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: 2.902 s [INFO] Finished at: 2026-08-12T08:25:39Z [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: 2.551 s [INFO] Finished at: 2026-08-12T08:25:45Z [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: 2026-08-12T07:12:05.404443864Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 08:26:26.723 [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 | 2.35 ms | 2.74 ms | 1.32 ms 1,000 | 3.79 ms | 3.01 ms | 1.90 ms 10,000 | 22.82 ms | 5.27 ms | 9.65 ms 49,871 | 34.32 ms | 7.76 ms | 34.89 ms 97,643 | 44.82 ms | 4.91 ms | 16.47 ms 495,995 | 301.74 ms | 32.86 ms | 59.45 ms 944,282 | 549.00 ms | 136.58 ms | 105.89 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 | 441.3 µs | 756.4 µs | 1.20 ms 10,000 | 2.13 ms | 736.3 µs | 2.87 ms 50,000 | 8.25 ms | 764.4 µs | 9.02 ms 100,000 | 32.20 ms | 937.2 µs | 33.14 ms 500,000 | 15.96 ms | 750.2 µs | 16.71 ms 948,423 | 29.98 ms | 599.7 µs | 30.58 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 | 7.09 ms ( 0.8x) | 1.16 ms ( 1.0x) | 2.31 ms ( 1.2x) 2x | 19,996 | 15.97 ms ( 1.9x) | 3.06 ms ( 2.6x) | 2.94 ms ( 1.6x) 5x | 49,871 | 23.89 ms ( 2.9x) | 2.58 ms ( 2.2x) | 4.98 ms ( 2.7x) 10x | 97,643 | 46.96 ms ( 5.6x) | 8.67 ms ( 7.3x) | 4.60 ms ( 2.5x) 20x | 196,569 | 109.97 ms (13.2x) | 9.49 ms ( 8.0x) | 13.37 ms ( 7.2x) 50x | 495,995 | 245.51 ms (29.4x) | 48.08 ms (40.4x) | 73.90 ms (39.8x) 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 | 426.6 µs | 5 | 1.90 ms 10,000 | 5 | 1.24 ms | 5 | 603.2 µs 97,643 | 5 | 5.71 ms | 5 | 6.11 ms 495,995 | 5 | 64.94 ms | 5 | 55.02 ms 944,282 | 5 | 176.08 ms | 5 | 91.01 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 | 9.30 ms | 10.36 ms 2 | 16.14 ms | 23.72 ms 3 | 17.34 ms | 27.46 ms 5 | 35.04 ms | 48.25 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.35 ms (baseline: 5.05 ms, -53.5%) sparkline.movingAvg.100: 2.74 ms (baseline: 2.57 ms, +6.6%) ✓ sparkline.rdp.100: 1.32 ms (baseline: 3.40 ms, -61.3%) ✓ sparkline.none.1000: 3.79 ms (baseline: 7.32 ms, -48.2%) sparkline.movingAvg.1000: 3.01 ms (baseline: 3.31 ms, -9.2%) ✓ sparkline.rdp.1000: 1.90 ms (baseline: 4.99 ms, -62.0%) ⚠️ sparkline.none.10000: 22.82 ms (baseline: 15.93 ms, +43.3%) ✓ sparkline.movingAvg.10000: 5.27 ms (baseline: 7.15 ms, -26.2%) ✓ sparkline.rdp.10000: 9.65 ms (baseline: 25.90 ms, -62.8%) sparkline.none.50000: 34.32 ms (baseline: 29.01 ms, +18.3%) ⚠️ sparkline.movingAvg.50000: 7.76 ms (baseline: 5.29 ms, +46.8%) ⚠️ sparkline.rdp.50000: 34.89 ms (baseline: 27.10 ms, +28.7%) ✓ sparkline.none.100000: 44.82 ms (baseline: 74.09 ms, -39.5%) ✓ sparkline.movingAvg.100000: 4.91 ms (baseline: 8.98 ms, -45.3%) ⚠️ sparkline.rdp.100000: 16.47 ms (baseline: 5.74 ms, +186.7%) sparkline.none.500000: 301.74 ms (baseline: 275.73 ms, +9.4%) sparkline.movingAvg.500000: 32.86 ms (baseline: 29.06 ms, +13.1%) ⚠️ sparkline.rdp.500000: 59.45 ms (baseline: 42.31 ms, +40.5%) ⚠️ sparkline.none.948423: 549.00 ms (baseline: 440.03 ms, +24.8%) ⚠️ sparkline.movingAvg.948423: 136.58 ms (baseline: 108.71 ms, +25.6%) sparkline.rdp.948423: 105.89 ms (baseline: 104.62 ms, +1.2%) windrose.aggregation.1000: 441.3 µs (baseline: 443.2 µs, -0.4%) ✓ windrose.draw.1000: 756.4 µs (baseline: 3.50 ms, -78.4%) ✓ windrose.aggregation.10000: 2.13 ms (baseline: 7.10 ms, -69.9%) ✓ windrose.draw.10000: 736.3 µs (baseline: 1.39 ms, -47.2%) ✓ windrose.aggregation.50000: 8.25 ms (baseline: 18.53 ms, -55.5%) ✓ windrose.draw.50000: 764.4 µs (baseline: 4.01 ms, -80.9%) ⚠️ windrose.aggregation.100000: 32.20 ms (baseline: 12.72 ms, +153.1%) ✓ windrose.draw.100000: 937.2 µs (baseline: 1.83 ms, -48.9%) ✓ windrose.aggregation.500000: 15.96 ms (baseline: 48.72 ms, -67.2%) ✓ windrose.draw.500000: 750.2 µs (baseline: 1.15 ms, -34.7%) ✓ windrose.aggregation.948423: 29.98 ms (baseline: 97.14 ms, -69.1%) ✓ windrose.draw.948423: 599.7 µs (baseline: 1.81 ms, -67.0%) ✓ scaling.none.1x: 7.09 ms (baseline: 11.42 ms, -37.9%) ⚠️ scaling.movingAvg.1x: 1.16 ms (baseline: 576.3 µs, +101.7%) ⚠️ scaling.rdp.1x: 2.31 ms (baseline: 657.1 µs, +251.6%) scaling.none.2x: 15.97 ms (baseline: 17.69 ms, -9.7%) ⚠️ scaling.movingAvg.2x: 3.06 ms (baseline: 1.44 ms, +112.8%) ⚠️ scaling.rdp.2x: 2.94 ms (baseline: 1.05 ms, +181.2%) scaling.none.5x: 23.89 ms (baseline: 24.15 ms, -1.1%) ✓ scaling.movingAvg.5x: 2.58 ms (baseline: 10.75 ms, -76.0%) scaling.rdp.5x: 4.98 ms (baseline: 5.09 ms, -2.3%) ⚠️ scaling.none.10x: 46.96 ms (baseline: 37.29 ms, +25.9%) ⚠️ scaling.movingAvg.10x: 8.67 ms (baseline: 5.45 ms, +59.1%) scaling.rdp.10x: 4.60 ms (baseline: 4.01 ms, +14.7%) scaling.none.20x: 109.97 ms (baseline: 108.38 ms, +1.5%) ✓ scaling.movingAvg.20x: 9.49 ms (baseline: 16.95 ms, -44.0%) scaling.rdp.20x: 13.37 ms (baseline: 14.67 ms, -8.8%) ✓ scaling.none.50x: 245.51 ms (baseline: 303.36 ms, -19.1%) ⚠️ scaling.movingAvg.50x: 48.08 ms (baseline: 32.76 ms, +46.8%) ⚠️ scaling.rdp.50x: 73.90 ms (baseline: 34.78 ms, +112.5%) multiseries.movingAvg.1series: 9.30 ms (baseline: 9.92 ms, -6.2%) multiseries.rdp.1series: 10.36 ms (baseline: 8.97 ms, +15.5%) ✓ multiseries.movingAvg.2series: 16.14 ms (baseline: 20.18 ms, -20.0%) ✓ multiseries.rdp.2series: 23.72 ms (baseline: 27.51 ms, -13.8%) ✓ multiseries.movingAvg.3series: 17.34 ms (baseline: 44.93 ms, -61.4%) ✓ multiseries.rdp.3series: 27.46 ms (baseline: 40.23 ms, -31.7%) ⚠️ multiseries.movingAvg.5series: 35.04 ms (baseline: 22.98 ms, +52.5%) multiseries.rdp.5series: 48.25 ms (baseline: 41.02 ms, +17.6%) 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: 44.75 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: 0.056 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: 0.076 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: 19.48 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: 01:16 min [INFO] Finished at: 2026-08-12T08:27:13Z [INFO] ------------------------------------------------------------------------