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: 2.656 s [INFO] Finished at: 2026-08-09T22:39:24Z [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: 2.775 s [INFO] Finished at: 2026-08-09T22:39:31Z [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: 2026-08-09T21:31:28.637117163Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:40:12.943 [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 | 3.43 ms | 3.65 ms | 2.00 ms 1,000 | 4.95 ms | 1.20 ms | 1.38 ms 10,000 | 17.16 ms | 3.54 ms | 7.93 ms 49,871 | 22.23 ms | 7.65 ms | 68.48 ms 97,643 | 55.20 ms | 5.50 ms | 15.04 ms 495,995 | 265.89 ms | 84.54 ms | 48.15 ms 944,282 | 547.35 ms | 103.61 ms | 121.40 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 | 425.7 µs | 1.12 ms | 1.54 ms 10,000 | 1.66 ms | 777.3 µs | 2.43 ms 50,000 | 24.46 ms | 1.87 ms | 26.33 ms 100,000 | 15.20 ms | 1.49 ms | 16.70 ms 500,000 | 90.14 ms | 489.1 µs | 90.63 ms 948,423 | 53.95 ms | 12.90 ms | 66.85 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 | 12.21 ms ( 1.7x) | 3.90 ms ( 2.5x) | 1.88 ms ( 1.1x) 2x | 19,996 | 16.87 ms ( 2.3x) | 1.26 ms ( 0.8x) | 951.2 µs ( 0.5x) 5x | 49,871 | 16.79 ms ( 2.3x) | 3.30 ms ( 2.1x) | 3.41 ms ( 1.9x) 10x | 97,643 | 45.51 ms ( 6.2x) | 9.02 ms ( 5.7x) | 11.95 ms ( 6.7x) 20x | 196,569 | 93.57 ms (12.8x) | 10.49 ms ( 6.6x) | 16.38 ms ( 9.2x) 50x | 495,995 | 281.68 ms (38.4x) | 52.50 ms (33.1x) | 24.76 ms (13.9x) 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 | 317.0 µs | 5 | 783.4 µs 10,000 | 5 | 645.5 µs | 5 | 525.7 µs 97,643 | 5 | 6.74 ms | 5 | 4.25 ms 495,995 | 5 | 52.15 ms | 5 | 26.33 ms 944,282 | 5 | 149.24 ms | 5 | 78.29 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 | 6.28 ms | 5.68 ms 2 | 15.98 ms | 11.09 ms 3 | 16.52 ms | 23.30 ms 5 | 25.22 ms | 69.19 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.43 ms (baseline: 1.80 ms, +90.2%) ⚠️ sparkline.movingAvg.100: 3.65 ms (baseline: 2.65 ms, +37.5%) ⚠️ sparkline.rdp.100: 2.00 ms (baseline: 1.12 ms, +79.2%) ⚠️ sparkline.none.1000: 4.95 ms (baseline: 3.12 ms, +58.4%) sparkline.movingAvg.1000: 1.20 ms (baseline: 1.18 ms, +1.7%) ✓ sparkline.rdp.1000: 1.38 ms (baseline: 2.44 ms, -43.4%) ⚠️ sparkline.none.10000: 17.16 ms (baseline: 12.38 ms, +38.6%) sparkline.movingAvg.10000: 3.54 ms (baseline: 3.46 ms, +2.3%) ✓ sparkline.rdp.10000: 7.93 ms (baseline: 10.41 ms, -23.8%) ⚠️ sparkline.none.50000: 22.23 ms (baseline: 18.24 ms, +21.9%) ⚠️ sparkline.movingAvg.50000: 7.65 ms (baseline: 2.47 ms, +209.5%) ⚠️ sparkline.rdp.50000: 68.48 ms (baseline: 5.08 ms, +1246.8%) ⚠️ sparkline.none.100000: 55.20 ms (baseline: 34.34 ms, +60.8%) ⚠️ sparkline.movingAvg.100000: 5.50 ms (baseline: 4.38 ms, +25.5%) ⚠️ sparkline.rdp.100000: 15.04 ms (baseline: 5.08 ms, +195.8%) ⚠️ sparkline.none.500000: 265.89 ms (baseline: 185.88 ms, +43.0%) ⚠️ sparkline.movingAvg.500000: 84.54 ms (baseline: 25.30 ms, +234.2%) ⚠️ sparkline.rdp.500000: 48.15 ms (baseline: 31.05 ms, +55.1%) ⚠️ sparkline.none.948423: 547.35 ms (baseline: 346.32 ms, +58.0%) sparkline.movingAvg.948423: 103.61 ms (baseline: 86.81 ms, +19.3%) ⚠️ sparkline.rdp.948423: 121.40 ms (baseline: 63.43 ms, +91.4%) windrose.aggregation.1000: 425.7 µs (baseline: 437.2 µs, -2.6%) ✓ windrose.draw.1000: 1.12 ms (baseline: 1.47 ms, -23.7%) ✓ windrose.aggregation.10000: 1.66 ms (baseline: 2.78 ms, -40.4%) ⚠️ windrose.draw.10000: 777.3 µs (baseline: 624.4 µs, +24.5%) ⚠️ windrose.aggregation.50000: 24.46 ms (baseline: 7.89 ms, +210.0%) ⚠️ windrose.draw.50000: 1.87 ms (baseline: 626.4 µs, +198.5%) ⚠️ windrose.aggregation.100000: 15.20 ms (baseline: 4.49 ms, +238.8%) ⚠️ windrose.draw.100000: 1.49 ms (baseline: 538.5 µs, +177.5%) ⚠️ windrose.aggregation.500000: 90.14 ms (baseline: 18.43 ms, +389.0%) ✓ windrose.draw.500000: 489.1 µs (baseline: 1.57 ms, -68.9%) ⚠️ windrose.aggregation.948423: 53.95 ms (baseline: 37.03 ms, +45.7%) ⚠️ windrose.draw.948423: 12.90 ms (baseline: 751.7 µs, +1616.7%) ⚠️ scaling.none.1x: 12.21 ms (baseline: 3.55 ms, +244.2%) ⚠️ scaling.movingAvg.1x: 3.90 ms (baseline: 562.8 µs, +592.7%) ⚠️ scaling.rdp.1x: 1.88 ms (baseline: 668.0 µs, +182.1%) ⚠️ scaling.none.2x: 16.87 ms (baseline: 7.24 ms, +133.1%) ⚠️ scaling.movingAvg.2x: 1.26 ms (baseline: 987.1 µs, +27.8%) scaling.rdp.2x: 951.2 µs (baseline: 962.4 µs, -1.2%) scaling.none.5x: 16.79 ms (baseline: 16.26 ms, +3.3%) ⚠️ scaling.movingAvg.5x: 3.30 ms (baseline: 2.14 ms, +54.1%) scaling.rdp.5x: 3.41 ms (baseline: 2.91 ms, +17.2%) ⚠️ scaling.none.10x: 45.51 ms (baseline: 33.12 ms, +37.4%) ⚠️ scaling.movingAvg.10x: 9.02 ms (baseline: 4.27 ms, +110.9%) ⚠️ scaling.rdp.10x: 11.95 ms (baseline: 3.99 ms, +199.5%) ⚠️ scaling.none.20x: 93.57 ms (baseline: 65.50 ms, +42.9%) ⚠️ scaling.movingAvg.20x: 10.49 ms (baseline: 8.15 ms, +28.8%) ⚠️ scaling.rdp.20x: 16.38 ms (baseline: 12.86 ms, +27.4%) ⚠️ scaling.none.50x: 281.68 ms (baseline: 175.90 ms, +60.1%) ⚠️ scaling.movingAvg.50x: 52.50 ms (baseline: 24.11 ms, +117.8%) scaling.rdp.50x: 24.76 ms (baseline: 22.61 ms, +9.5%) ⚠️ multiseries.movingAvg.1series: 6.28 ms (baseline: 5.18 ms, +21.2%) multiseries.rdp.1series: 5.68 ms (baseline: 4.96 ms, +14.3%) ⚠️ multiseries.movingAvg.2series: 15.98 ms (baseline: 8.49 ms, +88.3%) multiseries.rdp.2series: 11.09 ms (baseline: 11.51 ms, -3.6%) ⚠️ multiseries.movingAvg.3series: 16.52 ms (baseline: 12.46 ms, +32.5%) multiseries.rdp.3series: 23.30 ms (baseline: 22.03 ms, +5.7%) multiseries.movingAvg.5series: 25.22 ms (baseline: 24.69 ms, +2.2%) ⚠️ multiseries.rdp.5series: 69.19 ms (baseline: 33.70 ms, +105.3%) 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: 44.47 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: 0.019 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: 0.035 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: 19.61 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: 2026-08-09T22:40:59Z [INFO] ------------------------------------------------------------------------