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: 2.616 s [INFO] Finished at: 2026-03-25T07:30:52Z [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-rc2 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.592 s [INFO] Finished at: 2026-03-25T07:30:57Z [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: 2026-03-25T06:25:24.103188078Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:31:27.687 [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 | 2.18 ms | 4.20 ms | 4.54 ms 1,000 | 5.64 ms | 5.24 ms | 2.28 ms 10,000 | 34.95 ms | 5.09 ms | 13.39 ms 49,871 | 54.58 ms | 6.30 ms | 16.39 ms 97,643 | 51.16 ms | 11.62 ms | 16.45 ms 495,995 | 343.60 ms | 48.58 ms | 31.76 ms 944,282 | 587.48 ms | 129.00 ms | 93.57 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 | 602.1 µs | 1.35 ms | 1.95 ms 10,000 | 2.09 ms | 1.36 ms | 3.45 ms 50,000 | 8.41 ms | 842.8 µs | 9.25 ms 100,000 | 6.23 ms | 1.96 ms | 8.19 ms 500,000 | 42.07 ms | 557.2 µs | 42.63 ms 948,423 | 36.75 ms | 1.42 ms | 38.17 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 | 5.24 ms ( 1.0x) | 2.59 ms ( 2.6x) | 1.55 ms ( 2.4x) 2x | 19,996 | 9.75 ms ( 1.9x) | 4.29 ms ( 4.3x) | 3.63 ms ( 5.7x) 5x | 49,871 | 20.18 ms ( 3.8x) | 3.92 ms ( 4.0x) | 1.97 ms ( 3.1x) 10x | 97,643 | 47.52 ms ( 9.0x) | 10.98 ms (11.1x) | 4.34 ms ( 6.9x) 20x | 196,569 | 85.61 ms (16.3x) | 13.50 ms (13.6x) | 8.12 ms (12.8x) 50x | 495,995 | 237.77 ms (45.2x) | 48.29 ms (48.7x) | 41.24 ms (65.2x) 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 | 163.5 µs | 5 | 192.6 µs 10,000 | 5 | 763.5 µs | 5 | 662.1 µs 97,643 | 5 | 7.26 ms | 5 | 3.44 ms 495,995 | 5 | 39.15 ms | 5 | 42.70 ms 944,282 | 5 | 105.62 ms | 5 | 54.60 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 | 6.77 ms | 14.70 ms 2 | 11.84 ms | 8.66 ms 3 | 13.16 ms | 18.49 ms 5 | 25.01 ms | 24.62 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.18 ms (baseline: 3.92 ms, -44.3%) sparkline.movingAvg.100: 4.20 ms (baseline: 3.95 ms, +6.4%) ⚠️ sparkline.rdp.100: 4.54 ms (baseline: 1.40 ms, +223.1%) ⚠️ sparkline.none.1000: 5.64 ms (baseline: 4.18 ms, +34.9%) ⚠️ sparkline.movingAvg.1000: 5.24 ms (baseline: 2.51 ms, +108.8%) ✓ sparkline.rdp.1000: 2.28 ms (baseline: 4.39 ms, -48.1%) ⚠️ sparkline.none.10000: 34.95 ms (baseline: 23.58 ms, +48.2%) ✓ sparkline.movingAvg.10000: 5.09 ms (baseline: 5.87 ms, -13.3%) ⚠️ sparkline.rdp.10000: 13.39 ms (baseline: 5.76 ms, +132.4%) sparkline.none.50000: 54.58 ms (baseline: 53.58 ms, +1.9%) ✓ sparkline.movingAvg.50000: 6.30 ms (baseline: 11.24 ms, -43.9%) ✓ sparkline.rdp.50000: 16.39 ms (baseline: 36.41 ms, -55.0%) ✓ sparkline.none.100000: 51.16 ms (baseline: 73.37 ms, -30.3%) sparkline.movingAvg.100000: 11.62 ms (baseline: 10.42 ms, +11.5%) ⚠️ sparkline.rdp.100000: 16.45 ms (baseline: 4.99 ms, +229.7%) sparkline.none.500000: 343.60 ms (baseline: 351.65 ms, -2.3%) sparkline.movingAvg.500000: 48.58 ms (baseline: 47.03 ms, +3.3%) ⚠️ sparkline.rdp.500000: 31.76 ms (baseline: 24.00 ms, +32.3%) sparkline.none.948423: 587.48 ms (baseline: 560.18 ms, +4.9%) sparkline.movingAvg.948423: 129.00 ms (baseline: 110.46 ms, +16.8%) ⚠️ sparkline.rdp.948423: 93.57 ms (baseline: 71.93 ms, +30.1%) windrose.aggregation.1000: 602.1 µs (baseline: 548.3 µs, +9.8%) ✓ windrose.draw.1000: 1.35 ms (baseline: 2.67 ms, -49.4%) ⚠️ windrose.aggregation.10000: 2.09 ms (baseline: 1.56 ms, +34.2%) ✓ windrose.draw.10000: 1.36 ms (baseline: 2.98 ms, -54.3%) windrose.aggregation.50000: 8.41 ms (baseline: 7.81 ms, +7.8%) ✓ windrose.draw.50000: 842.8 µs (baseline: 1.55 ms, -45.5%) ✓ windrose.aggregation.100000: 6.23 ms (baseline: 8.87 ms, -29.8%) ⚠️ windrose.draw.100000: 1.96 ms (baseline: 1.52 ms, +29.1%) ✓ windrose.aggregation.500000: 42.07 ms (baseline: 52.32 ms, -19.6%) ✓ windrose.draw.500000: 557.2 µs (baseline: 1.15 ms, -51.4%) ✓ windrose.aggregation.948423: 36.75 ms (baseline: 70.66 ms, -48.0%) ✓ windrose.draw.948423: 1.42 ms (baseline: 3.98 ms, -64.3%) ✓ scaling.none.1x: 5.24 ms (baseline: 8.54 ms, -38.6%) ⚠️ scaling.movingAvg.1x: 2.59 ms (baseline: 656.1 µs, +295.2%) ⚠️ scaling.rdp.1x: 1.55 ms (baseline: 687.8 µs, +125.3%) scaling.none.2x: 9.75 ms (baseline: 9.48 ms, +2.9%) ⚠️ scaling.movingAvg.2x: 4.29 ms (baseline: 1.15 ms, +271.4%) ⚠️ scaling.rdp.2x: 3.63 ms (baseline: 896.3 µs, +304.5%) ✓ scaling.none.5x: 20.18 ms (baseline: 25.79 ms, -21.7%) ✓ scaling.movingAvg.5x: 3.92 ms (baseline: 4.43 ms, -11.6%) ✓ scaling.rdp.5x: 1.97 ms (baseline: 2.91 ms, -32.2%) ✓ scaling.none.10x: 47.52 ms (baseline: 63.86 ms, -25.6%) ⚠️ scaling.movingAvg.10x: 10.98 ms (baseline: 7.60 ms, +44.3%) ⚠️ scaling.rdp.10x: 4.34 ms (baseline: 3.18 ms, +36.3%) ✓ scaling.none.20x: 85.61 ms (baseline: 121.96 ms, -29.8%) ✓ scaling.movingAvg.20x: 13.50 ms (baseline: 18.26 ms, -26.1%) ✓ scaling.rdp.20x: 8.12 ms (baseline: 10.72 ms, -24.3%) ✓ scaling.none.50x: 237.77 ms (baseline: 342.78 ms, -30.6%) ✓ scaling.movingAvg.50x: 48.29 ms (baseline: 76.39 ms, -36.8%) ⚠️ scaling.rdp.50x: 41.24 ms (baseline: 28.14 ms, +46.6%) multiseries.movingAvg.1series: 6.77 ms (baseline: 5.89 ms, +14.8%) ⚠️ multiseries.rdp.1series: 14.70 ms (baseline: 4.14 ms, +255.0%) ✓ multiseries.movingAvg.2series: 11.84 ms (baseline: 25.77 ms, -54.0%) ✓ multiseries.rdp.2series: 8.66 ms (baseline: 10.00 ms, -13.4%) ✓ multiseries.movingAvg.3series: 13.16 ms (baseline: 14.76 ms, -10.8%) ⚠️ multiseries.rdp.3series: 18.49 ms (baseline: 14.41 ms, +28.3%) multiseries.movingAvg.5series: 25.01 ms (baseline: 25.08 ms, -0.3%) ✓ multiseries.rdp.5series: 24.62 ms (baseline: 27.88 ms, -11.7%) 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: 39.80 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: 0.008 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: 0.016 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: 15.68 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: 01:06 min [INFO] Finished at: 2026-03-25T07:32:07Z [INFO] ------------------------------------------------------------------------