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=25.3-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: 1.185 s [INFO] Finished at: 2026-08-07T21:36:51Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3-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 -> 25.3-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.057 s [INFO] Finished at: 2026-08-07T21:36:54Z [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 6.8.0-136-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-07T20:00:30.076461526Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 21:37:17.713 [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 | 1.58 ms | 2.82 ms | 2.01 ms 1,000 | 4.43 ms | 1.91 ms | 3.80 ms 10,000 | 13.01 ms | 2.47 ms | 3.81 ms 49,871 | 19.25 ms | 3.25 ms | 13.69 ms 97,643 | 34.30 ms | 5.47 ms | 16.78 ms 495,995 | 185.10 ms | 38.89 ms | 28.04 ms 944,282 | 343.57 ms | 94.13 ms | 71.44 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 | 605.0 µs | 1.42 ms | 2.02 ms 10,000 | 2.70 ms | 2.19 ms | 4.88 ms 50,000 | 14.24 ms | 1.56 ms | 15.80 ms 100,000 | 8.77 ms | 817.4 µs | 9.59 ms 500,000 | 17.24 ms | 622.4 µs | 17.87 ms 948,423 | 34.28 ms | 679.2 µs | 34.96 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 | 4.05 ms ( 0.8x) | 1.33 ms ( 1.6x) | 728.7 µs ( 0.1x) 2x | 19,996 | 6.72 ms ( 1.3x) | 2.50 ms ( 2.9x) | 1.58 ms ( 0.2x) 5x | 49,871 | 18.27 ms ( 3.4x) | 2.68 ms ( 3.2x) | 7.39 ms ( 1.1x) 10x | 97,643 | 35.09 ms ( 6.5x) | 6.87 ms ( 8.1x) | 6.78 ms ( 1.0x) 20x | 196,569 | 68.20 ms (12.7x) | 11.14 ms (13.1x) | 9.33 ms ( 1.4x) 50x | 495,995 | 199.58 ms (37.2x) | 37.49 ms (44.0x) | 29.21 ms ( 4.3x) 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 | 161.8 µs | 5 | 204.0 µs 10,000 | 5 | 628.6 µs | 5 | 567.3 µs 97,643 | 5 | 5.41 ms | 5 | 5.08 ms 495,995 | 5 | 45.37 ms | 5 | 27.24 ms 944,282 | 5 | 93.65 ms | 5 | 54.17 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 | 6.03 ms | 5.52 ms 2 | 9.57 ms | 12.00 ms 3 | 13.37 ms | 20.42 ms 5 | 22.89 ms | 33.43 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.58 ms (baseline: 4.02 ms, -60.5%) sparkline.movingAvg.100: 2.82 ms (baseline: 2.79 ms, +1.0%) ✓ sparkline.rdp.100: 2.01 ms (baseline: 4.00 ms, -49.7%) ✓ sparkline.none.1000: 4.43 ms (baseline: 9.82 ms, -54.9%) ✓ sparkline.movingAvg.1000: 1.91 ms (baseline: 4.59 ms, -58.4%) ✓ sparkline.rdp.1000: 3.80 ms (baseline: 6.14 ms, -38.1%) ✓ sparkline.none.10000: 13.01 ms (baseline: 34.41 ms, -62.2%) ⚠️ sparkline.movingAvg.10000: 2.47 ms (baseline: 1.34 ms, +85.3%) ✓ sparkline.rdp.10000: 3.81 ms (baseline: 22.90 ms, -83.4%) ✓ sparkline.none.50000: 19.25 ms (baseline: 58.49 ms, -67.1%) ✓ sparkline.movingAvg.50000: 3.25 ms (baseline: 9.27 ms, -65.0%) ⚠️ sparkline.rdp.50000: 13.69 ms (baseline: 8.59 ms, +59.4%) ✓ sparkline.none.100000: 34.30 ms (baseline: 57.92 ms, -40.8%) ✓ sparkline.movingAvg.100000: 5.47 ms (baseline: 7.47 ms, -26.7%) ⚠️ sparkline.rdp.100000: 16.78 ms (baseline: 13.06 ms, +28.5%) ✓ sparkline.none.500000: 185.10 ms (baseline: 307.79 ms, -39.9%) sparkline.movingAvg.500000: 38.89 ms (baseline: 33.71 ms, +15.4%) ✓ sparkline.rdp.500000: 28.04 ms (baseline: 31.77 ms, -11.7%) ✓ sparkline.none.948423: 343.57 ms (baseline: 541.78 ms, -36.6%) ✓ sparkline.movingAvg.948423: 94.13 ms (baseline: 134.85 ms, -30.2%) ✓ sparkline.rdp.948423: 71.44 ms (baseline: 155.68 ms, -54.1%) windrose.aggregation.1000: 605.0 µs (baseline: 541.8 µs, +11.7%) ✓ windrose.draw.1000: 1.42 ms (baseline: 1.96 ms, -27.9%) ⚠️ windrose.aggregation.10000: 2.70 ms (baseline: 2.03 ms, +32.7%) ⚠️ windrose.draw.10000: 2.19 ms (baseline: 1.52 ms, +44.3%) ✓ windrose.aggregation.50000: 14.24 ms (baseline: 21.46 ms, -33.7%) ✓ windrose.draw.50000: 1.56 ms (baseline: 2.79 ms, -44.1%) ✓ windrose.aggregation.100000: 8.77 ms (baseline: 16.24 ms, -46.0%) ✓ windrose.draw.100000: 817.4 µs (baseline: 1.08 ms, -24.4%) ✓ windrose.aggregation.500000: 17.24 ms (baseline: 35.23 ms, -51.1%) ✓ windrose.draw.500000: 622.4 µs (baseline: 1.14 ms, -45.2%) ✓ windrose.aggregation.948423: 34.28 ms (baseline: 99.09 ms, -65.4%) windrose.draw.948423: 679.2 µs (baseline: 682.5 µs, -0.5%) ✓ scaling.none.1x: 4.05 ms (baseline: 4.74 ms, -14.6%) ⚠️ scaling.movingAvg.1x: 1.33 ms (baseline: 598.8 µs, +121.7%) ⚠️ scaling.rdp.1x: 728.7 µs (baseline: 599.4 µs, +21.6%) ✓ scaling.none.2x: 6.72 ms (baseline: 8.61 ms, -21.9%) scaling.movingAvg.2x: 2.50 ms (baseline: 2.40 ms, +4.4%) scaling.rdp.2x: 1.58 ms (baseline: 1.71 ms, -7.7%) ✓ scaling.none.5x: 18.27 ms (baseline: 32.85 ms, -44.4%) scaling.movingAvg.5x: 2.68 ms (baseline: 2.34 ms, +14.7%) ⚠️ scaling.rdp.5x: 7.39 ms (baseline: 2.46 ms, +201.1%) scaling.none.10x: 35.09 ms (baseline: 37.39 ms, -6.1%) scaling.movingAvg.10x: 6.87 ms (baseline: 5.75 ms, +19.5%) scaling.rdp.10x: 6.78 ms (baseline: 5.91 ms, +14.6%) ✓ scaling.none.20x: 68.20 ms (baseline: 102.82 ms, -33.7%) ⚠️ scaling.movingAvg.20x: 11.14 ms (baseline: 8.88 ms, +25.5%) ✓ scaling.rdp.20x: 9.33 ms (baseline: 10.37 ms, -10.0%) ✓ scaling.none.50x: 199.58 ms (baseline: 229.05 ms, -12.9%) scaling.movingAvg.50x: 37.49 ms (baseline: 34.73 ms, +7.9%) ✓ scaling.rdp.50x: 29.21 ms (baseline: 80.94 ms, -63.9%) multiseries.movingAvg.1series: 6.03 ms (baseline: 5.72 ms, +5.4%) ⚠️ multiseries.rdp.1series: 5.52 ms (baseline: 4.54 ms, +21.6%) ✓ multiseries.movingAvg.2series: 9.57 ms (baseline: 11.42 ms, -16.2%) ✓ multiseries.rdp.2series: 12.00 ms (baseline: 22.19 ms, -45.9%) ✓ multiseries.movingAvg.3series: 13.37 ms (baseline: 22.59 ms, -40.8%) ✓ multiseries.rdp.3series: 20.42 ms (baseline: 31.38 ms, -34.9%) ✓ multiseries.movingAvg.5series: 22.89 ms (baseline: 29.47 ms, -22.3%) ✓ multiseries.rdp.5series: 33.43 ms (baseline: 39.66 ms, -15.7%) 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: 29.13 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: 0.008 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: 0.010 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: 13.03 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: 47.511 s [INFO] Finished at: 2026-08-07T21:37:47Z [INFO] ------------------------------------------------------------------------