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=25.3-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: 1.655 s [INFO] Finished at: 2026-08-07T04:56:16Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3-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 -> 25.3-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.095 s [INFO] Finished at: 2026-08-07T04:56:19Z [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: 2026-08-07T03:58:05.553933009Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 04:56:42.682 [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 | 1.75 ms | 2.28 ms | 1.85 ms 1,000 | 2.18 ms | 1.22 ms | 3.71 ms 10,000 | 11.53 ms | 3.81 ms | 10.34 ms 49,871 | 22.24 ms | 3.28 ms | 6.89 ms 97,643 | 33.61 ms | 5.13 ms | 8.42 ms 495,995 | 181.68 ms | 26.60 ms | 39.82 ms 944,282 | 351.61 ms | 91.03 ms | 60.88 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 | 684.9 µs | 1.10 ms | 1.78 ms 10,000 | 1.69 ms | 728.7 µs | 2.42 ms 50,000 | 7.30 ms | 589.8 µs | 7.89 ms 100,000 | 4.01 ms | 571.8 µs | 4.58 ms 500,000 | 17.51 ms | 6.44 ms | 23.95 ms 948,423 | 35.82 ms | 1.31 ms | 37.13 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 | 4.02 ms ( 1.1x) | 539.2 µs ( 0.9x) | 553.5 µs ( 0.7x) 2x | 19,996 | 7.38 ms ( 2.0x) | 1.19 ms ( 2.1x) | 932.2 µs ( 1.2x) 5x | 49,871 | 20.11 ms ( 5.5x) | 3.00 ms ( 5.2x) | 2.79 ms ( 3.7x) 10x | 97,643 | 34.15 ms ( 9.3x) | 4.15 ms ( 7.3x) | 4.09 ms ( 5.4x) 20x | 196,569 | 70.55 ms (19.2x) | 8.24 ms (14.4x) | 9.43 ms (12.4x) 50x | 495,995 | 186.48 ms (50.7x) | 26.72 ms (46.7x) | 23.00 ms (30.2x) 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 | 126.6 µs | 5 | 168.5 µs 10,000 | 5 | 474.9 µs | 5 | 492.5 µs 97,643 | 5 | 4.74 ms | 5 | 4.86 ms 495,995 | 5 | 30.31 ms | 5 | 29.76 ms 944,282 | 5 | 85.87 ms | 5 | 52.79 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 | 5.03 ms | 5.06 ms 2 | 9.33 ms | 11.97 ms 3 | 12.33 ms | 18.84 ms 5 | 22.82 ms | 36.78 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 1.75 ms (baseline: 1.68 ms, +4.0%) ✓ sparkline.movingAvg.100: 2.28 ms (baseline: 2.98 ms, -23.7%) ✓ sparkline.rdp.100: 1.85 ms (baseline: 2.50 ms, -26.0%) ✓ sparkline.none.1000: 2.18 ms (baseline: 5.84 ms, -62.7%) ✓ sparkline.movingAvg.1000: 1.22 ms (baseline: 3.42 ms, -64.2%) sparkline.rdp.1000: 3.71 ms (baseline: 3.78 ms, -1.8%) ✓ sparkline.none.10000: 11.53 ms (baseline: 19.42 ms, -40.6%) ✓ sparkline.movingAvg.10000: 3.81 ms (baseline: 4.94 ms, -22.9%) ✓ sparkline.rdp.10000: 10.34 ms (baseline: 48.20 ms, -78.5%) ✓ sparkline.none.50000: 22.24 ms (baseline: 28.94 ms, -23.1%) ✓ sparkline.movingAvg.50000: 3.28 ms (baseline: 4.74 ms, -30.9%) ✓ sparkline.rdp.50000: 6.89 ms (baseline: 43.47 ms, -84.2%) ✓ sparkline.none.100000: 33.61 ms (baseline: 37.92 ms, -11.4%) sparkline.movingAvg.100000: 5.13 ms (baseline: 4.80 ms, +6.8%) ⚠️ sparkline.rdp.100000: 8.42 ms (baseline: 5.26 ms, +60.1%) ✓ sparkline.none.500000: 181.68 ms (baseline: 271.34 ms, -33.0%) ✓ sparkline.movingAvg.500000: 26.60 ms (baseline: 38.36 ms, -30.6%) ✓ sparkline.rdp.500000: 39.82 ms (baseline: 92.41 ms, -56.9%) ✓ sparkline.none.948423: 351.61 ms (baseline: 526.64 ms, -33.2%) ✓ sparkline.movingAvg.948423: 91.03 ms (baseline: 107.17 ms, -15.1%) ✓ sparkline.rdp.948423: 60.88 ms (baseline: 91.11 ms, -33.2%) ✓ windrose.aggregation.1000: 684.9 µs (baseline: 4.41 ms, -84.5%) ✓ windrose.draw.1000: 1.10 ms (baseline: 6.06 ms, -81.9%) ✓ windrose.aggregation.10000: 1.69 ms (baseline: 8.97 ms, -81.2%) ✓ windrose.draw.10000: 728.7 µs (baseline: 9.24 ms, -92.1%) ✓ windrose.aggregation.50000: 7.30 ms (baseline: 30.42 ms, -76.0%) ✓ windrose.draw.50000: 589.8 µs (baseline: 3.39 ms, -82.6%) ✓ windrose.aggregation.100000: 4.01 ms (baseline: 15.68 ms, -74.4%) ✓ windrose.draw.100000: 571.8 µs (baseline: 1.02 ms, -43.7%) ✓ windrose.aggregation.500000: 17.51 ms (baseline: 47.16 ms, -62.9%) ⚠️ windrose.draw.500000: 6.44 ms (baseline: 986.3 µs, +553.2%) ✓ windrose.aggregation.948423: 35.82 ms (baseline: 68.95 ms, -48.0%) windrose.draw.948423: 1.31 ms (baseline: 1.26 ms, +3.8%) scaling.none.1x: 4.02 ms (baseline: 3.67 ms, +9.3%) scaling.movingAvg.1x: 539.2 µs (baseline: 566.7 µs, -4.8%) scaling.rdp.1x: 553.5 µs (baseline: 589.5 µs, -6.1%) scaling.none.2x: 7.38 ms (baseline: 7.94 ms, -7.0%) ✓ scaling.movingAvg.2x: 1.19 ms (baseline: 1.86 ms, -36.3%) ✓ scaling.rdp.2x: 932.2 µs (baseline: 1.66 ms, -43.7%) scaling.none.5x: 20.11 ms (baseline: 20.01 ms, +0.5%) ✓ scaling.movingAvg.5x: 3.00 ms (baseline: 4.04 ms, -25.6%) scaling.rdp.5x: 2.79 ms (baseline: 3.05 ms, -8.6%) ✓ scaling.none.10x: 34.15 ms (baseline: 48.44 ms, -29.5%) scaling.movingAvg.10x: 4.15 ms (baseline: 4.45 ms, -6.7%) ✓ scaling.rdp.10x: 4.09 ms (baseline: 4.66 ms, -12.2%) ✓ scaling.none.20x: 70.55 ms (baseline: 96.69 ms, -27.0%) scaling.movingAvg.20x: 8.24 ms (baseline: 7.96 ms, +3.5%) ✓ scaling.rdp.20x: 9.43 ms (baseline: 15.37 ms, -38.6%) ✓ scaling.none.50x: 186.48 ms (baseline: 262.38 ms, -28.9%) ✓ scaling.movingAvg.50x: 26.72 ms (baseline: 32.79 ms, -18.5%) ✓ scaling.rdp.50x: 23.00 ms (baseline: 34.23 ms, -32.8%) ✓ multiseries.movingAvg.1series: 5.03 ms (baseline: 5.91 ms, -14.9%) ✓ multiseries.rdp.1series: 5.06 ms (baseline: 8.61 ms, -41.2%) ✓ multiseries.movingAvg.2series: 9.33 ms (baseline: 13.88 ms, -32.8%) ✓ multiseries.rdp.2series: 11.97 ms (baseline: 14.17 ms, -15.5%) ✓ multiseries.movingAvg.3series: 12.33 ms (baseline: 17.15 ms, -28.1%) ✓ multiseries.rdp.3series: 18.84 ms (baseline: 30.02 ms, -37.3%) ✓ multiseries.movingAvg.5series: 22.82 ms (baseline: 42.18 ms, -45.9%) ✓ multiseries.rdp.5series: 36.78 ms (baseline: 66.19 ms, -44.4%) 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: 28.22 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: 0.008 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: 0.013 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: 13.00 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: 46.299 s [INFO] Finished at: 2026-08-07T04:57:12Z [INFO] ------------------------------------------------------------------------