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: 2.387 s [INFO] Finished at: 2026-03-22T06:19:02Z [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 -> 25.0.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.494 s [INFO] Finished at: 2026-03-22T06:19:07Z [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: 2026-03-22T04:47:22.685867612Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:19:39.425 [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 | 5.36 ms | 4.58 ms | 4.71 ms 1,000 | 5.23 ms | 3.49 ms | 6.18 ms 10,000 | 15.72 ms | 3.37 ms | 6.25 ms 49,871 | 54.30 ms | 6.87 ms | 90.20 ms 97,643 | 109.14 ms | 9.02 ms | 5.35 ms 495,995 | 394.73 ms | 34.14 ms | 30.04 ms 944,282 | 559.66 ms | 121.91 ms | 166.04 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 | 1.27 ms | 6.30 ms | 7.57 ms 10,000 | 7.72 ms | 689.3 µs | 8.41 ms 50,000 | 13.07 ms | 2.16 ms | 15.22 ms 100,000 | 13.01 ms | 1.46 ms | 14.47 ms 500,000 | 38.68 ms | 1.41 ms | 40.10 ms 948,423 | 51.43 ms | 1.54 ms | 52.97 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 | 9.13 ms ( 0.8x) | 679.3 µs ( 0.2x) | 945.3 µs ( 0.7x) 2x | 19,996 | 27.12 ms ( 2.3x) | 3.28 ms ( 1.1x) | 5.37 ms ( 4.0x) 5x | 49,871 | 46.58 ms ( 4.0x) | 7.18 ms ( 2.4x) | 4.22 ms ( 3.2x) 10x | 97,643 | 55.63 ms ( 4.8x) | 6.72 ms ( 2.2x) | 4.04 ms ( 3.0x) 20x | 196,569 | 131.49 ms (11.3x) | 9.25 ms ( 3.1x) | 7.65 ms ( 5.8x) 50x | 495,995 | 331.64 ms (28.4x) | 57.55 ms (19.3x) | 41.11 ms (31.0x) 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 | 372.3 µs | 5 | 216.4 µs 10,000 | 5 | 1.33 ms | 5 | 1.25 ms 97,643 | 5 | 10.37 ms | 5 | 3.44 ms 495,995 | 5 | 49.10 ms | 5 | 52.23 ms 944,282 | 5 | 138.81 ms | 5 | 95.23 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 | 9.97 ms | 7.23 ms 2 | 23.40 ms | 10.18 ms 3 | 22.73 ms | 28.06 ms 5 | 27.16 ms | 33.65 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.36 ms (baseline: 1.22 ms, +338.9%) ⚠️ sparkline.movingAvg.100: 4.58 ms (baseline: 1.46 ms, +214.2%) ⚠️ sparkline.rdp.100: 4.71 ms (baseline: 1.21 ms, +290.2%) ⚠️ sparkline.none.1000: 5.23 ms (baseline: 2.41 ms, +116.7%) ⚠️ sparkline.movingAvg.1000: 3.49 ms (baseline: 1.45 ms, +140.2%) ⚠️ sparkline.rdp.1000: 6.18 ms (baseline: 2.51 ms, +146.0%) sparkline.none.10000: 15.72 ms (baseline: 13.11 ms, +19.9%) ⚠️ sparkline.movingAvg.10000: 3.37 ms (baseline: 2.69 ms, +25.2%) ⚠️ sparkline.rdp.10000: 6.25 ms (baseline: 3.74 ms, +67.3%) ⚠️ sparkline.none.50000: 54.30 ms (baseline: 23.57 ms, +130.3%) ⚠️ sparkline.movingAvg.50000: 6.87 ms (baseline: 3.29 ms, +108.7%) ⚠️ sparkline.rdp.50000: 90.20 ms (baseline: 40.61 ms, +122.1%) ⚠️ sparkline.none.100000: 109.14 ms (baseline: 44.26 ms, +146.6%) ⚠️ sparkline.movingAvg.100000: 9.02 ms (baseline: 6.92 ms, +30.3%) sparkline.rdp.100000: 5.35 ms (baseline: 5.04 ms, +6.2%) ⚠️ sparkline.none.500000: 394.73 ms (baseline: 250.54 ms, +57.6%) sparkline.movingAvg.500000: 34.14 ms (baseline: 31.05 ms, +10.0%) ⚠️ sparkline.rdp.500000: 30.04 ms (baseline: 18.26 ms, +64.5%) ⚠️ sparkline.none.948423: 559.66 ms (baseline: 439.72 ms, +27.3%) ⚠️ sparkline.movingAvg.948423: 121.91 ms (baseline: 95.82 ms, +27.2%) ⚠️ sparkline.rdp.948423: 166.04 ms (baseline: 47.46 ms, +249.8%) ✓ windrose.aggregation.1000: 1.27 ms (baseline: 4.01 ms, -68.4%) ⚠️ windrose.draw.1000: 6.30 ms (baseline: 1.00 ms, +528.4%) ⚠️ windrose.aggregation.10000: 7.72 ms (baseline: 2.13 ms, +263.0%) ✓ windrose.draw.10000: 689.3 µs (baseline: 1.19 ms, -42.2%) ⚠️ windrose.aggregation.50000: 13.07 ms (baseline: 10.47 ms, +24.8%) ⚠️ windrose.draw.50000: 2.16 ms (baseline: 1.25 ms, +72.3%) ✓ windrose.aggregation.100000: 13.01 ms (baseline: 19.15 ms, -32.1%) ⚠️ windrose.draw.100000: 1.46 ms (baseline: 589.5 µs, +147.3%) ⚠️ windrose.aggregation.500000: 38.68 ms (baseline: 19.82 ms, +95.2%) ⚠️ windrose.draw.500000: 1.41 ms (baseline: 696.4 µs, +102.6%) ⚠️ windrose.aggregation.948423: 51.43 ms (baseline: 37.98 ms, +35.4%) ⚠️ windrose.draw.948423: 1.54 ms (baseline: 501.3 µs, +207.6%) ⚠️ scaling.none.1x: 9.13 ms (baseline: 4.63 ms, +97.3%) scaling.movingAvg.1x: 679.3 µs (baseline: 695.1 µs, -2.3%) ⚠️ scaling.rdp.1x: 945.3 µs (baseline: 719.9 µs, +31.3%) ⚠️ scaling.none.2x: 27.12 ms (baseline: 8.48 ms, +219.8%) ⚠️ scaling.movingAvg.2x: 3.28 ms (baseline: 1.27 ms, +158.5%) ⚠️ scaling.rdp.2x: 5.37 ms (baseline: 951.6 µs, +464.7%) ⚠️ scaling.none.5x: 46.58 ms (baseline: 23.35 ms, +99.5%) ⚠️ scaling.movingAvg.5x: 7.18 ms (baseline: 2.93 ms, +144.6%) ⚠️ scaling.rdp.5x: 4.22 ms (baseline: 1.82 ms, +132.1%) ⚠️ scaling.none.10x: 55.63 ms (baseline: 43.31 ms, +28.4%) scaling.movingAvg.10x: 6.72 ms (baseline: 5.76 ms, +16.7%) scaling.rdp.10x: 4.04 ms (baseline: 3.42 ms, +17.9%) ⚠️ scaling.none.20x: 131.49 ms (baseline: 87.01 ms, +51.1%) scaling.movingAvg.20x: 9.25 ms (baseline: 9.73 ms, -4.9%) scaling.rdp.20x: 7.65 ms (baseline: 7.06 ms, +8.5%) ⚠️ scaling.none.50x: 331.64 ms (baseline: 212.20 ms, +56.3%) ⚠️ scaling.movingAvg.50x: 57.55 ms (baseline: 31.31 ms, +83.8%) ⚠️ scaling.rdp.50x: 41.11 ms (baseline: 17.55 ms, +134.2%) ⚠️ multiseries.movingAvg.1series: 9.97 ms (baseline: 4.67 ms, +113.3%) multiseries.rdp.1series: 7.23 ms (baseline: 7.05 ms, +2.5%) ⚠️ multiseries.movingAvg.2series: 23.40 ms (baseline: 9.71 ms, +140.9%) multiseries.rdp.2series: 10.18 ms (baseline: 9.84 ms, +3.5%) ⚠️ multiseries.movingAvg.3series: 22.73 ms (baseline: 14.36 ms, +58.3%) ⚠️ multiseries.rdp.3series: 28.06 ms (baseline: 13.41 ms, +109.3%) multiseries.movingAvg.5series: 27.16 ms (baseline: 25.65 ms, +5.9%) ⚠️ multiseries.rdp.5series: 33.65 ms (baseline: 27.38 ms, +22.9%) 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: 46.68 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: 0.014 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: 0.030 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: 18.98 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: 01:17 min [INFO] Finished at: 2026-03-22T06:20:27Z [INFO] ------------------------------------------------------------------------