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-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [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: 2.991 s [INFO] Finished at: 2026-08-08T19:38:11Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [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-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.467 s [INFO] Finished at: 2026-08-08T19:38:18Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true java 25-tem is already installed. Using java version 25-tem in this shell. [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: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-08T18:31:15.510857688Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 19:38:57.898 [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 | 4.68 ms | 1.85 ms | 3.60 ms 1,000 | 8.48 ms | 3.04 ms | 2.90 ms 10,000 | 23.23 ms | 819.0 µs | 21.31 ms 49,871 | 39.37 ms | 4.11 ms | 54.90 ms 97,643 | 46.65 ms | 10.62 ms | 9.29 ms 495,995 | 257.18 ms | 37.18 ms | 40.99 ms 944,282 | 545.99 ms | 105.40 ms | 80.97 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 | 429.1 µs | 1.45 ms | 1.88 ms 10,000 | 10.72 ms | 801.0 µs | 11.52 ms 50,000 | 7.86 ms | 818.8 µs | 8.68 ms 100,000 | 3.45 ms | 863.2 µs | 4.32 ms 500,000 | 18.31 ms | 930.2 µs | 19.24 ms 948,423 | 64.74 ms | 1.14 ms | 65.88 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 | 5.46 ms ( 1.1x) | 618.5 µs ( 0.9x) | 839.9 µs ( 0.4x) 2x | 19,996 | 21.65 ms ( 4.3x) | 1.52 ms ( 2.2x) | 958.2 µs ( 0.4x) 5x | 49,871 | 21.92 ms ( 4.4x) | 3.34 ms ( 4.9x) | 2.66 ms ( 1.2x) 10x | 97,643 | 45.03 ms ( 9.0x) | 5.49 ms ( 8.0x) | 8.24 ms ( 3.8x) 20x | 196,569 | 88.85 ms (17.8x) | 12.61 ms (18.3x) | 13.14 ms ( 6.1x) 50x | 495,995 | 244.68 ms (48.9x) | 42.85 ms (62.2x) | 38.77 ms (18.1x) 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 | 121.3 µs | 5 | 210.5 µs 10,000 | 5 | 974.8 µs | 5 | 2.07 ms 97,643 | 5 | 7.26 ms | 5 | 7.37 ms 495,995 | 5 | 47.85 ms | 5 | 58.86 ms 944,282 | 5 | 134.08 ms | 5 | 62.89 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 | 6.65 ms | 5.74 ms 2 | 15.23 ms | 18.17 ms 3 | 23.10 ms | 18.92 ms 5 | 23.87 ms | 40.70 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.68 ms (baseline: 2.97 ms, +57.5%) ✓ sparkline.movingAvg.100: 1.85 ms (baseline: 2.54 ms, -27.2%) ⚠️ sparkline.rdp.100: 3.60 ms (baseline: 874.2 µs, +311.3%) ⚠️ sparkline.none.1000: 8.48 ms (baseline: 4.61 ms, +83.8%) sparkline.movingAvg.1000: 3.04 ms (baseline: 2.89 ms, +5.3%) sparkline.rdp.1000: 2.90 ms (baseline: 2.79 ms, +3.9%) ⚠️ sparkline.none.10000: 23.23 ms (baseline: 11.87 ms, +95.7%) ✓ sparkline.movingAvg.10000: 819.0 µs (baseline: 2.13 ms, -61.5%) ⚠️ sparkline.rdp.10000: 21.31 ms (baseline: 10.68 ms, +99.4%) ⚠️ sparkline.none.50000: 39.37 ms (baseline: 19.38 ms, +103.2%) ⚠️ sparkline.movingAvg.50000: 4.11 ms (baseline: 2.59 ms, +58.7%) ⚠️ sparkline.rdp.50000: 54.90 ms (baseline: 4.65 ms, +1079.6%) ⚠️ sparkline.none.100000: 46.65 ms (baseline: 33.59 ms, +38.9%) ⚠️ sparkline.movingAvg.100000: 10.62 ms (baseline: 4.86 ms, +118.6%) ⚠️ sparkline.rdp.100000: 9.29 ms (baseline: 4.71 ms, +97.0%) ⚠️ sparkline.none.500000: 257.18 ms (baseline: 200.27 ms, +28.4%) sparkline.movingAvg.500000: 37.18 ms (baseline: 31.79 ms, +17.0%) ⚠️ sparkline.rdp.500000: 40.99 ms (baseline: 31.49 ms, +30.2%) ⚠️ sparkline.none.948423: 545.99 ms (baseline: 353.73 ms, +54.4%) sparkline.movingAvg.948423: 105.40 ms (baseline: 87.95 ms, +19.8%) ✓ sparkline.rdp.948423: 80.97 ms (baseline: 95.67 ms, -15.4%) windrose.aggregation.1000: 429.1 µs (baseline: 476.5 µs, -9.9%) ⚠️ windrose.draw.1000: 1.45 ms (baseline: 749.1 µs, +93.5%) ⚠️ windrose.aggregation.10000: 10.72 ms (baseline: 2.42 ms, +343.1%) ⚠️ windrose.draw.10000: 801.0 µs (baseline: 591.4 µs, +35.4%) ✓ windrose.aggregation.50000: 7.86 ms (baseline: 11.94 ms, -34.2%) ⚠️ windrose.draw.50000: 818.8 µs (baseline: 572.6 µs, +43.0%) ✓ windrose.aggregation.100000: 3.45 ms (baseline: 3.90 ms, -11.5%) ⚠️ windrose.draw.100000: 863.2 µs (baseline: 567.2 µs, +52.2%) windrose.aggregation.500000: 18.31 ms (baseline: 17.96 ms, +1.9%) ⚠️ windrose.draw.500000: 930.2 µs (baseline: 603.3 µs, +54.2%) ⚠️ windrose.aggregation.948423: 64.74 ms (baseline: 34.02 ms, +90.3%) ⚠️ windrose.draw.948423: 1.14 ms (baseline: 553.2 µs, +106.3%) ⚠️ scaling.none.1x: 5.46 ms (baseline: 3.91 ms, +39.8%) ✓ scaling.movingAvg.1x: 618.5 µs (baseline: 1.01 ms, -39.0%) ✓ scaling.rdp.1x: 839.9 µs (baseline: 1.35 ms, -37.6%) ⚠️ scaling.none.2x: 21.65 ms (baseline: 7.84 ms, +176.3%) ⚠️ scaling.movingAvg.2x: 1.52 ms (baseline: 1.00 ms, +51.3%) scaling.rdp.2x: 958.2 µs (baseline: 978.9 µs, -2.1%) ⚠️ scaling.none.5x: 21.92 ms (baseline: 17.59 ms, +24.6%) ⚠️ scaling.movingAvg.5x: 3.34 ms (baseline: 2.59 ms, +29.1%) scaling.rdp.5x: 2.66 ms (baseline: 2.24 ms, +19.0%) ⚠️ scaling.none.10x: 45.03 ms (baseline: 33.49 ms, +34.4%) ⚠️ scaling.movingAvg.10x: 5.49 ms (baseline: 4.38 ms, +25.3%) ⚠️ scaling.rdp.10x: 8.24 ms (baseline: 4.05 ms, +103.2%) ⚠️ scaling.none.20x: 88.85 ms (baseline: 65.51 ms, +35.6%) ⚠️ scaling.movingAvg.20x: 12.61 ms (baseline: 9.25 ms, +36.3%) ⚠️ scaling.rdp.20x: 13.14 ms (baseline: 9.25 ms, +41.9%) ⚠️ scaling.none.50x: 244.68 ms (baseline: 182.43 ms, +34.1%) ⚠️ scaling.movingAvg.50x: 42.85 ms (baseline: 32.51 ms, +31.8%) ⚠️ scaling.rdp.50x: 38.77 ms (baseline: 25.07 ms, +54.7%) multiseries.movingAvg.1series: 6.65 ms (baseline: 6.64 ms, +0.2%) ⚠️ multiseries.rdp.1series: 5.74 ms (baseline: 4.76 ms, +20.5%) ⚠️ multiseries.movingAvg.2series: 15.23 ms (baseline: 11.40 ms, +33.6%) multiseries.rdp.2series: 18.17 ms (baseline: 17.82 ms, +1.9%) ⚠️ multiseries.movingAvg.3series: 23.10 ms (baseline: 15.03 ms, +53.6%) ✓ multiseries.rdp.3series: 18.92 ms (baseline: 23.43 ms, -19.3%) ✓ multiseries.movingAvg.5series: 23.87 ms (baseline: 28.75 ms, -17.0%) multiseries.rdp.5series: 40.70 ms (baseline: 35.42 ms, +14.9%) 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: 43.21 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: 0.027 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: 0.038 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: 19.58 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: 01:14 min [INFO] Finished at: 2026-08-08T19:39:44Z [INFO] ------------------------------------------------------------------------