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: 3.076 s [INFO] Finished at: 2026-07-23T01:44:48Z [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: 2.407 s [INFO] Finished at: 2026-07-23T01:44:53Z [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: 2026-07-23T00:30:46.027752817Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 01:45:32.343 [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 | 2.43 ms | 3.87 ms | 3.52 ms 1,000 | 5.71 ms | 5.91 ms | 4.52 ms 10,000 | 16.49 ms | 6.06 ms | 4.94 ms 49,871 | 35.18 ms | 5.97 ms | 34.83 ms 97,643 | 76.58 ms | 16.11 ms | 16.14 ms 495,995 | 329.56 ms | 51.26 ms | 30.80 ms 944,282 | 662.44 ms | 142.58 ms | 84.24 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 | 436.2 µs | 2.24 ms | 2.67 ms 10,000 | 1.81 ms | 1.93 ms | 3.74 ms 50,000 | 20.38 ms | 3.58 ms | 23.96 ms 100,000 | 24.15 ms | 2.04 ms | 26.19 ms 500,000 | 48.16 ms | 1.27 ms | 49.43 ms 948,423 | 116.54 ms | 1.84 ms | 118.38 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 | 5.29 ms ( 0.4x) | 701.4 µs ( 0.6x) | 573.8 µs ( 0.8x) 2x | 19,996 | 19.79 ms ( 1.5x) | 1.79 ms ( 1.5x) | 2.31 ms ( 3.2x) 5x | 49,871 | 39.47 ms ( 3.1x) | 2.77 ms ( 2.3x) | 1.98 ms ( 2.7x) 10x | 97,643 | 54.09 ms ( 4.2x) | 10.23 ms ( 8.3x) | 6.52 ms ( 9.0x) 20x | 196,569 | 113.25 ms ( 8.8x) | 16.65 ms (13.6x) | 11.79 ms (16.3x) 50x | 495,995 | 327.47 ms (25.5x) | 26.80 ms (21.8x) | 32.82 ms (45.3x) 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 | 151.6 µs | 5 | 204.4 µs 10,000 | 5 | 745.6 µs | 5 | 585.2 µs 97,643 | 5 | 6.26 ms | 5 | 4.03 ms 495,995 | 5 | 45.00 ms | 5 | 33.10 ms 944,282 | 5 | 113.68 ms | 5 | 68.31 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 | 7.03 ms | 6.56 ms 2 | 11.81 ms | 19.78 ms 3 | 28.94 ms | 22.39 ms 5 | 23.66 ms | 31.27 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 2.43 ms (baseline: 2.10 ms, +16.0%) sparkline.movingAvg.100: 3.87 ms (baseline: 3.84 ms, +0.9%) ✓ sparkline.rdp.100: 3.52 ms (baseline: 5.15 ms, -31.8%) ✓ sparkline.none.1000: 5.71 ms (baseline: 10.12 ms, -43.6%) sparkline.movingAvg.1000: 5.91 ms (baseline: 5.45 ms, +8.5%) sparkline.rdp.1000: 4.52 ms (baseline: 4.10 ms, +10.3%) ✓ sparkline.none.10000: 16.49 ms (baseline: 20.36 ms, -19.0%) ⚠️ sparkline.movingAvg.10000: 6.06 ms (baseline: 2.66 ms, +128.0%) sparkline.rdp.10000: 4.94 ms (baseline: 5.03 ms, -1.8%) sparkline.none.50000: 35.18 ms (baseline: 38.81 ms, -9.3%) ✓ sparkline.movingAvg.50000: 5.97 ms (baseline: 10.69 ms, -44.2%) ✓ sparkline.rdp.50000: 34.83 ms (baseline: 70.92 ms, -50.9%) sparkline.none.100000: 76.58 ms (baseline: 76.81 ms, -0.3%) ⚠️ sparkline.movingAvg.100000: 16.11 ms (baseline: 6.15 ms, +161.9%) ⚠️ sparkline.rdp.100000: 16.14 ms (baseline: 10.48 ms, +54.0%) ✓ sparkline.none.500000: 329.56 ms (baseline: 378.41 ms, -12.9%) ⚠️ sparkline.movingAvg.500000: 51.26 ms (baseline: 35.75 ms, +43.4%) ✓ sparkline.rdp.500000: 30.80 ms (baseline: 35.88 ms, -14.2%) sparkline.none.948423: 662.44 ms (baseline: 657.85 ms, +0.7%) ⚠️ sparkline.movingAvg.948423: 142.58 ms (baseline: 118.08 ms, +20.7%) ✓ sparkline.rdp.948423: 84.24 ms (baseline: 157.21 ms, -46.4%) ✓ windrose.aggregation.1000: 436.2 µs (baseline: 626.5 µs, -30.4%) ✓ windrose.draw.1000: 2.24 ms (baseline: 3.06 ms, -26.8%) windrose.aggregation.10000: 1.81 ms (baseline: 1.78 ms, +1.6%) windrose.draw.10000: 1.93 ms (baseline: 2.05 ms, -5.8%) ⚠️ windrose.aggregation.50000: 20.38 ms (baseline: 9.47 ms, +115.2%) ⚠️ windrose.draw.50000: 3.58 ms (baseline: 1.55 ms, +130.4%) windrose.aggregation.100000: 24.15 ms (baseline: 25.64 ms, -5.8%) ✓ windrose.draw.100000: 2.04 ms (baseline: 4.02 ms, -49.2%) ✓ windrose.aggregation.500000: 48.16 ms (baseline: 86.99 ms, -44.6%) ⚠️ windrose.draw.500000: 1.27 ms (baseline: 1.01 ms, +25.8%) windrose.aggregation.948423: 116.54 ms (baseline: 103.47 ms, +12.6%) ✓ windrose.draw.948423: 1.84 ms (baseline: 2.06 ms, -10.8%) ✓ scaling.none.1x: 5.29 ms (baseline: 7.30 ms, -27.5%) ✓ scaling.movingAvg.1x: 701.4 µs (baseline: 1.21 ms, -41.8%) ✓ scaling.rdp.1x: 573.8 µs (baseline: 697.1 µs, -17.7%) scaling.none.2x: 19.79 ms (baseline: 19.64 ms, +0.8%) ⚠️ scaling.movingAvg.2x: 1.79 ms (baseline: 1.44 ms, +24.7%) ⚠️ scaling.rdp.2x: 2.31 ms (baseline: 1.34 ms, +72.7%) ⚠️ scaling.none.5x: 39.47 ms (baseline: 28.82 ms, +36.9%) ✓ scaling.movingAvg.5x: 2.77 ms (baseline: 7.92 ms, -65.0%) ✓ scaling.rdp.5x: 1.98 ms (baseline: 4.09 ms, -51.7%) scaling.none.10x: 54.09 ms (baseline: 57.04 ms, -5.2%) ⚠️ scaling.movingAvg.10x: 10.23 ms (baseline: 5.90 ms, +73.5%) scaling.rdp.10x: 6.52 ms (baseline: 7.17 ms, -9.0%) scaling.none.20x: 113.25 ms (baseline: 105.24 ms, +7.6%) scaling.movingAvg.20x: 16.65 ms (baseline: 14.33 ms, +16.2%) scaling.rdp.20x: 11.79 ms (baseline: 10.76 ms, +9.5%) scaling.none.50x: 327.47 ms (baseline: 280.73 ms, +16.6%) ✓ scaling.movingAvg.50x: 26.80 ms (baseline: 72.42 ms, -63.0%) ✓ scaling.rdp.50x: 32.82 ms (baseline: 81.65 ms, -59.8%) ✓ multiseries.movingAvg.1series: 7.03 ms (baseline: 13.28 ms, -47.0%) ✓ multiseries.rdp.1series: 6.56 ms (baseline: 10.39 ms, -36.9%) ✓ multiseries.movingAvg.2series: 11.81 ms (baseline: 16.94 ms, -30.3%) ⚠️ multiseries.rdp.2series: 19.78 ms (baseline: 16.14 ms, +22.6%) ⚠️ multiseries.movingAvg.3series: 28.94 ms (baseline: 20.82 ms, +39.0%) ⚠️ multiseries.rdp.3series: 22.39 ms (baseline: 15.73 ms, +42.3%) ✓ multiseries.movingAvg.5series: 23.66 ms (baseline: 26.34 ms, -10.2%) multiseries.rdp.5series: 31.27 ms (baseline: 27.08 ms, +15.5%) 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: 45.08 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: 0.008 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: 0.052 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: 21.95 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: 01:18 min [INFO] Finished at: 2026-07-23T01:46:22Z [INFO] ------------------------------------------------------------------------