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=25.2.1 -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: 2.794 s [INFO] Finished at: 2026-07-04T07:01:21Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.1 -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 -> 25.2.1 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.617 s [INFO] Finished at: 2026-07-04T07:01:27Z [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 6.8.0-134-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-04T05:26:58.501980436Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:02:03.352 [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 | 3.28 ms | 4.28 ms | 2.95 ms 1,000 | 3.20 ms | 3.49 ms | 3.80 ms 10,000 | 34.94 ms | 3.37 ms | 5.30 ms 49,871 | 31.54 ms | 14.08 ms | 63.82 ms 97,643 | 143.44 ms | 23.09 ms | 17.25 ms 495,995 | 360.31 ms | 51.53 ms | 61.97 ms 944,282 | 707.49 ms | 140.96 ms | 93.71 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 | 2.90 ms | 1.53 ms | 4.43 ms 10,000 | 4.68 ms | 2.35 ms | 7.03 ms 50,000 | 50.83 ms | 2.55 ms | 53.37 ms 100,000 | 11.28 ms | 2.65 ms | 13.93 ms 500,000 | 52.35 ms | 520.2 µs | 52.87 ms 948,423 | 92.74 ms | 2.41 ms | 95.15 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 | 9.43 ms ( 0.8x) | 1.03 ms ( 0.8x) | 673.1 µs ( 1.2x) 2x | 19,996 | 10.29 ms ( 0.9x) | 1.19 ms ( 0.9x) | 1.72 ms ( 3.0x) 5x | 49,871 | 27.75 ms ( 2.5x) | 2.59 ms ( 1.9x) | 1.94 ms ( 3.4x) 10x | 97,643 | 65.05 ms ( 5.8x) | 5.01 ms ( 3.7x) | 4.25 ms ( 7.4x) 20x | 196,569 | 129.55 ms (11.5x) | 18.13 ms (13.4x) | 9.68 ms (16.8x) 50x | 495,995 | 327.64 ms (29.1x) | 58.20 ms (43.0x) | 48.21 ms (83.8x) 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 | 288.1 µs | 5 | 1.66 ms 10,000 | 5 | 1.18 ms | 5 | 545.2 µs 97,643 | 5 | 14.14 ms | 5 | 10.34 ms 495,995 | 5 | 33.65 ms | 5 | 87.01 ms 944,282 | 5 | 162.99 ms | 5 | 105.75 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 | 5.21 ms | 3.71 ms 2 | 9.43 ms | 30.68 ms 3 | 14.14 ms | 19.50 ms 5 | 48.41 ms | 35.99 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.28 ms (baseline: 2.22 ms, +47.7%) ⚠️ sparkline.movingAvg.100: 4.28 ms (baseline: 3.55 ms, +20.6%) ✓ sparkline.rdp.100: 2.95 ms (baseline: 4.75 ms, -37.9%) ✓ sparkline.none.1000: 3.20 ms (baseline: 8.79 ms, -63.5%) ⚠️ sparkline.movingAvg.1000: 3.49 ms (baseline: 2.89 ms, +20.9%) sparkline.rdp.1000: 3.80 ms (baseline: 3.20 ms, +18.9%) ⚠️ sparkline.none.10000: 34.94 ms (baseline: 25.54 ms, +36.8%) ✓ sparkline.movingAvg.10000: 3.37 ms (baseline: 6.23 ms, -45.8%) ✓ sparkline.rdp.10000: 5.30 ms (baseline: 8.21 ms, -35.5%) sparkline.none.50000: 31.54 ms (baseline: 33.40 ms, -5.6%) ⚠️ sparkline.movingAvg.50000: 14.08 ms (baseline: 4.54 ms, +210.0%) ⚠️ sparkline.rdp.50000: 63.82 ms (baseline: 33.48 ms, +90.6%) ⚠️ sparkline.none.100000: 143.44 ms (baseline: 105.38 ms, +36.1%) ⚠️ sparkline.movingAvg.100000: 23.09 ms (baseline: 7.65 ms, +201.7%) ✓ sparkline.rdp.100000: 17.25 ms (baseline: 71.69 ms, -75.9%) sparkline.none.500000: 360.31 ms (baseline: 325.38 ms, +10.7%) sparkline.movingAvg.500000: 51.53 ms (baseline: 49.34 ms, +4.4%) ⚠️ sparkline.rdp.500000: 61.97 ms (baseline: 30.80 ms, +101.2%) sparkline.none.948423: 707.49 ms (baseline: 656.59 ms, +7.8%) sparkline.movingAvg.948423: 140.96 ms (baseline: 123.97 ms, +13.7%) ⚠️ sparkline.rdp.948423: 93.71 ms (baseline: 61.29 ms, +52.9%) ⚠️ windrose.aggregation.1000: 2.90 ms (baseline: 422.8 µs, +584.9%) ✓ windrose.draw.1000: 1.53 ms (baseline: 2.54 ms, -39.7%) ✓ windrose.aggregation.10000: 4.68 ms (baseline: 5.43 ms, -13.9%) ⚠️ windrose.draw.10000: 2.35 ms (baseline: 1.34 ms, +75.8%) ⚠️ windrose.aggregation.50000: 50.83 ms (baseline: 10.87 ms, +367.4%) ⚠️ windrose.draw.50000: 2.55 ms (baseline: 1.15 ms, +121.7%) ✓ windrose.aggregation.100000: 11.28 ms (baseline: 15.76 ms, -28.4%) ⚠️ windrose.draw.100000: 2.65 ms (baseline: 1.24 ms, +114.1%) ⚠️ windrose.aggregation.500000: 52.35 ms (baseline: 24.58 ms, +113.0%) ✓ windrose.draw.500000: 520.2 µs (baseline: 982.5 µs, -47.1%) ⚠️ windrose.aggregation.948423: 92.74 ms (baseline: 40.87 ms, +126.9%) ⚠️ windrose.draw.948423: 2.41 ms (baseline: 676.4 µs, +255.6%) ✓ scaling.none.1x: 9.43 ms (baseline: 20.07 ms, -53.0%) ✓ scaling.movingAvg.1x: 1.03 ms (baseline: 1.73 ms, -40.1%) ✓ scaling.rdp.1x: 673.1 µs (baseline: 1.38 ms, -51.4%) ✓ scaling.none.2x: 10.29 ms (baseline: 36.33 ms, -71.7%) ✓ scaling.movingAvg.2x: 1.19 ms (baseline: 2.83 ms, -57.9%) ✓ scaling.rdp.2x: 1.72 ms (baseline: 4.09 ms, -58.0%) ⚠️ scaling.none.5x: 27.75 ms (baseline: 21.35 ms, +30.0%) ✓ scaling.movingAvg.5x: 2.59 ms (baseline: 7.28 ms, -64.5%) ✓ scaling.rdp.5x: 1.94 ms (baseline: 3.21 ms, -39.4%) scaling.none.10x: 65.05 ms (baseline: 62.77 ms, +3.6%) ✓ scaling.movingAvg.10x: 5.01 ms (baseline: 10.82 ms, -53.7%) ✓ scaling.rdp.10x: 4.25 ms (baseline: 9.18 ms, -53.8%) ✓ scaling.none.20x: 129.55 ms (baseline: 148.64 ms, -12.8%) ✓ scaling.movingAvg.20x: 18.13 ms (baseline: 28.07 ms, -35.4%) ✓ scaling.rdp.20x: 9.68 ms (baseline: 15.23 ms, -36.4%) scaling.none.50x: 327.64 ms (baseline: 336.19 ms, -2.5%) ⚠️ scaling.movingAvg.50x: 58.20 ms (baseline: 40.75 ms, +42.8%) ⚠️ scaling.rdp.50x: 48.21 ms (baseline: 33.49 ms, +43.9%) ✓ multiseries.movingAvg.1series: 5.21 ms (baseline: 6.81 ms, -23.5%) ✓ multiseries.rdp.1series: 3.71 ms (baseline: 4.43 ms, -16.4%) multiseries.movingAvg.2series: 9.43 ms (baseline: 9.95 ms, -5.2%) ⚠️ multiseries.rdp.2series: 30.68 ms (baseline: 23.04 ms, +33.2%) ✓ multiseries.movingAvg.3series: 14.14 ms (baseline: 16.25 ms, -13.0%) multiseries.rdp.3series: 19.50 ms (baseline: 18.79 ms, +3.7%) ⚠️ multiseries.movingAvg.5series: 48.41 ms (baseline: 24.19 ms, +100.1%) ✓ multiseries.rdp.5series: 35.99 ms (baseline: 49.69 ms, -27.6%) 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: 48.32 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: 0.029 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: 0.025 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: 21.59 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: 01:21 min [INFO] Finished at: 2026-07-04T07:02:56Z [INFO] ------------------------------------------------------------------------