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=25.2.2 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.599 s [INFO] Finished at: 2026-07-12T06:54:50Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.2 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.2.2 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.420 s [INFO] Finished at: 2026-07-12T06:54:55Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -DskipPerformanceValidation=true [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 6.8.0-134-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-12T04:17:05.871930462Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:55:33.498 [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 | 6.75 ms | 8.12 ms | 2.39 ms 1,000 | 5.71 ms | 2.65 ms | 7.75 ms 10,000 | 41.99 ms | 7.97 ms | 24.17 ms 49,871 | 33.78 ms | 5.61 ms | 65.47 ms 97,643 | 89.65 ms | 15.04 ms | 9.81 ms 495,995 | 380.57 ms | 54.41 ms | 22.03 ms 944,282 | 628.01 ms | 120.19 ms | 154.36 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 | 494.0 µs | 1.38 ms | 1.87 ms 10,000 | 1.64 ms | 911.3 µs | 2.55 ms 50,000 | 8.13 ms | 792.4 µs | 8.93 ms 100,000 | 4.07 ms | 840.9 µs | 4.91 ms 500,000 | 34.51 ms | 2.52 ms | 37.02 ms 948,423 | 57.37 ms | 1.33 ms | 58.71 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 | 4.54 ms ( 0.5x) | 1.09 ms ( 0.5x) | 1.64 ms ( 0.5x) 2x | 19,996 | 19.31 ms ( 2.2x) | 2.96 ms ( 1.3x) | 2.57 ms ( 0.8x) 5x | 49,871 | 44.24 ms ( 5.1x) | 5.00 ms ( 2.2x) | 2.07 ms ( 0.6x) 10x | 97,643 | 78.18 ms ( 9.0x) | 5.04 ms ( 2.2x) | 6.59 ms ( 1.9x) 20x | 196,569 | 109.79 ms (12.6x) | 24.14 ms (10.5x) | 9.46 ms ( 2.8x) 50x | 495,995 | 313.39 ms (35.9x) | 69.94 ms (30.6x) | 31.01 ms ( 9.1x) 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 | 789.2 µs | 5 | 184.6 µs 10,000 | 5 | 569.6 µs | 5 | 1.16 ms 97,643 | 5 | 10.23 ms | 5 | 4.78 ms 495,995 | 5 | 54.41 ms | 5 | 36.64 ms 944,282 | 5 | 136.40 ms | 5 | 62.03 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 | 6.52 ms | 26.03 ms 2 | 16.05 ms | 16.80 ms 3 | 37.65 ms | 17.36 ms 5 | 42.64 ms | 30.31 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.75 ms (baseline: 1.43 ms, +371.8%) ⚠️ sparkline.movingAvg.100: 8.12 ms (baseline: 3.26 ms, +148.9%) ✓ sparkline.rdp.100: 2.39 ms (baseline: 3.10 ms, -22.9%) ⚠️ sparkline.none.1000: 5.71 ms (baseline: 3.13 ms, +82.7%) ✓ sparkline.movingAvg.1000: 2.65 ms (baseline: 4.84 ms, -45.2%) ⚠️ sparkline.rdp.1000: 7.75 ms (baseline: 4.19 ms, +85.0%) ⚠️ sparkline.none.10000: 41.99 ms (baseline: 22.47 ms, +86.9%) ⚠️ sparkline.movingAvg.10000: 7.97 ms (baseline: 4.38 ms, +82.0%) ⚠️ sparkline.rdp.10000: 24.17 ms (baseline: 9.94 ms, +143.1%) ✓ sparkline.none.50000: 33.78 ms (baseline: 49.52 ms, -31.8%) ⚠️ sparkline.movingAvg.50000: 5.61 ms (baseline: 4.20 ms, +33.5%) ✓ sparkline.rdp.50000: 65.47 ms (baseline: 88.79 ms, -26.3%) ✓ sparkline.none.100000: 89.65 ms (baseline: 121.33 ms, -26.1%) ⚠️ sparkline.movingAvg.100000: 15.04 ms (baseline: 10.29 ms, +46.2%) ✓ sparkline.rdp.100000: 9.81 ms (baseline: 80.44 ms, -87.8%) sparkline.none.500000: 380.57 ms (baseline: 397.22 ms, -4.2%) ⚠️ sparkline.movingAvg.500000: 54.41 ms (baseline: 29.21 ms, +86.3%) ✓ sparkline.rdp.500000: 22.03 ms (baseline: 42.54 ms, -48.2%) sparkline.none.948423: 628.01 ms (baseline: 685.87 ms, -8.4%) sparkline.movingAvg.948423: 120.19 ms (baseline: 105.23 ms, +14.2%) sparkline.rdp.948423: 154.36 ms (baseline: 164.97 ms, -6.4%) ✓ windrose.aggregation.1000: 494.0 µs (baseline: 619.6 µs, -20.3%) ⚠️ windrose.draw.1000: 1.38 ms (baseline: 1.12 ms, +23.1%) windrose.aggregation.10000: 1.64 ms (baseline: 1.60 ms, +2.5%) ✓ windrose.draw.10000: 911.3 µs (baseline: 1.81 ms, -49.8%) ✓ windrose.aggregation.50000: 8.13 ms (baseline: 16.53 ms, -50.8%) ✓ windrose.draw.50000: 792.4 µs (baseline: 1.85 ms, -57.1%) ✓ windrose.aggregation.100000: 4.07 ms (baseline: 9.00 ms, -54.7%) ✓ windrose.draw.100000: 840.9 µs (baseline: 1.34 ms, -37.2%) ✓ windrose.aggregation.500000: 34.51 ms (baseline: 43.19 ms, -20.1%) windrose.draw.500000: 2.52 ms (baseline: 2.59 ms, -2.7%) ✓ windrose.aggregation.948423: 57.37 ms (baseline: 82.01 ms, -30.0%) ✓ windrose.draw.948423: 1.33 ms (baseline: 1.97 ms, -32.3%) ✓ scaling.none.1x: 4.54 ms (baseline: 8.13 ms, -44.1%) ✓ scaling.movingAvg.1x: 1.09 ms (baseline: 2.65 ms, -58.7%) ⚠️ scaling.rdp.1x: 1.64 ms (baseline: 498.1 µs, +229.3%) ⚠️ scaling.none.2x: 19.31 ms (baseline: 9.27 ms, +108.5%) ⚠️ scaling.movingAvg.2x: 2.96 ms (baseline: 2.24 ms, +32.3%) ⚠️ scaling.rdp.2x: 2.57 ms (baseline: 1.29 ms, +99.4%) ⚠️ scaling.none.5x: 44.24 ms (baseline: 28.96 ms, +52.8%) ✓ scaling.movingAvg.5x: 5.00 ms (baseline: 9.13 ms, -45.2%) ✓ scaling.rdp.5x: 2.07 ms (baseline: 3.03 ms, -31.7%) scaling.none.10x: 78.18 ms (baseline: 78.19 ms, -0.0%) ✓ scaling.movingAvg.10x: 5.04 ms (baseline: 8.46 ms, -40.5%) ⚠️ scaling.rdp.10x: 6.59 ms (baseline: 4.37 ms, +50.9%) scaling.none.20x: 109.79 ms (baseline: 121.93 ms, -10.0%) ⚠️ scaling.movingAvg.20x: 24.14 ms (baseline: 19.03 ms, +26.9%) scaling.rdp.20x: 9.46 ms (baseline: 10.17 ms, -6.9%) scaling.none.50x: 313.39 ms (baseline: 303.88 ms, +3.1%) ⚠️ scaling.movingAvg.50x: 69.94 ms (baseline: 48.03 ms, +45.6%) ✓ scaling.rdp.50x: 31.01 ms (baseline: 57.07 ms, -45.7%) ✓ multiseries.movingAvg.1series: 6.52 ms (baseline: 9.27 ms, -29.7%) ⚠️ multiseries.rdp.1series: 26.03 ms (baseline: 6.21 ms, +319.3%) multiseries.movingAvg.2series: 16.05 ms (baseline: 14.74 ms, +8.9%) ⚠️ multiseries.rdp.2series: 16.80 ms (baseline: 11.07 ms, +51.7%) ⚠️ multiseries.movingAvg.3series: 37.65 ms (baseline: 16.50 ms, +128.2%) ✓ multiseries.rdp.3series: 17.36 ms (baseline: 20.71 ms, -16.2%) ✓ multiseries.movingAvg.5series: 42.64 ms (baseline: 53.70 ms, -20.6%) multiseries.rdp.5series: 30.31 ms (baseline: 25.75 ms, +17.7%) 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: 48.47 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: 0.013 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: 0.013 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: 20.63 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: 01:20 min [INFO] Finished at: 2026-07-12T06:56:24Z [INFO] ------------------------------------------------------------------------