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: 2.879 s [INFO] Finished at: 2026-07-26T16:30:07Z [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: 2.533 s [INFO] Finished at: 2026-07-26T16:30:13Z [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: 2026-07-26T15:30:23.371628004Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 16:30:52.801 [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 | 7.75 ms | 7.13 ms | 4.42 ms 1,000 | 5.14 ms | 1.71 ms | 3.27 ms 10,000 | 12.00 ms | 3.02 ms | 5.65 ms 49,871 | 55.10 ms | 8.61 ms | 28.88 ms 97,643 | 93.01 ms | 6.12 ms | 8.65 ms 495,995 | 321.77 ms | 59.65 ms | 30.15 ms 944,282 | 640.19 ms | 133.76 ms | 141.90 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 | 763.8 µs | 1.86 ms | 2.62 ms 10,000 | 4.43 ms | 1.54 ms | 5.97 ms 50,000 | 18.51 ms | 2.53 ms | 21.04 ms 100,000 | 9.11 ms | 2.72 ms | 11.83 ms 500,000 | 40.59 ms | 572.7 µs | 41.16 ms 948,423 | 77.62 ms | 1.66 ms | 79.28 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 | 10.18 ms ( 1.0x) | 734.5 µs ( 0.6x) | 1.33 ms ( 1.6x) 2x | 19,996 | 19.70 ms ( 1.9x) | 5.58 ms ( 4.2x) | 3.07 ms ( 3.8x) 5x | 49,871 | 43.84 ms ( 4.2x) | 5.32 ms ( 4.0x) | 5.69 ms ( 7.0x) 10x | 97,643 | 44.95 ms ( 4.3x) | 5.09 ms ( 3.8x) | 3.53 ms ( 4.3x) 20x | 196,569 | 146.63 ms (14.1x) | 10.10 ms ( 7.6x) | 7.83 ms ( 9.6x) 50x | 495,995 | 310.24 ms (29.9x) | 43.88 ms (33.0x) | 34.87 ms (42.7x) 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 | 934.4 µs | 5 | 237.5 µs 10,000 | 5 | 616.9 µs | 5 | 495.4 µs 97,643 | 5 | 12.55 ms | 5 | 4.11 ms 495,995 | 5 | 53.75 ms | 5 | 44.77 ms 944,282 | 5 | 108.51 ms | 5 | 76.84 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 | 6.27 ms | 10.50 ms 2 | 21.24 ms | 13.33 ms 3 | 15.88 ms | 17.17 ms 5 | 39.01 ms | 40.68 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 7.75 ms (baseline: 5.24 ms, +47.9%) ✓ sparkline.movingAvg.100: 7.13 ms (baseline: 12.59 ms, -43.4%) ✓ sparkline.rdp.100: 4.42 ms (baseline: 12.11 ms, -63.5%) ✓ sparkline.none.1000: 5.14 ms (baseline: 12.83 ms, -59.9%) ✓ sparkline.movingAvg.1000: 1.71 ms (baseline: 4.72 ms, -63.8%) ✓ sparkline.rdp.1000: 3.27 ms (baseline: 7.67 ms, -57.4%) ✓ sparkline.none.10000: 12.00 ms (baseline: 20.65 ms, -41.9%) ✓ sparkline.movingAvg.10000: 3.02 ms (baseline: 3.42 ms, -11.6%) ⚠️ sparkline.rdp.10000: 5.65 ms (baseline: 4.18 ms, +35.1%) ⚠️ sparkline.none.50000: 55.10 ms (baseline: 44.06 ms, +25.1%) ⚠️ sparkline.movingAvg.50000: 8.61 ms (baseline: 6.64 ms, +29.6%) ✓ sparkline.rdp.50000: 28.88 ms (baseline: 65.82 ms, -56.1%) sparkline.none.100000: 93.01 ms (baseline: 89.74 ms, +3.6%) ✓ sparkline.movingAvg.100000: 6.12 ms (baseline: 17.47 ms, -65.0%) ✓ sparkline.rdp.100000: 8.65 ms (baseline: 31.57 ms, -72.6%) sparkline.none.500000: 321.77 ms (baseline: 348.23 ms, -7.6%) ⚠️ sparkline.movingAvg.500000: 59.65 ms (baseline: 37.56 ms, +58.8%) sparkline.rdp.500000: 30.15 ms (baseline: 28.72 ms, +5.0%) ✓ sparkline.none.948423: 640.19 ms (baseline: 714.01 ms, -10.3%) sparkline.movingAvg.948423: 133.76 ms (baseline: 121.41 ms, +10.2%) ✓ sparkline.rdp.948423: 141.90 ms (baseline: 187.82 ms, -24.4%) ✓ windrose.aggregation.1000: 763.8 µs (baseline: 4.12 ms, -81.4%) ✓ windrose.draw.1000: 1.86 ms (baseline: 3.12 ms, -40.6%) ⚠️ windrose.aggregation.10000: 4.43 ms (baseline: 1.61 ms, +174.8%) ✓ windrose.draw.10000: 1.54 ms (baseline: 2.04 ms, -24.5%) ⚠️ windrose.aggregation.50000: 18.51 ms (baseline: 12.57 ms, +47.2%) ⚠️ windrose.draw.50000: 2.53 ms (baseline: 2.09 ms, +21.1%) windrose.aggregation.100000: 9.11 ms (baseline: 8.09 ms, +12.6%) windrose.draw.100000: 2.72 ms (baseline: 2.41 ms, +13.2%) windrose.aggregation.500000: 40.59 ms (baseline: 44.73 ms, -9.2%) ✓ windrose.draw.500000: 572.7 µs (baseline: 2.10 ms, -72.8%) ✓ windrose.aggregation.948423: 77.62 ms (baseline: 103.87 ms, -25.3%) ✓ windrose.draw.948423: 1.66 ms (baseline: 4.88 ms, -66.0%) ✓ scaling.none.1x: 10.18 ms (baseline: 12.08 ms, -15.7%) ✓ scaling.movingAvg.1x: 734.5 µs (baseline: 966.9 µs, -24.0%) ⚠️ scaling.rdp.1x: 1.33 ms (baseline: 991.2 µs, +34.5%) scaling.none.2x: 19.70 ms (baseline: 18.00 ms, +9.5%) ⚠️ scaling.movingAvg.2x: 5.58 ms (baseline: 1.87 ms, +199.2%) ⚠️ scaling.rdp.2x: 3.07 ms (baseline: 961.9 µs, +219.1%) ⚠️ scaling.none.5x: 43.84 ms (baseline: 32.37 ms, +35.4%) ⚠️ scaling.movingAvg.5x: 5.32 ms (baseline: 2.85 ms, +86.9%) ⚠️ scaling.rdp.5x: 5.69 ms (baseline: 3.88 ms, +46.4%) ✓ scaling.none.10x: 44.95 ms (baseline: 57.77 ms, -22.2%) ✓ scaling.movingAvg.10x: 5.09 ms (baseline: 8.99 ms, -43.5%) ✓ scaling.rdp.10x: 3.53 ms (baseline: 11.29 ms, -68.7%) scaling.none.20x: 146.63 ms (baseline: 149.34 ms, -1.8%) ✓ scaling.movingAvg.20x: 10.10 ms (baseline: 11.25 ms, -10.2%) scaling.rdp.20x: 7.83 ms (baseline: 8.53 ms, -8.1%) scaling.none.50x: 310.24 ms (baseline: 343.48 ms, -9.7%) ✓ scaling.movingAvg.50x: 43.88 ms (baseline: 77.79 ms, -43.6%) scaling.rdp.50x: 34.87 ms (baseline: 29.07 ms, +20.0%) multiseries.movingAvg.1series: 6.27 ms (baseline: 6.53 ms, -4.0%) ✓ multiseries.rdp.1series: 10.50 ms (baseline: 15.46 ms, -32.1%) multiseries.movingAvg.2series: 21.24 ms (baseline: 22.09 ms, -3.8%) multiseries.rdp.2series: 13.33 ms (baseline: 12.39 ms, +7.5%) ✓ multiseries.movingAvg.3series: 15.88 ms (baseline: 20.36 ms, -22.0%) ✓ multiseries.rdp.3series: 17.17 ms (baseline: 27.47 ms, -37.5%) multiseries.movingAvg.5series: 39.01 ms (baseline: 40.51 ms, -3.7%) multiseries.rdp.5series: 40.68 ms (baseline: 37.79 ms, +7.6%) 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: 47.11 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: 0.018 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: 0.030 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: 22.40 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: 2026-07-26T16:31:44Z [INFO] ------------------------------------------------------------------------