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 e00e7b5 GH Action CI build [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 99, 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 1.0.1-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: 2.852 s [INFO] Finished at: 2026-03-06T06:15:54Z [INFO] ------------------------------------------------------------------------ [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 99, 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 1.0.1-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:1.0.1-SNAPSHOT -> 25.0.6 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.264 s [INFO] Finished at: 2026-03-06T06:15:59Z [INFO] ------------------------------------------------------------------------ [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 99, 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 1.0.1-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:1.0.1-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 6.8.0-101-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-03-06T04:44:53.750018858Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:16:29.409 [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 | 3.68 ms | 3.83 ms | 3.30 ms 1,000 | 7.10 ms | 4.21 ms | 6.28 ms 10,000 | 24.41 ms | 10.38 ms | 15.51 ms 49,871 | 43.99 ms | 5.35 ms | 101.37 ms 97,643 | 82.20 ms | 14.79 ms | 5.45 ms 495,995 | 332.52 ms | 57.78 ms | 29.03 ms 944,282 | 603.16 ms | 122.90 ms | 166.78 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 | 681.7 µs | 831.5 µs | 1.51 ms 10,000 | 1.85 ms | 1.01 ms | 2.86 ms 50,000 | 22.33 ms | 749.7 µs | 23.08 ms 100,000 | 4.68 ms | 1.68 ms | 6.36 ms 500,000 | 25.29 ms | 668.3 µs | 25.96 ms 948,423 | 39.05 ms | 863.3 µs | 39.91 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 | 6.91 ms ( 0.3x) | 891.3 µs ( 1.1x) | 742.9 µs ( 1.0x) 2x | 19,996 | 18.03 ms ( 0.9x) | 2.92 ms ( 3.7x) | 3.32 ms ( 4.5x) 5x | 49,871 | 46.29 ms ( 2.2x) | 5.52 ms ( 7.0x) | 1.97 ms ( 2.7x) 10x | 97,643 | 49.56 ms ( 2.4x) | 13.53 ms (17.0x) | 13.86 ms (18.6x) 20x | 196,569 | 111.04 ms ( 5.3x) | 27.56 ms (34.7x) | 15.69 ms (21.1x) 50x | 495,995 | 334.19 ms (15.9x) | 55.51 ms (69.9x) | 40.81 ms (54.8x) 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 | 323.0 µs | 5 | 849.2 µs 10,000 | 5 | 1.70 ms | 5 | 1.52 ms 97,643 | 5 | 9.82 ms | 5 | 4.06 ms 495,995 | 5 | 44.93 ms | 5 | 28.28 ms 944,282 | 5 | 120.05 ms | 5 | 121.04 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 | 11.20 ms | 4.23 ms 2 | 20.11 ms | 25.54 ms 3 | 26.21 ms | 20.88 ms 5 | 25.19 ms | 35.12 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.68 ms (baseline: 1.29 ms, +185.9%) ⚠️ sparkline.movingAvg.100: 3.83 ms (baseline: 1.64 ms, +133.5%) ⚠️ sparkline.rdp.100: 3.30 ms (baseline: 1.17 ms, +180.8%) ⚠️ sparkline.none.1000: 7.10 ms (baseline: 4.88 ms, +45.6%) ⚠️ sparkline.movingAvg.1000: 4.21 ms (baseline: 2.95 ms, +42.5%) ⚠️ sparkline.rdp.1000: 6.28 ms (baseline: 2.98 ms, +110.9%) ⚠️ sparkline.none.10000: 24.41 ms (baseline: 16.01 ms, +52.5%) ⚠️ sparkline.movingAvg.10000: 10.38 ms (baseline: 5.48 ms, +89.6%) ⚠️ sparkline.rdp.10000: 15.51 ms (baseline: 4.27 ms, +262.9%) ⚠️ sparkline.none.50000: 43.99 ms (baseline: 32.44 ms, +35.6%) ✓ sparkline.movingAvg.50000: 5.35 ms (baseline: 6.91 ms, -22.6%) ⚠️ sparkline.rdp.50000: 101.37 ms (baseline: 66.96 ms, +51.4%) ✓ sparkline.none.100000: 82.20 ms (baseline: 91.63 ms, -10.3%) ⚠️ sparkline.movingAvg.100000: 14.79 ms (baseline: 9.50 ms, +55.7%) ✓ sparkline.rdp.100000: 5.45 ms (baseline: 7.55 ms, -27.8%) sparkline.none.500000: 332.52 ms (baseline: 344.80 ms, -3.6%) sparkline.movingAvg.500000: 57.78 ms (baseline: 48.31 ms, +19.6%) ✓ sparkline.rdp.500000: 29.03 ms (baseline: 33.58 ms, -13.6%) sparkline.none.948423: 603.16 ms (baseline: 561.31 ms, +7.5%) sparkline.movingAvg.948423: 122.90 ms (baseline: 108.52 ms, +13.2%) ⚠️ sparkline.rdp.948423: 166.78 ms (baseline: 73.75 ms, +126.2%) ⚠️ windrose.aggregation.1000: 681.7 µs (baseline: 530.8 µs, +28.4%) ✓ windrose.draw.1000: 831.5 µs (baseline: 2.26 ms, -63.3%) ⚠️ windrose.aggregation.10000: 1.85 ms (baseline: 1.52 ms, +21.6%) ✓ windrose.draw.10000: 1.01 ms (baseline: 2.20 ms, -54.0%) ⚠️ windrose.aggregation.50000: 22.33 ms (baseline: 12.04 ms, +85.5%) ✓ windrose.draw.50000: 749.7 µs (baseline: 1.69 ms, -55.7%) ✓ windrose.aggregation.100000: 4.68 ms (baseline: 12.47 ms, -62.5%) ✓ windrose.draw.100000: 1.68 ms (baseline: 2.81 ms, -40.4%) ✓ windrose.aggregation.500000: 25.29 ms (baseline: 36.66 ms, -31.0%) ⚠️ windrose.draw.500000: 668.3 µs (baseline: 516.7 µs, +29.3%) ✓ windrose.aggregation.948423: 39.05 ms (baseline: 74.14 ms, -47.3%) ✓ windrose.draw.948423: 863.3 µs (baseline: 1.91 ms, -54.7%) ⚠️ scaling.none.1x: 6.91 ms (baseline: 4.92 ms, +40.5%) ⚠️ scaling.movingAvg.1x: 891.3 µs (baseline: 644.6 µs, +38.3%) ✓ scaling.rdp.1x: 742.9 µs (baseline: 1.41 ms, -47.2%) ⚠️ scaling.none.2x: 18.03 ms (baseline: 13.85 ms, +30.2%) scaling.movingAvg.2x: 2.92 ms (baseline: 2.47 ms, +18.3%) ⚠️ scaling.rdp.2x: 3.32 ms (baseline: 1.13 ms, +194.7%) ⚠️ scaling.none.5x: 46.29 ms (baseline: 24.14 ms, +91.8%) ⚠️ scaling.movingAvg.5x: 5.52 ms (baseline: 4.14 ms, +33.4%) ✓ scaling.rdp.5x: 1.97 ms (baseline: 2.87 ms, -31.2%) ⚠️ scaling.none.10x: 49.56 ms (baseline: 40.84 ms, +21.4%) ⚠️ scaling.movingAvg.10x: 13.53 ms (baseline: 4.70 ms, +187.9%) ⚠️ scaling.rdp.10x: 13.86 ms (baseline: 3.26 ms, +325.2%) scaling.none.20x: 111.04 ms (baseline: 102.43 ms, +8.4%) ⚠️ scaling.movingAvg.20x: 27.56 ms (baseline: 8.98 ms, +207.0%) ⚠️ scaling.rdp.20x: 15.69 ms (baseline: 7.23 ms, +117.1%) ⚠️ scaling.none.50x: 334.19 ms (baseline: 250.81 ms, +33.2%) ⚠️ scaling.movingAvg.50x: 55.51 ms (baseline: 33.75 ms, +64.5%) ⚠️ scaling.rdp.50x: 40.81 ms (baseline: 20.31 ms, +100.9%) ⚠️ multiseries.movingAvg.1series: 11.20 ms (baseline: 5.08 ms, +120.3%) ✓ multiseries.rdp.1series: 4.23 ms (baseline: 5.03 ms, -16.0%) ⚠️ multiseries.movingAvg.2series: 20.11 ms (baseline: 9.96 ms, +102.0%) ⚠️ multiseries.rdp.2series: 25.54 ms (baseline: 9.45 ms, +170.2%) ⚠️ multiseries.movingAvg.3series: 26.21 ms (baseline: 16.79 ms, +56.2%) ⚠️ multiseries.rdp.3series: 20.88 ms (baseline: 13.86 ms, +50.6%) multiseries.movingAvg.5series: 25.19 ms (baseline: 23.72 ms, +6.2%) ⚠️ multiseries.rdp.5series: 35.12 ms (baseline: 26.53 ms, +32.4%) 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: 45.16 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: 0.032 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.054 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: 21.31 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 23, 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-1.0.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:18 min [INFO] Finished at: 2026-03-06T06:17:20Z [INFO] ------------------------------------------------------------------------