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=25.2.3 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.656 s [INFO] Finished at: 2026-07-21T06:52:27Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.3 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.2.3 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.233 s [INFO] Finished at: 2026-07-21T06:52:33Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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: 2026-07-21T05:15:11.145889489Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:53:10.279 [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 | 3.31 ms | 4.95 ms | 3.03 ms 1,000 | 8.92 ms | 2.67 ms | 6.40 ms 10,000 | 24.12 ms | 7.51 ms | 6.79 ms 49,871 | 60.12 ms | 10.29 ms | 70.14 ms 97,643 | 105.75 ms | 35.99 ms | 6.58 ms 495,995 | 377.72 ms | 47.94 ms | 39.17 ms 944,282 | 670.70 ms | 127.18 ms | 125.98 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 | 562.8 µs | 1.21 ms | 1.77 ms 10,000 | 2.08 ms | 1.53 ms | 3.60 ms 50,000 | 11.04 ms | 2.21 ms | 13.26 ms 100,000 | 18.47 ms | 1.37 ms | 19.84 ms 500,000 | 22.89 ms | 715.0 µs | 23.61 ms 948,423 | 84.56 ms | 1.15 ms | 85.71 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 | 8.41 ms ( 1.0x) | 1.43 ms ( 1.1x) | 3.65 ms ( 1.8x) 2x | 19,996 | 12.12 ms ( 1.4x) | 1.24 ms ( 0.9x) | 887.9 µs ( 0.4x) 5x | 49,871 | 46.91 ms ( 5.5x) | 7.45 ms ( 5.7x) | 3.41 ms ( 1.7x) 10x | 97,643 | 69.36 ms ( 8.1x) | 4.88 ms ( 3.7x) | 3.78 ms ( 1.9x) 20x | 196,569 | 132.18 ms (15.4x) | 17.50 ms (13.4x) | 19.41 ms ( 9.5x) 50x | 495,995 | 287.33 ms (33.6x) | 36.92 ms (28.2x) | 28.09 ms (13.8x) 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 | 156.3 µs | 5 | 852.2 µs 10,000 | 5 | 647.3 µs | 5 | 473.2 µs 97,643 | 5 | 6.27 ms | 5 | 5.05 ms 495,995 | 5 | 40.24 ms | 5 | 82.22 ms 944,282 | 5 | 125.19 ms | 5 | 78.04 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 | 13.06 ms | 24.26 ms 2 | 14.77 ms | 17.31 ms 3 | 32.64 ms | 21.27 ms 5 | 33.66 ms | 29.04 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.31 ms (baseline: 4.79 ms, -31.0%) ✓ sparkline.movingAvg.100: 4.95 ms (baseline: 5.70 ms, -13.1%) ⚠️ sparkline.rdp.100: 3.03 ms (baseline: 2.15 ms, +41.1%) ⚠️ sparkline.none.1000: 8.92 ms (baseline: 6.45 ms, +38.3%) ⚠️ sparkline.movingAvg.1000: 2.67 ms (baseline: 1.39 ms, +92.6%) ⚠️ sparkline.rdp.1000: 6.40 ms (baseline: 1.70 ms, +275.7%) sparkline.none.10000: 24.12 ms (baseline: 26.56 ms, -9.2%) sparkline.movingAvg.10000: 7.51 ms (baseline: 7.37 ms, +2.0%) ✓ sparkline.rdp.10000: 6.79 ms (baseline: 11.36 ms, -40.2%) sparkline.none.50000: 60.12 ms (baseline: 51.32 ms, +17.2%) ⚠️ sparkline.movingAvg.50000: 10.29 ms (baseline: 4.50 ms, +128.5%) sparkline.rdp.50000: 70.14 ms (baseline: 58.59 ms, +19.7%) sparkline.none.100000: 105.75 ms (baseline: 107.51 ms, -1.6%) ⚠️ sparkline.movingAvg.100000: 35.99 ms (baseline: 4.60 ms, +683.3%) ✓ sparkline.rdp.100000: 6.58 ms (baseline: 7.55 ms, -12.9%) sparkline.none.500000: 377.72 ms (baseline: 383.49 ms, -1.5%) sparkline.movingAvg.500000: 47.94 ms (baseline: 43.04 ms, +11.4%) sparkline.rdp.500000: 39.17 ms (baseline: 35.37 ms, +10.8%) sparkline.none.948423: 670.70 ms (baseline: 738.75 ms, -9.2%) sparkline.movingAvg.948423: 127.18 ms (baseline: 132.43 ms, -4.0%) ✓ sparkline.rdp.948423: 125.98 ms (baseline: 142.87 ms, -11.8%) windrose.aggregation.1000: 562.8 µs (baseline: 473.1 µs, +19.0%) ✓ windrose.draw.1000: 1.21 ms (baseline: 2.11 ms, -42.9%) ✓ windrose.aggregation.10000: 2.08 ms (baseline: 2.99 ms, -30.7%) ✓ windrose.draw.10000: 1.53 ms (baseline: 2.27 ms, -32.7%) ✓ windrose.aggregation.50000: 11.04 ms (baseline: 12.87 ms, -14.2%) ⚠️ windrose.draw.50000: 2.21 ms (baseline: 940.0 µs, +135.5%) ⚠️ windrose.aggregation.100000: 18.47 ms (baseline: 4.23 ms, +337.2%) ⚠️ windrose.draw.100000: 1.37 ms (baseline: 844.9 µs, +61.9%) ✓ windrose.aggregation.500000: 22.89 ms (baseline: 56.86 ms, -59.7%) ✓ windrose.draw.500000: 715.0 µs (baseline: 985.0 µs, -27.4%) windrose.aggregation.948423: 84.56 ms (baseline: 80.38 ms, +5.2%) ✓ windrose.draw.948423: 1.15 ms (baseline: 1.30 ms, -12.0%) ✓ scaling.none.1x: 8.41 ms (baseline: 18.28 ms, -54.0%) ⚠️ scaling.movingAvg.1x: 1.43 ms (baseline: 1.16 ms, +24.1%) ⚠️ scaling.rdp.1x: 3.65 ms (baseline: 1.22 ms, +199.4%) ✓ scaling.none.2x: 12.12 ms (baseline: 28.21 ms, -57.0%) ✓ scaling.movingAvg.2x: 1.24 ms (baseline: 3.10 ms, -60.0%) ✓ scaling.rdp.2x: 887.9 µs (baseline: 2.04 ms, -56.5%) ⚠️ scaling.none.5x: 46.91 ms (baseline: 36.56 ms, +28.3%) ⚠️ scaling.movingAvg.5x: 7.45 ms (baseline: 2.68 ms, +178.3%) scaling.rdp.5x: 3.41 ms (baseline: 3.69 ms, -7.7%) ⚠️ scaling.none.10x: 69.36 ms (baseline: 47.15 ms, +47.1%) ✓ scaling.movingAvg.10x: 4.88 ms (baseline: 7.60 ms, -35.9%) ✓ scaling.rdp.10x: 3.78 ms (baseline: 11.42 ms, -66.9%) ⚠️ scaling.none.20x: 132.18 ms (baseline: 90.56 ms, +46.0%) ⚠️ scaling.movingAvg.20x: 17.50 ms (baseline: 11.84 ms, +47.8%) ⚠️ scaling.rdp.20x: 19.41 ms (baseline: 9.38 ms, +107.0%) ✓ scaling.none.50x: 287.33 ms (baseline: 351.38 ms, -18.2%) ✓ scaling.movingAvg.50x: 36.92 ms (baseline: 77.17 ms, -52.2%) ✓ scaling.rdp.50x: 28.09 ms (baseline: 81.79 ms, -65.7%) ⚠️ multiseries.movingAvg.1series: 13.06 ms (baseline: 10.70 ms, +22.0%) ⚠️ multiseries.rdp.1series: 24.26 ms (baseline: 3.71 ms, +554.6%) multiseries.movingAvg.2series: 14.77 ms (baseline: 15.72 ms, -6.1%) ✓ multiseries.rdp.2series: 17.31 ms (baseline: 37.94 ms, -54.4%) ⚠️ multiseries.movingAvg.3series: 32.64 ms (baseline: 25.05 ms, +30.3%) multiseries.rdp.3series: 21.27 ms (baseline: 22.56 ms, -5.7%) ⚠️ multiseries.movingAvg.5series: 33.66 ms (baseline: 24.95 ms, +34.9%) multiseries.rdp.5series: 29.04 ms (baseline: 28.92 ms, +0.4%) 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: 46.67 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: 0.007 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: 21.71 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: 2026-07-21T06:54:02Z [INFO] ------------------------------------------------------------------------