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=25.2.0 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.691 s [INFO] Finished at: 2026-06-26T07:16:40Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.0 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.2.0 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.369 s [INFO] Finished at: 2026-06-26T07:16:45Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -DskipPerformanceValidation=true [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 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-26T05:39:14.525222436Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:17:20.248 [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 | 4.09 ms | 4.15 ms | 2.05 ms 1,000 | 4.17 ms | 4.43 ms | 1.38 ms 10,000 | 24.24 ms | 1.02 ms | 10.81 ms 49,871 | 48.01 ms | 3.83 ms | 95.74 ms 97,643 | 141.49 ms | 8.07 ms | 13.29 ms 495,995 | 347.79 ms | 42.02 ms | 23.75 ms 944,282 | 575.46 ms | 115.82 ms | 155.42 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 | 416.0 µs | 1.55 ms | 1.96 ms 10,000 | 3.83 ms | 1.71 ms | 5.54 ms 50,000 | 12.99 ms | 1.41 ms | 14.40 ms 100,000 | 21.23 ms | 1.22 ms | 22.46 ms 500,000 | 26.36 ms | 921.8 µs | 27.28 ms 948,423 | 94.65 ms | 722.5 µs | 95.38 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 | 10.03 ms ( 0.5x) | 1.57 ms ( 0.5x) | 1.44 ms ( 0.5x) 2x | 19,996 | 9.25 ms ( 0.4x) | 2.06 ms ( 0.6x) | 901.2 µs ( 0.3x) 5x | 49,871 | 32.23 ms ( 1.5x) | 3.60 ms ( 1.1x) | 3.83 ms ( 1.3x) 10x | 97,643 | 75.83 ms ( 3.5x) | 13.12 ms ( 3.9x) | 7.60 ms ( 2.6x) 20x | 196,569 | 117.44 ms ( 5.5x) | 12.36 ms ( 3.7x) | 8.84 ms ( 3.0x) 50x | 495,995 | 328.17 ms (15.3x) | 57.34 ms (17.0x) | 25.97 ms ( 8.9x) 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 | 154.4 µs | 5 | 203.5 µs 10,000 | 5 | 2.09 ms | 5 | 1.16 ms 97,643 | 5 | 6.34 ms | 5 | 3.43 ms 495,995 | 5 | 52.75 ms | 5 | 40.16 ms 944,282 | 5 | 136.93 ms | 5 | 108.90 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 | 11.83 ms | 12.05 ms 2 | 16.76 ms | 8.64 ms 3 | 16.50 ms | 13.61 ms 5 | 29.01 ms | 31.63 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 4.09 ms (baseline: 4.21 ms, -2.8%) sparkline.movingAvg.100: 4.15 ms (baseline: 4.20 ms, -1.2%) ⚠️ sparkline.rdp.100: 2.05 ms (baseline: 1.70 ms, +20.6%) ✓ sparkline.none.1000: 4.17 ms (baseline: 6.08 ms, -31.5%) ⚠️ sparkline.movingAvg.1000: 4.43 ms (baseline: 3.31 ms, +33.9%) ✓ sparkline.rdp.1000: 1.38 ms (baseline: 4.54 ms, -69.5%) ✓ sparkline.none.10000: 24.24 ms (baseline: 31.50 ms, -23.0%) ✓ sparkline.movingAvg.10000: 1.02 ms (baseline: 5.22 ms, -80.5%) ⚠️ sparkline.rdp.10000: 10.81 ms (baseline: 7.62 ms, +41.9%) sparkline.none.50000: 48.01 ms (baseline: 42.98 ms, +11.7%) ⚠️ sparkline.movingAvg.50000: 3.83 ms (baseline: 3.14 ms, +21.8%) ⚠️ sparkline.rdp.50000: 95.74 ms (baseline: 43.83 ms, +118.4%) ⚠️ sparkline.none.100000: 141.49 ms (baseline: 93.19 ms, +51.8%) ⚠️ sparkline.movingAvg.100000: 8.07 ms (baseline: 6.53 ms, +23.6%) ⚠️ sparkline.rdp.100000: 13.29 ms (baseline: 5.99 ms, +122.0%) sparkline.none.500000: 347.79 ms (baseline: 343.92 ms, +1.1%) sparkline.movingAvg.500000: 42.02 ms (baseline: 43.03 ms, -2.3%) sparkline.rdp.500000: 23.75 ms (baseline: 23.08 ms, +2.9%) sparkline.none.948423: 575.46 ms (baseline: 592.01 ms, -2.8%) sparkline.movingAvg.948423: 115.82 ms (baseline: 125.53 ms, -7.7%) ⚠️ sparkline.rdp.948423: 155.42 ms (baseline: 65.65 ms, +136.7%) ✓ windrose.aggregation.1000: 416.0 µs (baseline: 2.93 ms, -85.8%) ✓ windrose.draw.1000: 1.55 ms (baseline: 3.26 ms, -52.6%) ✓ windrose.aggregation.10000: 3.83 ms (baseline: 5.53 ms, -30.8%) ✓ windrose.draw.10000: 1.71 ms (baseline: 3.15 ms, -45.8%) ⚠️ windrose.aggregation.50000: 12.99 ms (baseline: 10.05 ms, +29.3%) ✓ windrose.draw.50000: 1.41 ms (baseline: 2.99 ms, -52.8%) ⚠️ windrose.aggregation.100000: 21.23 ms (baseline: 8.93 ms, +137.7%) ✓ windrose.draw.100000: 1.22 ms (baseline: 1.60 ms, -23.4%) ✓ windrose.aggregation.500000: 26.36 ms (baseline: 49.51 ms, -46.8%) ✓ windrose.draw.500000: 921.8 µs (baseline: 2.38 ms, -61.2%) ⚠️ windrose.aggregation.948423: 94.65 ms (baseline: 64.37 ms, +47.1%) windrose.draw.948423: 722.5 µs (baseline: 779.0 µs, -7.2%) ⚠️ scaling.none.1x: 10.03 ms (baseline: 6.45 ms, +55.4%) ✓ scaling.movingAvg.1x: 1.57 ms (baseline: 1.86 ms, -15.6%) ⚠️ scaling.rdp.1x: 1.44 ms (baseline: 761.6 µs, +88.6%) ✓ scaling.none.2x: 9.25 ms (baseline: 16.74 ms, -44.7%) ⚠️ scaling.movingAvg.2x: 2.06 ms (baseline: 1.44 ms, +43.0%) ✓ scaling.rdp.2x: 901.2 µs (baseline: 1.21 ms, -25.4%) scaling.none.5x: 32.23 ms (baseline: 32.83 ms, -1.8%) ⚠️ scaling.movingAvg.5x: 3.60 ms (baseline: 2.90 ms, +24.3%) ✓ scaling.rdp.5x: 3.83 ms (baseline: 5.35 ms, -28.5%) scaling.none.10x: 75.83 ms (baseline: 70.56 ms, +7.5%) ⚠️ scaling.movingAvg.10x: 13.12 ms (baseline: 10.34 ms, +26.8%) scaling.rdp.10x: 7.60 ms (baseline: 6.38 ms, +19.1%) scaling.none.20x: 117.44 ms (baseline: 108.66 ms, +8.1%) scaling.movingAvg.20x: 12.36 ms (baseline: 12.55 ms, -1.5%) ✓ scaling.rdp.20x: 8.84 ms (baseline: 10.20 ms, -13.3%) scaling.none.50x: 328.17 ms (baseline: 324.43 ms, +1.2%) ⚠️ scaling.movingAvg.50x: 57.34 ms (baseline: 42.46 ms, +35.0%) ✓ scaling.rdp.50x: 25.97 ms (baseline: 51.96 ms, -50.0%) multiseries.movingAvg.1series: 11.83 ms (baseline: 10.66 ms, +11.0%) ⚠️ multiseries.rdp.1series: 12.05 ms (baseline: 6.16 ms, +95.4%) multiseries.movingAvg.2series: 16.76 ms (baseline: 15.16 ms, +10.5%) ✓ multiseries.rdp.2series: 8.64 ms (baseline: 10.26 ms, -15.7%) ✓ multiseries.movingAvg.3series: 16.50 ms (baseline: 30.06 ms, -45.1%) ✓ multiseries.rdp.3series: 13.61 ms (baseline: 40.70 ms, -66.5%) multiseries.movingAvg.5series: 29.01 ms (baseline: 30.46 ms, -4.7%) multiseries.rdp.5series: 31.63 ms (baseline: 30.99 ms, +2.1%) 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: 45.94 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: 0.044 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: 19.86 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: 2026-06-26T07:18:10Z [INFO] ------------------------------------------------------------------------