingAvg.2x: 3.32 ms (baseline: 1.26 ms, +164.7%) ⚠️ scaling.rdp.2x: 1.66 ms (baseline: 1.14 ms, +45.6%) ✓ scaling.none.5x: 39.61 ms (baseline: 44.80 ms, -11.6%) ✓ scaling.movingAvg.5x: 3.18 ms (baseline: 5.24 ms, -39.4%) scaling.rdp.5x: 1.96 ms (baseline: 2.02 ms, -3.2%) scaling.none.10x: 52.74 ms (baseline: 57.67 ms, -8.6%) ✓ scaling.movingAvg.10x: 6.16 ms (baseline: 14.87 ms, -58.6%) scaling.rdp.10x: 5.92 ms (baseline: 6.48 ms, -8.7%) ⚠️ scaling.none.20x: 154.29 ms (baseline: 115.45 ms, +33.6%) scaling.movingAvg.20x: 11.22 ms (baseline: 10.87 ms, +3.1%) ✓ scaling.rdp.20x: 7.26 ms (baseline: 10.28 ms, -29.3%) ✓ scaling.none.50x: 286.16 ms (baseline: 360.38 ms, -20.6%) ✓ scaling.movingAvg.50x: 26.53 ms (baseline: 82.05 ms, -67.7%) ⚠️ scaling.rdp.50x: 72.32 ms (baseline: 20.61 ms, +250.9%) ⚠️ multiseries.movingAvg.1series: 6.19 ms (baseline: 4.94 ms, +25.4%) ✓ multiseries.rdp.1series: 3.47 ms (baseline: 16.98 ms, -79.6%) ✓ multiseries.movingAvg.2series: 15.05 ms (baseline: 22.33 ms, -32.6%) ✓ multiseries.rdp.2series: 10.28 ms (baseline: 25.12 ms, -59.1%) multiseries.movingAvg.3series: 16.01 ms (baseline: 16.84 ms, -4.9%) ✓ multiseries.rdp.3series: 19.71 ms (baseline: 26.77 ms, -26.4%) ✓ multiseries.movingAvg.5series: 22.30 ms (baseline: 68.68 ms, -67.5%) ✓ multiseries.rdp.5series: 26.36 ms (baseline: 30.15 ms, -12.6%) 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: 41.93 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: 0.008 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: 0.014 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: 16.46 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: 2026-03-10T07:26:57Z [INFO] ------------------------------------------------------------------------