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=25.2.0 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.893 s [INFO] Finished at: 2026-06-24T07:10:24Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.0 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.2.0 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.241 s [INFO] Finished at: 2026-06-24T07:10:29Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-24T05:32:46.278248722Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:11:06.355 [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 | 7.12 ms | 3.77 ms | 2.62 ms 1,000 | 5.78 ms | 3.32 ms | 2.79 ms 10,000 | 41.03 ms | 5.63 ms | 6.74 ms 49,871 | 39.59 ms | 2.93 ms | 85.99 ms 97,643 | 76.74 ms | 17.64 ms | 22.45 ms 495,995 | 375.04 ms | 67.50 ms | 79.65 ms 944,282 | 695.23 ms | 155.57 ms | 115.60 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 | 6.63 ms | 1.79 ms | 8.42 ms 10,000 | 3.47 ms | 2.17 ms | 5.64 ms 50,000 | 10.89 ms | 1.35 ms | 12.24 ms 100,000 | 23.51 ms | 759.4 µs | 24.27 ms 500,000 | 44.35 ms | 554.1 µs | 44.90 ms 948,423 | 57.31 ms | 739.9 µs | 58.05 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 | 4.68 ms ( 0.6x) | 765.9 µs ( 0.9x) | 756.3 µs ( 0.8x) 2x | 19,996 | 16.82 ms ( 2.0x) | 1.34 ms ( 1.6x) | 889.4 µs ( 1.0x) 5x | 49,871 | 32.92 ms ( 4.0x) | 2.95 ms ( 3.6x) | 4.51 ms ( 4.9x) 10x | 97,643 | 58.83 ms ( 7.1x) | 13.43 ms (16.2x) | 3.51 ms ( 3.8x) 20x | 196,569 | 121.34 ms (14.7x) | 13.21 ms (16.0x) | 20.25 ms (22.1x) 50x | 495,995 | 346.94 ms (41.9x) | 49.13 ms (59.3x) | 33.62 ms (36.6x) 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 | 710.5 µs | 5 | 813.1 µs 10,000 | 5 | 584.8 µs | 5 | 458.4 µs 97,643 | 5 | 7.37 ms | 5 | 5.25 ms 495,995 | 5 | 46.92 ms | 5 | 42.76 ms 944,282 | 5 | 113.10 ms | 5 | 124.43 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 | 15.68 ms | 8.09 ms 2 | 12.53 ms | 11.08 ms 3 | 20.78 ms | 13.72 ms 5 | 35.59 ms | 45.79 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 7.12 ms (baseline: 4.12 ms, +72.9%) ✓ sparkline.movingAvg.100: 3.77 ms (baseline: 5.05 ms, -25.4%) ✓ sparkline.rdp.100: 2.62 ms (baseline: 3.11 ms, -15.7%) ✓ sparkline.none.1000: 5.78 ms (baseline: 7.98 ms, -27.5%) ✓ sparkline.movingAvg.1000: 3.32 ms (baseline: 4.54 ms, -26.8%) ✓ sparkline.rdp.1000: 2.79 ms (baseline: 4.10 ms, -32.0%) sparkline.none.10000: 41.03 ms (baseline: 35.21 ms, +16.5%) ⚠️ sparkline.movingAvg.10000: 5.63 ms (baseline: 1.11 ms, +406.8%) sparkline.rdp.10000: 6.74 ms (baseline: 6.06 ms, +11.2%) ✓ sparkline.none.50000: 39.59 ms (baseline: 68.95 ms, -42.6%) ✓ sparkline.movingAvg.50000: 2.93 ms (baseline: 6.21 ms, -52.8%) ⚠️ sparkline.rdp.50000: 85.99 ms (baseline: 66.78 ms, +28.8%) sparkline.none.100000: 76.74 ms (baseline: 77.33 ms, -0.8%) ⚠️ sparkline.movingAvg.100000: 17.64 ms (baseline: 11.73 ms, +50.4%) ⚠️ sparkline.rdp.100000: 22.45 ms (baseline: 7.75 ms, +189.7%) sparkline.none.500000: 375.04 ms (baseline: 409.05 ms, -8.3%) ⚠️ sparkline.movingAvg.500000: 67.50 ms (baseline: 54.04 ms, +24.9%) ⚠️ sparkline.rdp.500000: 79.65 ms (baseline: 25.95 ms, +207.0%) sparkline.none.948423: 695.23 ms (baseline: 654.56 ms, +6.2%) sparkline.movingAvg.948423: 155.57 ms (baseline: 131.33 ms, +18.5%) sparkline.rdp.948423: 115.60 ms (baseline: 106.38 ms, +8.7%) ⚠️ windrose.aggregation.1000: 6.63 ms (baseline: 403.8 µs, +1541.9%) ⚠️ windrose.draw.1000: 1.79 ms (baseline: 808.1 µs, +121.7%) ⚠️ windrose.aggregation.10000: 3.47 ms (baseline: 1.67 ms, +108.2%) ✓ windrose.draw.10000: 2.17 ms (baseline: 3.06 ms, -29.3%) ✓ windrose.aggregation.50000: 10.89 ms (baseline: 26.60 ms, -59.1%) ✓ windrose.draw.50000: 1.35 ms (baseline: 2.68 ms, -49.7%) ⚠️ windrose.aggregation.100000: 23.51 ms (baseline: 15.29 ms, +53.7%) ✓ windrose.draw.100000: 759.4 µs (baseline: 2.14 ms, -64.5%) ⚠️ windrose.aggregation.500000: 44.35 ms (baseline: 18.46 ms, +140.2%) windrose.draw.500000: 554.1 µs (baseline: 556.6 µs, -0.5%) ⚠️ windrose.aggregation.948423: 57.31 ms (baseline: 29.12 ms, +96.8%) windrose.draw.948423: 739.9 µs (baseline: 711.9 µs, +3.9%) scaling.none.1x: 4.68 ms (baseline: 4.48 ms, +4.4%) scaling.movingAvg.1x: 765.9 µs (baseline: 781.5 µs, -2.0%) ⚠️ scaling.rdp.1x: 756.3 µs (baseline: 556.0 µs, +36.0%) scaling.none.2x: 16.82 ms (baseline: 14.24 ms, +18.1%) scaling.movingAvg.2x: 1.34 ms (baseline: 1.39 ms, -3.1%) ✓ scaling.rdp.2x: 889.4 µs (baseline: 2.15 ms, -58.7%) ⚠️ scaling.none.5x: 32.92 ms (baseline: 23.60 ms, +39.5%) ✓ scaling.movingAvg.5x: 2.95 ms (baseline: 5.24 ms, -43.7%) ✓ scaling.rdp.5x: 4.51 ms (baseline: 7.27 ms, -38.0%) scaling.none.10x: 58.83 ms (baseline: 53.89 ms, +9.2%) ⚠️ scaling.movingAvg.10x: 13.43 ms (baseline: 6.21 ms, +116.4%) scaling.rdp.10x: 3.51 ms (baseline: 3.67 ms, -4.2%) ✓ scaling.none.20x: 121.34 ms (baseline: 138.73 ms, -12.5%) scaling.movingAvg.20x: 13.21 ms (baseline: 12.59 ms, +4.9%) ⚠️ scaling.rdp.20x: 20.25 ms (baseline: 11.57 ms, +75.0%) scaling.none.50x: 346.94 ms (baseline: 309.16 ms, +12.2%) scaling.movingAvg.50x: 49.13 ms (baseline: 46.08 ms, +6.6%) scaling.rdp.50x: 33.62 ms (baseline: 33.73 ms, -0.3%) ⚠️ multiseries.movingAvg.1series: 15.68 ms (baseline: 7.88 ms, +99.1%) ⚠️ multiseries.rdp.1series: 8.09 ms (baseline: 4.36 ms, +85.7%) ✓ multiseries.movingAvg.2series: 12.53 ms (baseline: 23.37 ms, -46.4%) ✓ multiseries.rdp.2series: 11.08 ms (baseline: 15.73 ms, -29.6%) ✓ multiseries.movingAvg.3series: 20.78 ms (baseline: 26.46 ms, -21.5%) ✓ multiseries.rdp.3series: 13.72 ms (baseline: 20.01 ms, -31.4%) multiseries.movingAvg.5series: 35.59 ms (baseline: 35.51 ms, +0.2%) ⚠️ multiseries.rdp.5series: 45.79 ms (baseline: 33.58 ms, +36.4%) 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: 46.64 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: 0.037 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: 0.090 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: 20.57 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: 2026-06-24T07:11:56Z [INFO] ------------------------------------------------------------------------