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: 1.122 s [INFO] Finished at: 2026-08-07T18:48:15Z [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: 1.089 s [INFO] Finished at: 2026-08-07T18:48:19Z [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: 2026-08-07T17:03:35.266949955Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 18:48:41.922 [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 | 2.18 ms | 1.48 ms | 1.22 ms 1,000 | 4.21 ms | 2.19 ms | 2.27 ms 10,000 | 12.54 ms | 2.75 ms | 4.30 ms 49,871 | 19.17 ms | 2.76 ms | 15.27 ms 97,643 | 35.25 ms | 4.39 ms | 4.44 ms 495,995 | 178.68 ms | 24.03 ms | 39.04 ms 944,282 | 358.50 ms | 92.43 ms | 62.04 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 | 496.4 µs | 793.9 µs | 1.29 ms 10,000 | 1.64 ms | 726.2 µs | 2.36 ms 50,000 | 8.25 ms | 599.8 µs | 8.85 ms 100,000 | 4.08 ms | 776.2 µs | 4.86 ms 500,000 | 19.66 ms | 607.2 µs | 20.27 ms 948,423 | 35.44 ms | 1.03 ms | 36.47 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 | 3.62 ms ( 0.7x) | 584.3 µs ( 1.0x) | 545.8 µs ( 0.9x) 2x | 19,996 | 8.30 ms ( 1.6x) | 1.15 ms ( 2.0x) | 986.4 µs ( 1.7x) 5x | 49,871 | 16.41 ms ( 3.1x) | 2.14 ms ( 3.7x) | 2.13 ms ( 3.6x) 10x | 97,643 | 33.75 ms ( 6.4x) | 4.75 ms ( 8.3x) | 4.03 ms ( 6.9x) 20x | 196,569 | 66.64 ms (12.7x) | 8.26 ms (14.4x) | 8.81 ms (15.1x) 50x | 495,995 | 179.65 ms (34.1x) | 32.93 ms (57.2x) | 38.70 ms (66.4x) 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 | 232.1 µs | 5 | 203.8 µs 10,000 | 5 | 531.9 µs | 5 | 504.2 µs 97,643 | 5 | 4.81 ms | 5 | 3.93 ms 495,995 | 5 | 34.56 ms | 5 | 40.06 ms 944,282 | 5 | 86.58 ms | 5 | 57.91 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 | 4.66 ms | 11.90 ms 2 | 16.14 ms | 15.64 ms 3 | 12.75 ms | 17.40 ms 5 | 25.55 ms | 34.84 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.18 ms (baseline: 5.82 ms, -62.6%) ✓ sparkline.movingAvg.100: 1.48 ms (baseline: 3.57 ms, -58.6%) ✓ sparkline.rdp.100: 1.22 ms (baseline: 2.62 ms, -53.4%) sparkline.none.1000: 4.21 ms (baseline: 4.20 ms, +0.3%) ⚠️ sparkline.movingAvg.1000: 2.19 ms (baseline: 1.55 ms, +41.1%) ✓ sparkline.rdp.1000: 2.27 ms (baseline: 3.51 ms, -35.2%) ✓ sparkline.none.10000: 12.54 ms (baseline: 32.21 ms, -61.1%) ✓ sparkline.movingAvg.10000: 2.75 ms (baseline: 8.42 ms, -67.4%) ✓ sparkline.rdp.10000: 4.30 ms (baseline: 13.66 ms, -68.5%) ✓ sparkline.none.50000: 19.17 ms (baseline: 38.04 ms, -49.6%) ✓ sparkline.movingAvg.50000: 2.76 ms (baseline: 7.25 ms, -61.9%) ✓ sparkline.rdp.50000: 15.27 ms (baseline: 67.04 ms, -77.2%) sparkline.none.100000: 35.25 ms (baseline: 35.87 ms, -1.7%) ✓ sparkline.movingAvg.100000: 4.39 ms (baseline: 7.47 ms, -41.3%) ✓ sparkline.rdp.100000: 4.44 ms (baseline: 8.43 ms, -47.3%) ✓ sparkline.none.500000: 178.68 ms (baseline: 233.91 ms, -23.6%) ✓ sparkline.movingAvg.500000: 24.03 ms (baseline: 71.73 ms, -66.5%) sparkline.rdp.500000: 39.04 ms (baseline: 38.38 ms, +1.7%) ✓ sparkline.none.948423: 358.50 ms (baseline: 522.98 ms, -31.5%) ✓ sparkline.movingAvg.948423: 92.43 ms (baseline: 182.67 ms, -49.4%) ✓ sparkline.rdp.948423: 62.04 ms (baseline: 111.07 ms, -44.1%) windrose.aggregation.1000: 496.4 µs (baseline: 458.8 µs, +8.2%) windrose.draw.1000: 793.9 µs (baseline: 785.1 µs, +1.1%) windrose.aggregation.10000: 1.64 ms (baseline: 1.81 ms, -9.7%) windrose.draw.10000: 726.2 µs (baseline: 670.1 µs, +8.4%) windrose.aggregation.50000: 8.25 ms (baseline: 8.16 ms, +1.1%) ✓ windrose.draw.50000: 599.8 µs (baseline: 2.55 ms, -76.5%) ✓ windrose.aggregation.100000: 4.08 ms (baseline: 10.44 ms, -60.9%) ✓ windrose.draw.100000: 776.2 µs (baseline: 1.19 ms, -34.8%) windrose.aggregation.500000: 19.66 ms (baseline: 18.86 ms, +4.2%) windrose.draw.500000: 607.2 µs (baseline: 670.7 µs, -9.5%) ✓ windrose.aggregation.948423: 35.44 ms (baseline: 85.66 ms, -58.6%) ✓ windrose.draw.948423: 1.03 ms (baseline: 1.87 ms, -44.8%) ✓ scaling.none.1x: 3.62 ms (baseline: 8.58 ms, -57.8%) ✓ scaling.movingAvg.1x: 584.3 µs (baseline: 2.20 ms, -73.5%) ✓ scaling.rdp.1x: 545.8 µs (baseline: 2.12 ms, -74.3%) ✓ scaling.none.2x: 8.30 ms (baseline: 14.09 ms, -41.1%) ✓ scaling.movingAvg.2x: 1.15 ms (baseline: 2.30 ms, -50.1%) ✓ scaling.rdp.2x: 986.4 µs (baseline: 1.65 ms, -40.3%) ✓ scaling.none.5x: 16.41 ms (baseline: 24.09 ms, -31.9%) ✓ scaling.movingAvg.5x: 2.14 ms (baseline: 5.39 ms, -60.2%) ✓ scaling.rdp.5x: 2.13 ms (baseline: 4.16 ms, -48.8%) ✓ scaling.none.10x: 33.75 ms (baseline: 42.90 ms, -21.3%) scaling.movingAvg.10x: 4.75 ms (baseline: 4.37 ms, +8.8%) ✓ scaling.rdp.10x: 4.03 ms (baseline: 7.68 ms, -47.6%) ✓ scaling.none.20x: 66.64 ms (baseline: 184.14 ms, -63.8%) ✓ scaling.movingAvg.20x: 8.26 ms (baseline: 22.86 ms, -63.8%) ✓ scaling.rdp.20x: 8.81 ms (baseline: 22.36 ms, -60.6%) ✓ scaling.none.50x: 179.65 ms (baseline: 236.73 ms, -24.1%) ✓ scaling.movingAvg.50x: 32.93 ms (baseline: 63.10 ms, -47.8%) ✓ scaling.rdp.50x: 38.70 ms (baseline: 43.19 ms, -10.4%) multiseries.movingAvg.1series: 4.66 ms (baseline: 4.92 ms, -5.2%) ⚠️ multiseries.rdp.1series: 11.90 ms (baseline: 3.80 ms, +212.9%) ⚠️ multiseries.movingAvg.2series: 16.14 ms (baseline: 11.09 ms, +45.5%) ✓ multiseries.rdp.2series: 15.64 ms (baseline: 21.10 ms, -25.9%) ✓ multiseries.movingAvg.3series: 12.75 ms (baseline: 27.39 ms, -53.5%) ✓ multiseries.rdp.3series: 17.40 ms (baseline: 23.07 ms, -24.6%) multiseries.movingAvg.5series: 25.55 ms (baseline: 27.64 ms, -7.6%) ✓ multiseries.rdp.5series: 34.84 ms (baseline: 41.73 ms, -16.5%) 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: 28.49 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: 0.007 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: 13.03 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: 46.444 s [INFO] Finished at: 2026-08-07T18:49:11Z [INFO] ------------------------------------------------------------------------