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 939d4f0 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.2-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, 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 1.1.1-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: 2.770 s [INFO] Finished at: 2026-08-10T17:01:14Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, 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 1.1.1-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:1.1.1-SNAPSHOT -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.559 s [INFO] Finished at: 2026-08-10T17:01:20Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, 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 1.1.1-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:1.1.1-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 6.8.0-137-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-10T14:27:25.142133111Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 17:02:00.179 [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 | 3.49 ms | 3.98 ms | 2.13 ms 1,000 | 4.35 ms | 1.50 ms | 4.20 ms 10,000 | 24.85 ms | 2.10 ms | 4.72 ms 49,871 | 33.96 ms | 4.64 ms | 53.70 ms 97,643 | 66.19 ms | 11.06 ms | 9.01 ms 495,995 | 280.86 ms | 39.12 ms | 60.33 ms 944,282 | 531.06 ms | 135.72 ms | 106.05 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 | 507.2 µs | 769.9 µs | 1.28 ms 10,000 | 1.58 ms | 1.26 ms | 2.84 ms 50,000 | 14.81 ms | 868.2 µs | 15.68 ms 100,000 | 7.09 ms | 604.8 µs | 7.70 ms 500,000 | 38.75 ms | 1.24 ms | 39.99 ms 948,423 | 74.59 ms | 3.13 ms | 77.73 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 | 7.47 ms ( 0.5x) | 885.0 µs ( 1.3x) | 1.27 ms ( 2.1x) 2x | 19,996 | 7.50 ms ( 0.5x) | 1.27 ms ( 1.9x) | 1.15 ms ( 1.9x) 5x | 49,871 | 22.10 ms ( 1.6x) | 6.00 ms ( 8.8x) | 3.15 ms ( 5.2x) 10x | 97,643 | 40.67 ms ( 2.9x) | 5.36 ms ( 7.9x) | 7.53 ms (12.3x) 20x | 196,569 | 114.75 ms ( 8.2x) | 15.13 ms (22.3x) | 19.78 ms (32.4x) 50x | 495,995 | 301.83 ms (21.7x) | 24.84 ms (36.6x) | 32.00 ms (52.5x) 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 | 545.8 µs | 5 | 211.3 µs 10,000 | 5 | 906.6 µs | 5 | 533.1 µs 97,643 | 5 | 4.98 ms | 5 | 36.15 ms 495,995 | 5 | 43.25 ms | 5 | 34.04 ms 944,282 | 5 | 122.91 ms | 5 | 110.32 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 | 4.00 ms | 4.02 ms 2 | 9.11 ms | 16.58 ms 3 | 20.77 ms | 23.68 ms 5 | 57.28 ms | 43.17 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.49 ms (baseline: 2.27 ms, +53.8%) ⚠️ sparkline.movingAvg.100: 3.98 ms (baseline: 2.95 ms, +34.7%) ✓ sparkline.rdp.100: 2.13 ms (baseline: 2.75 ms, -22.5%) ⚠️ sparkline.none.1000: 4.35 ms (baseline: 3.34 ms, +30.4%) ✓ sparkline.movingAvg.1000: 1.50 ms (baseline: 2.56 ms, -41.4%) ⚠️ sparkline.rdp.1000: 4.20 ms (baseline: 3.46 ms, +21.2%) ⚠️ sparkline.none.10000: 24.85 ms (baseline: 17.45 ms, +42.4%) ✓ sparkline.movingAvg.10000: 2.10 ms (baseline: 7.62 ms, -72.5%) ✓ sparkline.rdp.10000: 4.72 ms (baseline: 27.95 ms, -83.1%) ✓ sparkline.none.50000: 33.96 ms (baseline: 48.14 ms, -29.4%) ⚠️ sparkline.movingAvg.50000: 4.64 ms (baseline: 3.18 ms, +46.0%) ⚠️ sparkline.rdp.50000: 53.70 ms (baseline: 6.37 ms, +743.0%) ✓ sparkline.none.100000: 66.19 ms (baseline: 79.35 ms, -16.6%) ⚠️ sparkline.movingAvg.100000: 11.06 ms (baseline: 4.74 ms, +133.3%) sparkline.rdp.100000: 9.01 ms (baseline: 9.73 ms, -7.4%) sparkline.none.500000: 280.86 ms (baseline: 269.67 ms, +4.2%) ✓ sparkline.movingAvg.500000: 39.12 ms (baseline: 64.80 ms, -39.6%) ✓ sparkline.rdp.500000: 60.33 ms (baseline: 103.46 ms, -41.7%) sparkline.none.948423: 531.06 ms (baseline: 574.77 ms, -7.6%) sparkline.movingAvg.948423: 135.72 ms (baseline: 116.41 ms, +16.6%) sparkline.rdp.948423: 106.05 ms (baseline: 113.10 ms, -6.2%) windrose.aggregation.1000: 507.2 µs (baseline: 473.0 µs, +7.2%) ✓ windrose.draw.1000: 769.9 µs (baseline: 1.52 ms, -49.3%) ✓ windrose.aggregation.10000: 1.58 ms (baseline: 2.05 ms, -23.0%) ✓ windrose.draw.10000: 1.26 ms (baseline: 1.53 ms, -17.5%) ✓ windrose.aggregation.50000: 14.81 ms (baseline: 21.88 ms, -32.3%) ✓ windrose.draw.50000: 868.2 µs (baseline: 1.40 ms, -38.0%) ✓ windrose.aggregation.100000: 7.09 ms (baseline: 9.08 ms, -21.9%) ✓ windrose.draw.100000: 604.8 µs (baseline: 966.1 µs, -37.4%) ⚠️ windrose.aggregation.500000: 38.75 ms (baseline: 20.49 ms, +89.1%) ⚠️ windrose.draw.500000: 1.24 ms (baseline: 499.9 µs, +147.7%) ⚠️ windrose.aggregation.948423: 74.59 ms (baseline: 46.19 ms, +61.5%) ⚠️ windrose.draw.948423: 3.13 ms (baseline: 554.8 µs, +464.4%) ⚠️ scaling.none.1x: 7.47 ms (baseline: 4.98 ms, +50.1%) ✓ scaling.movingAvg.1x: 885.0 µs (baseline: 1.77 ms, -49.9%) scaling.rdp.1x: 1.27 ms (baseline: 1.10 ms, +15.3%) scaling.none.2x: 7.50 ms (baseline: 7.35 ms, +2.0%) ✓ scaling.movingAvg.2x: 1.27 ms (baseline: 1.80 ms, -29.7%) ✓ scaling.rdp.2x: 1.15 ms (baseline: 1.54 ms, -25.3%) ✓ scaling.none.5x: 22.10 ms (baseline: 40.29 ms, -45.2%) ⚠️ scaling.movingAvg.5x: 6.00 ms (baseline: 2.92 ms, +105.6%) ✓ scaling.rdp.5x: 3.15 ms (baseline: 4.93 ms, -36.0%) ✓ scaling.none.10x: 40.67 ms (baseline: 62.69 ms, -35.1%) ✓ scaling.movingAvg.10x: 5.36 ms (baseline: 14.79 ms, -63.8%) ✓ scaling.rdp.10x: 7.53 ms (baseline: 9.05 ms, -16.8%) ⚠️ scaling.none.20x: 114.75 ms (baseline: 80.43 ms, +42.7%) ⚠️ scaling.movingAvg.20x: 15.13 ms (baseline: 11.00 ms, +37.5%) ⚠️ scaling.rdp.20x: 19.78 ms (baseline: 9.57 ms, +106.7%) ⚠️ scaling.none.50x: 301.83 ms (baseline: 238.86 ms, +26.4%) ✓ scaling.movingAvg.50x: 24.84 ms (baseline: 60.87 ms, -59.2%) ✓ scaling.rdp.50x: 32.00 ms (baseline: 75.56 ms, -57.6%) ✓ multiseries.movingAvg.1series: 4.00 ms (baseline: 4.56 ms, -12.2%) multiseries.rdp.1series: 4.02 ms (baseline: 4.20 ms, -4.5%) multiseries.movingAvg.2series: 9.11 ms (baseline: 8.86 ms, +2.9%) ⚠️ multiseries.rdp.2series: 16.58 ms (baseline: 11.55 ms, +43.6%) ⚠️ multiseries.movingAvg.3series: 20.77 ms (baseline: 13.21 ms, +57.2%) ✓ multiseries.rdp.3series: 23.68 ms (baseline: 46.50 ms, -49.1%) ⚠️ multiseries.movingAvg.5series: 57.28 ms (baseline: 32.65 ms, +75.4%) ⚠️ multiseries.rdp.5series: 43.17 ms (baseline: 35.68 ms, +21.0%) 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: 44.01 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: 0.037 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.057 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: 19.95 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 24, 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-1.1.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:15 min [INFO] Finished at: 2026-08-10T17:02:47Z [INFO] ------------------------------------------------------------------------