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: 2.933 s [INFO] Finished at: 2026-03-21T07:21:24Z [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: 2.594 s [INFO] Finished at: 2026-03-21T07:21:30Z [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: 2026-03-21T06:14:59.943089935Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:21:58.525 [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 | 2.41 ms | 7.07 ms | 5.30 ms 1,000 | 5.72 ms | 2.24 ms | 1.53 ms 10,000 | 19.26 ms | 3.60 ms | 4.29 ms 49,871 | 38.10 ms | 12.88 ms | 42.39 ms 97,643 | 48.59 ms | 7.50 ms | 4.13 ms 495,995 | 369.79 ms | 37.09 ms | 26.77 ms 944,282 | 457.90 ms | 96.85 ms | 144.05 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 | 404.3 µs | 1.39 ms | 1.79 ms 10,000 | 1.51 ms | 1.22 ms | 2.74 ms 50,000 | 7.00 ms | 1.05 ms | 8.05 ms 100,000 | 6.08 ms | 670.6 µs | 6.75 ms 500,000 | 21.24 ms | 638.0 µs | 21.88 ms 948,423 | 34.56 ms | 1.04 ms | 35.60 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 | 14.22 ms ( 3.1x) | 674.6 µs ( 0.9x) | 592.1 µs ( 0.8x) 2x | 19,996 | 9.17 ms ( 2.0x) | 1.86 ms ( 2.4x) | 983.8 µs ( 1.3x) 5x | 49,871 | 23.67 ms ( 5.2x) | 4.08 ms ( 5.2x) | 2.04 ms ( 2.6x) 10x | 97,643 | 38.63 ms ( 8.6x) | 4.81 ms ( 6.1x) | 3.74 ms ( 4.8x) 20x | 196,569 | 106.42 ms (23.6x) | 12.09 ms (15.4x) | 11.54 ms (14.7x) 50x | 495,995 | 243.28 ms (53.9x) | 39.12 ms (49.7x) | 62.08 ms (79.4x) 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 | 169.2 µs | 5 | 204.8 µs 10,000 | 5 | 569.5 µs | 5 | 534.2 µs 97,643 | 5 | 5.73 ms | 5 | 3.47 ms 495,995 | 5 | 33.26 ms | 5 | 19.32 ms 944,282 | 5 | 99.63 ms | 5 | 69.98 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 | 7.53 ms | 3.49 ms 2 | 11.08 ms | 13.01 ms 3 | 14.34 ms | 16.48 ms 5 | 25.36 ms | 26.74 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.41 ms (baseline: 3.64 ms, -33.7%) sparkline.movingAvg.100: 7.07 ms (baseline: 6.45 ms, +9.6%) sparkline.rdp.100: 5.30 ms (baseline: 5.72 ms, -7.3%) ✓ sparkline.none.1000: 5.72 ms (baseline: 6.76 ms, -15.4%) ✓ sparkline.movingAvg.1000: 2.24 ms (baseline: 3.09 ms, -27.7%) ✓ sparkline.rdp.1000: 1.53 ms (baseline: 3.62 ms, -57.6%) sparkline.none.10000: 19.26 ms (baseline: 16.38 ms, +17.6%) ✓ sparkline.movingAvg.10000: 3.60 ms (baseline: 4.49 ms, -19.7%) ✓ sparkline.rdp.10000: 4.29 ms (baseline: 7.50 ms, -42.7%) ✓ sparkline.none.50000: 38.10 ms (baseline: 46.52 ms, -18.1%) ⚠️ sparkline.movingAvg.50000: 12.88 ms (baseline: 5.29 ms, +143.6%) ✓ sparkline.rdp.50000: 42.39 ms (baseline: 77.80 ms, -45.5%) ✓ sparkline.none.100000: 48.59 ms (baseline: 102.62 ms, -52.7%) ✓ sparkline.movingAvg.100000: 7.50 ms (baseline: 10.48 ms, -28.4%) ✓ sparkline.rdp.100000: 4.13 ms (baseline: 6.48 ms, -36.2%) sparkline.none.500000: 369.79 ms (baseline: 368.69 ms, +0.3%) sparkline.movingAvg.500000: 37.09 ms (baseline: 38.25 ms, -3.0%) ✓ sparkline.rdp.500000: 26.77 ms (baseline: 68.79 ms, -61.1%) ✓ sparkline.none.948423: 457.90 ms (baseline: 676.80 ms, -32.3%) ✓ sparkline.movingAvg.948423: 96.85 ms (baseline: 127.51 ms, -24.0%) sparkline.rdp.948423: 144.05 ms (baseline: 149.22 ms, -3.5%) windrose.aggregation.1000: 404.3 µs (baseline: 422.1 µs, -4.2%) ✓ windrose.draw.1000: 1.39 ms (baseline: 1.85 ms, -24.8%) windrose.aggregation.10000: 1.51 ms (baseline: 1.61 ms, -5.7%) windrose.draw.10000: 1.22 ms (baseline: 1.07 ms, +13.9%) ✓ windrose.aggregation.50000: 7.00 ms (baseline: 7.80 ms, -10.3%) ✓ windrose.draw.50000: 1.05 ms (baseline: 2.10 ms, -50.1%) ✓ windrose.aggregation.100000: 6.08 ms (baseline: 9.68 ms, -37.2%) ✓ windrose.draw.100000: 670.6 µs (baseline: 796.7 µs, -15.8%) ✓ windrose.aggregation.500000: 21.24 ms (baseline: 40.74 ms, -47.9%) ✓ windrose.draw.500000: 638.0 µs (baseline: 1.89 ms, -66.2%) ✓ windrose.aggregation.948423: 34.56 ms (baseline: 80.52 ms, -57.1%) ✓ windrose.draw.948423: 1.04 ms (baseline: 1.68 ms, -38.4%) ⚠️ scaling.none.1x: 14.22 ms (baseline: 6.12 ms, +132.2%) ✓ scaling.movingAvg.1x: 674.6 µs (baseline: 965.3 µs, -30.1%) ✓ scaling.rdp.1x: 592.1 µs (baseline: 1.73 ms, -65.7%) ✓ scaling.none.2x: 9.17 ms (baseline: 17.02 ms, -46.1%) ✓ scaling.movingAvg.2x: 1.86 ms (baseline: 2.41 ms, -23.0%) ✓ scaling.rdp.2x: 983.8 µs (baseline: 1.84 ms, -46.6%) ✓ scaling.none.5x: 23.67 ms (baseline: 26.56 ms, -10.9%) ⚠️ scaling.movingAvg.5x: 4.08 ms (baseline: 2.64 ms, +54.4%) ✓ scaling.rdp.5x: 2.04 ms (baseline: 2.32 ms, -12.3%) ✓ scaling.none.10x: 38.63 ms (baseline: 77.56 ms, -50.2%) ✓ scaling.movingAvg.10x: 4.81 ms (baseline: 11.62 ms, -58.6%) ✓ scaling.rdp.10x: 3.74 ms (baseline: 6.71 ms, -44.3%) scaling.none.20x: 106.42 ms (baseline: 105.46 ms, +0.9%) scaling.movingAvg.20x: 12.09 ms (baseline: 10.87 ms, +11.2%) scaling.rdp.20x: 11.54 ms (baseline: 12.45 ms, -7.4%) ✓ scaling.none.50x: 243.28 ms (baseline: 353.75 ms, -31.2%) ✓ scaling.movingAvg.50x: 39.12 ms (baseline: 49.54 ms, -21.0%) ⚠️ scaling.rdp.50x: 62.08 ms (baseline: 35.94 ms, +72.8%) ✓ multiseries.movingAvg.1series: 7.53 ms (baseline: 14.21 ms, -47.0%) ✓ multiseries.rdp.1series: 3.49 ms (baseline: 11.48 ms, -69.6%) ✓ multiseries.movingAvg.2series: 11.08 ms (baseline: 19.38 ms, -42.8%) multiseries.rdp.2series: 13.01 ms (baseline: 12.38 ms, +5.0%) ✓ multiseries.movingAvg.3series: 14.34 ms (baseline: 25.14 ms, -43.0%) ✓ multiseries.rdp.3series: 16.48 ms (baseline: 25.44 ms, -35.2%) ✓ multiseries.movingAvg.5series: 25.36 ms (baseline: 30.61 ms, -17.2%) ✓ multiseries.rdp.5series: 26.74 ms (baseline: 46.54 ms, -42.5%) 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: 37.23 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: 0.011 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: 15.09 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: 01:02 min [INFO] Finished at: 2026-03-21T07:22:35Z [INFO] ------------------------------------------------------------------------