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=25.2.5 -DgenerateBackupPoms=false -B --no-transfer-progress 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: 2.889 s [INFO] Finished at: 2026-08-07T07:03:59Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.5 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress 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 -> 25.2.5 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.557 s [INFO] Finished at: 2026-08-07T07:04:05Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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: 2026-08-07T05:49:40.093077420Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:04:44.260 [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 | 5.63 ms | 5.17 ms | 1.10 ms 1,000 | 10.35 ms | 4.21 ms | 7.83 ms 10,000 | 35.41 ms | 9.29 ms | 28.06 ms 49,871 | 38.72 ms | 5.48 ms | 36.57 ms 97,643 | 42.79 ms | 7.07 ms | 7.95 ms 495,995 | 297.87 ms | 66.86 ms | 37.76 ms 944,282 | 541.06 ms | 108.44 ms | 88.98 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 | 3.18 ms | 2.50 ms | 5.68 ms 10,000 | 1.75 ms | 1.85 ms | 3.60 ms 50,000 | 16.84 ms | 2.30 ms | 19.14 ms 100,000 | 9.67 ms | 1.36 ms | 11.03 ms 500,000 | 54.15 ms | 604.0 µs | 54.75 ms 948,423 | 107.37 ms | 562.5 µs | 107.93 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 | 4.15 ms ( 0.4x) | 559.9 µs ( 0.3x) | 578.0 µs ( 0.2x) 2x | 19,996 | 7.52 ms ( 0.7x) | 992.0 µs ( 0.5x) | 981.0 µs ( 0.3x) 5x | 49,871 | 18.77 ms ( 1.7x) | 2.25 ms ( 1.2x) | 2.27 ms ( 0.7x) 10x | 97,643 | 57.97 ms ( 5.3x) | 5.62 ms ( 3.1x) | 15.87 ms ( 4.9x) 20x | 196,569 | 110.43 ms (10.2x) | 16.41 ms ( 9.1x) | 18.25 ms ( 5.6x) 50x | 495,995 | 300.20 ms (27.7x) | 70.85 ms (39.2x) | 28.27 ms ( 8.7x) 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 | 142.2 µs | 5 | 195.0 µs 10,000 | 5 | 491.0 µs | 5 | 535.3 µs 97,643 | 5 | 11.96 ms | 5 | 10.84 ms 495,995 | 5 | 59.18 ms | 5 | 41.42 ms 944,282 | 5 | 146.59 ms | 5 | 56.94 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 | 5.54 ms | 4.18 ms 2 | 16.59 ms | 34.94 ms 3 | 18.39 ms | 35.41 ms 5 | 46.25 ms | 33.25 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.63 ms (baseline: 3.66 ms, +53.6%) ⚠️ sparkline.movingAvg.100: 5.17 ms (baseline: 2.61 ms, +97.8%) ✓ sparkline.rdp.100: 1.10 ms (baseline: 3.09 ms, -64.4%) ⚠️ sparkline.none.1000: 10.35 ms (baseline: 4.56 ms, +126.9%) ⚠️ sparkline.movingAvg.1000: 4.21 ms (baseline: 3.16 ms, +33.2%) ⚠️ sparkline.rdp.1000: 7.83 ms (baseline: 3.00 ms, +160.7%) ⚠️ sparkline.none.10000: 35.41 ms (baseline: 16.49 ms, +114.8%) ✓ sparkline.movingAvg.10000: 9.29 ms (baseline: 10.52 ms, -11.7%) ⚠️ sparkline.rdp.10000: 28.06 ms (baseline: 14.22 ms, +97.4%) ⚠️ sparkline.none.50000: 38.72 ms (baseline: 22.23 ms, +74.2%) ✓ sparkline.movingAvg.50000: 5.48 ms (baseline: 6.71 ms, -18.3%) sparkline.rdp.50000: 36.57 ms (baseline: 31.03 ms, +17.8%) ✓ sparkline.none.100000: 42.79 ms (baseline: 51.77 ms, -17.3%) ✓ sparkline.movingAvg.100000: 7.07 ms (baseline: 11.57 ms, -38.9%) ✓ sparkline.rdp.100000: 7.95 ms (baseline: 15.89 ms, -49.9%) sparkline.none.500000: 297.87 ms (baseline: 269.91 ms, +10.4%) ⚠️ sparkline.movingAvg.500000: 66.86 ms (baseline: 45.94 ms, +45.5%) ⚠️ sparkline.rdp.500000: 37.76 ms (baseline: 31.32 ms, +20.6%) sparkline.none.948423: 541.06 ms (baseline: 543.37 ms, -0.4%) sparkline.movingAvg.948423: 108.44 ms (baseline: 116.43 ms, -6.9%) ⚠️ sparkline.rdp.948423: 88.98 ms (baseline: 68.97 ms, +29.0%) ⚠️ windrose.aggregation.1000: 3.18 ms (baseline: 1.80 ms, +76.8%) ✓ windrose.draw.1000: 2.50 ms (baseline: 3.86 ms, -35.1%) windrose.aggregation.10000: 1.75 ms (baseline: 1.62 ms, +8.1%) ✓ windrose.draw.10000: 1.85 ms (baseline: 4.29 ms, -56.9%) ⚠️ windrose.aggregation.50000: 16.84 ms (baseline: 8.47 ms, +98.9%) ⚠️ windrose.draw.50000: 2.30 ms (baseline: 608.7 µs, +277.4%) ⚠️ windrose.aggregation.100000: 9.67 ms (baseline: 4.41 ms, +119.3%) ✓ windrose.draw.100000: 1.36 ms (baseline: 1.97 ms, -30.7%) ⚠️ windrose.aggregation.500000: 54.15 ms (baseline: 42.07 ms, +28.7%) windrose.draw.500000: 604.0 µs (baseline: 560.3 µs, +7.8%) ⚠️ windrose.aggregation.948423: 107.37 ms (baseline: 69.47 ms, +54.6%) ✓ windrose.draw.948423: 562.5 µs (baseline: 1.32 ms, -57.3%) ✓ scaling.none.1x: 4.15 ms (baseline: 5.50 ms, -24.5%) ✓ scaling.movingAvg.1x: 559.9 µs (baseline: 3.14 ms, -82.2%) ✓ scaling.rdp.1x: 578.0 µs (baseline: 3.08 ms, -81.2%) ✓ scaling.none.2x: 7.52 ms (baseline: 15.38 ms, -51.1%) ✓ scaling.movingAvg.2x: 992.0 µs (baseline: 3.15 ms, -68.5%) ✓ scaling.rdp.2x: 981.0 µs (baseline: 2.26 ms, -56.5%) ✓ scaling.none.5x: 18.77 ms (baseline: 23.02 ms, -18.5%) ✓ scaling.movingAvg.5x: 2.25 ms (baseline: 5.62 ms, -60.0%) ✓ scaling.rdp.5x: 2.27 ms (baseline: 3.25 ms, -30.1%) ⚠️ scaling.none.10x: 57.97 ms (baseline: 46.78 ms, +23.9%) scaling.movingAvg.10x: 5.62 ms (baseline: 5.59 ms, +0.6%) ⚠️ scaling.rdp.10x: 15.87 ms (baseline: 6.04 ms, +162.9%) scaling.none.20x: 110.43 ms (baseline: 104.97 ms, +5.2%) ⚠️ scaling.movingAvg.20x: 16.41 ms (baseline: 8.71 ms, +88.5%) ⚠️ scaling.rdp.20x: 18.25 ms (baseline: 11.08 ms, +64.7%) scaling.none.50x: 300.20 ms (baseline: 262.24 ms, +14.5%) ⚠️ scaling.movingAvg.50x: 70.85 ms (baseline: 47.79 ms, +48.3%) scaling.rdp.50x: 28.27 ms (baseline: 27.68 ms, +2.1%) multiseries.movingAvg.1series: 5.54 ms (baseline: 4.70 ms, +17.9%) ✓ multiseries.rdp.1series: 4.18 ms (baseline: 5.60 ms, -25.4%) ✓ multiseries.movingAvg.2series: 16.59 ms (baseline: 22.86 ms, -27.4%) ⚠️ multiseries.rdp.2series: 34.94 ms (baseline: 14.08 ms, +148.2%) ✓ multiseries.movingAvg.3series: 18.39 ms (baseline: 22.30 ms, -17.6%) ⚠️ multiseries.rdp.3series: 35.41 ms (baseline: 26.71 ms, +32.6%) multiseries.movingAvg.5series: 46.25 ms (baseline: 43.20 ms, +7.1%) ✓ multiseries.rdp.5series: 33.25 ms (baseline: 40.98 ms, -18.8%) 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: 44.29 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: 0.033 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: 0.026 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: 20.13 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: 01:15 min [INFO] Finished at: 2026-08-07T07:05:32Z [INFO] ------------------------------------------------------------------------