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: 1.225 s [INFO] Finished at: 2026-08-06T11:21:23Z [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: 1.136 s [INFO] Finished at: 2026-08-06T11:21:26Z [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: 2026-08-06T09:49:02.136397731Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 11:21:49.727 [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 | 1.15 ms | 1.50 ms | 1.16 ms 1,000 | 3.33 ms | 2.34 ms | 1.91 ms 10,000 | 13.45 ms | 2.45 ms | 9.21 ms 49,871 | 20.87 ms | 2.87 ms | 4.50 ms 97,643 | 36.73 ms | 4.58 ms | 5.16 ms 495,995 | 201.46 ms | 36.12 ms | 27.35 ms 944,282 | 359.74 ms | 91.38 ms | 65.54 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 | 433.2 µs | 781.1 µs | 1.21 ms 10,000 | 1.66 ms | 646.8 µs | 2.30 ms 50,000 | 9.37 ms | 634.6 µs | 10.00 ms 100,000 | 4.74 ms | 788.1 µs | 5.53 ms 500,000 | 21.44 ms | 542.7 µs | 21.99 ms 948,423 | 36.18 ms | 661.8 µs | 36.84 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 | 4.37 ms ( 0.9x) | 592.8 µs ( 1.0x) | 632.2 µs ( 1.0x) 2x | 19,996 | 8.34 ms ( 1.7x) | 1.05 ms ( 1.8x) | 926.4 µs ( 1.4x) 5x | 49,871 | 16.45 ms ( 3.3x) | 2.57 ms ( 4.5x) | 3.17 ms ( 4.9x) 10x | 97,643 | 33.74 ms ( 6.7x) | 4.19 ms ( 7.3x) | 4.36 ms ( 6.8x) 20x | 196,569 | 74.56 ms (14.9x) | 8.05 ms (14.0x) | 10.33 ms (16.0x) 50x | 495,995 | 174.09 ms (34.8x) | 33.28 ms (58.0x) | 25.39 ms (39.3x) 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 | 264.5 µs | 5 | 356.6 µs 10,000 | 5 | 746.1 µs | 5 | 871.4 µs 97,643 | 5 | 4.77 ms | 5 | 4.14 ms 495,995 | 5 | 38.52 ms | 5 | 23.07 ms 944,282 | 5 | 86.29 ms | 5 | 50.15 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 | 4.78 ms | 3.93 ms 2 | 8.39 ms | 12.23 ms 3 | 13.69 ms | 19.82 ms 5 | 23.76 ms | 35.30 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.15 ms (baseline: 2.02 ms, -43.2%) ✓ sparkline.movingAvg.100: 1.50 ms (baseline: 4.35 ms, -65.6%) sparkline.rdp.100: 1.16 ms (baseline: 1.26 ms, -7.4%) ✓ sparkline.none.1000: 3.33 ms (baseline: 6.26 ms, -46.8%) ✓ sparkline.movingAvg.1000: 2.34 ms (baseline: 3.58 ms, -34.5%) ✓ sparkline.rdp.1000: 1.91 ms (baseline: 4.96 ms, -61.4%) ✓ sparkline.none.10000: 13.45 ms (baseline: 30.18 ms, -55.4%) ⚠️ sparkline.movingAvg.10000: 2.45 ms (baseline: 1.28 ms, +92.2%) sparkline.rdp.10000: 9.21 ms (baseline: 8.90 ms, +3.4%) ✓ sparkline.none.50000: 20.87 ms (baseline: 47.04 ms, -55.6%) ✓ sparkline.movingAvg.50000: 2.87 ms (baseline: 7.31 ms, -60.7%) ✓ sparkline.rdp.50000: 4.50 ms (baseline: 16.28 ms, -72.3%) ✓ sparkline.none.100000: 36.73 ms (baseline: 53.17 ms, -30.9%) sparkline.movingAvg.100000: 4.58 ms (baseline: 4.59 ms, -0.2%) ✓ sparkline.rdp.100000: 5.16 ms (baseline: 7.95 ms, -35.1%) ✓ sparkline.none.500000: 201.46 ms (baseline: 279.66 ms, -28.0%) ✓ sparkline.movingAvg.500000: 36.12 ms (baseline: 60.46 ms, -40.3%) sparkline.rdp.500000: 27.35 ms (baseline: 28.02 ms, -2.4%) ✓ sparkline.none.948423: 359.74 ms (baseline: 557.59 ms, -35.5%) ✓ sparkline.movingAvg.948423: 91.38 ms (baseline: 115.78 ms, -21.1%) ✓ sparkline.rdp.948423: 65.54 ms (baseline: 93.10 ms, -29.6%) windrose.aggregation.1000: 433.2 µs (baseline: 457.8 µs, -5.4%) windrose.draw.1000: 781.1 µs (baseline: 729.0 µs, +7.1%) windrose.aggregation.10000: 1.66 ms (baseline: 1.79 ms, -7.5%) windrose.draw.10000: 646.8 µs (baseline: 572.7 µs, +12.9%) ✓ windrose.aggregation.50000: 9.37 ms (baseline: 13.21 ms, -29.1%) ✓ windrose.draw.50000: 634.6 µs (baseline: 1.73 ms, -63.3%) ✓ windrose.aggregation.100000: 4.74 ms (baseline: 9.69 ms, -51.1%) ✓ windrose.draw.100000: 788.1 µs (baseline: 988.3 µs, -20.3%) ✓ windrose.aggregation.500000: 21.44 ms (baseline: 43.70 ms, -50.9%) ✓ windrose.draw.500000: 542.7 µs (baseline: 677.2 µs, -19.9%) ✓ windrose.aggregation.948423: 36.18 ms (baseline: 76.66 ms, -52.8%) ⚠️ windrose.draw.948423: 661.8 µs (baseline: 516.5 µs, +28.1%) scaling.none.1x: 4.37 ms (baseline: 3.88 ms, +12.7%) scaling.movingAvg.1x: 592.8 µs (baseline: 636.0 µs, -6.8%) scaling.rdp.1x: 632.2 µs (baseline: 661.7 µs, -4.5%) scaling.none.2x: 8.34 ms (baseline: 7.62 ms, +9.4%) ✓ scaling.movingAvg.2x: 1.05 ms (baseline: 1.27 ms, -17.0%) ✓ scaling.rdp.2x: 926.4 µs (baseline: 1.07 ms, -13.2%) ✓ scaling.none.5x: 16.45 ms (baseline: 19.72 ms, -16.6%) ✓ scaling.movingAvg.5x: 2.57 ms (baseline: 3.59 ms, -28.4%) ✓ scaling.rdp.5x: 3.17 ms (baseline: 4.14 ms, -23.4%) ✓ scaling.none.10x: 33.74 ms (baseline: 78.89 ms, -57.2%) ✓ scaling.movingAvg.10x: 4.19 ms (baseline: 6.55 ms, -36.1%) ✓ scaling.rdp.10x: 4.36 ms (baseline: 8.91 ms, -51.0%) ✓ scaling.none.20x: 74.56 ms (baseline: 84.15 ms, -11.4%) scaling.movingAvg.20x: 8.05 ms (baseline: 8.90 ms, -9.6%) scaling.rdp.20x: 10.33 ms (baseline: 10.68 ms, -3.3%) ✓ scaling.none.50x: 174.09 ms (baseline: 235.45 ms, -26.1%) scaling.movingAvg.50x: 33.28 ms (baseline: 28.76 ms, +15.7%) scaling.rdp.50x: 25.39 ms (baseline: 27.10 ms, -6.3%) multiseries.movingAvg.1series: 4.78 ms (baseline: 5.03 ms, -5.0%) ✓ multiseries.rdp.1series: 3.93 ms (baseline: 5.35 ms, -26.4%) ✓ multiseries.movingAvg.2series: 8.39 ms (baseline: 10.88 ms, -22.9%) multiseries.rdp.2series: 12.23 ms (baseline: 12.49 ms, -2.1%) multiseries.movingAvg.3series: 13.69 ms (baseline: 13.88 ms, -1.4%) multiseries.rdp.3series: 19.82 ms (baseline: 19.71 ms, +0.6%) ✓ multiseries.movingAvg.5series: 23.76 ms (baseline: 33.33 ms, -28.7%) ✓ multiseries.rdp.5series: 35.30 ms (baseline: 102.50 ms, -65.6%) 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: 28.56 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: 0.010 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: 0.025 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: 12.83 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: 46.550 s [INFO] Finished at: 2026-08-06T11:22:19Z [INFO] ------------------------------------------------------------------------