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-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: 3.087 s [INFO] Finished at: 2026-08-11T17:04:37Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-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 -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.236 s [INFO] Finished at: 2026-08-11T17:04:43Z [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: 2026-08-11T15:59:14.744321410Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 17:05:22.130 [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 | 2.41 ms | 5.49 ms | 3.39 ms 1,000 | 10.25 ms | 3.51 ms | 3.75 ms 10,000 | 34.76 ms | 7.73 ms | 11.98 ms 49,871 | 57.83 ms | 4.59 ms | 63.10 ms 97,643 | 106.18 ms | 15.24 ms | 8.78 ms 495,995 | 347.92 ms | 57.23 ms | 35.32 ms 944,282 | 522.08 ms | 140.87 ms | 104.46 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 | 457.1 µs | 3.36 ms | 3.82 ms 10,000 | 10.74 ms | 4.13 ms | 14.87 ms 50,000 | 37.45 ms | 2.58 ms | 40.02 ms 100,000 | 8.72 ms | 647.3 µs | 9.37 ms 500,000 | 27.77 ms | 3.26 ms | 31.04 ms 948,423 | 70.02 ms | 2.78 ms | 72.80 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 | 3.79 ms ( 0.6x) | 742.2 µs ( 0.6x) | 713.7 µs ( 0.8x) 2x | 19,996 | 9.76 ms ( 1.6x) | 1.12 ms ( 0.9x) | 974.9 µs ( 1.1x) 5x | 49,871 | 23.34 ms ( 3.7x) | 3.44 ms ( 2.6x) | 3.36 ms ( 3.8x) 10x | 97,643 | 57.22 ms ( 9.2x) | 6.24 ms ( 4.8x) | 4.78 ms ( 5.4x) 20x | 196,569 | 70.25 ms (11.2x) | 18.44 ms (14.2x) | 29.74 ms (33.4x) 50x | 495,995 | 352.50 ms (56.4x) | 34.19 ms (26.3x) | 35.23 ms (39.6x) 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 | 198.0 µs | 5 | 219.5 µs 10,000 | 5 | 648.2 µs | 5 | 607.7 µs 97,643 | 5 | 13.01 ms | 5 | 56.88 ms 495,995 | 5 | 67.36 ms | 5 | 27.01 ms 944,282 | 5 | 117.05 ms | 5 | 112.40 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 | 5.94 ms | 4.98 ms 2 | 10.28 ms | 15.33 ms 3 | 13.03 ms | 50.26 ms 5 | 46.78 ms | 50.79 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.41 ms (baseline: 1.32 ms, +81.7%) ⚠️ sparkline.movingAvg.100: 5.49 ms (baseline: 3.16 ms, +73.9%) ⚠️ sparkline.rdp.100: 3.39 ms (baseline: 1.68 ms, +101.3%) ⚠️ sparkline.none.1000: 10.25 ms (baseline: 2.31 ms, +344.2%) ⚠️ sparkline.movingAvg.1000: 3.51 ms (baseline: 1.73 ms, +103.2%) ⚠️ sparkline.rdp.1000: 3.75 ms (baseline: 1.34 ms, +178.9%) ⚠️ sparkline.none.10000: 34.76 ms (baseline: 9.55 ms, +263.9%) ⚠️ sparkline.movingAvg.10000: 7.73 ms (baseline: 2.21 ms, +249.1%) ⚠️ sparkline.rdp.10000: 11.98 ms (baseline: 4.12 ms, +190.7%) ⚠️ sparkline.none.50000: 57.83 ms (baseline: 21.18 ms, +173.1%) ⚠️ sparkline.movingAvg.50000: 4.59 ms (baseline: 2.49 ms, +84.1%) ⚠️ sparkline.rdp.50000: 63.10 ms (baseline: 14.65 ms, +330.8%) ⚠️ sparkline.none.100000: 106.18 ms (baseline: 40.32 ms, +163.3%) ⚠️ sparkline.movingAvg.100000: 15.24 ms (baseline: 5.59 ms, +172.6%) ✓ sparkline.rdp.100000: 8.78 ms (baseline: 14.29 ms, -38.5%) ⚠️ sparkline.none.500000: 347.92 ms (baseline: 202.21 ms, +72.1%) ⚠️ sparkline.movingAvg.500000: 57.23 ms (baseline: 37.79 ms, +51.4%) sparkline.rdp.500000: 35.32 ms (baseline: 30.63 ms, +15.3%) ⚠️ sparkline.none.948423: 522.08 ms (baseline: 370.92 ms, +40.8%) ⚠️ sparkline.movingAvg.948423: 140.87 ms (baseline: 91.35 ms, +54.2%) ⚠️ sparkline.rdp.948423: 104.46 ms (baseline: 69.58 ms, +50.1%) windrose.aggregation.1000: 457.1 µs (baseline: 419.6 µs, +8.9%) ⚠️ windrose.draw.1000: 3.36 ms (baseline: 1.53 ms, +120.2%) ⚠️ windrose.aggregation.10000: 10.74 ms (baseline: 4.64 ms, +131.3%) ⚠️ windrose.draw.10000: 4.13 ms (baseline: 622.4 µs, +563.3%) ⚠️ windrose.aggregation.50000: 37.45 ms (baseline: 9.45 ms, +296.3%) ⚠️ windrose.draw.50000: 2.58 ms (baseline: 763.1 µs, +237.6%) ⚠️ windrose.aggregation.100000: 8.72 ms (baseline: 4.57 ms, +91.1%) windrose.draw.100000: 647.3 µs (baseline: 685.6 µs, -5.6%) ⚠️ windrose.aggregation.500000: 27.77 ms (baseline: 17.35 ms, +60.1%) ⚠️ windrose.draw.500000: 3.26 ms (baseline: 675.9 µs, +382.5%) ⚠️ windrose.aggregation.948423: 70.02 ms (baseline: 49.08 ms, +42.7%) ⚠️ windrose.draw.948423: 2.78 ms (baseline: 635.7 µs, +337.2%) ✓ scaling.none.1x: 3.79 ms (baseline: 7.17 ms, -47.1%) ⚠️ scaling.movingAvg.1x: 742.2 µs (baseline: 570.1 µs, +30.2%) ⚠️ scaling.rdp.1x: 713.7 µs (baseline: 576.5 µs, +23.8%) ⚠️ scaling.none.2x: 9.76 ms (baseline: 7.90 ms, +23.7%) scaling.movingAvg.2x: 1.12 ms (baseline: 1.15 ms, -2.3%) scaling.rdp.2x: 974.9 µs (baseline: 936.2 µs, +4.1%) ⚠️ scaling.none.5x: 23.34 ms (baseline: 16.42 ms, +42.1%) ⚠️ scaling.movingAvg.5x: 3.44 ms (baseline: 2.35 ms, +46.5%) ✓ scaling.rdp.5x: 3.36 ms (baseline: 3.99 ms, -15.8%) ⚠️ scaling.none.10x: 57.22 ms (baseline: 37.95 ms, +50.8%) scaling.movingAvg.10x: 6.24 ms (baseline: 5.60 ms, +11.4%) ✓ scaling.rdp.10x: 4.78 ms (baseline: 6.44 ms, -25.9%) scaling.none.20x: 70.25 ms (baseline: 64.96 ms, +8.1%) ⚠️ scaling.movingAvg.20x: 18.44 ms (baseline: 9.60 ms, +92.2%) ⚠️ scaling.rdp.20x: 29.74 ms (baseline: 10.25 ms, +190.2%) ⚠️ scaling.none.50x: 352.50 ms (baseline: 185.34 ms, +90.2%) ✓ scaling.movingAvg.50x: 34.19 ms (baseline: 39.94 ms, -14.4%) ✓ scaling.rdp.50x: 35.23 ms (baseline: 48.89 ms, -27.9%) ⚠️ multiseries.movingAvg.1series: 5.94 ms (baseline: 4.90 ms, +21.1%) ✓ multiseries.rdp.1series: 4.98 ms (baseline: 11.77 ms, -57.7%) multiseries.movingAvg.2series: 10.28 ms (baseline: 9.52 ms, +8.0%) multiseries.rdp.2series: 15.33 ms (baseline: 14.11 ms, +8.6%) multiseries.movingAvg.3series: 13.03 ms (baseline: 13.29 ms, -1.9%) ⚠️ multiseries.rdp.3series: 50.26 ms (baseline: 22.84 ms, +120.0%) ⚠️ multiseries.movingAvg.5series: 46.78 ms (baseline: 20.54 ms, +127.7%) ⚠️ multiseries.rdp.5series: 50.79 ms (baseline: 35.91 ms, +41.5%) 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: 45.04 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: 0.023 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: 20.96 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: 01:17 min [INFO] Finished at: 2026-08-11T17:06:11Z [INFO] ------------------------------------------------------------------------