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=25.1-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: 2.735 s [INFO] Finished at: 2026-07-27T16:52:35Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-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 -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.263 s [INFO] Finished at: 2026-07-27T16:52:41Z [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: 2026-07-27T16:00:17.023638497Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 16:53:20.794 [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 | 4.36 ms | 4.43 ms | 2.26 ms 1,000 | 4.53 ms | 3.77 ms | 2.85 ms 10,000 | 19.06 ms | 10.56 ms | 12.67 ms 49,871 | 29.75 ms | 3.32 ms | 19.41 ms 97,643 | 45.29 ms | 12.77 ms | 12.18 ms 495,995 | 309.19 ms | 60.02 ms | 34.98 ms 944,282 | 482.98 ms | 102.76 ms | 86.27 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 | 545.9 µs | 2.53 ms | 3.08 ms 10,000 | 4.90 ms | 2.86 ms | 7.75 ms 50,000 | 15.49 ms | 736.3 µs | 16.23 ms 100,000 | 9.33 ms | 2.00 ms | 11.33 ms 500,000 | 54.39 ms | 609.7 µs | 55.00 ms 948,423 | 105.11 ms | 1.58 ms | 106.69 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 | 4.82 ms ( 0.8x) | 1.25 ms ( 1.4x) | 1.59 ms ( 2.1x) 2x | 19,996 | 17.03 ms ( 2.9x) | 2.98 ms ( 3.4x) | 2.49 ms ( 3.3x) 5x | 49,871 | 32.63 ms ( 5.5x) | 2.82 ms ( 3.2x) | 4.23 ms ( 5.6x) 10x | 97,643 | 47.68 ms ( 8.0x) | 6.19 ms ( 7.0x) | 5.88 ms ( 7.7x) 20x | 196,569 | 92.33 ms (15.5x) | 17.18 ms (19.5x) | 41.84 ms (55.0x) 50x | 495,995 | 244.52 ms (41.2x) | 35.18 ms (39.9x) | 38.45 ms (50.5x) 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 | 155.2 µs | 5 | 245.0 µs 10,000 | 5 | 612.2 µs | 5 | 771.3 µs 97,643 | 5 | 15.18 ms | 5 | 6.64 ms 495,995 | 5 | 29.29 ms | 5 | 38.50 ms 944,282 | 5 | 149.80 ms | 5 | 70.98 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 | 11.06 ms | 6.58 ms 2 | 8.70 ms | 18.77 ms 3 | 19.02 ms | 47.94 ms 5 | 33.66 ms | 45.51 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.36 ms (baseline: 2.96 ms, +47.0%) ✓ sparkline.movingAvg.100: 4.43 ms (baseline: 9.24 ms, -52.1%) ✓ sparkline.rdp.100: 2.26 ms (baseline: 5.35 ms, -57.8%) ✓ sparkline.none.1000: 4.53 ms (baseline: 14.98 ms, -69.8%) ✓ sparkline.movingAvg.1000: 3.77 ms (baseline: 6.66 ms, -43.4%) ✓ sparkline.rdp.1000: 2.85 ms (baseline: 4.42 ms, -35.6%) sparkline.none.10000: 19.06 ms (baseline: 20.61 ms, -7.5%) ⚠️ sparkline.movingAvg.10000: 10.56 ms (baseline: 4.34 ms, +143.4%) ⚠️ sparkline.rdp.10000: 12.67 ms (baseline: 4.37 ms, +190.1%) ✓ sparkline.none.50000: 29.75 ms (baseline: 39.51 ms, -24.7%) sparkline.movingAvg.50000: 3.32 ms (baseline: 3.32 ms, +0.0%) ✓ sparkline.rdp.50000: 19.41 ms (baseline: 61.47 ms, -68.4%) ✓ sparkline.none.100000: 45.29 ms (baseline: 77.44 ms, -41.5%) ⚠️ sparkline.movingAvg.100000: 12.77 ms (baseline: 7.01 ms, +82.3%) ✓ sparkline.rdp.100000: 12.18 ms (baseline: 15.65 ms, -22.2%) ✓ sparkline.none.500000: 309.19 ms (baseline: 454.19 ms, -31.9%) ⚠️ sparkline.movingAvg.500000: 60.02 ms (baseline: 35.91 ms, +67.1%) sparkline.rdp.500000: 34.98 ms (baseline: 31.28 ms, +11.8%) ✓ sparkline.none.948423: 482.98 ms (baseline: 722.51 ms, -33.2%) ✓ sparkline.movingAvg.948423: 102.76 ms (baseline: 138.29 ms, -25.7%) sparkline.rdp.948423: 86.27 ms (baseline: 87.51 ms, -1.4%) windrose.aggregation.1000: 545.9 µs (baseline: 469.8 µs, +16.2%) windrose.draw.1000: 2.53 ms (baseline: 2.22 ms, +13.9%) ⚠️ windrose.aggregation.10000: 4.90 ms (baseline: 3.00 ms, +63.1%) ⚠️ windrose.draw.10000: 2.86 ms (baseline: 1.75 ms, +63.2%) windrose.aggregation.50000: 15.49 ms (baseline: 15.71 ms, -1.4%) ✓ windrose.draw.50000: 736.3 µs (baseline: 1.43 ms, -48.5%) windrose.aggregation.100000: 9.33 ms (baseline: 10.27 ms, -9.1%) ⚠️ windrose.draw.100000: 2.00 ms (baseline: 1.51 ms, +32.7%) ✓ windrose.aggregation.500000: 54.39 ms (baseline: 61.91 ms, -12.1%) ✓ windrose.draw.500000: 609.7 µs (baseline: 3.42 ms, -82.2%) windrose.aggregation.948423: 105.11 ms (baseline: 105.19 ms, -0.1%) ✓ windrose.draw.948423: 1.58 ms (baseline: 4.34 ms, -63.5%) ✓ scaling.none.1x: 4.82 ms (baseline: 10.24 ms, -52.9%) ✓ scaling.movingAvg.1x: 1.25 ms (baseline: 1.60 ms, -21.8%) scaling.rdp.1x: 1.59 ms (baseline: 1.76 ms, -9.7%) scaling.none.2x: 17.03 ms (baseline: 17.84 ms, -4.5%) ⚠️ scaling.movingAvg.2x: 2.98 ms (baseline: 1.28 ms, +133.4%) ⚠️ scaling.rdp.2x: 2.49 ms (baseline: 884.4 µs, +181.5%) ✓ scaling.none.5x: 32.63 ms (baseline: 38.46 ms, -15.2%) scaling.movingAvg.5x: 2.82 ms (baseline: 2.94 ms, -4.1%) ⚠️ scaling.rdp.5x: 4.23 ms (baseline: 2.21 ms, +91.3%) ✓ scaling.none.10x: 47.68 ms (baseline: 84.28 ms, -43.4%) scaling.movingAvg.10x: 6.19 ms (baseline: 5.22 ms, +18.6%) ⚠️ scaling.rdp.10x: 5.88 ms (baseline: 4.29 ms, +37.2%) ✓ scaling.none.20x: 92.33 ms (baseline: 149.63 ms, -38.3%) ⚠️ scaling.movingAvg.20x: 17.18 ms (baseline: 11.49 ms, +49.5%) ⚠️ scaling.rdp.20x: 41.84 ms (baseline: 9.50 ms, +340.6%) ✓ scaling.none.50x: 244.52 ms (baseline: 332.12 ms, -26.4%) ✓ scaling.movingAvg.50x: 35.18 ms (baseline: 51.13 ms, -31.2%) ⚠️ scaling.rdp.50x: 38.45 ms (baseline: 28.18 ms, +36.4%) ⚠️ multiseries.movingAvg.1series: 11.06 ms (baseline: 6.59 ms, +67.9%) multiseries.rdp.1series: 6.58 ms (baseline: 6.08 ms, +8.2%) multiseries.movingAvg.2series: 8.70 ms (baseline: 9.31 ms, -6.6%) ⚠️ multiseries.rdp.2series: 18.77 ms (baseline: 13.08 ms, +43.5%) ✓ multiseries.movingAvg.3series: 19.02 ms (baseline: 27.18 ms, -30.0%) ⚠️ multiseries.rdp.3series: 47.94 ms (baseline: 19.41 ms, +147.0%) multiseries.movingAvg.5series: 33.66 ms (baseline: 33.15 ms, +1.5%) ⚠️ multiseries.rdp.5series: 45.51 ms (baseline: 28.30 ms, +60.8%) 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: 42.63 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: 0.036 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: 0.039 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: 20.59 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: 01:15 min [INFO] Finished at: 2026-07-27T16:54:07Z [INFO] ------------------------------------------------------------------------