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: 1.261 s [INFO] Finished at: 2026-08-08T12:34:47Z [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: 1.123 s [INFO] Finished at: 2026-08-08T12:34:50Z [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: 2026-08-08T10:43:34.817646382Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:35:14.316 [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 | 1.19 ms | 1.97 ms | 2.00 ms 1,000 | 3.07 ms | 2.22 ms | 1.95 ms 10,000 | 10.17 ms | 2.55 ms | 15.63 ms 49,871 | 28.07 ms | 6.97 ms | 15.33 ms 97,643 | 34.84 ms | 5.53 ms | 4.78 ms 495,995 | 206.46 ms | 36.95 ms | 25.03 ms 944,282 | 358.64 ms | 98.80 ms | 65.23 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 | 783.6 µs | 1.81 ms | 2.60 ms 10,000 | 2.09 ms | 742.9 µs | 2.83 ms 50,000 | 11.27 ms | 551.4 µs | 11.82 ms 100,000 | 4.25 ms | 757.6 µs | 5.01 ms 500,000 | 25.68 ms | 674.4 µs | 26.35 ms 948,423 | 42.33 ms | 524.1 µs | 42.85 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 | 3.64 ms ( 0.5x) | 628.3 µs ( 0.9x) | 549.3 µs ( 0.7x) 2x | 19,996 | 8.51 ms ( 1.2x) | 1.27 ms ( 1.8x) | 1.17 ms ( 1.4x) 5x | 49,871 | 18.12 ms ( 2.5x) | 2.32 ms ( 3.2x) | 4.42 ms ( 5.3x) 10x | 97,643 | 36.46 ms ( 5.0x) | 5.50 ms ( 7.6x) | 5.58 ms ( 6.7x) 20x | 196,569 | 66.54 ms ( 9.1x) | 9.99 ms (13.8x) | 9.13 ms (11.0x) 50x | 495,995 | 168.08 ms (23.0x) | 31.87 ms (44.1x) | 25.17 ms (30.3x) 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 | 153.0 µs | 5 | 212.6 µs 10,000 | 5 | 686.8 µs | 5 | 589.7 µs 97,643 | 5 | 4.95 ms | 5 | 3.92 ms 495,995 | 5 | 40.60 ms | 5 | 25.65 ms 944,282 | 5 | 93.12 ms | 5 | 57.43 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 | 4.82 ms | 4.39 ms 2 | 12.16 ms | 11.49 ms 3 | 15.30 ms | 18.77 ms 5 | 23.04 ms | 36.67 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.19 ms (baseline: 5.34 ms, -77.7%) ✓ sparkline.movingAvg.100: 1.97 ms (baseline: 9.58 ms, -79.4%) sparkline.rdp.100: 2.00 ms (baseline: 1.90 ms, +5.6%) ✓ sparkline.none.1000: 3.07 ms (baseline: 8.95 ms, -65.7%) ⚠️ sparkline.movingAvg.1000: 2.22 ms (baseline: 1.47 ms, +50.7%) sparkline.rdp.1000: 1.95 ms (baseline: 1.82 ms, +7.2%) ✓ sparkline.none.10000: 10.17 ms (baseline: 38.51 ms, -73.6%) ✓ sparkline.movingAvg.10000: 2.55 ms (baseline: 6.40 ms, -60.2%) ⚠️ sparkline.rdp.10000: 15.63 ms (baseline: 5.16 ms, +202.9%) ⚠️ sparkline.none.50000: 28.07 ms (baseline: 21.20 ms, +32.4%) ⚠️ sparkline.movingAvg.50000: 6.97 ms (baseline: 3.43 ms, +103.0%) ✓ sparkline.rdp.50000: 15.33 ms (baseline: 74.07 ms, -79.3%) ✓ sparkline.none.100000: 34.84 ms (baseline: 58.99 ms, -40.9%) ✓ sparkline.movingAvg.100000: 5.53 ms (baseline: 8.88 ms, -37.7%) ✓ sparkline.rdp.100000: 4.78 ms (baseline: 16.63 ms, -71.2%) ✓ sparkline.none.500000: 206.46 ms (baseline: 256.14 ms, -19.4%) ⚠️ sparkline.movingAvg.500000: 36.95 ms (baseline: 29.24 ms, +26.4%) ✓ sparkline.rdp.500000: 25.03 ms (baseline: 52.54 ms, -52.4%) ✓ sparkline.none.948423: 358.64 ms (baseline: 445.86 ms, -19.6%) ✓ sparkline.movingAvg.948423: 98.80 ms (baseline: 112.27 ms, -12.0%) ✓ sparkline.rdp.948423: 65.23 ms (baseline: 118.67 ms, -45.0%) ⚠️ windrose.aggregation.1000: 783.6 µs (baseline: 467.5 µs, +67.6%) ⚠️ windrose.draw.1000: 1.81 ms (baseline: 987.6 µs, +83.7%) ⚠️ windrose.aggregation.10000: 2.09 ms (baseline: 1.63 ms, +28.2%) windrose.draw.10000: 742.9 µs (baseline: 691.1 µs, +7.5%) ⚠️ windrose.aggregation.50000: 11.27 ms (baseline: 8.44 ms, +33.5%) ✓ windrose.draw.50000: 551.4 µs (baseline: 635.9 µs, -13.3%) ✓ windrose.aggregation.100000: 4.25 ms (baseline: 6.66 ms, -36.2%) windrose.draw.100000: 757.6 µs (baseline: 668.9 µs, +13.3%) ✓ windrose.aggregation.500000: 25.68 ms (baseline: 43.70 ms, -41.2%) windrose.draw.500000: 674.4 µs (baseline: 579.5 µs, +16.4%) ✓ windrose.aggregation.948423: 42.33 ms (baseline: 79.65 ms, -46.9%) ✓ windrose.draw.948423: 524.1 µs (baseline: 1.12 ms, -53.4%) ✓ scaling.none.1x: 3.64 ms (baseline: 7.82 ms, -53.4%) scaling.movingAvg.1x: 628.3 µs (baseline: 627.5 µs, +0.1%) ✓ scaling.rdp.1x: 549.3 µs (baseline: 627.2 µs, -12.4%) ✓ scaling.none.2x: 8.51 ms (baseline: 13.26 ms, -35.8%) scaling.movingAvg.2x: 1.27 ms (baseline: 1.19 ms, +6.5%) scaling.rdp.2x: 1.17 ms (baseline: 1.02 ms, +15.2%) ✓ scaling.none.5x: 18.12 ms (baseline: 22.93 ms, -21.0%) ✓ scaling.movingAvg.5x: 2.32 ms (baseline: 3.79 ms, -38.7%) ⚠️ scaling.rdp.5x: 4.42 ms (baseline: 2.33 ms, +89.7%) ✓ scaling.none.10x: 36.46 ms (baseline: 66.76 ms, -45.4%) ✓ scaling.movingAvg.10x: 5.50 ms (baseline: 6.72 ms, -18.1%) ✓ scaling.rdp.10x: 5.58 ms (baseline: 9.80 ms, -43.0%) ✓ scaling.none.20x: 66.54 ms (baseline: 114.12 ms, -41.7%) scaling.movingAvg.20x: 9.99 ms (baseline: 8.83 ms, +13.2%) ✓ scaling.rdp.20x: 9.13 ms (baseline: 19.23 ms, -52.6%) ✓ scaling.none.50x: 168.08 ms (baseline: 253.14 ms, -33.6%) ✓ scaling.movingAvg.50x: 31.87 ms (baseline: 50.32 ms, -36.7%) scaling.rdp.50x: 25.17 ms (baseline: 25.99 ms, -3.2%) multiseries.movingAvg.1series: 4.82 ms (baseline: 4.50 ms, +7.3%) multiseries.rdp.1series: 4.39 ms (baseline: 4.86 ms, -9.8%) ✓ multiseries.movingAvg.2series: 12.16 ms (baseline: 23.01 ms, -47.2%) ✓ multiseries.rdp.2series: 11.49 ms (baseline: 33.57 ms, -65.8%) ✓ multiseries.movingAvg.3series: 15.30 ms (baseline: 22.03 ms, -30.6%) ✓ multiseries.rdp.3series: 18.77 ms (baseline: 26.90 ms, -30.2%) ✓ multiseries.movingAvg.5series: 23.04 ms (baseline: 47.06 ms, -51.0%) ✓ multiseries.rdp.5series: 36.67 ms (baseline: 45.07 ms, -18.6%) 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: 29.48 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: 0.010 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: 14.01 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: 48.771 s [INFO] Finished at: 2026-08-08T12:35:45Z [INFO] ------------------------------------------------------------------------