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: 3.140 s [INFO] Finished at: 2026-03-13T07:27:52Z [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-beta3 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.550 s [INFO] Finished at: 2026-03-13T07:27:58Z [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: 2026-03-13T06:19:02.293701707Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:28:25.217 [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 | 3.40 ms | 3.93 ms | 4.50 ms 1,000 | 5.01 ms | 2.10 ms | 2.67 ms 10,000 | 14.45 ms | 4.15 ms | 4.40 ms 49,871 | 33.81 ms | 7.13 ms | 50.96 ms 97,643 | 46.51 ms | 4.95 ms | 3.86 ms 495,995 | 267.69 ms | 28.61 ms | 21.77 ms 944,282 | 478.81 ms | 93.16 ms | 76.88 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 | 416.0 µs | 1.02 ms | 1.44 ms 10,000 | 1.52 ms | 2.73 ms | 4.25 ms 50,000 | 9.36 ms | 793.8 µs | 10.15 ms 100,000 | 10.24 ms | 1.00 ms | 11.24 ms 500,000 | 19.69 ms | 650.3 µs | 20.34 ms 948,423 | 36.27 ms | 8.18 ms | 44.45 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 | 4.20 ms ( 0.8x) | 695.5 µs ( 0.7x) | 1.40 ms ( 2.0x) 2x | 19,996 | 8.76 ms ( 1.6x) | 1.20 ms ( 1.2x) | 937.8 µs ( 1.3x) 5x | 49,871 | 36.93 ms ( 6.7x) | 3.65 ms ( 3.6x) | 3.73 ms ( 5.3x) 10x | 97,643 | 40.16 ms ( 7.3x) | 7.24 ms ( 7.1x) | 5.14 ms ( 7.3x) 20x | 196,569 | 99.71 ms (18.1x) | 11.54 ms (11.3x) | 8.09 ms (11.4x) 50x | 495,995 | 209.05 ms (38.0x) | 37.08 ms (36.5x) | 59.81 ms (84.4x) 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 | 230.3 µs | 5 | 569.9 µs 10,000 | 5 | 1.10 ms | 5 | 1.61 ms 97,643 | 5 | 5.80 ms | 5 | 3.55 ms 495,995 | 5 | 42.77 ms | 5 | 41.46 ms 944,282 | 5 | 102.22 ms | 5 | 67.78 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 | 5.05 ms | 4.06 ms 2 | 9.70 ms | 10.58 ms 3 | 15.19 ms | 15.26 ms 5 | 25.22 ms | 30.58 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.40 ms (baseline: 3.56 ms, -4.4%) sparkline.movingAvg.100: 3.93 ms (baseline: 3.86 ms, +1.9%) sparkline.rdp.100: 4.50 ms (baseline: 3.88 ms, +16.1%) sparkline.none.1000: 5.01 ms (baseline: 4.95 ms, +1.2%) ✓ sparkline.movingAvg.1000: 2.10 ms (baseline: 3.26 ms, -35.6%) ⚠️ sparkline.rdp.1000: 2.67 ms (baseline: 2.17 ms, +23.5%) ✓ sparkline.none.10000: 14.45 ms (baseline: 19.51 ms, -25.9%) ✓ sparkline.movingAvg.10000: 4.15 ms (baseline: 5.68 ms, -27.0%) ✓ sparkline.rdp.10000: 4.40 ms (baseline: 8.59 ms, -48.7%) ✓ sparkline.none.50000: 33.81 ms (baseline: 60.16 ms, -43.8%) ✓ sparkline.movingAvg.50000: 7.13 ms (baseline: 10.54 ms, -32.4%) ✓ sparkline.rdp.50000: 50.96 ms (baseline: 83.72 ms, -39.1%) ✓ sparkline.none.100000: 46.51 ms (baseline: 91.27 ms, -49.0%) ✓ sparkline.movingAvg.100000: 4.95 ms (baseline: 19.49 ms, -74.6%) ✓ sparkline.rdp.100000: 3.86 ms (baseline: 5.63 ms, -31.4%) ✓ sparkline.none.500000: 267.69 ms (baseline: 363.71 ms, -26.4%) ✓ sparkline.movingAvg.500000: 28.61 ms (baseline: 55.44 ms, -48.4%) sparkline.rdp.500000: 21.77 ms (baseline: 20.04 ms, +8.6%) ✓ sparkline.none.948423: 478.81 ms (baseline: 620.37 ms, -22.8%) ✓ sparkline.movingAvg.948423: 93.16 ms (baseline: 149.61 ms, -37.7%) ✓ sparkline.rdp.948423: 76.88 ms (baseline: 152.84 ms, -49.7%) windrose.aggregation.1000: 416.0 µs (baseline: 431.1 µs, -3.5%) ✓ windrose.draw.1000: 1.02 ms (baseline: 1.41 ms, -27.4%) windrose.aggregation.10000: 1.52 ms (baseline: 1.54 ms, -1.5%) windrose.draw.10000: 2.73 ms (baseline: 2.79 ms, -2.1%) ✓ windrose.aggregation.50000: 9.36 ms (baseline: 11.19 ms, -16.3%) ✓ windrose.draw.50000: 793.8 µs (baseline: 3.27 ms, -75.7%) ⚠️ windrose.aggregation.100000: 10.24 ms (baseline: 7.98 ms, +28.2%) ✓ windrose.draw.100000: 1.00 ms (baseline: 3.22 ms, -68.9%) ✓ windrose.aggregation.500000: 19.69 ms (baseline: 24.62 ms, -20.0%) ✓ windrose.draw.500000: 650.3 µs (baseline: 1.96 ms, -66.7%) ✓ windrose.aggregation.948423: 36.27 ms (baseline: 82.67 ms, -56.1%) ⚠️ windrose.draw.948423: 8.18 ms (baseline: 1.42 ms, +475.9%) ✓ scaling.none.1x: 4.20 ms (baseline: 5.94 ms, -29.2%) ✓ scaling.movingAvg.1x: 695.5 µs (baseline: 2.10 ms, -66.9%) ⚠️ scaling.rdp.1x: 1.40 ms (baseline: 554.9 µs, +153.1%) ✓ scaling.none.2x: 8.76 ms (baseline: 25.09 ms, -65.1%) ✓ scaling.movingAvg.2x: 1.20 ms (baseline: 3.58 ms, -66.4%) ✓ scaling.rdp.2x: 937.8 µs (baseline: 2.92 ms, -67.9%) scaling.none.5x: 36.93 ms (baseline: 31.37 ms, +17.7%) ✓ scaling.movingAvg.5x: 3.65 ms (baseline: 4.36 ms, -16.4%) ⚠️ scaling.rdp.5x: 3.73 ms (baseline: 1.94 ms, +92.8%) ✓ scaling.none.10x: 40.16 ms (baseline: 57.58 ms, -30.2%) scaling.movingAvg.10x: 7.24 ms (baseline: 7.64 ms, -5.2%) ✓ scaling.rdp.10x: 5.14 ms (baseline: 13.77 ms, -62.6%) ✓ scaling.none.20x: 99.71 ms (baseline: 116.56 ms, -14.5%) ✓ scaling.movingAvg.20x: 11.54 ms (baseline: 14.05 ms, -17.8%) scaling.rdp.20x: 8.09 ms (baseline: 8.51 ms, -5.0%) ✓ scaling.none.50x: 209.05 ms (baseline: 310.16 ms, -32.6%) scaling.movingAvg.50x: 37.08 ms (baseline: 35.44 ms, +4.6%) ⚠️ scaling.rdp.50x: 59.81 ms (baseline: 23.64 ms, +153.0%) ✓ multiseries.movingAvg.1series: 5.05 ms (baseline: 10.82 ms, -53.4%) ✓ multiseries.rdp.1series: 4.06 ms (baseline: 5.79 ms, -29.8%) ✓ multiseries.movingAvg.2series: 9.70 ms (baseline: 15.78 ms, -38.5%) ✓ multiseries.rdp.2series: 10.58 ms (baseline: 12.41 ms, -14.7%) ✓ multiseries.movingAvg.3series: 15.19 ms (baseline: 27.31 ms, -44.4%) ✓ multiseries.rdp.3series: 15.26 ms (baseline: 25.39 ms, -39.9%) ✓ multiseries.movingAvg.5series: 25.22 ms (baseline: 39.97 ms, -36.9%) ✓ multiseries.rdp.5series: 30.58 ms (baseline: 43.26 ms, -29.3%) 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: 34.71 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: 0.016 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: 0.026 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: 15.87 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: 01:01 min [INFO] Finished at: 2026-03-13T07:29:01Z [INFO] ------------------------------------------------------------------------