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=25.1-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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: 2.945 s [INFO] Finished at: 2026-07-22T01:44:25Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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 -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.242 s [INFO] Finished at: 2026-07-22T01:44:30Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true [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: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-22T00:28:54.674855258Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 01:45:08.064 [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 | 2.34 ms | 3.17 ms | 1.78 ms 1,000 | 3.27 ms | 2.78 ms | 3.52 ms 10,000 | 31.92 ms | 8.95 ms | 6.76 ms 49,871 | 29.49 ms | 2.96 ms | 62.77 ms 97,643 | 72.52 ms | 15.25 ms | 66.69 ms 495,995 | 393.11 ms | 41.28 ms | 31.76 ms 944,282 | 617.95 ms | 130.82 ms | 60.71 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 | 909.0 µs | 3.35 ms | 4.26 ms 10,000 | 1.71 ms | 3.66 ms | 5.37 ms 50,000 | 13.09 ms | 2.22 ms | 15.31 ms 100,000 | 10.39 ms | 1.57 ms | 11.96 ms 500,000 | 59.21 ms | 4.09 ms | 63.29 ms 948,423 | 74.16 ms | 1.21 ms | 75.37 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 | 9.04 ms ( 0.9x) | 1.26 ms ( 1.1x) | 1.18 ms ( 0.8x) 2x | 19,996 | 10.07 ms ( 1.1x) | 2.36 ms ( 2.1x) | 1.27 ms ( 0.8x) 5x | 49,871 | 33.52 ms ( 3.5x) | 4.62 ms ( 4.2x) | 2.20 ms ( 1.4x) 10x | 97,643 | 61.51 ms ( 6.4x) | 6.53 ms ( 5.9x) | 4.07 ms ( 2.6x) 20x | 196,569 | 131.55 ms (13.8x) | 11.94 ms (10.8x) | 13.49 ms ( 8.6x) 50x | 495,995 | 312.67 ms (32.7x) | 80.67 ms (72.9x) | 28.50 ms (18.2x) 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 | 317.6 µs | 5 | 435.6 µs 10,000 | 5 | 777.6 µs | 5 | 1.78 ms 97,643 | 5 | 7.84 ms | 5 | 7.20 ms 495,995 | 5 | 41.31 ms | 5 | 70.93 ms 944,282 | 5 | 146.32 ms | 5 | 53.53 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 | 9.46 ms | 4.88 ms 2 | 28.71 ms | 9.71 ms 3 | 14.19 ms | 18.70 ms 5 | 25.18 ms | 35.41 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.34 ms (baseline: 3.07 ms, -23.6%) sparkline.movingAvg.100: 3.17 ms (baseline: 3.02 ms, +5.0%) ✓ sparkline.rdp.100: 1.78 ms (baseline: 2.22 ms, -20.0%) ✓ sparkline.none.1000: 3.27 ms (baseline: 5.77 ms, -43.3%) ✓ sparkline.movingAvg.1000: 2.78 ms (baseline: 4.04 ms, -31.2%) ⚠️ sparkline.rdp.1000: 3.52 ms (baseline: 1.76 ms, +100.1%) sparkline.none.10000: 31.92 ms (baseline: 29.15 ms, +9.5%) ⚠️ sparkline.movingAvg.10000: 8.95 ms (baseline: 7.09 ms, +26.2%) ✓ sparkline.rdp.10000: 6.76 ms (baseline: 14.42 ms, -53.1%) ✓ sparkline.none.50000: 29.49 ms (baseline: 94.45 ms, -68.8%) ✓ sparkline.movingAvg.50000: 2.96 ms (baseline: 6.22 ms, -52.4%) ⚠️ sparkline.rdp.50000: 62.77 ms (baseline: 6.81 ms, +821.1%) ✓ sparkline.none.100000: 72.52 ms (baseline: 83.69 ms, -13.3%) ⚠️ sparkline.movingAvg.100000: 15.25 ms (baseline: 7.37 ms, +106.9%) ⚠️ sparkline.rdp.100000: 66.69 ms (baseline: 7.58 ms, +779.4%) sparkline.none.500000: 393.11 ms (baseline: 340.51 ms, +15.4%) sparkline.movingAvg.500000: 41.28 ms (baseline: 41.25 ms, +0.1%) ⚠️ sparkline.rdp.500000: 31.76 ms (baseline: 22.40 ms, +41.8%) sparkline.none.948423: 617.95 ms (baseline: 640.91 ms, -3.6%) sparkline.movingAvg.948423: 130.82 ms (baseline: 128.55 ms, +1.8%) ✓ sparkline.rdp.948423: 60.71 ms (baseline: 86.69 ms, -30.0%) ⚠️ windrose.aggregation.1000: 909.0 µs (baseline: 440.6 µs, +106.3%) ⚠️ windrose.draw.1000: 3.35 ms (baseline: 2.22 ms, +50.6%) windrose.aggregation.10000: 1.71 ms (baseline: 1.57 ms, +9.0%) ⚠️ windrose.draw.10000: 3.66 ms (baseline: 2.74 ms, +33.5%) windrose.aggregation.50000: 13.09 ms (baseline: 13.43 ms, -2.6%) windrose.draw.50000: 2.22 ms (baseline: 1.99 ms, +11.7%) ⚠️ windrose.aggregation.100000: 10.39 ms (baseline: 6.09 ms, +70.6%) ⚠️ windrose.draw.100000: 1.57 ms (baseline: 1.16 ms, +36.1%) ⚠️ windrose.aggregation.500000: 59.21 ms (baseline: 40.18 ms, +47.3%) ⚠️ windrose.draw.500000: 4.09 ms (baseline: 2.02 ms, +102.1%) windrose.aggregation.948423: 74.16 ms (baseline: 73.61 ms, +0.8%) windrose.draw.948423: 1.21 ms (baseline: 1.10 ms, +9.7%) scaling.none.1x: 9.04 ms (baseline: 8.20 ms, +10.1%) ✓ scaling.movingAvg.1x: 1.26 ms (baseline: 3.93 ms, -67.9%) ✓ scaling.rdp.1x: 1.18 ms (baseline: 2.26 ms, -47.7%) ✓ scaling.none.2x: 10.07 ms (baseline: 17.38 ms, -42.0%) ⚠️ scaling.movingAvg.2x: 2.36 ms (baseline: 1.93 ms, +22.5%) ✓ scaling.rdp.2x: 1.27 ms (baseline: 6.36 ms, -80.1%) scaling.none.5x: 33.52 ms (baseline: 29.36 ms, +14.2%) ✓ scaling.movingAvg.5x: 4.62 ms (baseline: 6.27 ms, -26.3%) ✓ scaling.rdp.5x: 2.20 ms (baseline: 6.20 ms, -64.5%) ⚠️ scaling.none.10x: 61.51 ms (baseline: 50.76 ms, +21.2%) ✓ scaling.movingAvg.10x: 6.53 ms (baseline: 8.35 ms, -21.8%) ⚠️ scaling.rdp.10x: 4.07 ms (baseline: 3.37 ms, +20.8%) ⚠️ scaling.none.20x: 131.55 ms (baseline: 105.54 ms, +24.7%) ✓ scaling.movingAvg.20x: 11.94 ms (baseline: 19.55 ms, -38.9%) ✓ scaling.rdp.20x: 13.49 ms (baseline: 15.05 ms, -10.4%) scaling.none.50x: 312.67 ms (baseline: 347.07 ms, -9.9%) ⚠️ scaling.movingAvg.50x: 80.67 ms (baseline: 49.83 ms, +61.9%) ✓ scaling.rdp.50x: 28.50 ms (baseline: 38.78 ms, -26.5%) ⚠️ multiseries.movingAvg.1series: 9.46 ms (baseline: 5.49 ms, +72.2%) ✓ multiseries.rdp.1series: 4.88 ms (baseline: 6.23 ms, -21.6%) ⚠️ multiseries.movingAvg.2series: 28.71 ms (baseline: 11.78 ms, +143.7%) ✓ multiseries.rdp.2series: 9.71 ms (baseline: 14.06 ms, -30.9%) ✓ multiseries.movingAvg.3series: 14.19 ms (baseline: 25.99 ms, -45.4%) multiseries.rdp.3series: 18.70 ms (baseline: 19.10 ms, -2.1%) multiseries.movingAvg.5series: 25.18 ms (baseline: 23.36 ms, +7.8%) multiseries.rdp.5series: 35.41 ms (baseline: 30.02 ms, +18.0%) 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: 46.77 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: 0.038 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: 0.037 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: 19.35 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: 2026-07-22T01:45:56Z [INFO] ------------------------------------------------------------------------