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=25.2.4 -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: 2.763 s [INFO] Finished at: 2026-08-01T06:52:01Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.4 -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 -> 25.2.4 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.390 s [INFO] Finished at: 2026-08-01T06:52:07Z [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: 2026-08-01T05:15:48.702266319Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:52:45.175 [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 | 3.79 ms | 4.79 ms | 3.78 ms 1,000 | 5.80 ms | 3.79 ms | 3.64 ms 10,000 | 19.73 ms | 8.27 ms | 14.42 ms 49,871 | 35.40 ms | 6.20 ms | 10.75 ms 97,643 | 67.99 ms | 6.93 ms | 10.26 ms 495,995 | 296.22 ms | 35.80 ms | 31.50 ms 944,282 | 509.99 ms | 106.42 ms | 128.56 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 | 547.5 µs | 1.39 ms | 1.94 ms 10,000 | 1.62 ms | 1.82 ms | 3.44 ms 50,000 | 13.79 ms | 3.10 ms | 16.89 ms 100,000 | 11.30 ms | 1.58 ms | 12.88 ms 500,000 | 43.27 ms | 1.14 ms | 44.41 ms 948,423 | 85.97 ms | 1.61 ms | 87.58 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 | 3.86 ms ( 0.4x) | 652.1 µs ( 0.3x) | 722.1 µs ( 0.6x) 2x | 19,996 | 11.09 ms ( 1.0x) | 1.11 ms ( 0.6x) | 3.50 ms ( 2.7x) 5x | 49,871 | 22.07 ms ( 2.1x) | 2.40 ms ( 1.2x) | 2.83 ms ( 2.2x) 10x | 97,643 | 60.43 ms ( 5.6x) | 4.95 ms ( 2.5x) | 7.15 ms ( 5.6x) 20x | 196,569 | 110.19 ms (10.3x) | 15.21 ms ( 7.6x) | 10.59 ms ( 8.3x) 50x | 495,995 | 217.62 ms (20.3x) | 35.77 ms (17.9x) | 90.72 ms (70.9x) 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 | 146.7 µs | 5 | 871.2 µs 10,000 | 5 | 1.50 ms | 5 | 666.6 µs 97,643 | 5 | 5.27 ms | 5 | 6.05 ms 495,995 | 5 | 85.10 ms | 5 | 48.04 ms 944,282 | 5 | 155.66 ms | 5 | 115.13 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 | 6.12 ms | 44.49 ms 2 | 13.24 ms | 20.64 ms 3 | 16.21 ms | 25.15 ms 5 | 33.65 ms | 54.07 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.79 ms (baseline: 6.21 ms, -38.9%) ⚠️ sparkline.movingAvg.100: 4.79 ms (baseline: 3.18 ms, +50.6%) ✓ sparkline.rdp.100: 3.78 ms (baseline: 4.88 ms, -22.6%) ✓ sparkline.none.1000: 5.80 ms (baseline: 8.04 ms, -27.9%) ✓ sparkline.movingAvg.1000: 3.79 ms (baseline: 6.47 ms, -41.4%) ✓ sparkline.rdp.1000: 3.64 ms (baseline: 4.49 ms, -19.0%) ✓ sparkline.none.10000: 19.73 ms (baseline: 28.43 ms, -30.6%) ⚠️ sparkline.movingAvg.10000: 8.27 ms (baseline: 2.59 ms, +219.1%) ⚠️ sparkline.rdp.10000: 14.42 ms (baseline: 5.61 ms, +157.1%) sparkline.none.50000: 35.40 ms (baseline: 35.34 ms, +0.2%) ⚠️ sparkline.movingAvg.50000: 6.20 ms (baseline: 4.96 ms, +24.9%) ✓ sparkline.rdp.50000: 10.75 ms (baseline: 66.99 ms, -84.0%) ✓ sparkline.none.100000: 67.99 ms (baseline: 99.73 ms, -31.8%) ✓ sparkline.movingAvg.100000: 6.93 ms (baseline: 19.59 ms, -64.6%) sparkline.rdp.100000: 10.26 ms (baseline: 10.54 ms, -2.6%) sparkline.none.500000: 296.22 ms (baseline: 305.43 ms, -3.0%) ✓ sparkline.movingAvg.500000: 35.80 ms (baseline: 51.13 ms, -30.0%) ✓ sparkline.rdp.500000: 31.50 ms (baseline: 49.42 ms, -36.3%) sparkline.none.948423: 509.99 ms (baseline: 508.57 ms, +0.3%) ✓ sparkline.movingAvg.948423: 106.42 ms (baseline: 178.69 ms, -40.4%) ✓ sparkline.rdp.948423: 128.56 ms (baseline: 158.46 ms, -18.9%) windrose.aggregation.1000: 547.5 µs (baseline: 462.2 µs, +18.5%) ✓ windrose.draw.1000: 1.39 ms (baseline: 2.54 ms, -45.4%) ✓ windrose.aggregation.10000: 1.62 ms (baseline: 14.19 ms, -88.6%) ⚠️ windrose.draw.10000: 1.82 ms (baseline: 1.40 ms, +29.9%) ✓ windrose.aggregation.50000: 13.79 ms (baseline: 30.56 ms, -54.9%) ⚠️ windrose.draw.50000: 3.10 ms (baseline: 1.26 ms, +146.3%) ⚠️ windrose.aggregation.100000: 11.30 ms (baseline: 8.93 ms, +26.6%) ⚠️ windrose.draw.100000: 1.58 ms (baseline: 547.3 µs, +188.9%) ⚠️ windrose.aggregation.500000: 43.27 ms (baseline: 18.28 ms, +136.7%) ⚠️ windrose.draw.500000: 1.14 ms (baseline: 509.0 µs, +124.9%) ⚠️ windrose.aggregation.948423: 85.97 ms (baseline: 35.09 ms, +145.0%) ⚠️ windrose.draw.948423: 1.61 ms (baseline: 552.3 µs, +191.8%) ✓ scaling.none.1x: 3.86 ms (baseline: 8.57 ms, -54.9%) ✓ scaling.movingAvg.1x: 652.1 µs (baseline: 5.28 ms, -87.7%) ✓ scaling.rdp.1x: 722.1 µs (baseline: 3.58 ms, -79.8%) ✓ scaling.none.2x: 11.09 ms (baseline: 14.87 ms, -25.4%) ✓ scaling.movingAvg.2x: 1.11 ms (baseline: 4.39 ms, -74.8%) ⚠️ scaling.rdp.2x: 3.50 ms (baseline: 988.8 µs, +254.0%) ✓ scaling.none.5x: 22.07 ms (baseline: 26.98 ms, -18.2%) ✓ scaling.movingAvg.5x: 2.40 ms (baseline: 4.22 ms, -43.2%) ✓ scaling.rdp.5x: 2.83 ms (baseline: 3.80 ms, -25.5%) ⚠️ scaling.none.10x: 60.43 ms (baseline: 45.67 ms, +32.3%) ✓ scaling.movingAvg.10x: 4.95 ms (baseline: 10.86 ms, -54.4%) ⚠️ scaling.rdp.10x: 7.15 ms (baseline: 5.62 ms, +27.1%) scaling.none.20x: 110.19 ms (baseline: 96.21 ms, +14.5%) scaling.movingAvg.20x: 15.21 ms (baseline: 13.92 ms, +9.3%) ✓ scaling.rdp.20x: 10.59 ms (baseline: 12.07 ms, -12.3%) ✓ scaling.none.50x: 217.62 ms (baseline: 264.01 ms, -17.6%) scaling.movingAvg.50x: 35.77 ms (baseline: 34.48 ms, +3.7%) ⚠️ scaling.rdp.50x: 90.72 ms (baseline: 31.60 ms, +187.1%) multiseries.movingAvg.1series: 6.12 ms (baseline: 6.21 ms, -1.4%) ⚠️ multiseries.rdp.1series: 44.49 ms (baseline: 4.85 ms, +817.3%) multiseries.movingAvg.2series: 13.24 ms (baseline: 11.10 ms, +19.3%) ✓ multiseries.rdp.2series: 20.64 ms (baseline: 25.81 ms, -20.0%) multiseries.movingAvg.3series: 16.21 ms (baseline: 17.15 ms, -5.5%) multiseries.rdp.3series: 25.15 ms (baseline: 25.00 ms, +0.6%) multiseries.movingAvg.5series: 33.65 ms (baseline: 32.60 ms, +3.2%) multiseries.rdp.5series: 54.07 ms (baseline: 51.07 ms, +5.9%) 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: 43.05 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: 0.044 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: 0.070 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: 20.11 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: 01:13 min [INFO] Finished at: 2026-08-01T06:53:32Z [INFO] ------------------------------------------------------------------------