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: 2.819 s [INFO] Finished at: 2026-03-20T07:28:09Z [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-rc2 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.290 s [INFO] Finished at: 2026-03-20T07:28:15Z [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: 2026-03-20T06:20:44.521874556Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:28:43.581 [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 | 2.52 ms | 2.92 ms | 2.24 ms 1,000 | 4.06 ms | 3.62 ms | 4.49 ms 10,000 | 16.62 ms | 5.65 ms | 12.06 ms 49,871 | 41.02 ms | 5.97 ms | 42.63 ms 97,643 | 87.85 ms | 9.73 ms | 8.23 ms 495,995 | 295.52 ms | 39.18 ms | 19.81 ms 944,282 | 480.43 ms | 107.13 ms | 151.42 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 | 474.3 µs | 1.17 ms | 1.64 ms 10,000 | 1.58 ms | 883.8 µs | 2.46 ms 50,000 | 7.26 ms | 1.51 ms | 8.77 ms 100,000 | 7.27 ms | 846.3 µs | 8.11 ms 500,000 | 19.23 ms | 732.3 µs | 19.97 ms 948,423 | 75.07 ms | 1.08 ms | 76.15 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 | 6.82 ms ( 0.9x) | 1.07 ms ( 0.7x) | 1.32 ms ( 1.8x) 2x | 19,996 | 20.07 ms ( 2.5x) | 1.67 ms ( 1.0x) | 1.10 ms ( 1.5x) 5x | 49,871 | 22.37 ms ( 2.8x) | 5.39 ms ( 3.4x) | 2.33 ms ( 3.1x) 10x | 97,643 | 53.27 ms ( 6.7x) | 7.00 ms ( 4.4x) | 3.24 ms ( 4.4x) 20x | 196,569 | 94.99 ms (11.9x) | 15.67 ms ( 9.8x) | 9.92 ms (13.4x) 50x | 495,995 | 236.63 ms (29.5x) | 38.46 ms (24.1x) | 19.47 ms (26.3x) 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 | 185.1 µs | 5 | 232.1 µs 10,000 | 5 | 1.77 ms | 5 | 958.3 µs 97,643 | 5 | 8.02 ms | 5 | 5.26 ms 495,995 | 5 | 48.87 ms | 5 | 22.80 ms 944,282 | 5 | 101.70 ms | 5 | 41.76 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 | 12.42 ms | 3.78 ms 2 | 14.82 ms | 20.14 ms 3 | 23.97 ms | 14.86 ms 5 | 35.91 ms | 32.92 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 2.52 ms (baseline: 2.73 ms, -7.7%) ✓ sparkline.movingAvg.100: 2.92 ms (baseline: 4.15 ms, -29.6%) ✓ sparkline.rdp.100: 2.24 ms (baseline: 2.96 ms, -24.1%) sparkline.none.1000: 4.06 ms (baseline: 4.47 ms, -9.1%) ✓ sparkline.movingAvg.1000: 3.62 ms (baseline: 4.48 ms, -19.3%) sparkline.rdp.1000: 4.49 ms (baseline: 4.19 ms, +7.4%) ✓ sparkline.none.10000: 16.62 ms (baseline: 30.01 ms, -44.6%) sparkline.movingAvg.10000: 5.65 ms (baseline: 5.48 ms, +3.0%) ✓ sparkline.rdp.10000: 12.06 ms (baseline: 22.07 ms, -45.3%) ✓ sparkline.none.50000: 41.02 ms (baseline: 47.89 ms, -14.4%) sparkline.movingAvg.50000: 5.97 ms (baseline: 6.21 ms, -3.8%) ✓ sparkline.rdp.50000: 42.63 ms (baseline: 60.50 ms, -29.5%) sparkline.none.100000: 87.85 ms (baseline: 86.05 ms, +2.1%) ✓ sparkline.movingAvg.100000: 9.73 ms (baseline: 15.73 ms, -38.2%) ⚠️ sparkline.rdp.100000: 8.23 ms (baseline: 6.63 ms, +24.0%) ✓ sparkline.none.500000: 295.52 ms (baseline: 377.75 ms, -21.8%) ✓ sparkline.movingAvg.500000: 39.18 ms (baseline: 57.41 ms, -31.8%) ✓ sparkline.rdp.500000: 19.81 ms (baseline: 33.04 ms, -40.0%) ✓ sparkline.none.948423: 480.43 ms (baseline: 664.79 ms, -27.7%) ✓ sparkline.movingAvg.948423: 107.13 ms (baseline: 134.08 ms, -20.1%) ⚠️ sparkline.rdp.948423: 151.42 ms (baseline: 80.76 ms, +87.5%) ✓ windrose.aggregation.1000: 474.3 µs (baseline: 1.13 ms, -57.9%) ✓ windrose.draw.1000: 1.17 ms (baseline: 1.73 ms, -32.4%) ✓ windrose.aggregation.10000: 1.58 ms (baseline: 7.95 ms, -80.2%) ✓ windrose.draw.10000: 883.8 µs (baseline: 3.38 ms, -73.9%) ✓ windrose.aggregation.50000: 7.26 ms (baseline: 13.22 ms, -45.1%) ⚠️ windrose.draw.50000: 1.51 ms (baseline: 961.3 µs, +57.6%) ✓ windrose.aggregation.100000: 7.27 ms (baseline: 11.28 ms, -35.6%) ✓ windrose.draw.100000: 846.3 µs (baseline: 4.30 ms, -80.3%) ✓ windrose.aggregation.500000: 19.23 ms (baseline: 29.84 ms, -35.5%) ⚠️ windrose.draw.500000: 732.3 µs (baseline: 535.3 µs, +36.8%) ⚠️ windrose.aggregation.948423: 75.07 ms (baseline: 43.00 ms, +74.6%) ⚠️ windrose.draw.948423: 1.08 ms (baseline: 775.1 µs, +39.5%) scaling.none.1x: 6.82 ms (baseline: 6.56 ms, +4.0%) ⚠️ scaling.movingAvg.1x: 1.07 ms (baseline: 691.1 µs, +55.3%) ⚠️ scaling.rdp.1x: 1.32 ms (baseline: 544.4 µs, +142.1%) ⚠️ scaling.none.2x: 20.07 ms (baseline: 12.96 ms, +54.8%) scaling.movingAvg.2x: 1.67 ms (baseline: 1.66 ms, +0.2%) ✓ scaling.rdp.2x: 1.10 ms (baseline: 1.99 ms, -44.9%) ✓ scaling.none.5x: 22.37 ms (baseline: 41.37 ms, -45.9%) ✓ scaling.movingAvg.5x: 5.39 ms (baseline: 9.95 ms, -45.9%) ✓ scaling.rdp.5x: 2.33 ms (baseline: 5.67 ms, -58.9%) scaling.none.10x: 53.27 ms (baseline: 57.61 ms, -7.5%) ✓ scaling.movingAvg.10x: 7.00 ms (baseline: 12.27 ms, -43.0%) ✓ scaling.rdp.10x: 3.24 ms (baseline: 6.69 ms, -51.6%) ✓ scaling.none.20x: 94.99 ms (baseline: 165.73 ms, -42.7%) ⚠️ scaling.movingAvg.20x: 15.67 ms (baseline: 12.13 ms, +29.3%) scaling.rdp.20x: 9.92 ms (baseline: 9.39 ms, +5.7%) ✓ scaling.none.50x: 236.63 ms (baseline: 327.77 ms, -27.8%) ✓ scaling.movingAvg.50x: 38.46 ms (baseline: 59.68 ms, -35.6%) ✓ scaling.rdp.50x: 19.47 ms (baseline: 22.84 ms, -14.7%) ✓ multiseries.movingAvg.1series: 12.42 ms (baseline: 15.66 ms, -20.6%) ✓ multiseries.rdp.1series: 3.78 ms (baseline: 5.54 ms, -31.7%) ✓ multiseries.movingAvg.2series: 14.82 ms (baseline: 17.08 ms, -13.2%) ⚠️ multiseries.rdp.2series: 20.14 ms (baseline: 15.34 ms, +31.3%) ⚠️ multiseries.movingAvg.3series: 23.97 ms (baseline: 14.38 ms, +66.7%) ✓ multiseries.rdp.3series: 14.86 ms (baseline: 23.95 ms, -37.9%) multiseries.movingAvg.5series: 35.91 ms (baseline: 31.16 ms, +15.3%) multiseries.rdp.5series: 32.92 ms (baseline: 35.74 ms, -7.9%) 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: 38.02 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: 0.016 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: 15.30 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: 01:03 min [INFO] Finished at: 2026-03-20T07:29:21Z [INFO] ------------------------------------------------------------------------