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 44261b0 Every series with its own scale gets its numbers $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.3.0 -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:1.2.0-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.0-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.22.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.527 s [INFO] Finished at: 2026-09-29T11:54:58Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3.0 -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:1.2.0-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.0-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.22.0: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:1.2.0-SNAPSHOT -> 25.3.0 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.468 s [INFO] Finished at: 2026-09-29T11:55:02Z [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:1.2.0-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.0-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:1.2.0-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 3 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 17 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.SparkLineGeometryTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.120 s -- in org.vaadin.svgvis.SparkLineGeometryTest [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-142-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-09-29T11:06:56.469819188Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 11:55:31.154 [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 | 2.78 ms | 2.33 ms | 1.49 ms 1,000 | 7.23 ms | 2.79 ms | 2.42 ms 10,000 | 28.32 ms | 1.36 ms | 10.32 ms 49,871 | 23.59 ms | 3.38 ms | 5.95 ms 97,643 | 67.81 ms | 9.52 ms | 7.93 ms 495,995 | 291.89 ms | 38.62 ms | 47.18 ms 944,282 | 444.88 ms | 93.17 ms | 115.60 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 | 498.2 µs | 1.35 ms | 1.85 ms 10,000 | 3.27 ms | 1.30 ms | 4.57 ms 50,000 | 14.75 ms | 591.3 µs | 15.34 ms 100,000 | 3.83 ms | 612.1 µs | 4.45 ms 500,000 | 20.06 ms | 584.7 µs | 20.65 ms 948,423 | 37.32 ms | 535.2 µs | 37.85 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 | 4.38 ms ( 0.6x) | 695.0 µs ( 0.9x) | 683.1 µs ( 0.8x) 2x | 19,996 | 7.63 ms ( 1.0x) | 1.38 ms ( 1.7x) | 1.37 ms ( 1.5x) 5x | 49,871 | 18.62 ms ( 2.5x) | 3.40 ms ( 4.2x) | 3.40 ms ( 3.8x) 10x | 97,643 | 36.19 ms ( 4.8x) | 4.77 ms ( 5.9x) | 4.52 ms ( 5.0x) 20x | 196,569 | 71.56 ms ( 9.5x) | 9.44 ms (11.7x) | 11.06 ms (12.3x) 50x | 495,995 | 266.06 ms (35.2x) | 30.86 ms (38.2x) | 30.01 ms (33.3x) 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 | 170.9 µs | 5 | 226.6 µs 10,000 | 5 | 507.8 µs | 5 | 575.4 µs 97,643 | 5 | 6.48 ms | 5 | 12.57 ms 495,995 | 5 | 41.53 ms | 5 | 25.84 ms 944,282 | 5 | 95.80 ms | 5 | 51.60 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 | 4.60 ms | 4.86 ms 2 | 19.99 ms | 24.92 ms 3 | 13.78 ms | 20.25 ms 5 | 25.26 ms | 43.54 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.78 ms (baseline: 3.35 ms, -17.0%) ✓ sparkline.movingAvg.100: 2.33 ms (baseline: 3.15 ms, -25.9%) ✓ sparkline.rdp.100: 1.49 ms (baseline: 1.96 ms, -24.2%) ⚠️ sparkline.none.1000: 7.23 ms (baseline: 3.80 ms, +90.3%) sparkline.movingAvg.1000: 2.79 ms (baseline: 2.93 ms, -4.9%) ✓ sparkline.rdp.1000: 2.42 ms (baseline: 3.18 ms, -23.8%) ⚠️ sparkline.none.10000: 28.32 ms (baseline: 20.32 ms, +39.4%) ✓ sparkline.movingAvg.10000: 1.36 ms (baseline: 4.92 ms, -72.4%) ⚠️ sparkline.rdp.10000: 10.32 ms (baseline: 7.48 ms, +38.0%) ✓ sparkline.none.50000: 23.59 ms (baseline: 29.13 ms, -19.0%) ✓ sparkline.movingAvg.50000: 3.38 ms (baseline: 5.42 ms, -37.5%) ⚠️ sparkline.rdp.50000: 5.95 ms (baseline: 3.74 ms, +59.1%) ⚠️ sparkline.none.100000: 67.81 ms (baseline: 41.74 ms, +62.4%) ✓ sparkline.movingAvg.100000: 9.52 ms (baseline: 11.79 ms, -19.3%) ✓ sparkline.rdp.100000: 7.93 ms (baseline: 10.37 ms, -23.5%) sparkline.none.500000: 291.89 ms (baseline: 261.08 ms, +11.8%) ⚠️ sparkline.movingAvg.500000: 38.62 ms (baseline: 27.88 ms, +38.5%) sparkline.rdp.500000: 47.18 ms (baseline: 42.12 ms, +12.0%) sparkline.none.948423: 444.88 ms (baseline: 479.58 ms, -7.2%) sparkline.movingAvg.948423: 93.17 ms (baseline: 92.76 ms, +0.4%) ⚠️ sparkline.rdp.948423: 115.60 ms (baseline: 79.26 ms, +45.9%) ✓ windrose.aggregation.1000: 498.2 µs (baseline: 606.6 µs, -17.9%) windrose.draw.1000: 1.35 ms (baseline: 1.47 ms, -7.7%) ⚠️ windrose.aggregation.10000: 3.27 ms (baseline: 1.65 ms, +98.6%) ✓ windrose.draw.10000: 1.30 ms (baseline: 1.96 ms, -33.6%) windrose.aggregation.50000: 14.75 ms (baseline: 15.95 ms, -7.5%) windrose.draw.50000: 591.3 µs (baseline: 584.1 µs, +1.2%) windrose.aggregation.100000: 3.83 ms (baseline: 3.93 ms, -2.4%) ✓ windrose.draw.100000: 612.1 µs (baseline: 794.9 µs, -23.0%) windrose.aggregation.500000: 20.06 ms (baseline: 19.55 ms, +2.6%) windrose.draw.500000: 584.7 µs (baseline: 593.2 µs, -1.4%) ✓ windrose.aggregation.948423: 37.32 ms (baseline: 42.44 ms, -12.1%) ✓ windrose.draw.948423: 535.2 µs (baseline: 611.5 µs, -12.5%) scaling.none.1x: 4.38 ms (baseline: 4.47 ms, -1.9%) ✓ scaling.movingAvg.1x: 695.0 µs (baseline: 1.94 ms, -64.2%) ✓ scaling.rdp.1x: 683.1 µs (baseline: 1.51 ms, -54.8%) ✓ scaling.none.2x: 7.63 ms (baseline: 8.75 ms, -12.8%) ✓ scaling.movingAvg.2x: 1.38 ms (baseline: 1.81 ms, -23.7%) scaling.rdp.2x: 1.37 ms (baseline: 1.37 ms, -0.1%) ✓ scaling.none.5x: 18.62 ms (baseline: 23.73 ms, -21.5%) ✓ scaling.movingAvg.5x: 3.40 ms (baseline: 4.49 ms, -24.2%) scaling.rdp.5x: 3.40 ms (baseline: 3.59 ms, -5.4%) scaling.none.10x: 36.19 ms (baseline: 35.18 ms, +2.8%) scaling.movingAvg.10x: 4.77 ms (baseline: 4.31 ms, +10.7%) ✓ scaling.rdp.10x: 4.52 ms (baseline: 6.18 ms, -26.8%) ✓ scaling.none.20x: 71.56 ms (baseline: 111.54 ms, -35.8%) scaling.movingAvg.20x: 9.44 ms (baseline: 9.69 ms, -2.5%) ✓ scaling.rdp.20x: 11.06 ms (baseline: 15.42 ms, -28.2%) ⚠️ scaling.none.50x: 266.06 ms (baseline: 203.51 ms, +30.7%) ✓ scaling.movingAvg.50x: 30.86 ms (baseline: 39.30 ms, -21.5%) ✓ scaling.rdp.50x: 30.01 ms (baseline: 55.79 ms, -46.2%) multiseries.movingAvg.1series: 4.60 ms (baseline: 4.80 ms, -4.1%) ✓ multiseries.rdp.1series: 4.86 ms (baseline: 6.04 ms, -19.6%) ⚠️ multiseries.movingAvg.2series: 19.99 ms (baseline: 10.66 ms, +87.4%) ⚠️ multiseries.rdp.2series: 24.92 ms (baseline: 19.40 ms, +28.4%) multiseries.movingAvg.3series: 13.78 ms (baseline: 13.92 ms, -1.0%) ✓ multiseries.rdp.3series: 20.25 ms (baseline: 27.51 ms, -26.4%) multiseries.movingAvg.5series: 25.26 ms (baseline: 24.54 ms, +2.9%) ✓ multiseries.rdp.5series: 43.54 ms (baseline: 65.29 ms, -33.3%) 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: 39.96 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.616 s -- in org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.013 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: 0.018 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: 13.90 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 40, 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-1.2.0-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:09 min [INFO] Finished at: 2026-09-29T11:56:20Z [INFO] ------------------------------------------------------------------------