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: 2.625 s [INFO] Finished at: 2026-03-18T07:32:03Z [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 -> 25.1.0-beta3 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.504 s [INFO] Finished at: 2026-03-18T07:32:08Z [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 6.8.0-106-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-03-18T06:26:13.759232241Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:32:38.654 [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 | 4.37 ms | 5.48 ms | 4.02 ms 1,000 | 15.65 ms | 2.42 ms | 4.78 ms 10,000 | 27.83 ms | 3.14 ms | 5.67 ms 49,871 | 49.29 ms | 8.66 ms | 68.58 ms 97,643 | 76.96 ms | 18.40 ms | 12.31 ms 495,995 | 311.12 ms | 50.36 ms | 88.04 ms 944,282 | 482.81 ms | 98.08 ms | 98.47 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 | 440.9 µs | 1.04 ms | 1.48 ms 10,000 | 1.44 ms | 1.92 ms | 3.37 ms 50,000 | 13.48 ms | 2.80 ms | 16.29 ms 100,000 | 8.03 ms | 636.8 µs | 8.67 ms 500,000 | 25.49 ms | 1.32 ms | 26.80 ms 948,423 | 48.87 ms | 601.3 µs | 49.47 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 | 12.45 ms ( 1.1x) | 899.2 µs ( 1.2x) | 673.0 µs ( 0.6x) 2x | 19,996 | 14.83 ms ( 1.3x) | 1.15 ms ( 1.6x) | 993.2 µs ( 0.9x) 5x | 49,871 | 25.82 ms ( 2.2x) | 5.00 ms ( 6.9x) | 3.38 ms ( 3.1x) 10x | 97,643 | 39.49 ms ( 3.4x) | 5.81 ms ( 8.0x) | 3.43 ms ( 3.2x) 20x | 196,569 | 105.88 ms ( 9.1x) | 11.61 ms (16.0x) | 10.31 ms ( 9.5x) 50x | 495,995 | 243.92 ms (21.0x) | 43.17 ms (59.4x) | 20.17 ms (18.5x) 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 | 155.5 µs | 5 | 196.1 µs 10,000 | 5 | 662.0 µs | 5 | 451.1 µs 97,643 | 5 | 5.80 ms | 5 | 5.92 ms 495,995 | 5 | 49.23 ms | 5 | 29.44 ms 944,282 | 5 | 101.52 ms | 5 | 61.30 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 | 6.25 ms | 3.62 ms 2 | 10.51 ms | 23.83 ms 3 | 13.39 ms | 15.06 ms 5 | 22.92 ms | 29.63 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.37 ms (baseline: 2.89 ms, +51.2%) sparkline.movingAvg.100: 5.48 ms (baseline: 5.69 ms, -3.6%) sparkline.rdp.100: 4.02 ms (baseline: 3.76 ms, +7.1%) ⚠️ sparkline.none.1000: 15.65 ms (baseline: 6.01 ms, +160.2%) ✓ sparkline.movingAvg.1000: 2.42 ms (baseline: 3.22 ms, -24.9%) ⚠️ sparkline.rdp.1000: 4.78 ms (baseline: 2.84 ms, +68.1%) sparkline.none.10000: 27.83 ms (baseline: 24.76 ms, +12.4%) ✓ sparkline.movingAvg.10000: 3.14 ms (baseline: 7.41 ms, -57.6%) ✓ sparkline.rdp.10000: 5.67 ms (baseline: 8.40 ms, -32.5%) ✓ sparkline.none.50000: 49.29 ms (baseline: 71.03 ms, -30.6%) ⚠️ sparkline.movingAvg.50000: 8.66 ms (baseline: 6.75 ms, +28.4%) sparkline.rdp.50000: 68.58 ms (baseline: 60.79 ms, +12.8%) ✓ sparkline.none.100000: 76.96 ms (baseline: 99.22 ms, -22.4%) ⚠️ sparkline.movingAvg.100000: 18.40 ms (baseline: 12.57 ms, +46.4%) ⚠️ sparkline.rdp.100000: 12.31 ms (baseline: 7.63 ms, +61.4%) sparkline.none.500000: 311.12 ms (baseline: 338.22 ms, -8.0%) ⚠️ sparkline.movingAvg.500000: 50.36 ms (baseline: 39.30 ms, +28.1%) ⚠️ sparkline.rdp.500000: 88.04 ms (baseline: 41.39 ms, +112.7%) sparkline.none.948423: 482.81 ms (baseline: 496.00 ms, -2.7%) ✓ sparkline.movingAvg.948423: 98.08 ms (baseline: 126.51 ms, -22.5%) ✓ sparkline.rdp.948423: 98.47 ms (baseline: 115.62 ms, -14.8%) ✓ windrose.aggregation.1000: 440.9 µs (baseline: 603.3 µs, -26.9%) ✓ windrose.draw.1000: 1.04 ms (baseline: 1.46 ms, -29.2%) windrose.aggregation.10000: 1.44 ms (baseline: 1.60 ms, -9.9%) ✓ windrose.draw.10000: 1.92 ms (baseline: 2.90 ms, -33.7%) ✓ windrose.aggregation.50000: 13.48 ms (baseline: 15.94 ms, -15.4%) ⚠️ windrose.draw.50000: 2.80 ms (baseline: 1.75 ms, +60.4%) windrose.aggregation.100000: 8.03 ms (baseline: 7.07 ms, +13.6%) ✓ windrose.draw.100000: 636.8 µs (baseline: 1.54 ms, -58.7%) ✓ windrose.aggregation.500000: 25.49 ms (baseline: 33.14 ms, -23.1%) ⚠️ windrose.draw.500000: 1.32 ms (baseline: 983.6 µs, +33.7%) windrose.aggregation.948423: 48.87 ms (baseline: 51.56 ms, -5.2%) ✓ windrose.draw.948423: 601.3 µs (baseline: 1.04 ms, -42.4%) ⚠️ scaling.none.1x: 12.45 ms (baseline: 7.19 ms, +73.1%) ⚠️ scaling.movingAvg.1x: 899.2 µs (baseline: 615.5 µs, +46.1%) ✓ scaling.rdp.1x: 673.0 µs (baseline: 911.2 µs, -26.1%) ✓ scaling.none.2x: 14.83 ms (baseline: 18.28 ms, -18.9%) ✓ scaling.movingAvg.2x: 1.15 ms (baseline: 1.46 ms, -21.5%) scaling.rdp.2x: 993.2 µs (baseline: 959.0 µs, +3.6%) scaling.none.5x: 25.82 ms (baseline: 26.17 ms, -1.3%) ✓ scaling.movingAvg.5x: 5.00 ms (baseline: 10.53 ms, -52.5%) scaling.rdp.5x: 3.38 ms (baseline: 3.67 ms, -7.9%) ✓ scaling.none.10x: 39.49 ms (baseline: 45.63 ms, -13.5%) scaling.movingAvg.10x: 5.81 ms (baseline: 5.07 ms, +14.7%) ✓ scaling.rdp.10x: 3.43 ms (baseline: 5.74 ms, -40.2%) ✓ scaling.none.20x: 105.88 ms (baseline: 124.80 ms, -15.2%) scaling.movingAvg.20x: 11.61 ms (baseline: 10.74 ms, +8.1%) scaling.rdp.20x: 10.31 ms (baseline: 10.67 ms, -3.5%) scaling.none.50x: 243.92 ms (baseline: 261.46 ms, -6.7%) ✓ scaling.movingAvg.50x: 43.17 ms (baseline: 55.42 ms, -22.1%) ✓ scaling.rdp.50x: 20.17 ms (baseline: 48.89 ms, -58.7%) multiseries.movingAvg.1series: 6.25 ms (baseline: 6.87 ms, -9.1%) multiseries.rdp.1series: 3.62 ms (baseline: 3.25 ms, +11.4%) ✓ multiseries.movingAvg.2series: 10.51 ms (baseline: 12.43 ms, -15.5%) ⚠️ multiseries.rdp.2series: 23.83 ms (baseline: 19.11 ms, +24.7%) ✓ multiseries.movingAvg.3series: 13.39 ms (baseline: 19.50 ms, -31.3%) multiseries.rdp.3series: 15.06 ms (baseline: 14.97 ms, +0.6%) ✓ multiseries.movingAvg.5series: 22.92 ms (baseline: 28.35 ms, -19.1%) ⚠️ multiseries.rdp.5series: 29.63 ms (baseline: 24.03 ms, +23.3%) 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: 39.78 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: 0.026 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: 0.038 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: 16.45 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: 01:07 min [INFO] Finished at: 2026-03-18T07:33:18Z [INFO] ------------------------------------------------------------------------