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: 2.904 s [INFO] Finished at: 2026-03-17T07:31:33Z [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: 2.763 s [INFO] Finished at: 2026-03-17T07:31:39Z [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: 2026-03-17T06:24:50.046351745Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:32:10.016 [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 | 2.94 ms | 2.19 ms | 2.45 ms 1,000 | 6.15 ms | 2.38 ms | 3.21 ms 10,000 | 17.27 ms | 6.58 ms | 4.58 ms 49,871 | 34.09 ms | 6.90 ms | 74.69 ms 97,643 | 90.06 ms | 7.98 ms | 7.12 ms 495,995 | 315.07 ms | 52.10 ms | 24.97 ms 944,282 | 588.79 ms | 124.53 ms | 47.40 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 | 637.5 µs | 1.29 ms | 1.93 ms 10,000 | 3.61 ms | 2.09 ms | 5.69 ms 50,000 | 8.75 ms | 1.32 ms | 10.07 ms 100,000 | 12.20 ms | 1.81 ms | 14.01 ms 500,000 | 22.01 ms | 916.2 µs | 22.92 ms 948,423 | 38.92 ms | 665.5 µs | 39.59 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 | 5.55 ms ( 0.7x) | 1.72 ms ( 1.1x) | 1.91 ms ( 1.5x) 2x | 19,996 | 12.13 ms ( 1.5x) | 4.51 ms ( 3.0x) | 2.30 ms ( 1.8x) 5x | 49,871 | 24.02 ms ( 3.0x) | 3.34 ms ( 2.2x) | 2.46 ms ( 1.9x) 10x | 97,643 | 51.92 ms ( 6.4x) | 9.79 ms ( 6.6x) | 3.68 ms ( 2.8x) 20x | 196,569 | 107.02 ms (13.3x) | 20.92 ms (14.0x) | 9.47 ms ( 7.3x) 50x | 495,995 | 265.84 ms (33.0x) | 43.83 ms (29.4x) | 38.52 ms (29.8x) 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 | 124.1 µs | 5 | 173.7 µs 10,000 | 5 | 555.5 µs | 5 | 413.3 µs 97,643 | 5 | 5.20 ms | 5 | 3.12 ms 495,995 | 5 | 36.91 ms | 5 | 34.57 ms 944,282 | 5 | 100.23 ms | 5 | 44.03 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 | 5.45 ms | 4.52 ms 2 | 10.05 ms | 9.55 ms 3 | 16.99 ms | 14.61 ms 5 | 29.20 ms | 26.98 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.94 ms (baseline: 2.26 ms, +29.8%) ✓ sparkline.movingAvg.100: 2.19 ms (baseline: 3.23 ms, -32.3%) ⚠️ sparkline.rdp.100: 2.45 ms (baseline: 1.81 ms, +35.9%) ⚠️ sparkline.none.1000: 6.15 ms (baseline: 5.08 ms, +21.1%) sparkline.movingAvg.1000: 2.38 ms (baseline: 2.52 ms, -5.5%) ✓ sparkline.rdp.1000: 3.21 ms (baseline: 4.03 ms, -20.3%) ✓ sparkline.none.10000: 17.27 ms (baseline: 23.55 ms, -26.7%) ⚠️ sparkline.movingAvg.10000: 6.58 ms (baseline: 5.33 ms, +23.4%) ✓ sparkline.rdp.10000: 4.58 ms (baseline: 29.51 ms, -84.5%) ✓ sparkline.none.50000: 34.09 ms (baseline: 45.88 ms, -25.7%) ✓ sparkline.movingAvg.50000: 6.90 ms (baseline: 8.85 ms, -22.0%) ⚠️ sparkline.rdp.50000: 74.69 ms (baseline: 46.40 ms, +61.0%) sparkline.none.100000: 90.06 ms (baseline: 94.25 ms, -4.4%) ✓ sparkline.movingAvg.100000: 7.98 ms (baseline: 14.85 ms, -46.2%) sparkline.rdp.100000: 7.12 ms (baseline: 6.76 ms, +5.3%) ✓ sparkline.none.500000: 315.07 ms (baseline: 358.99 ms, -12.2%) sparkline.movingAvg.500000: 52.10 ms (baseline: 52.27 ms, -0.3%) sparkline.rdp.500000: 24.97 ms (baseline: 23.22 ms, +7.5%) ✓ sparkline.none.948423: 588.79 ms (baseline: 686.78 ms, -14.3%) ✓ sparkline.movingAvg.948423: 124.53 ms (baseline: 153.51 ms, -18.9%) ✓ sparkline.rdp.948423: 47.40 ms (baseline: 240.30 ms, -80.3%) ⚠️ windrose.aggregation.1000: 637.5 µs (baseline: 429.2 µs, +48.5%) ⚠️ windrose.draw.1000: 1.29 ms (baseline: 864.1 µs, +49.1%) ⚠️ windrose.aggregation.10000: 3.61 ms (baseline: 1.50 ms, +141.1%) ⚠️ windrose.draw.10000: 2.09 ms (baseline: 1.32 ms, +58.2%) windrose.aggregation.50000: 8.75 ms (baseline: 8.81 ms, -0.7%) ✓ windrose.draw.50000: 1.32 ms (baseline: 1.47 ms, -10.1%) ⚠️ windrose.aggregation.100000: 12.20 ms (baseline: 6.48 ms, +88.2%) ⚠️ windrose.draw.100000: 1.81 ms (baseline: 857.4 µs, +110.7%) windrose.aggregation.500000: 22.01 ms (baseline: 22.54 ms, -2.4%) ⚠️ windrose.draw.500000: 916.2 µs (baseline: 615.4 µs, +48.9%) ✓ windrose.aggregation.948423: 38.92 ms (baseline: 43.34 ms, -10.2%) ✓ windrose.draw.948423: 665.5 µs (baseline: 1.04 ms, -36.0%) ✓ scaling.none.1x: 5.55 ms (baseline: 8.29 ms, -33.1%) ✓ scaling.movingAvg.1x: 1.72 ms (baseline: 1.98 ms, -13.2%) ⚠️ scaling.rdp.1x: 1.91 ms (baseline: 529.2 µs, +261.7%) scaling.none.2x: 12.13 ms (baseline: 11.41 ms, +6.4%) ⚠️ scaling.movingAvg.2x: 4.51 ms (baseline: 1.51 ms, +198.8%) scaling.rdp.2x: 2.30 ms (baseline: 1.92 ms, +19.4%) ✓ scaling.none.5x: 24.02 ms (baseline: 32.88 ms, -26.9%) ✓ scaling.movingAvg.5x: 3.34 ms (baseline: 4.81 ms, -30.6%) scaling.rdp.5x: 2.46 ms (baseline: 2.06 ms, +19.1%) scaling.none.10x: 51.92 ms (baseline: 54.13 ms, -4.1%) ⚠️ scaling.movingAvg.10x: 9.79 ms (baseline: 7.43 ms, +31.7%) ✓ scaling.rdp.10x: 3.68 ms (baseline: 6.75 ms, -45.5%) ✓ scaling.none.20x: 107.02 ms (baseline: 133.38 ms, -19.8%) ⚠️ scaling.movingAvg.20x: 20.92 ms (baseline: 11.24 ms, +86.0%) ✓ scaling.rdp.20x: 9.47 ms (baseline: 15.97 ms, -40.7%) ✓ scaling.none.50x: 265.84 ms (baseline: 338.43 ms, -21.4%) ✓ scaling.movingAvg.50x: 43.83 ms (baseline: 50.33 ms, -12.9%) ✓ scaling.rdp.50x: 38.52 ms (baseline: 92.44 ms, -58.3%) ✓ multiseries.movingAvg.1series: 5.45 ms (baseline: 9.31 ms, -41.4%) ✓ multiseries.rdp.1series: 4.52 ms (baseline: 5.69 ms, -20.6%) ✓ multiseries.movingAvg.2series: 10.05 ms (baseline: 15.14 ms, -33.6%) ✓ multiseries.rdp.2series: 9.55 ms (baseline: 16.12 ms, -40.7%) ✓ multiseries.movingAvg.3series: 16.99 ms (baseline: 26.48 ms, -35.8%) ✓ multiseries.rdp.3series: 14.61 ms (baseline: 16.23 ms, -10.0%) ✓ multiseries.movingAvg.5series: 29.20 ms (baseline: 34.86 ms, -16.2%) multiseries.rdp.5series: 26.98 ms (baseline: 28.16 ms, -4.2%) 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: 41.01 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: 0.010 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: 0.029 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: 15.06 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: 2026-03-17T07:32:49Z [INFO] ------------------------------------------------------------------------