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: 1.302 s [INFO] Finished at: 2026-08-13T10:02:08Z [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: 1.059 s [INFO] Finished at: 2026-08-13T10:02:12Z [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: 2026-08-13T08:29:56.025321090Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:02:35.608 [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 | 2.32 ms | 1.62 ms | 1.03 ms 1,000 | 3.70 ms | 1.75 ms | 1.88 ms 10,000 | 9.72 ms | 2.00 ms | 5.30 ms 49,871 | 18.90 ms | 2.37 ms | 32.96 ms 97,643 | 33.40 ms | 4.44 ms | 13.98 ms 495,995 | 189.93 ms | 26.64 ms | 39.64 ms 944,282 | 348.52 ms | 91.18 ms | 104.19 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 | 611.9 µs | 908.1 µs | 1.52 ms 10,000 | 1.68 ms | 1.05 ms | 2.73 ms 50,000 | 15.56 ms | 1.24 ms | 16.80 ms 100,000 | 6.25 ms | 1.35 ms | 7.59 ms 500,000 | 23.18 ms | 811.8 µs | 23.99 ms 948,423 | 37.74 ms | 952.0 µs | 38.70 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 | 3.99 ms ( 0.7x) | 1.00 ms ( 1.6x) | 1.49 ms ( 0.5x) 2x | 19,996 | 7.55 ms ( 1.3x) | 1.03 ms ( 1.6x) | 1.02 ms ( 0.4x) 5x | 49,871 | 18.40 ms ( 3.2x) | 2.31 ms ( 3.6x) | 2.35 ms ( 0.8x) 10x | 97,643 | 33.57 ms ( 5.9x) | 4.37 ms ( 6.9x) | 4.50 ms ( 1.6x) 20x | 196,569 | 75.59 ms (13.2x) | 7.88 ms (12.4x) | 9.58 ms ( 3.4x) 50x | 495,995 | 167.79 ms (29.4x) | 38.50 ms (60.5x) | 28.41 ms (10.2x) 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 | 142.8 µs | 5 | 419.5 µs 10,000 | 5 | 576.2 µs | 5 | 730.1 µs 97,643 | 5 | 4.65 ms | 5 | 4.34 ms 495,995 | 5 | 31.48 ms | 5 | 24.33 ms 944,282 | 5 | 92.87 ms | 5 | 58.28 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 | 4.86 ms | 4.75 ms 2 | 10.93 ms | 12.42 ms 3 | 13.70 ms | 18.98 ms 5 | 21.26 ms | 33.59 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.32 ms (baseline: 7.10 ms, -67.3%) ✓ sparkline.movingAvg.100: 1.62 ms (baseline: 2.04 ms, -20.6%) ✓ sparkline.rdp.100: 1.03 ms (baseline: 2.00 ms, -48.3%) sparkline.none.1000: 3.70 ms (baseline: 3.10 ms, +19.7%) ✓ sparkline.movingAvg.1000: 1.75 ms (baseline: 4.49 ms, -60.9%) ✓ sparkline.rdp.1000: 1.88 ms (baseline: 3.81 ms, -50.6%) ✓ sparkline.none.10000: 9.72 ms (baseline: 23.70 ms, -59.0%) ⚠️ sparkline.movingAvg.10000: 2.00 ms (baseline: 1.38 ms, +45.4%) ✓ sparkline.rdp.10000: 5.30 ms (baseline: 15.29 ms, -65.4%) ✓ sparkline.none.50000: 18.90 ms (baseline: 36.78 ms, -48.6%) ✓ sparkline.movingAvg.50000: 2.37 ms (baseline: 7.13 ms, -66.7%) ⚠️ sparkline.rdp.50000: 32.96 ms (baseline: 18.48 ms, +78.3%) ✓ sparkline.none.100000: 33.40 ms (baseline: 56.55 ms, -40.9%) ✓ sparkline.movingAvg.100000: 4.44 ms (baseline: 20.45 ms, -78.3%) ⚠️ sparkline.rdp.100000: 13.98 ms (baseline: 7.48 ms, +87.0%) ✓ sparkline.none.500000: 189.93 ms (baseline: 323.94 ms, -41.4%) ✓ sparkline.movingAvg.500000: 26.64 ms (baseline: 55.29 ms, -51.8%) sparkline.rdp.500000: 39.64 ms (baseline: 37.20 ms, +6.6%) ✓ sparkline.none.948423: 348.52 ms (baseline: 533.04 ms, -34.6%) ✓ sparkline.movingAvg.948423: 91.18 ms (baseline: 174.07 ms, -47.6%) ✓ sparkline.rdp.948423: 104.19 ms (baseline: 184.21 ms, -43.4%) ⚠️ windrose.aggregation.1000: 611.9 µs (baseline: 416.7 µs, +46.8%) ✓ windrose.draw.1000: 908.1 µs (baseline: 3.73 ms, -75.6%) ✓ windrose.aggregation.10000: 1.68 ms (baseline: 2.07 ms, -18.9%) ✓ windrose.draw.10000: 1.05 ms (baseline: 2.57 ms, -59.2%) ✓ windrose.aggregation.50000: 15.56 ms (baseline: 19.27 ms, -19.3%) ⚠️ windrose.draw.50000: 1.24 ms (baseline: 704.1 µs, +75.9%) windrose.aggregation.100000: 6.25 ms (baseline: 6.78 ms, -7.8%) ⚠️ windrose.draw.100000: 1.35 ms (baseline: 656.5 µs, +105.1%) windrose.aggregation.500000: 23.18 ms (baseline: 19.33 ms, +19.9%) ⚠️ windrose.draw.500000: 811.8 µs (baseline: 571.3 µs, +42.1%) ✓ windrose.aggregation.948423: 37.74 ms (baseline: 57.38 ms, -34.2%) windrose.draw.948423: 952.0 µs (baseline: 974.5 µs, -2.3%) ✓ scaling.none.1x: 3.99 ms (baseline: 6.67 ms, -40.1%) ⚠️ scaling.movingAvg.1x: 1.00 ms (baseline: 764.6 µs, +31.1%) ✓ scaling.rdp.1x: 1.49 ms (baseline: 1.81 ms, -17.6%) ✓ scaling.none.2x: 7.55 ms (baseline: 10.64 ms, -29.1%) scaling.movingAvg.2x: 1.03 ms (baseline: 1.01 ms, +1.6%) scaling.rdp.2x: 1.02 ms (baseline: 1.08 ms, -5.1%) ✓ scaling.none.5x: 18.40 ms (baseline: 28.54 ms, -35.5%) ✓ scaling.movingAvg.5x: 2.31 ms (baseline: 4.09 ms, -43.6%) ✓ scaling.rdp.5x: 2.35 ms (baseline: 15.07 ms, -84.4%) ✓ scaling.none.10x: 33.57 ms (baseline: 37.88 ms, -11.4%) ✓ scaling.movingAvg.10x: 4.37 ms (baseline: 9.22 ms, -52.5%) scaling.rdp.10x: 4.50 ms (baseline: 4.04 ms, +11.4%) ✓ scaling.none.20x: 75.59 ms (baseline: 93.10 ms, -18.8%) ✓ scaling.movingAvg.20x: 7.88 ms (baseline: 10.44 ms, -24.5%) ✓ scaling.rdp.20x: 9.58 ms (baseline: 41.49 ms, -76.9%) ✓ scaling.none.50x: 167.79 ms (baseline: 226.02 ms, -25.8%) scaling.movingAvg.50x: 38.50 ms (baseline: 42.25 ms, -8.9%) ✓ scaling.rdp.50x: 28.41 ms (baseline: 47.41 ms, -40.1%) multiseries.movingAvg.1series: 4.86 ms (baseline: 4.73 ms, +2.7%) multiseries.rdp.1series: 4.75 ms (baseline: 4.14 ms, +14.7%) ⚠️ multiseries.movingAvg.2series: 10.93 ms (baseline: 9.01 ms, +21.4%) multiseries.rdp.2series: 12.42 ms (baseline: 11.25 ms, +10.4%) ✓ multiseries.movingAvg.3series: 13.70 ms (baseline: 20.20 ms, -32.2%) ✓ multiseries.rdp.3series: 18.98 ms (baseline: 54.03 ms, -64.9%) ✓ multiseries.movingAvg.5series: 21.26 ms (baseline: 43.97 ms, -51.7%) multiseries.rdp.5series: 33.59 ms (baseline: 32.35 ms, +3.8%) 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: 32.81 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: 0.015 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: 14.06 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: 51.893 s [INFO] Finished at: 2026-08-13T10:03:10Z [INFO] ------------------------------------------------------------------------