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=25.2.3 -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: 2.860 s [INFO] Finished at: 2026-07-26T06:56:30Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.3 -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 -> 25.2.3 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.527 s [INFO] Finished at: 2026-07-26T06:56:35Z [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 6.8.0-136-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-26T05:18:54.036186873Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:57:13.817 [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 | 3.66 ms | 5.01 ms | 4.43 ms 1,000 | 6.17 ms | 2.70 ms | 4.11 ms 10,000 | 31.28 ms | 2.08 ms | 5.47 ms 49,871 | 40.91 ms | 7.39 ms | 53.07 ms 97,643 | 80.13 ms | 13.72 ms | 14.23 ms 495,995 | 357.21 ms | 38.14 ms | 77.31 ms 944,282 | 669.61 ms | 207.61 ms | 63.37 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 | 1.58 ms | 3.04 ms | 4.63 ms 10,000 | 8.98 ms | 2.13 ms | 11.11 ms 50,000 | 14.43 ms | 1.48 ms | 15.91 ms 100,000 | 5.06 ms | 958.5 µs | 6.02 ms 500,000 | 19.55 ms | 654.9 µs | 20.20 ms 948,423 | 38.78 ms | 1.24 ms | 40.02 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 | 16.63 ms ( 0.6x) | 4.90 ms ( 0.8x) | 1.95 ms ( 0.7x) 2x | 19,996 | 14.65 ms ( 0.5x) | 2.51 ms ( 0.4x) | 1.54 ms ( 0.6x) 5x | 49,871 | 40.58 ms ( 1.4x) | 3.33 ms ( 0.6x) | 4.53 ms ( 1.7x) 10x | 97,643 | 46.48 ms ( 1.6x) | 5.78 ms ( 1.0x) | 5.26 ms ( 2.0x) 20x | 196,569 | 122.93 ms ( 4.2x) | 21.47 ms ( 3.6x) | 18.16 ms ( 6.9x) 50x | 495,995 | 295.35 ms (10.0x) | 47.77 ms ( 7.9x) | 41.45 ms (15.8x) 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 | 185.0 µs | 5 | 209.2 µs 10,000 | 5 | 679.0 µs | 5 | 447.5 µs 97,643 | 5 | 6.60 ms | 5 | 7.21 ms 495,995 | 5 | 44.04 ms | 5 | 30.85 ms 944,282 | 5 | 120.39 ms | 5 | 75.58 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 | 5.48 ms | 3.60 ms 2 | 12.86 ms | 16.67 ms 3 | 48.77 ms | 33.50 ms 5 | 30.64 ms | 35.61 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.66 ms (baseline: 4.55 ms, -19.6%) ⚠️ sparkline.movingAvg.100: 5.01 ms (baseline: 4.07 ms, +23.2%) sparkline.rdp.100: 4.43 ms (baseline: 3.93 ms, +12.7%) ✓ sparkline.none.1000: 6.17 ms (baseline: 11.37 ms, -45.7%) sparkline.movingAvg.1000: 2.70 ms (baseline: 2.28 ms, +18.4%) sparkline.rdp.1000: 4.11 ms (baseline: 4.53 ms, -9.3%) ✓ sparkline.none.10000: 31.28 ms (baseline: 36.04 ms, -13.2%) ✓ sparkline.movingAvg.10000: 2.08 ms (baseline: 6.03 ms, -65.4%) ✓ sparkline.rdp.10000: 5.47 ms (baseline: 6.80 ms, -19.5%) ⚠️ sparkline.none.50000: 40.91 ms (baseline: 31.23 ms, +31.0%) ⚠️ sparkline.movingAvg.50000: 7.39 ms (baseline: 5.74 ms, +28.8%) ⚠️ sparkline.rdp.50000: 53.07 ms (baseline: 18.93 ms, +180.4%) ✓ sparkline.none.100000: 80.13 ms (baseline: 97.78 ms, -18.1%) ⚠️ sparkline.movingAvg.100000: 13.72 ms (baseline: 5.62 ms, +144.0%) sparkline.rdp.100000: 14.23 ms (baseline: 13.05 ms, +9.0%) sparkline.none.500000: 357.21 ms (baseline: 337.68 ms, +5.8%) ✓ sparkline.movingAvg.500000: 38.14 ms (baseline: 62.91 ms, -39.4%) ⚠️ sparkline.rdp.500000: 77.31 ms (baseline: 57.54 ms, +34.4%) sparkline.none.948423: 669.61 ms (baseline: 676.51 ms, -1.0%) ⚠️ sparkline.movingAvg.948423: 207.61 ms (baseline: 114.69 ms, +81.0%) ✓ sparkline.rdp.948423: 63.37 ms (baseline: 85.45 ms, -25.8%) ⚠️ windrose.aggregation.1000: 1.58 ms (baseline: 849.3 µs, +86.5%) ⚠️ windrose.draw.1000: 3.04 ms (baseline: 1.09 ms, +179.3%) ⚠️ windrose.aggregation.10000: 8.98 ms (baseline: 4.26 ms, +110.8%) ⚠️ windrose.draw.10000: 2.13 ms (baseline: 1.53 ms, +39.3%) windrose.aggregation.50000: 14.43 ms (baseline: 12.87 ms, +12.1%) ✓ windrose.draw.50000: 1.48 ms (baseline: 2.76 ms, -46.3%) ✓ windrose.aggregation.100000: 5.06 ms (baseline: 23.75 ms, -78.7%) ✓ windrose.draw.100000: 958.5 µs (baseline: 3.40 ms, -71.8%) ✓ windrose.aggregation.500000: 19.55 ms (baseline: 60.81 ms, -67.9%) ✓ windrose.draw.500000: 654.9 µs (baseline: 1.39 ms, -52.8%) ✓ windrose.aggregation.948423: 38.78 ms (baseline: 70.98 ms, -45.4%) ⚠️ windrose.draw.948423: 1.24 ms (baseline: 641.4 µs, +93.1%) scaling.none.1x: 16.63 ms (baseline: 15.14 ms, +9.8%) ⚠️ scaling.movingAvg.1x: 4.90 ms (baseline: 2.27 ms, +115.7%) ✓ scaling.rdp.1x: 1.95 ms (baseline: 4.13 ms, -52.8%) ✓ scaling.none.2x: 14.65 ms (baseline: 17.15 ms, -14.6%) ⚠️ scaling.movingAvg.2x: 2.51 ms (baseline: 2.00 ms, +25.2%) ✓ scaling.rdp.2x: 1.54 ms (baseline: 2.97 ms, -48.0%) ⚠️ scaling.none.5x: 40.58 ms (baseline: 31.86 ms, +27.4%) ✓ scaling.movingAvg.5x: 3.33 ms (baseline: 5.11 ms, -34.8%) ⚠️ scaling.rdp.5x: 4.53 ms (baseline: 3.41 ms, +32.6%) ✓ scaling.none.10x: 46.48 ms (baseline: 64.93 ms, -28.4%) ✓ scaling.movingAvg.10x: 5.78 ms (baseline: 7.67 ms, -24.7%) scaling.rdp.10x: 5.26 ms (baseline: 5.59 ms, -5.9%) ✓ scaling.none.20x: 122.93 ms (baseline: 148.12 ms, -17.0%) ⚠️ scaling.movingAvg.20x: 21.47 ms (baseline: 14.97 ms, +43.4%) scaling.rdp.20x: 18.16 ms (baseline: 16.78 ms, +8.2%) ✓ scaling.none.50x: 295.35 ms (baseline: 333.21 ms, -11.4%) scaling.movingAvg.50x: 47.77 ms (baseline: 41.05 ms, +16.4%) ✓ scaling.rdp.50x: 41.45 ms (baseline: 47.88 ms, -13.4%) ✓ multiseries.movingAvg.1series: 5.48 ms (baseline: 10.60 ms, -48.3%) ✓ multiseries.rdp.1series: 3.60 ms (baseline: 5.16 ms, -30.2%) ✓ multiseries.movingAvg.2series: 12.86 ms (baseline: 20.64 ms, -37.7%) ⚠️ multiseries.rdp.2series: 16.67 ms (baseline: 12.42 ms, +34.3%) ⚠️ multiseries.movingAvg.3series: 48.77 ms (baseline: 29.74 ms, +64.0%) ⚠️ multiseries.rdp.3series: 33.50 ms (baseline: 21.73 ms, +54.2%) multiseries.movingAvg.5series: 30.64 ms (baseline: 31.84 ms, -3.8%) multiseries.rdp.5series: 35.61 ms (baseline: 36.75 ms, -3.1%) 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: 45.61 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: 0.027 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: 0.044 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: 22.57 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: 2026-07-26T06:58:05Z [INFO] ------------------------------------------------------------------------