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: 2.490 s [INFO] Finished at: 2026-03-24T07:32:09Z [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: 2.130 s [INFO] Finished at: 2026-03-24T07:32:13Z [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: 2026-03-24T06:25:30.567709819Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:32:39.843 [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 | 2.71 ms | 3.48 ms | 1.45 ms 1,000 | 3.83 ms | 4.86 ms | 2.20 ms 10,000 | 16.35 ms | 2.94 ms | 3.75 ms 49,871 | 43.25 ms | 4.45 ms | 41.41 ms 97,643 | 62.59 ms | 11.73 ms | 7.36 ms 495,995 | 269.94 ms | 33.63 ms | 19.13 ms 944,282 | 444.75 ms | 93.26 ms | 166.32 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 | 461.1 µs | 1.33 ms | 1.79 ms 10,000 | 1.51 ms | 2.70 ms | 4.21 ms 50,000 | 7.41 ms | 997.9 µs | 8.41 ms 100,000 | 12.74 ms | 594.4 µs | 13.33 ms 500,000 | 14.38 ms | 554.7 µs | 14.93 ms 948,423 | 38.93 ms | 793.8 µs | 39.72 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 | 7.78 ms ( 1.1x) | 1.49 ms ( 0.8x) | 801.5 µs ( 0.4x) 2x | 19,996 | 10.26 ms ( 1.5x) | 3.13 ms ( 1.7x) | 1.96 ms ( 1.0x) 5x | 49,871 | 22.78 ms ( 3.3x) | 2.73 ms ( 1.5x) | 1.95 ms ( 1.0x) 10x | 97,643 | 40.44 ms ( 5.8x) | 4.91 ms ( 2.7x) | 3.29 ms ( 1.6x) 20x | 196,569 | 103.34 ms (14.9x) | 9.49 ms ( 5.3x) | 7.29 ms ( 3.6x) 50x | 495,995 | 225.47 ms (32.6x) | 50.39 ms (28.0x) | 20.50 ms (10.1x) 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 | 139.7 µs | 5 | 195.8 µs 10,000 | 5 | 611.9 µs | 5 | 431.4 µs 97,643 | 5 | 4.56 ms | 5 | 3.16 ms 495,995 | 5 | 36.76 ms | 5 | 43.76 ms 944,282 | 5 | 89.07 ms | 5 | 51.52 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 | 5.78 ms | 3.21 ms 2 | 10.86 ms | 28.44 ms 3 | 16.90 ms | 13.29 ms 5 | 26.72 ms | 24.97 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.71 ms (baseline: 7.17 ms, -62.2%) ✓ sparkline.movingAvg.100: 3.48 ms (baseline: 5.02 ms, -30.7%) ✓ sparkline.rdp.100: 1.45 ms (baseline: 8.53 ms, -83.0%) ✓ sparkline.none.1000: 3.83 ms (baseline: 8.67 ms, -55.9%) ⚠️ sparkline.movingAvg.1000: 4.86 ms (baseline: 3.54 ms, +37.2%) ✓ sparkline.rdp.1000: 2.20 ms (baseline: 5.07 ms, -56.7%) ✓ sparkline.none.10000: 16.35 ms (baseline: 23.07 ms, -29.1%) ✓ sparkline.movingAvg.10000: 2.94 ms (baseline: 6.77 ms, -56.6%) ✓ sparkline.rdp.10000: 3.75 ms (baseline: 12.17 ms, -69.2%) sparkline.none.50000: 43.25 ms (baseline: 38.25 ms, +13.1%) ✓ sparkline.movingAvg.50000: 4.45 ms (baseline: 7.02 ms, -36.6%) ✓ sparkline.rdp.50000: 41.41 ms (baseline: 89.59 ms, -53.8%) ✓ sparkline.none.100000: 62.59 ms (baseline: 115.36 ms, -45.7%) ✓ sparkline.movingAvg.100000: 11.73 ms (baseline: 14.07 ms, -16.6%) sparkline.rdp.100000: 7.36 ms (baseline: 7.25 ms, +1.5%) ✓ sparkline.none.500000: 269.94 ms (baseline: 323.87 ms, -16.7%) ✓ sparkline.movingAvg.500000: 33.63 ms (baseline: 43.70 ms, -23.0%) ✓ sparkline.rdp.500000: 19.13 ms (baseline: 43.14 ms, -55.7%) ✓ sparkline.none.948423: 444.75 ms (baseline: 614.93 ms, -27.7%) ✓ sparkline.movingAvg.948423: 93.26 ms (baseline: 117.35 ms, -20.5%) sparkline.rdp.948423: 166.32 ms (baseline: 150.71 ms, +10.4%) windrose.aggregation.1000: 461.1 µs (baseline: 478.4 µs, -3.6%) ✓ windrose.draw.1000: 1.33 ms (baseline: 1.58 ms, -16.3%) ✓ windrose.aggregation.10000: 1.51 ms (baseline: 2.06 ms, -26.8%) ⚠️ windrose.draw.10000: 2.70 ms (baseline: 885.7 µs, +205.2%) ✓ windrose.aggregation.50000: 7.41 ms (baseline: 9.84 ms, -24.7%) windrose.draw.50000: 997.9 µs (baseline: 945.6 µs, +5.5%) windrose.aggregation.100000: 12.74 ms (baseline: 10.67 ms, +19.4%) ✓ windrose.draw.100000: 594.4 µs (baseline: 991.2 µs, -40.0%) ✓ windrose.aggregation.500000: 14.38 ms (baseline: 49.68 ms, -71.1%) windrose.draw.500000: 554.7 µs (baseline: 585.4 µs, -5.3%) ⚠️ windrose.aggregation.948423: 38.93 ms (baseline: 25.86 ms, +50.6%) ⚠️ windrose.draw.948423: 793.8 µs (baseline: 624.8 µs, +27.1%) ✓ scaling.none.1x: 7.78 ms (baseline: 10.92 ms, -28.7%) ⚠️ scaling.movingAvg.1x: 1.49 ms (baseline: 976.3 µs, +52.4%) ✓ scaling.rdp.1x: 801.5 µs (baseline: 905.7 µs, -11.5%) ✓ scaling.none.2x: 10.26 ms (baseline: 21.61 ms, -52.5%) ⚠️ scaling.movingAvg.2x: 3.13 ms (baseline: 1.26 ms, +147.6%) ⚠️ scaling.rdp.2x: 1.96 ms (baseline: 1.41 ms, +38.7%) scaling.none.5x: 22.78 ms (baseline: 23.00 ms, -1.0%) ✓ scaling.movingAvg.5x: 2.73 ms (baseline: 5.10 ms, -46.4%) ✓ scaling.rdp.5x: 1.95 ms (baseline: 3.06 ms, -36.3%) ✓ scaling.none.10x: 40.44 ms (baseline: 65.42 ms, -38.2%) ✓ scaling.movingAvg.10x: 4.91 ms (baseline: 7.93 ms, -38.1%) ✓ scaling.rdp.10x: 3.29 ms (baseline: 4.91 ms, -33.1%) scaling.none.20x: 103.34 ms (baseline: 93.60 ms, +10.4%) ✓ scaling.movingAvg.20x: 9.49 ms (baseline: 11.45 ms, -17.2%) ✓ scaling.rdp.20x: 7.29 ms (baseline: 11.21 ms, -35.0%) ✓ scaling.none.50x: 225.47 ms (baseline: 298.81 ms, -24.5%) ✓ scaling.movingAvg.50x: 50.39 ms (baseline: 71.93 ms, -29.9%) ✓ scaling.rdp.50x: 20.50 ms (baseline: 27.82 ms, -26.3%) ✓ multiseries.movingAvg.1series: 5.78 ms (baseline: 13.50 ms, -57.2%) ✓ multiseries.rdp.1series: 3.21 ms (baseline: 9.32 ms, -65.6%) ✓ multiseries.movingAvg.2series: 10.86 ms (baseline: 16.10 ms, -32.5%) ⚠️ multiseries.rdp.2series: 28.44 ms (baseline: 9.59 ms, +196.5%) multiseries.movingAvg.3series: 16.90 ms (baseline: 16.91 ms, -0.0%) ✓ multiseries.rdp.3series: 13.29 ms (baseline: 16.44 ms, -19.2%) multiseries.movingAvg.5series: 26.72 ms (baseline: 22.81 ms, +17.1%) multiseries.rdp.5series: 24.97 ms (baseline: 26.43 ms, -5.5%) 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: 34.57 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: 0.009 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: 0.018 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: 13.90 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: 58.057 s [INFO] Finished at: 2026-03-24T07:33:14Z [INFO] ------------------------------------------------------------------------