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 939d4f0 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.2.1 -DgenerateBackupPoms=false -B --no-transfer-progress [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, 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 1.1.1-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: 2.563 s [INFO] Finished at: 2026-07-07T07:11:34Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.1 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, 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 1.1.1-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:1.1.1-SNAPSHOT -> 25.2.1 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.470 s [INFO] Finished at: 2026-07-07T07:11:39Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -DskipPerformanceValidation=true [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, 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 1.1.1-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:1.1.1-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 6.8.0-134-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-06T07:31:12.189200573Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:12:17.818 [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 | 2.74 ms | 6.69 ms | 3.20 ms 1,000 | 5.48 ms | 2.66 ms | 6.51 ms 10,000 | 22.02 ms | 3.69 ms | 5.70 ms 49,871 | 35.22 ms | 4.96 ms | 77.05 ms 97,643 | 131.23 ms | 13.11 ms | 5.25 ms 495,995 | 395.99 ms | 82.25 ms | 22.40 ms 944,282 | 603.52 ms | 144.74 ms | 169.67 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 | 774.0 µs | 2.58 ms | 3.35 ms 10,000 | 1.59 ms | 1.41 ms | 3.00 ms 50,000 | 15.32 ms | 1.15 ms | 16.47 ms 100,000 | 32.89 ms | 1.80 ms | 34.69 ms 500,000 | 22.66 ms | 592.5 µs | 23.25 ms 948,423 | 50.64 ms | 529.9 µs | 51.17 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 | 7.83 ms ( 0.6x) | 1.84 ms ( 1.2x) | 2.03 ms ( 2.6x) 2x | 19,996 | 21.45 ms ( 1.5x) | 2.90 ms ( 1.9x) | 1.64 ms ( 2.1x) 5x | 49,871 | 35.47 ms ( 2.5x) | 5.57 ms ( 3.6x) | 6.16 ms ( 7.9x) 10x | 97,643 | 67.24 ms ( 4.8x) | 10.44 ms ( 6.8x) | 5.65 ms ( 7.2x) 20x | 196,569 | 151.35 ms (10.8x) | 14.64 ms ( 9.6x) | 21.04 ms (26.8x) 50x | 495,995 | 317.29 ms (22.7x) | 59.25 ms (38.7x) | 36.19 ms (46.2x) 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 | 455.0 µs | 5 | 240.3 µs 10,000 | 5 | 2.61 ms | 5 | 970.2 µs 97,643 | 5 | 5.94 ms | 5 | 4.59 ms 495,995 | 5 | 31.40 ms | 5 | 38.81 ms 944,282 | 5 | 126.68 ms | 5 | 72.74 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 | 4.99 ms | 4.40 ms 2 | 10.77 ms | 16.65 ms 3 | 14.52 ms | 15.10 ms 5 | 32.07 ms | 42.79 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.74 ms (baseline: 4.69 ms, -41.5%) ⚠️ sparkline.movingAvg.100: 6.69 ms (baseline: 4.12 ms, +62.2%) sparkline.rdp.100: 3.20 ms (baseline: 3.26 ms, -2.0%) sparkline.none.1000: 5.48 ms (baseline: 5.96 ms, -8.2%) ✓ sparkline.movingAvg.1000: 2.66 ms (baseline: 6.84 ms, -61.1%) ⚠️ sparkline.rdp.1000: 6.51 ms (baseline: 3.12 ms, +108.9%) ✓ sparkline.none.10000: 22.02 ms (baseline: 27.10 ms, -18.8%) ✓ sparkline.movingAvg.10000: 3.69 ms (baseline: 4.82 ms, -23.5%) ⚠️ sparkline.rdp.10000: 5.70 ms (baseline: 4.45 ms, +28.1%) ✓ sparkline.none.50000: 35.22 ms (baseline: 64.47 ms, -45.4%) ✓ sparkline.movingAvg.50000: 4.96 ms (baseline: 7.69 ms, -35.5%) sparkline.rdp.50000: 77.05 ms (baseline: 83.70 ms, -7.9%) sparkline.none.100000: 131.23 ms (baseline: 131.46 ms, -0.2%) ⚠️ sparkline.movingAvg.100000: 13.11 ms (baseline: 5.42 ms, +141.8%) ✓ sparkline.rdp.100000: 5.25 ms (baseline: 5.89 ms, -10.9%) sparkline.none.500000: 395.99 ms (baseline: 347.67 ms, +13.9%) ⚠️ sparkline.movingAvg.500000: 82.25 ms (baseline: 64.41 ms, +27.7%) ✓ sparkline.rdp.500000: 22.40 ms (baseline: 46.59 ms, -51.9%) sparkline.none.948423: 603.52 ms (baseline: 623.12 ms, -3.1%) ⚠️ sparkline.movingAvg.948423: 144.74 ms (baseline: 118.74 ms, +21.9%) ⚠️ sparkline.rdp.948423: 169.67 ms (baseline: 78.21 ms, +116.9%) ✓ windrose.aggregation.1000: 774.0 µs (baseline: 3.58 ms, -78.4%) ⚠️ windrose.draw.1000: 2.58 ms (baseline: 1.94 ms, +32.9%) windrose.aggregation.10000: 1.59 ms (baseline: 1.62 ms, -2.2%) ✓ windrose.draw.10000: 1.41 ms (baseline: 2.76 ms, -49.0%) ✓ windrose.aggregation.50000: 15.32 ms (baseline: 20.97 ms, -26.9%) ✓ windrose.draw.50000: 1.15 ms (baseline: 3.28 ms, -64.9%) ⚠️ windrose.aggregation.100000: 32.89 ms (baseline: 4.16 ms, +689.7%) ✓ windrose.draw.100000: 1.80 ms (baseline: 2.04 ms, -11.8%) windrose.aggregation.500000: 22.66 ms (baseline: 21.17 ms, +7.0%) windrose.draw.500000: 592.5 µs (baseline: 627.8 µs, -5.6%) ✓ windrose.aggregation.948423: 50.64 ms (baseline: 74.41 ms, -31.9%) ✓ windrose.draw.948423: 529.9 µs (baseline: 797.9 µs, -33.6%) ✓ scaling.none.1x: 7.83 ms (baseline: 8.86 ms, -11.6%) ⚠️ scaling.movingAvg.1x: 1.84 ms (baseline: 1.10 ms, +67.9%) ⚠️ scaling.rdp.1x: 2.03 ms (baseline: 626.4 µs, +223.5%) ⚠️ scaling.none.2x: 21.45 ms (baseline: 8.27 ms, +159.3%) ⚠️ scaling.movingAvg.2x: 2.90 ms (baseline: 1.36 ms, +112.7%) ✓ scaling.rdp.2x: 1.64 ms (baseline: 1.88 ms, -12.5%) scaling.none.5x: 35.47 ms (baseline: 33.35 ms, +6.4%) ✓ scaling.movingAvg.5x: 5.57 ms (baseline: 7.58 ms, -26.5%) ⚠️ scaling.rdp.5x: 6.16 ms (baseline: 3.22 ms, +91.3%) scaling.none.10x: 67.24 ms (baseline: 68.34 ms, -1.6%) scaling.movingAvg.10x: 10.44 ms (baseline: 10.87 ms, -3.9%) ✓ scaling.rdp.10x: 5.65 ms (baseline: 7.21 ms, -21.6%) scaling.none.20x: 151.35 ms (baseline: 137.89 ms, +9.8%) ⚠️ scaling.movingAvg.20x: 14.64 ms (baseline: 11.94 ms, +22.6%) ⚠️ scaling.rdp.20x: 21.04 ms (baseline: 11.94 ms, +76.3%) scaling.none.50x: 317.29 ms (baseline: 342.56 ms, -7.4%) scaling.movingAvg.50x: 59.25 ms (baseline: 60.78 ms, -2.5%) ⚠️ scaling.rdp.50x: 36.19 ms (baseline: 26.94 ms, +34.3%) ✓ multiseries.movingAvg.1series: 4.99 ms (baseline: 20.70 ms, -75.9%) ✓ multiseries.rdp.1series: 4.40 ms (baseline: 12.89 ms, -65.9%) ✓ multiseries.movingAvg.2series: 10.77 ms (baseline: 18.22 ms, -40.9%) ✓ multiseries.rdp.2series: 16.65 ms (baseline: 18.50 ms, -10.0%) ✓ multiseries.movingAvg.3series: 14.52 ms (baseline: 17.20 ms, -15.6%) ✓ multiseries.rdp.3series: 15.10 ms (baseline: 19.20 ms, -21.4%) multiseries.movingAvg.5series: 32.07 ms (baseline: 28.13 ms, +14.0%) ⚠️ multiseries.rdp.5series: 42.79 ms (baseline: 28.15 ms, +52.0%) 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: 47.91 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: 0.015 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.058 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: 23.70 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 24, 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-1.1.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:22 min [INFO] Finished at: 2026-07-07T07:13:11Z [INFO] ------------------------------------------------------------------------