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: 1.749 s [INFO] Finished at: 2026-08-12T12:53:26Z [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: 1.500 s [INFO] Finished at: 2026-08-12T12:53:30Z [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: 2026-08-12T11:08:16.087148089Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:53:57.474 [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 | 1.10 ms | 1.49 ms | 1.08 ms 1,000 | 3.46 ms | 1.42 ms | 1.57 ms 10,000 | 8.66 ms | 2.57 ms | 3.63 ms 49,871 | 23.09 ms | 2.49 ms | 51.10 ms 97,643 | 37.44 ms | 5.08 ms | 9.82 ms 495,995 | 193.86 ms | 38.92 ms | 32.96 ms 944,282 | 354.86 ms | 96.23 ms | 59.55 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 | 677.5 µs | 772.0 µs | 1.45 ms 10,000 | 1.90 ms | 817.5 µs | 2.72 ms 50,000 | 9.08 ms | 740.2 µs | 9.82 ms 100,000 | 4.29 ms | 822.5 µs | 5.11 ms 500,000 | 20.53 ms | 755.2 µs | 21.28 ms 948,423 | 40.37 ms | 1.35 ms | 41.72 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 | 3.92 ms ( 0.6x) | 659.0 µs ( 0.7x) | 574.0 µs ( 0.9x) 2x | 19,996 | 11.16 ms ( 1.8x) | 1.17 ms ( 1.2x) | 1.03 ms ( 1.7x) 5x | 49,871 | 16.74 ms ( 2.7x) | 2.75 ms ( 2.9x) | 2.28 ms ( 3.7x) 10x | 97,643 | 32.51 ms ( 5.3x) | 4.56 ms ( 4.7x) | 3.95 ms ( 6.4x) 20x | 196,569 | 65.68 ms (10.7x) | 11.70 ms (12.1x) | 10.25 ms (16.5x) 50x | 495,995 | 175.62 ms (28.6x) | 29.64 ms (30.7x) | 41.69 ms (67.3x) 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 | 148.0 µs | 5 | 557.2 µs 10,000 | 5 | 1.34 ms | 5 | 808.5 µs 97,643 | 5 | 6.85 ms | 5 | 4.01 ms 495,995 | 5 | 37.72 ms | 5 | 23.32 ms 944,282 | 5 | 92.62 ms | 5 | 57.63 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 | 5.89 ms | 4.35 ms 2 | 8.43 ms | 10.83 ms 3 | 12.01 ms | 20.02 ms 5 | 20.26 ms | 30.23 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.10 ms (baseline: 6.95 ms, -84.1%) ✓ sparkline.movingAvg.100: 1.49 ms (baseline: 6.50 ms, -77.1%) ✓ sparkline.rdp.100: 1.08 ms (baseline: 4.53 ms, -76.2%) ✓ sparkline.none.1000: 3.46 ms (baseline: 5.56 ms, -37.8%) ✓ sparkline.movingAvg.1000: 1.42 ms (baseline: 4.51 ms, -68.6%) ✓ sparkline.rdp.1000: 1.57 ms (baseline: 2.78 ms, -43.5%) ✓ sparkline.none.10000: 8.66 ms (baseline: 34.01 ms, -74.5%) ✓ sparkline.movingAvg.10000: 2.57 ms (baseline: 11.41 ms, -77.5%) ✓ sparkline.rdp.10000: 3.63 ms (baseline: 7.60 ms, -52.2%) ✓ sparkline.none.50000: 23.09 ms (baseline: 32.38 ms, -28.7%) ✓ sparkline.movingAvg.50000: 2.49 ms (baseline: 2.97 ms, -16.2%) ⚠️ sparkline.rdp.50000: 51.10 ms (baseline: 3.79 ms, +1247.2%) ✓ sparkline.none.100000: 37.44 ms (baseline: 44.72 ms, -16.3%) ✓ sparkline.movingAvg.100000: 5.08 ms (baseline: 7.16 ms, -29.1%) ⚠️ sparkline.rdp.100000: 9.82 ms (baseline: 8.05 ms, +21.9%) ✓ sparkline.none.500000: 193.86 ms (baseline: 289.49 ms, -33.0%) ✓ sparkline.movingAvg.500000: 38.92 ms (baseline: 87.76 ms, -55.7%) sparkline.rdp.500000: 32.96 ms (baseline: 31.76 ms, +3.8%) ✓ sparkline.none.948423: 354.86 ms (baseline: 531.95 ms, -33.3%) ✓ sparkline.movingAvg.948423: 96.23 ms (baseline: 138.54 ms, -30.5%) ✓ sparkline.rdp.948423: 59.55 ms (baseline: 77.83 ms, -23.5%) ⚠️ windrose.aggregation.1000: 677.5 µs (baseline: 499.3 µs, +35.7%) ✓ windrose.draw.1000: 772.0 µs (baseline: 3.34 ms, -76.9%) ✓ windrose.aggregation.10000: 1.90 ms (baseline: 7.68 ms, -75.2%) ✓ windrose.draw.10000: 817.5 µs (baseline: 1.89 ms, -56.8%) ✓ windrose.aggregation.50000: 9.08 ms (baseline: 34.73 ms, -73.9%) ✓ windrose.draw.50000: 740.2 µs (baseline: 2.63 ms, -71.8%) ✓ windrose.aggregation.100000: 4.29 ms (baseline: 11.62 ms, -63.1%) windrose.draw.100000: 822.5 µs (baseline: 721.4 µs, +14.0%) ✓ windrose.aggregation.500000: 20.53 ms (baseline: 24.10 ms, -14.8%) ✓ windrose.draw.500000: 755.2 µs (baseline: 891.8 µs, -15.3%) ✓ windrose.aggregation.948423: 40.37 ms (baseline: 92.65 ms, -56.4%) ✓ windrose.draw.948423: 1.35 ms (baseline: 1.80 ms, -24.7%) ✓ scaling.none.1x: 3.92 ms (baseline: 6.29 ms, -37.8%) ✓ scaling.movingAvg.1x: 659.0 µs (baseline: 1.80 ms, -63.5%) ✓ scaling.rdp.1x: 574.0 µs (baseline: 1.16 ms, -50.3%) ✓ scaling.none.2x: 11.16 ms (baseline: 13.23 ms, -15.6%) ✓ scaling.movingAvg.2x: 1.17 ms (baseline: 2.56 ms, -54.1%) scaling.rdp.2x: 1.03 ms (baseline: 986.8 µs, +4.9%) ✓ scaling.none.5x: 16.74 ms (baseline: 35.49 ms, -52.8%) ✓ scaling.movingAvg.5x: 2.75 ms (baseline: 4.74 ms, -41.9%) ✓ scaling.rdp.5x: 2.28 ms (baseline: 3.73 ms, -38.7%) ✓ scaling.none.10x: 32.51 ms (baseline: 69.17 ms, -53.0%) ✓ scaling.movingAvg.10x: 4.56 ms (baseline: 10.96 ms, -58.3%) ✓ scaling.rdp.10x: 3.95 ms (baseline: 9.00 ms, -56.1%) ✓ scaling.none.20x: 65.68 ms (baseline: 82.36 ms, -20.3%) ✓ scaling.movingAvg.20x: 11.70 ms (baseline: 13.30 ms, -12.0%) ✓ scaling.rdp.20x: 10.25 ms (baseline: 12.78 ms, -19.8%) ✓ scaling.none.50x: 175.62 ms (baseline: 237.65 ms, -26.1%) ✓ scaling.movingAvg.50x: 29.64 ms (baseline: 59.26 ms, -50.0%) ⚠️ scaling.rdp.50x: 41.69 ms (baseline: 29.19 ms, +42.8%) multiseries.movingAvg.1series: 5.89 ms (baseline: 5.10 ms, +15.5%) multiseries.rdp.1series: 4.35 ms (baseline: 4.66 ms, -6.8%) multiseries.movingAvg.2series: 8.43 ms (baseline: 9.09 ms, -7.3%) ✓ multiseries.rdp.2series: 10.83 ms (baseline: 13.70 ms, -20.9%) ✓ multiseries.movingAvg.3series: 12.01 ms (baseline: 15.21 ms, -21.0%) ✓ multiseries.rdp.3series: 20.02 ms (baseline: 42.19 ms, -52.5%) ✓ multiseries.movingAvg.5series: 20.26 ms (baseline: 27.31 ms, -25.8%) ✓ multiseries.rdp.5series: 30.23 ms (baseline: 52.48 ms, -42.4%) 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: 32.55 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: 0.006 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: 0.009 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: 14.35 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: 53.821 s [INFO] Finished at: 2026-08-12T12:54:32Z [INFO] ------------------------------------------------------------------------