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: 3.085 s [INFO] Finished at: 2026-08-12T22:48:41Z [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: 2.579 s [INFO] Finished at: 2026-08-12T22:48:47Z [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: 2026-08-12T21:45:00.442372348Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:49:27.993 [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 | 3.06 ms | 2.49 ms | 3.30 ms 1,000 | 7.14 ms | 4.51 ms | 3.22 ms 10,000 | 13.49 ms | 3.63 ms | 7.92 ms 49,871 | 41.17 ms | 6.24 ms | 65.53 ms 97,643 | 64.55 ms | 7.35 ms | 5.97 ms 495,995 | 333.46 ms | 59.82 ms | 75.45 ms 944,282 | 531.25 ms | 159.21 ms | 106.08 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 | 481.3 µs | 805.6 µs | 1.29 ms 10,000 | 3.12 ms | 2.06 ms | 5.18 ms 50,000 | 10.59 ms | 1.77 ms | 12.36 ms 100,000 | 11.74 ms | 1.66 ms | 13.40 ms 500,000 | 48.29 ms | 2.86 ms | 51.15 ms 948,423 | 72.00 ms | 3.72 ms | 75.72 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 | 13.08 ms ( 1.4x) | 1.92 ms ( 2.5x) | 1.17 ms ( 1.2x) 2x | 19,996 | 22.48 ms ( 2.4x) | 2.63 ms ( 3.4x) | 2.42 ms ( 2.5x) 5x | 49,871 | 21.86 ms ( 2.3x) | 5.17 ms ( 6.7x) | 3.13 ms ( 3.2x) 10x | 97,643 | 48.98 ms ( 5.2x) | 10.19 ms (13.3x) | 4.61 ms ( 4.7x) 20x | 196,569 | 124.70 ms (13.3x) | 13.26 ms (17.3x) | 9.62 ms ( 9.8x) 50x | 495,995 | 228.79 ms (24.4x) | 38.98 ms (50.8x) | 81.85 ms (83.0x) 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 | 248.9 µs | 5 | 2.71 ms 10,000 | 5 | 2.20 ms | 5 | 2.33 ms 97,643 | 5 | 6.73 ms | 5 | 3.66 ms 495,995 | 5 | 49.80 ms | 5 | 55.65 ms 944,282 | 5 | 115.18 ms | 5 | 109.23 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 | 10.17 ms | 4.23 ms 2 | 20.99 ms | 19.50 ms 3 | 23.93 ms | 24.58 ms 5 | 26.75 ms | 40.97 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.06 ms (baseline: 1.12 ms, +172.9%) ⚠️ sparkline.movingAvg.100: 2.49 ms (baseline: 1.41 ms, +76.5%) ⚠️ sparkline.rdp.100: 3.30 ms (baseline: 881.0 µs, +274.0%) ⚠️ sparkline.none.1000: 7.14 ms (baseline: 2.38 ms, +199.7%) ⚠️ sparkline.movingAvg.1000: 4.51 ms (baseline: 1.18 ms, +282.1%) ⚠️ sparkline.rdp.1000: 3.22 ms (baseline: 1.83 ms, +75.5%) sparkline.none.10000: 13.49 ms (baseline: 11.74 ms, +14.9%) ⚠️ sparkline.movingAvg.10000: 3.63 ms (baseline: 2.52 ms, +44.0%) sparkline.rdp.10000: 7.92 ms (baseline: 7.57 ms, +4.6%) ⚠️ sparkline.none.50000: 41.17 ms (baseline: 22.86 ms, +80.1%) ⚠️ sparkline.movingAvg.50000: 6.24 ms (baseline: 2.61 ms, +139.7%) ⚠️ sparkline.rdp.50000: 65.53 ms (baseline: 3.50 ms, +1773.0%) ⚠️ sparkline.none.100000: 64.55 ms (baseline: 33.58 ms, +92.2%) ⚠️ sparkline.movingAvg.100000: 7.35 ms (baseline: 4.83 ms, +52.2%) ✓ sparkline.rdp.100000: 5.97 ms (baseline: 6.93 ms, -13.8%) ⚠️ sparkline.none.500000: 333.46 ms (baseline: 204.57 ms, +63.0%) ⚠️ sparkline.movingAvg.500000: 59.82 ms (baseline: 34.09 ms, +75.5%) ⚠️ sparkline.rdp.500000: 75.45 ms (baseline: 39.08 ms, +93.1%) ⚠️ sparkline.none.948423: 531.25 ms (baseline: 356.82 ms, +48.9%) ⚠️ sparkline.movingAvg.948423: 159.21 ms (baseline: 85.82 ms, +85.5%) sparkline.rdp.948423: 106.08 ms (baseline: 95.76 ms, +10.8%) windrose.aggregation.1000: 481.3 µs (baseline: 454.5 µs, +5.9%) windrose.draw.1000: 805.6 µs (baseline: 789.9 µs, +2.0%) ⚠️ windrose.aggregation.10000: 3.12 ms (baseline: 1.65 ms, +89.0%) ⚠️ windrose.draw.10000: 2.06 ms (baseline: 519.0 µs, +296.5%) windrose.aggregation.50000: 10.59 ms (baseline: 9.11 ms, +16.3%) ⚠️ windrose.draw.50000: 1.77 ms (baseline: 950.6 µs, +86.3%) ⚠️ windrose.aggregation.100000: 11.74 ms (baseline: 4.52 ms, +160.0%) ⚠️ windrose.draw.100000: 1.66 ms (baseline: 520.4 µs, +218.6%) ⚠️ windrose.aggregation.500000: 48.29 ms (baseline: 19.52 ms, +147.3%) ⚠️ windrose.draw.500000: 2.86 ms (baseline: 552.4 µs, +416.8%) ⚠️ windrose.aggregation.948423: 72.00 ms (baseline: 36.88 ms, +95.2%) ⚠️ windrose.draw.948423: 3.72 ms (baseline: 531.3 µs, +601.1%) ⚠️ scaling.none.1x: 13.08 ms (baseline: 4.40 ms, +197.2%) scaling.movingAvg.1x: 1.92 ms (baseline: 1.61 ms, +18.9%) ✓ scaling.rdp.1x: 1.17 ms (baseline: 1.34 ms, -13.1%) ⚠️ scaling.none.2x: 22.48 ms (baseline: 7.37 ms, +205.2%) ⚠️ scaling.movingAvg.2x: 2.63 ms (baseline: 1.09 ms, +141.2%) ⚠️ scaling.rdp.2x: 2.42 ms (baseline: 994.4 µs, +143.1%) ⚠️ scaling.none.5x: 21.86 ms (baseline: 16.79 ms, +30.2%) ⚠️ scaling.movingAvg.5x: 5.17 ms (baseline: 2.49 ms, +107.7%) scaling.rdp.5x: 3.13 ms (baseline: 2.79 ms, +12.2%) ⚠️ scaling.none.10x: 48.98 ms (baseline: 32.43 ms, +51.0%) ⚠️ scaling.movingAvg.10x: 10.19 ms (baseline: 4.11 ms, +147.9%) scaling.rdp.10x: 4.61 ms (baseline: 4.20 ms, +9.8%) ⚠️ scaling.none.20x: 124.70 ms (baseline: 66.02 ms, +88.9%) ⚠️ scaling.movingAvg.20x: 13.26 ms (baseline: 9.22 ms, +43.8%) scaling.rdp.20x: 9.62 ms (baseline: 9.47 ms, +1.6%) scaling.none.50x: 228.79 ms (baseline: 213.24 ms, +7.3%) ⚠️ scaling.movingAvg.50x: 38.98 ms (baseline: 29.44 ms, +32.4%) ⚠️ scaling.rdp.50x: 81.85 ms (baseline: 46.61 ms, +75.6%) ⚠️ multiseries.movingAvg.1series: 10.17 ms (baseline: 4.74 ms, +114.6%) multiseries.rdp.1series: 4.23 ms (baseline: 4.37 ms, -3.2%) ⚠️ multiseries.movingAvg.2series: 20.99 ms (baseline: 8.87 ms, +136.5%) ⚠️ multiseries.rdp.2series: 19.50 ms (baseline: 14.69 ms, +32.8%) ⚠️ multiseries.movingAvg.3series: 23.93 ms (baseline: 14.12 ms, +69.4%) multiseries.rdp.3series: 24.58 ms (baseline: 21.56 ms, +14.0%) ⚠️ multiseries.movingAvg.5series: 26.75 ms (baseline: 21.11 ms, +26.7%) multiseries.rdp.5series: 40.97 ms (baseline: 39.11 ms, +4.8%) 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: 44.86 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: 0.021 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: 0.024 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: 22.12 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: 01:18 min [INFO] Finished at: 2026-08-12T22:50:17Z [INFO] ------------------------------------------------------------------------