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: 3.053 s [INFO] Finished at: 2026-07-21T19:38:59Z [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: 2.266 s [INFO] Finished at: 2026-07-21T19:39:04Z [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: 2026-07-21T18:33:13.341472744Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 19:39:42.610 [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 | 7.65 ms | 8.53 ms | 8.86 ms 1,000 | 11.76 ms | 5.05 ms | 4.01 ms 10,000 | 22.73 ms | 955.7 µs | 18.14 ms 49,871 | 40.78 ms | 3.50 ms | 51.96 ms 97,643 | 93.25 ms | 12.91 ms | 17.32 ms 495,995 | 347.75 ms | 35.86 ms | 21.59 ms 944,282 | 672.39 ms | 145.46 ms | 72.34 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 | 444.4 µs | 1.16 ms | 1.61 ms 10,000 | 3.11 ms | 1.00 ms | 4.12 ms 50,000 | 13.08 ms | 1.82 ms | 14.90 ms 100,000 | 9.37 ms | 1.69 ms | 11.05 ms 500,000 | 37.10 ms | 638.5 µs | 37.74 ms 948,423 | 60.65 ms | 657.0 µs | 61.31 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 | 7.92 ms ( 0.5x) | 1.27 ms ( 0.7x) | 1.00 ms ( 0.4x) 2x | 19,996 | 20.68 ms ( 1.4x) | 3.57 ms ( 1.9x) | 1.91 ms ( 0.9x) 5x | 49,871 | 43.99 ms ( 3.0x) | 6.71 ms ( 3.5x) | 2.42 ms ( 1.1x) 10x | 97,643 | 54.39 ms ( 3.7x) | 10.21 ms ( 5.4x) | 8.83 ms ( 3.9x) 20x | 196,569 | 135.55 ms ( 9.2x) | 13.63 ms ( 7.2x) | 32.83 ms (14.7x) 50x | 495,995 | 280.43 ms (18.9x) | 64.65 ms (34.1x) | 69.34 ms (31.0x) 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 | 1.67 ms | 5 | 312.6 µs 10,000 | 5 | 1.45 ms | 5 | 579.3 µs 97,643 | 5 | 12.22 ms | 5 | 9.08 ms 495,995 | 5 | 40.67 ms | 5 | 63.23 ms 944,282 | 5 | 134.26 ms | 5 | 58.75 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 | 5.27 ms | 3.60 ms 2 | 12.06 ms | 9.91 ms 3 | 17.90 ms | 19.72 ms 5 | 44.13 ms | 38.67 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 7.65 ms (baseline: 7.08 ms, +7.9%) ⚠️ sparkline.movingAvg.100: 8.53 ms (baseline: 4.83 ms, +76.7%) ⚠️ sparkline.rdp.100: 8.86 ms (baseline: 1.85 ms, +377.6%) ⚠️ sparkline.none.1000: 11.76 ms (baseline: 3.43 ms, +243.0%) ⚠️ sparkline.movingAvg.1000: 5.05 ms (baseline: 2.26 ms, +123.2%) ⚠️ sparkline.rdp.1000: 4.01 ms (baseline: 1.57 ms, +154.7%) ✓ sparkline.none.10000: 22.73 ms (baseline: 38.28 ms, -40.6%) ✓ sparkline.movingAvg.10000: 955.7 µs (baseline: 4.34 ms, -78.0%) ⚠️ sparkline.rdp.10000: 18.14 ms (baseline: 4.54 ms, +299.1%) ✓ sparkline.none.50000: 40.78 ms (baseline: 51.22 ms, -20.4%) sparkline.movingAvg.50000: 3.50 ms (baseline: 3.62 ms, -3.2%) sparkline.rdp.50000: 51.96 ms (baseline: 53.67 ms, -3.2%) sparkline.none.100000: 93.25 ms (baseline: 79.71 ms, +17.0%) ⚠️ sparkline.movingAvg.100000: 12.91 ms (baseline: 7.58 ms, +70.4%) ⚠️ sparkline.rdp.100000: 17.32 ms (baseline: 7.96 ms, +117.6%) sparkline.none.500000: 347.75 ms (baseline: 352.33 ms, -1.3%) ✓ sparkline.movingAvg.500000: 35.86 ms (baseline: 59.34 ms, -39.6%) ✓ sparkline.rdp.500000: 21.59 ms (baseline: 37.57 ms, -42.5%) sparkline.none.948423: 672.39 ms (baseline: 706.38 ms, -4.8%) sparkline.movingAvg.948423: 145.46 ms (baseline: 135.93 ms, +7.0%) sparkline.rdp.948423: 72.34 ms (baseline: 67.60 ms, +7.0%) windrose.aggregation.1000: 444.4 µs (baseline: 452.5 µs, -1.8%) ✓ windrose.draw.1000: 1.16 ms (baseline: 1.93 ms, -39.8%) ⚠️ windrose.aggregation.10000: 3.11 ms (baseline: 1.58 ms, +97.7%) ✓ windrose.draw.10000: 1.00 ms (baseline: 2.68 ms, -62.6%) windrose.aggregation.50000: 13.08 ms (baseline: 12.75 ms, +2.5%) ⚠️ windrose.draw.50000: 1.82 ms (baseline: 1.03 ms, +77.0%) ✓ windrose.aggregation.100000: 9.37 ms (baseline: 17.90 ms, -47.7%) ⚠️ windrose.draw.100000: 1.69 ms (baseline: 1.19 ms, +41.6%) ⚠️ windrose.aggregation.500000: 37.10 ms (baseline: 26.53 ms, +39.8%) windrose.draw.500000: 638.5 µs (baseline: 639.6 µs, -0.2%) ⚠️ windrose.aggregation.948423: 60.65 ms (baseline: 47.61 ms, +27.4%) ✓ windrose.draw.948423: 657.0 µs (baseline: 830.6 µs, -20.9%) ✓ scaling.none.1x: 7.92 ms (baseline: 9.52 ms, -16.8%) ✓ scaling.movingAvg.1x: 1.27 ms (baseline: 2.03 ms, -37.4%) ✓ scaling.rdp.1x: 1.00 ms (baseline: 1.74 ms, -42.4%) scaling.none.2x: 20.68 ms (baseline: 21.77 ms, -5.0%) ⚠️ scaling.movingAvg.2x: 3.57 ms (baseline: 2.10 ms, +70.1%) ⚠️ scaling.rdp.2x: 1.91 ms (baseline: 1.15 ms, +67.0%) ⚠️ scaling.none.5x: 43.99 ms (baseline: 30.90 ms, +42.4%) ⚠️ scaling.movingAvg.5x: 6.71 ms (baseline: 3.78 ms, +77.4%) ✓ scaling.rdp.5x: 2.42 ms (baseline: 3.52 ms, -31.3%) scaling.none.10x: 54.39 ms (baseline: 56.84 ms, -4.3%) ⚠️ scaling.movingAvg.10x: 10.21 ms (baseline: 5.90 ms, +73.1%) ⚠️ scaling.rdp.10x: 8.83 ms (baseline: 6.30 ms, +40.1%) scaling.none.20x: 135.55 ms (baseline: 132.71 ms, +2.1%) ✓ scaling.movingAvg.20x: 13.63 ms (baseline: 17.00 ms, -19.8%) ⚠️ scaling.rdp.20x: 32.83 ms (baseline: 8.80 ms, +273.0%) ✓ scaling.none.50x: 280.43 ms (baseline: 315.58 ms, -11.1%) ⚠️ scaling.movingAvg.50x: 64.65 ms (baseline: 51.98 ms, +24.4%) ⚠️ scaling.rdp.50x: 69.34 ms (baseline: 28.07 ms, +147.0%) ✓ multiseries.movingAvg.1series: 5.27 ms (baseline: 14.53 ms, -63.7%) ✓ multiseries.rdp.1series: 3.60 ms (baseline: 4.53 ms, -20.6%) ✓ multiseries.movingAvg.2series: 12.06 ms (baseline: 21.34 ms, -43.5%) ✓ multiseries.rdp.2series: 9.91 ms (baseline: 35.11 ms, -71.8%) ⚠️ multiseries.movingAvg.3series: 17.90 ms (baseline: 14.68 ms, +21.9%) multiseries.rdp.3series: 19.72 ms (baseline: 17.76 ms, +11.0%) ⚠️ multiseries.movingAvg.5series: 44.13 ms (baseline: 34.95 ms, +26.3%) ⚠️ multiseries.rdp.5series: 38.67 ms (baseline: 23.81 ms, +62.4%) 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: 46.22 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: 0.021 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: 0.032 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: 20.07 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: 2026-07-21T19:40:31Z [INFO] ------------------------------------------------------------------------