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: 2.662 s [INFO] Finished at: 2026-03-18T06:25:10Z [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: 2.731 s [INFO] Finished at: 2026-03-18T06:25:15Z [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: 2026-03-18T04:52:21.060273496Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:25:47.277 [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 | 2.89 ms | 5.69 ms | 3.76 ms 1,000 | 6.01 ms | 3.22 ms | 2.84 ms 10,000 | 24.76 ms | 7.41 ms | 8.40 ms 49,871 | 71.03 ms | 6.75 ms | 60.79 ms 97,643 | 99.22 ms | 12.57 ms | 7.63 ms 495,995 | 338.22 ms | 39.30 ms | 41.39 ms 944,282 | 496.00 ms | 126.51 ms | 115.62 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 | 603.3 µs | 1.46 ms | 2.07 ms 10,000 | 1.60 ms | 2.90 ms | 4.50 ms 50,000 | 15.94 ms | 1.75 ms | 17.69 ms 100,000 | 7.07 ms | 1.54 ms | 8.62 ms 500,000 | 33.14 ms | 983.6 µs | 34.12 ms 948,423 | 51.56 ms | 1.04 ms | 52.60 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 | 7.19 ms ( 1.2x) | 615.5 µs ( 0.6x) | 911.2 µs ( 1.0x) 2x | 19,996 | 18.28 ms ( 2.9x) | 1.46 ms ( 1.4x) | 959.0 µs ( 1.0x) 5x | 49,871 | 26.17 ms ( 4.2x) | 10.53 ms (10.1x) | 3.67 ms ( 3.9x) 10x | 97,643 | 45.63 ms ( 7.3x) | 5.07 ms ( 4.9x) | 5.74 ms ( 6.2x) 20x | 196,569 | 124.80 ms (20.0x) | 10.74 ms (10.3x) | 10.67 ms (11.5x) 50x | 495,995 | 261.46 ms (41.8x) | 55.42 ms (53.1x) | 48.89 ms (52.5x) 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 | 204.7 µs | 5 | 741.4 µs 10,000 | 5 | 586.9 µs | 5 | 492.0 µs 97,643 | 5 | 8.31 ms | 5 | 6.70 ms 495,995 | 5 | 49.69 ms | 5 | 49.94 ms 944,282 | 5 | 129.43 ms | 5 | 78.26 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 | 6.87 ms | 3.25 ms 2 | 12.43 ms | 19.11 ms 3 | 19.50 ms | 14.97 ms 5 | 28.35 ms | 24.03 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.89 ms (baseline: 1.79 ms, +61.8%) sparkline.movingAvg.100: 5.69 ms (baseline: 4.76 ms, +19.6%) ⚠️ sparkline.rdp.100: 3.76 ms (baseline: 1.26 ms, +197.4%) sparkline.none.1000: 6.01 ms (baseline: 5.38 ms, +11.7%) ⚠️ sparkline.movingAvg.1000: 3.22 ms (baseline: 2.62 ms, +23.0%) ✓ sparkline.rdp.1000: 2.84 ms (baseline: 3.92 ms, -27.5%) ✓ sparkline.none.10000: 24.76 ms (baseline: 43.97 ms, -43.7%) ⚠️ sparkline.movingAvg.10000: 7.41 ms (baseline: 4.84 ms, +53.1%) ⚠️ sparkline.rdp.10000: 8.40 ms (baseline: 6.93 ms, +21.3%) ⚠️ sparkline.none.50000: 71.03 ms (baseline: 36.35 ms, +95.4%) ⚠️ sparkline.movingAvg.50000: 6.75 ms (baseline: 5.52 ms, +22.2%) ✓ sparkline.rdp.50000: 60.79 ms (baseline: 80.22 ms, -24.2%) sparkline.none.100000: 99.22 ms (baseline: 87.17 ms, +13.8%) ⚠️ sparkline.movingAvg.100000: 12.57 ms (baseline: 10.08 ms, +24.7%) ✓ sparkline.rdp.100000: 7.63 ms (baseline: 10.97 ms, -30.5%) sparkline.none.500000: 338.22 ms (baseline: 331.48 ms, +2.0%) ✓ sparkline.movingAvg.500000: 39.30 ms (baseline: 63.78 ms, -38.4%) ⚠️ sparkline.rdp.500000: 41.39 ms (baseline: 22.03 ms, +87.9%) ✓ sparkline.none.948423: 496.00 ms (baseline: 558.12 ms, -11.1%) sparkline.movingAvg.948423: 126.51 ms (baseline: 116.89 ms, +8.2%) ⚠️ sparkline.rdp.948423: 115.62 ms (baseline: 66.84 ms, +73.0%) windrose.aggregation.1000: 603.3 µs (baseline: 511.2 µs, +18.0%) ✓ windrose.draw.1000: 1.46 ms (baseline: 2.67 ms, -45.2%) ✓ windrose.aggregation.10000: 1.60 ms (baseline: 6.65 ms, -75.9%) ⚠️ windrose.draw.10000: 2.90 ms (baseline: 1.43 ms, +103.0%) windrose.aggregation.50000: 15.94 ms (baseline: 14.03 ms, +13.6%) windrose.draw.50000: 1.75 ms (baseline: 1.72 ms, +1.8%) ✓ windrose.aggregation.100000: 7.07 ms (baseline: 9.72 ms, -27.2%) ⚠️ windrose.draw.100000: 1.54 ms (baseline: 1.16 ms, +32.6%) ✓ windrose.aggregation.500000: 33.14 ms (baseline: 58.49 ms, -43.3%) ⚠️ windrose.draw.500000: 983.6 µs (baseline: 609.7 µs, +61.3%) ✓ windrose.aggregation.948423: 51.56 ms (baseline: 77.60 ms, -33.6%) windrose.draw.948423: 1.04 ms (baseline: 1.16 ms, -9.8%) ✓ scaling.none.1x: 7.19 ms (baseline: 9.61 ms, -25.1%) ✓ scaling.movingAvg.1x: 615.5 µs (baseline: 1.24 ms, -50.5%) scaling.rdp.1x: 911.2 µs (baseline: 813.5 µs, +12.0%) ⚠️ scaling.none.2x: 18.28 ms (baseline: 9.91 ms, +84.5%) ✓ scaling.movingAvg.2x: 1.46 ms (baseline: 6.05 ms, -75.8%) ✓ scaling.rdp.2x: 959.0 µs (baseline: 2.48 ms, -61.3%) ✓ scaling.none.5x: 26.17 ms (baseline: 39.56 ms, -33.9%) ⚠️ scaling.movingAvg.5x: 10.53 ms (baseline: 5.29 ms, +98.9%) ✓ scaling.rdp.5x: 3.67 ms (baseline: 4.35 ms, -15.6%) ✓ scaling.none.10x: 45.63 ms (baseline: 63.59 ms, -28.2%) scaling.movingAvg.10x: 5.07 ms (baseline: 5.41 ms, -6.4%) scaling.rdp.10x: 5.74 ms (baseline: 5.46 ms, +5.2%) scaling.none.20x: 124.80 ms (baseline: 127.07 ms, -1.8%) scaling.movingAvg.20x: 10.74 ms (baseline: 11.66 ms, -7.9%) ⚠️ scaling.rdp.20x: 10.67 ms (baseline: 8.08 ms, +32.1%) ✓ scaling.none.50x: 261.46 ms (baseline: 324.51 ms, -19.4%) scaling.movingAvg.50x: 55.42 ms (baseline: 55.17 ms, +0.4%) ⚠️ scaling.rdp.50x: 48.89 ms (baseline: 24.43 ms, +100.1%) ⚠️ multiseries.movingAvg.1series: 6.87 ms (baseline: 5.42 ms, +26.7%) ✓ multiseries.rdp.1series: 3.25 ms (baseline: 5.75 ms, -43.5%) ⚠️ multiseries.movingAvg.2series: 12.43 ms (baseline: 9.43 ms, +31.8%) ⚠️ multiseries.rdp.2series: 19.11 ms (baseline: 10.22 ms, +87.0%) ⚠️ multiseries.movingAvg.3series: 19.50 ms (baseline: 14.85 ms, +31.3%) multiseries.rdp.3series: 14.97 ms (baseline: 13.94 ms, +7.4%) ✓ multiseries.movingAvg.5series: 28.35 ms (baseline: 31.97 ms, -11.3%) multiseries.rdp.5series: 24.03 ms (baseline: 26.25 ms, -8.5%) 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: 44.71 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: 0.024 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: 0.042 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: 16.06 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: 01:12 min [INFO] Finished at: 2026-03-18T06:26:30Z [INFO] ------------------------------------------------------------------------