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=25.1-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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: 2.820 s [INFO] Finished at: 2026-07-27T01:45:34Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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 -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.447 s [INFO] Finished at: 2026-07-27T01:45:39Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -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 6.8.0-136-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-27T00:32:23.118616432Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 01:46:19.242 [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 | 3.87 ms | 3.76 ms | 2.47 ms 1,000 | 11.55 ms | 1.44 ms | 1.94 ms 10,000 | 17.02 ms | 4.15 ms | 6.76 ms 49,871 | 100.48 ms | 31.47 ms | 84.76 ms 97,643 | 65.49 ms | 5.18 ms | 14.73 ms 495,995 | 392.26 ms | 38.78 ms | 24.39 ms 944,282 | 628.02 ms | 119.39 ms | 111.47 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 | 568.3 µs | 2.74 ms | 3.30 ms 10,000 | 5.82 ms | 1.70 ms | 7.52 ms 50,000 | 16.18 ms | 1.70 ms | 17.87 ms 100,000 | 16.34 ms | 1.34 ms | 17.68 ms 500,000 | 22.16 ms | 705.5 µs | 22.87 ms 948,423 | 39.79 ms | 1.33 ms | 41.12 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 | 26.31 ms ( 3.1x) | 4.11 ms ( 2.2x) | 3.50 ms ( 5.0x) 2x | 19,996 | 16.40 ms ( 2.0x) | 9.32 ms ( 5.0x) | 3.51 ms ( 5.0x) 5x | 49,871 | 27.54 ms ( 3.3x) | 4.59 ms ( 2.5x) | 4.81 ms ( 6.9x) 10x | 97,643 | 51.18 ms ( 6.1x) | 5.98 ms ( 3.2x) | 3.79 ms ( 5.4x) 20x | 196,569 | 121.60 ms (14.5x) | 12.30 ms ( 6.6x) | 14.20 ms (20.3x) 50x | 495,995 | 323.82 ms (38.5x) | 48.79 ms (26.3x) | 23.11 ms (33.1x) 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 | 159.5 µs | 5 | 1.14 ms 10,000 | 5 | 587.7 µs | 5 | 513.4 µs 97,643 | 5 | 4.87 ms | 5 | 4.67 ms 495,995 | 5 | 47.03 ms | 5 | 35.09 ms 944,282 | 5 | 123.12 ms | 5 | 55.70 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 | 20.57 ms | 12.07 ms 2 | 16.97 ms | 12.26 ms 3 | 14.48 ms | 16.63 ms 5 | 30.60 ms | 38.60 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.87 ms (baseline: 3.66 ms, +5.6%) ✓ sparkline.movingAvg.100: 3.76 ms (baseline: 9.74 ms, -61.4%) ✓ sparkline.rdp.100: 2.47 ms (baseline: 4.70 ms, -47.5%) sparkline.none.1000: 11.55 ms (baseline: 12.42 ms, -7.0%) ✓ sparkline.movingAvg.1000: 1.44 ms (baseline: 3.21 ms, -55.3%) ✓ sparkline.rdp.1000: 1.94 ms (baseline: 3.18 ms, -39.0%) ⚠️ sparkline.none.10000: 17.02 ms (baseline: 12.99 ms, +31.0%) ⚠️ sparkline.movingAvg.10000: 4.15 ms (baseline: 2.82 ms, +47.4%) sparkline.rdp.10000: 6.76 ms (baseline: 6.33 ms, +6.8%) ⚠️ sparkline.none.50000: 100.48 ms (baseline: 47.96 ms, +109.5%) ⚠️ sparkline.movingAvg.50000: 31.47 ms (baseline: 7.37 ms, +327.2%) ✓ sparkline.rdp.50000: 84.76 ms (baseline: 99.93 ms, -15.2%) ✓ sparkline.none.100000: 65.49 ms (baseline: 87.26 ms, -24.9%) ✓ sparkline.movingAvg.100000: 5.18 ms (baseline: 11.88 ms, -56.4%) sparkline.rdp.100000: 14.73 ms (baseline: 13.68 ms, +7.7%) sparkline.none.500000: 392.26 ms (baseline: 434.46 ms, -9.7%) ✓ sparkline.movingAvg.500000: 38.78 ms (baseline: 48.48 ms, -20.0%) ✓ sparkline.rdp.500000: 24.39 ms (baseline: 87.84 ms, -72.2%) sparkline.none.948423: 628.02 ms (baseline: 675.86 ms, -7.1%) ✓ sparkline.movingAvg.948423: 119.39 ms (baseline: 168.18 ms, -29.0%) ⚠️ sparkline.rdp.948423: 111.47 ms (baseline: 86.68 ms, +28.6%) ⚠️ windrose.aggregation.1000: 568.3 µs (baseline: 445.4 µs, +27.6%) ⚠️ windrose.draw.1000: 2.74 ms (baseline: 2.05 ms, +33.6%) ⚠️ windrose.aggregation.10000: 5.82 ms (baseline: 2.25 ms, +159.4%) ✓ windrose.draw.10000: 1.70 ms (baseline: 2.40 ms, -29.2%) windrose.aggregation.50000: 16.18 ms (baseline: 14.14 ms, +14.4%) windrose.draw.50000: 1.70 ms (baseline: 1.56 ms, +8.5%) ⚠️ windrose.aggregation.100000: 16.34 ms (baseline: 10.46 ms, +56.2%) ✓ windrose.draw.100000: 1.34 ms (baseline: 2.63 ms, -48.9%) windrose.aggregation.500000: 22.16 ms (baseline: 22.22 ms, -0.3%) windrose.draw.500000: 705.5 µs (baseline: 647.1 µs, +9.0%) ✓ windrose.aggregation.948423: 39.79 ms (baseline: 67.30 ms, -40.9%) ✓ windrose.draw.948423: 1.33 ms (baseline: 11.47 ms, -88.4%) ⚠️ scaling.none.1x: 26.31 ms (baseline: 15.21 ms, +73.0%) ⚠️ scaling.movingAvg.1x: 4.11 ms (baseline: 2.25 ms, +82.8%) ⚠️ scaling.rdp.1x: 3.50 ms (baseline: 2.27 ms, +54.4%) scaling.none.2x: 16.40 ms (baseline: 13.89 ms, +18.1%) ⚠️ scaling.movingAvg.2x: 9.32 ms (baseline: 1.36 ms, +588.1%) ⚠️ scaling.rdp.2x: 3.51 ms (baseline: 2.32 ms, +51.4%) ✓ scaling.none.5x: 27.54 ms (baseline: 43.18 ms, -36.2%) ✓ scaling.movingAvg.5x: 4.59 ms (baseline: 6.76 ms, -32.0%) scaling.rdp.5x: 4.81 ms (baseline: 4.43 ms, +8.6%) scaling.none.10x: 51.18 ms (baseline: 53.36 ms, -4.1%) scaling.movingAvg.10x: 5.98 ms (baseline: 5.70 ms, +5.1%) scaling.rdp.10x: 3.79 ms (baseline: 3.95 ms, -4.1%) scaling.none.20x: 121.60 ms (baseline: 132.51 ms, -8.2%) ✓ scaling.movingAvg.20x: 12.30 ms (baseline: 17.00 ms, -27.6%) ✓ scaling.rdp.20x: 14.20 ms (baseline: 17.35 ms, -18.2%) scaling.none.50x: 323.82 ms (baseline: 322.22 ms, +0.5%) scaling.movingAvg.50x: 48.79 ms (baseline: 51.22 ms, -4.7%) ✓ scaling.rdp.50x: 23.11 ms (baseline: 54.60 ms, -57.7%) ⚠️ multiseries.movingAvg.1series: 20.57 ms (baseline: 6.88 ms, +198.9%) ✓ multiseries.rdp.1series: 12.07 ms (baseline: 34.78 ms, -65.3%) ⚠️ multiseries.movingAvg.2series: 16.97 ms (baseline: 12.67 ms, +34.0%) ✓ multiseries.rdp.2series: 12.26 ms (baseline: 16.01 ms, -23.4%) ✓ multiseries.movingAvg.3series: 14.48 ms (baseline: 34.50 ms, -58.0%) ✓ multiseries.rdp.3series: 16.63 ms (baseline: 25.55 ms, -34.9%) ✓ multiseries.movingAvg.5series: 30.60 ms (baseline: 38.28 ms, -20.1%) ⚠️ multiseries.rdp.5series: 38.60 ms (baseline: 27.52 ms, +40.2%) 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: 47.51 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: 0.026 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: 0.037 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: 21.37 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: 01:20 min [INFO] Finished at: 2026-07-27T01:47:09Z [INFO] ------------------------------------------------------------------------