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: 1.874 s [INFO] Finished at: 2026-08-09T09:38:18Z [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: 1.612 s [INFO] Finished at: 2026-08-09T09:38:22Z [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 6.8.0-137-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-09T08:02:38.433721045Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 09:38:49.030 [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 | 1.42 ms | 1.69 ms | 1.01 ms 1,000 | 3.93 ms | 1.22 ms | 1.29 ms 10,000 | 8.39 ms | 2.85 ms | 3.76 ms 49,871 | 21.80 ms | 2.71 ms | 51.53 ms 97,643 | 36.51 ms | 4.75 ms | 9.57 ms 495,995 | 210.95 ms | 28.80 ms | 28.99 ms 944,282 | 359.60 ms | 93.60 ms | 61.81 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 | 429.4 µs | 1.11 ms | 1.54 ms 10,000 | 1.70 ms | 676.0 µs | 2.38 ms 50,000 | 8.59 ms | 775.9 µs | 9.37 ms 100,000 | 4.80 ms | 2.17 ms | 6.97 ms 500,000 | 24.15 ms | 598.6 µs | 24.75 ms 948,423 | 41.14 ms | 544.8 µs | 41.68 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 | 3.59 ms ( 0.5x) | 619.9 µs ( 0.8x) | 577.6 µs ( 0.8x) 2x | 19,996 | 6.78 ms ( 1.0x) | 1.14 ms ( 1.5x) | 939.2 µs ( 1.3x) 5x | 49,871 | 16.38 ms ( 2.4x) | 2.62 ms ( 3.3x) | 2.13 ms ( 2.9x) 10x | 97,643 | 31.41 ms ( 4.6x) | 5.48 ms ( 7.0x) | 4.37 ms ( 6.1x) 20x | 196,569 | 75.14 ms (11.1x) | 9.80 ms (12.5x) | 9.54 ms (13.2x) 50x | 495,995 | 194.68 ms (28.7x) | 40.11 ms (51.2x) | 25.20 ms (34.9x) 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 | 127.9 µs | 5 | 176.6 µs 10,000 | 5 | 578.6 µs | 5 | 521.4 µs 97,643 | 5 | 5.61 ms | 5 | 19.04 ms 495,995 | 5 | 46.92 ms | 5 | 25.57 ms 944,282 | 5 | 92.49 ms | 5 | 54.66 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 | 8.25 ms | 5.17 ms 2 | 8.76 ms | 13.84 ms 3 | 12.51 ms | 18.09 ms 5 | 23.26 ms | 33.66 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.42 ms (baseline: 3.04 ms, -53.5%) ✓ sparkline.movingAvg.100: 1.69 ms (baseline: 6.27 ms, -73.1%) ✓ sparkline.rdp.100: 1.01 ms (baseline: 1.97 ms, -48.7%) ✓ sparkline.none.1000: 3.93 ms (baseline: 4.85 ms, -18.9%) ✓ sparkline.movingAvg.1000: 1.22 ms (baseline: 2.56 ms, -52.5%) ✓ sparkline.rdp.1000: 1.29 ms (baseline: 3.30 ms, -61.1%) ✓ sparkline.none.10000: 8.39 ms (baseline: 21.20 ms, -60.4%) ✓ sparkline.movingAvg.10000: 2.85 ms (baseline: 3.88 ms, -26.5%) ✓ sparkline.rdp.10000: 3.76 ms (baseline: 7.77 ms, -51.5%) ✓ sparkline.none.50000: 21.80 ms (baseline: 25.80 ms, -15.5%) ✓ sparkline.movingAvg.50000: 2.71 ms (baseline: 3.79 ms, -28.5%) ⚠️ sparkline.rdp.50000: 51.53 ms (baseline: 9.99 ms, +416.0%) ✓ sparkline.none.100000: 36.51 ms (baseline: 48.51 ms, -24.7%) ✓ sparkline.movingAvg.100000: 4.75 ms (baseline: 9.37 ms, -49.3%) sparkline.rdp.100000: 9.57 ms (baseline: 9.45 ms, +1.2%) ✓ sparkline.none.500000: 210.95 ms (baseline: 308.50 ms, -31.6%) ✓ sparkline.movingAvg.500000: 28.80 ms (baseline: 56.11 ms, -48.7%) ✓ sparkline.rdp.500000: 28.99 ms (baseline: 89.73 ms, -67.7%) ✓ sparkline.none.948423: 359.60 ms (baseline: 489.58 ms, -26.6%) ✓ sparkline.movingAvg.948423: 93.60 ms (baseline: 137.26 ms, -31.8%) ✓ sparkline.rdp.948423: 61.81 ms (baseline: 169.00 ms, -63.4%) ✓ windrose.aggregation.1000: 429.4 µs (baseline: 3.46 ms, -87.6%) ✓ windrose.draw.1000: 1.11 ms (baseline: 2.76 ms, -59.9%) ✓ windrose.aggregation.10000: 1.70 ms (baseline: 4.65 ms, -63.5%) ✓ windrose.draw.10000: 676.0 µs (baseline: 751.2 µs, -10.0%) ✓ windrose.aggregation.50000: 8.59 ms (baseline: 16.76 ms, -48.8%) ✓ windrose.draw.50000: 775.9 µs (baseline: 2.14 ms, -63.7%) ✓ windrose.aggregation.100000: 4.80 ms (baseline: 16.46 ms, -70.9%) ⚠️ windrose.draw.100000: 2.17 ms (baseline: 1.65 ms, +31.3%) ✓ windrose.aggregation.500000: 24.15 ms (baseline: 41.03 ms, -41.1%) windrose.draw.500000: 598.6 µs (baseline: 660.4 µs, -9.4%) ✓ windrose.aggregation.948423: 41.14 ms (baseline: 60.85 ms, -32.4%) ✓ windrose.draw.948423: 544.8 µs (baseline: 843.0 µs, -35.4%) ✓ scaling.none.1x: 3.59 ms (baseline: 12.71 ms, -71.8%) scaling.movingAvg.1x: 619.9 µs (baseline: 651.1 µs, -4.8%) ✓ scaling.rdp.1x: 577.6 µs (baseline: 673.2 µs, -14.2%) ✓ scaling.none.2x: 6.78 ms (baseline: 7.95 ms, -14.7%) ✓ scaling.movingAvg.2x: 1.14 ms (baseline: 2.43 ms, -53.3%) ✓ scaling.rdp.2x: 939.2 µs (baseline: 8.55 ms, -89.0%) ✓ scaling.none.5x: 16.38 ms (baseline: 30.41 ms, -46.1%) ✓ scaling.movingAvg.5x: 2.62 ms (baseline: 5.55 ms, -52.8%) ✓ scaling.rdp.5x: 2.13 ms (baseline: 8.93 ms, -76.2%) ✓ scaling.none.10x: 31.41 ms (baseline: 52.85 ms, -40.6%) scaling.movingAvg.10x: 5.48 ms (baseline: 5.64 ms, -2.8%) ✓ scaling.rdp.10x: 4.37 ms (baseline: 5.00 ms, -12.5%) ✓ scaling.none.20x: 75.14 ms (baseline: 94.50 ms, -20.5%) ✓ scaling.movingAvg.20x: 9.80 ms (baseline: 17.64 ms, -44.4%) ✓ scaling.rdp.20x: 9.54 ms (baseline: 44.92 ms, -78.8%) ✓ scaling.none.50x: 194.68 ms (baseline: 297.71 ms, -34.6%) scaling.movingAvg.50x: 40.11 ms (baseline: 42.59 ms, -5.8%) ✓ scaling.rdp.50x: 25.20 ms (baseline: 39.18 ms, -35.7%) multiseries.movingAvg.1series: 8.25 ms (baseline: 7.88 ms, +4.7%) multiseries.rdp.1series: 5.17 ms (baseline: 5.57 ms, -7.1%) ✓ multiseries.movingAvg.2series: 8.76 ms (baseline: 12.01 ms, -27.1%) ✓ multiseries.rdp.2series: 13.84 ms (baseline: 30.27 ms, -54.3%) ✓ multiseries.movingAvg.3series: 12.51 ms (baseline: 17.40 ms, -28.1%) ✓ multiseries.rdp.3series: 18.09 ms (baseline: 21.59 ms, -16.2%) ✓ multiseries.movingAvg.5series: 23.26 ms (baseline: 37.62 ms, -38.2%) ✓ multiseries.rdp.5series: 33.66 ms (baseline: 44.75 ms, -24.8%) 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: 29.44 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: 0.013 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: 0.012 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: 14.21 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: 50.486 s [INFO] Finished at: 2026-08-09T09:39:20Z [INFO] ------------------------------------------------------------------------