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: 2.044 s [INFO] Finished at: 2026-03-04T07:23:04Z [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-beta1 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.867 s [INFO] Finished at: 2026-03-04T07:23:08Z [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 6.8.0-101-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-03-04T06:16:22.837468382Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:23:37.057 [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 | 5.38 ms | 6.34 ms | 3.87 ms 1,000 | 10.19 ms | 9.17 ms | 8.65 ms 10,000 | 21.57 ms | 5.56 ms | 8.33 ms 49,871 | 40.72 ms | 10.11 ms | 53.61 ms 97,643 | 55.90 ms | 12.22 ms | 7.68 ms 495,995 | 383.23 ms | 46.59 ms | 102.26 ms 944,282 | 554.04 ms | 109.37 ms | 94.75 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 | 475.2 µs | 1.45 ms | 1.92 ms 10,000 | 1.50 ms | 981.2 µs | 2.49 ms 50,000 | 17.23 ms | 901.7 µs | 18.13 ms 100,000 | 4.03 ms | 1.30 ms | 5.33 ms 500,000 | 21.29 ms | 559.2 µs | 21.85 ms 948,423 | 80.79 ms | 1.76 ms | 82.55 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 | 7.32 ms ( 0.6x) | 1.17 ms ( 0.7x) | 2.23 ms ( 2.0x) 2x | 19,996 | 9.20 ms ( 0.7x) | 2.21 ms ( 1.4x) | 1.29 ms ( 1.1x) 5x | 49,871 | 37.73 ms ( 2.9x) | 4.15 ms ( 2.6x) | 2.68 ms ( 2.3x) 10x | 97,643 | 63.89 ms ( 4.9x) | 5.15 ms ( 3.2x) | 5.40 ms ( 4.7x) 20x | 196,569 | 118.97 ms ( 9.0x) | 12.75 ms ( 7.9x) | 14.21 ms (12.5x) 50x | 495,995 | 327.33 ms (24.9x) | 38.74 ms (24.0x) | 31.37 ms (27.5x) 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 | 166.4 µs | 5 | 201.3 µs 10,000 | 5 | 754.2 µs | 5 | 779.4 µs 97,643 | 5 | 5.14 ms | 5 | 4.39 ms 495,995 | 5 | 63.87 ms | 5 | 24.41 ms 944,282 | 5 | 114.73 ms | 5 | 106.99 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 | 8.97 ms | 3.51 ms 2 | 15.27 ms | 12.04 ms 3 | 14.91 ms | 21.34 ms 5 | 27.80 ms | 32.09 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.38 ms (baseline: 1.55 ms, +247.7%) ⚠️ sparkline.movingAvg.100: 6.34 ms (baseline: 2.84 ms, +123.3%) ⚠️ sparkline.rdp.100: 3.87 ms (baseline: 1.33 ms, +192.3%) ⚠️ sparkline.none.1000: 10.19 ms (baseline: 7.47 ms, +36.5%) ⚠️ sparkline.movingAvg.1000: 9.17 ms (baseline: 3.20 ms, +186.9%) ⚠️ sparkline.rdp.1000: 8.65 ms (baseline: 2.97 ms, +191.6%) ✓ sparkline.none.10000: 21.57 ms (baseline: 26.51 ms, -18.6%) sparkline.movingAvg.10000: 5.56 ms (baseline: 5.13 ms, +8.4%) ✓ sparkline.rdp.10000: 8.33 ms (baseline: 9.48 ms, -12.1%) ✓ sparkline.none.50000: 40.72 ms (baseline: 59.96 ms, -32.1%) ⚠️ sparkline.movingAvg.50000: 10.11 ms (baseline: 8.24 ms, +22.7%) sparkline.rdp.50000: 53.61 ms (baseline: 54.23 ms, -1.1%) ✓ sparkline.none.100000: 55.90 ms (baseline: 73.18 ms, -23.6%) ⚠️ sparkline.movingAvg.100000: 12.22 ms (baseline: 9.59 ms, +27.4%) sparkline.rdp.100000: 7.68 ms (baseline: 8.23 ms, -6.7%) sparkline.none.500000: 383.23 ms (baseline: 387.79 ms, -1.2%) sparkline.movingAvg.500000: 46.59 ms (baseline: 42.09 ms, +10.7%) ⚠️ sparkline.rdp.500000: 102.26 ms (baseline: 28.12 ms, +263.6%) sparkline.none.948423: 554.04 ms (baseline: 580.51 ms, -4.6%) sparkline.movingAvg.948423: 109.37 ms (baseline: 119.91 ms, -8.8%) ✓ sparkline.rdp.948423: 94.75 ms (baseline: 204.07 ms, -53.6%) ✓ windrose.aggregation.1000: 475.2 µs (baseline: 2.23 ms, -78.7%) ✓ windrose.draw.1000: 1.45 ms (baseline: 2.00 ms, -27.4%) ✓ windrose.aggregation.10000: 1.50 ms (baseline: 4.98 ms, -69.8%) ⚠️ windrose.draw.10000: 981.2 µs (baseline: 722.2 µs, +35.9%) windrose.aggregation.50000: 17.23 ms (baseline: 16.25 ms, +6.0%) ✓ windrose.draw.50000: 901.7 µs (baseline: 1.03 ms, -12.8%) ✓ windrose.aggregation.100000: 4.03 ms (baseline: 6.33 ms, -36.3%) ⚠️ windrose.draw.100000: 1.30 ms (baseline: 1.00 ms, +29.8%) ✓ windrose.aggregation.500000: 21.29 ms (baseline: 23.85 ms, -10.7%) ✓ windrose.draw.500000: 559.2 µs (baseline: 757.0 µs, -26.1%) ⚠️ windrose.aggregation.948423: 80.79 ms (baseline: 54.97 ms, +47.0%) ⚠️ windrose.draw.948423: 1.76 ms (baseline: 721.0 µs, +144.6%) ✓ scaling.none.1x: 7.32 ms (baseline: 8.82 ms, -17.0%) ⚠️ scaling.movingAvg.1x: 1.17 ms (baseline: 638.7 µs, +83.3%) ⚠️ scaling.rdp.1x: 2.23 ms (baseline: 594.3 µs, +274.4%) ✓ scaling.none.2x: 9.20 ms (baseline: 14.36 ms, -36.0%) ⚠️ scaling.movingAvg.2x: 2.21 ms (baseline: 1.57 ms, +40.7%) ✓ scaling.rdp.2x: 1.29 ms (baseline: 2.28 ms, -43.4%) ⚠️ scaling.none.5x: 37.73 ms (baseline: 27.16 ms, +38.9%) scaling.movingAvg.5x: 4.15 ms (baseline: 3.67 ms, +12.9%) ⚠️ scaling.rdp.5x: 2.68 ms (baseline: 2.21 ms, +21.1%) ⚠️ scaling.none.10x: 63.89 ms (baseline: 50.31 ms, +27.0%) ✓ scaling.movingAvg.10x: 5.15 ms (baseline: 8.00 ms, -35.6%) scaling.rdp.10x: 5.40 ms (baseline: 4.55 ms, +18.8%) scaling.none.20x: 118.97 ms (baseline: 113.99 ms, +4.4%) ✓ scaling.movingAvg.20x: 12.75 ms (baseline: 15.45 ms, -17.5%) ✓ scaling.rdp.20x: 14.21 ms (baseline: 27.65 ms, -48.6%) scaling.none.50x: 327.33 ms (baseline: 279.67 ms, +17.0%) ✓ scaling.movingAvg.50x: 38.74 ms (baseline: 48.41 ms, -20.0%) ⚠️ scaling.rdp.50x: 31.37 ms (baseline: 24.13 ms, +30.0%) ⚠️ multiseries.movingAvg.1series: 8.97 ms (baseline: 6.88 ms, +30.4%) ✓ multiseries.rdp.1series: 3.51 ms (baseline: 7.87 ms, -55.4%) ⚠️ multiseries.movingAvg.2series: 15.27 ms (baseline: 11.84 ms, +28.9%) multiseries.rdp.2series: 12.04 ms (baseline: 11.37 ms, +5.9%) ✓ multiseries.movingAvg.3series: 14.91 ms (baseline: 20.16 ms, -26.1%) ⚠️ multiseries.rdp.3series: 21.34 ms (baseline: 16.54 ms, +29.0%) multiseries.movingAvg.5series: 27.80 ms (baseline: 29.62 ms, -6.1%) multiseries.rdp.5series: 32.09 ms (baseline: 29.33 ms, +9.4%) 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: 43.03 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: 0.025 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: 0.011 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: 15.78 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: 01:09 min [INFO] Finished at: 2026-03-04T07:24:20Z [INFO] ------------------------------------------------------------------------