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=25.1.8 -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: 2.781 s [INFO] Finished at: 2026-06-23T07:12:38Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.8 -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 -> 25.1.8 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.302 s [INFO] Finished at: 2026-06-23T07:12:43Z [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 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-23T05:34:11.296370871Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:13:17.411 [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 | 3.39 ms | 8.21 ms | 1.53 ms 1,000 | 4.59 ms | 4.89 ms | 6.49 ms 10,000 | 21.50 ms | 5.33 ms | 6.20 ms 49,871 | 28.27 ms | 2.79 ms | 51.13 ms 97,643 | 87.17 ms | 10.54 ms | 9.14 ms 495,995 | 330.50 ms | 37.57 ms | 23.83 ms 944,282 | 597.60 ms | 159.89 ms | 51.16 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 | 425.2 µs | 2.91 ms | 3.33 ms 10,000 | 5.98 ms | 2.70 ms | 8.68 ms 50,000 | 20.39 ms | 2.42 ms | 22.81 ms 100,000 | 13.27 ms | 2.48 ms | 15.75 ms 500,000 | 53.60 ms | 1.37 ms | 54.97 ms 948,423 | 108.51 ms | 2.98 ms | 111.49 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 | 4.30 ms ( 0.6x) | 816.8 µs ( 0.3x) | 546.2 µs ( 0.6x) 2x | 19,996 | 13.93 ms ( 2.1x) | 2.45 ms ( 0.9x) | 3.87 ms ( 4.3x) 5x | 49,871 | 29.16 ms ( 4.3x) | 2.96 ms ( 1.1x) | 1.81 ms ( 2.0x) 10x | 97,643 | 78.88 ms (11.6x) | 14.16 ms ( 5.2x) | 8.17 ms ( 9.1x) 20x | 196,569 | 90.35 ms (13.3x) | 9.11 ms ( 3.3x) | 31.60 ms (35.1x) 50x | 495,995 | 286.60 ms (42.3x) | 45.72 ms (16.8x) | 40.38 ms (44.9x) 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 | 1.94 ms | 5 | 260.3 µs 10,000 | 5 | 1.86 ms | 5 | 2.35 ms 97,643 | 5 | 4.77 ms | 5 | 6.56 ms 495,995 | 5 | 27.06 ms | 5 | 54.40 ms 944,282 | 5 | 118.37 ms | 5 | 80.94 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 | 6.46 ms | 4.47 ms 2 | 21.65 ms | 13.01 ms 3 | 16.50 ms | 14.88 ms 5 | 31.71 ms | 30.01 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.39 ms (baseline: 1.98 ms, +71.7%) ⚠️ sparkline.movingAvg.100: 8.21 ms (baseline: 2.47 ms, +233.2%) ⚠️ sparkline.rdp.100: 1.53 ms (baseline: 1.10 ms, +40.0%) ⚠️ sparkline.none.1000: 4.59 ms (baseline: 2.88 ms, +59.3%) ⚠️ sparkline.movingAvg.1000: 4.89 ms (baseline: 1.75 ms, +180.2%) ⚠️ sparkline.rdp.1000: 6.49 ms (baseline: 1.51 ms, +330.2%) ⚠️ sparkline.none.10000: 21.50 ms (baseline: 17.26 ms, +24.5%) ⚠️ sparkline.movingAvg.10000: 5.33 ms (baseline: 4.00 ms, +33.4%) ✓ sparkline.rdp.10000: 6.20 ms (baseline: 13.60 ms, -54.4%) ✓ sparkline.none.50000: 28.27 ms (baseline: 36.28 ms, -22.1%) ✓ sparkline.movingAvg.50000: 2.79 ms (baseline: 6.34 ms, -55.9%) ✓ sparkline.rdp.50000: 51.13 ms (baseline: 57.82 ms, -11.6%) ⚠️ sparkline.none.100000: 87.17 ms (baseline: 68.64 ms, +27.0%) ✓ sparkline.movingAvg.100000: 10.54 ms (baseline: 20.47 ms, -48.5%) ✓ sparkline.rdp.100000: 9.14 ms (baseline: 53.62 ms, -83.0%) ✓ sparkline.none.500000: 330.50 ms (baseline: 379.82 ms, -13.0%) ✓ sparkline.movingAvg.500000: 37.57 ms (baseline: 56.67 ms, -33.7%) ✓ sparkline.rdp.500000: 23.83 ms (baseline: 30.55 ms, -22.0%) sparkline.none.948423: 597.60 ms (baseline: 651.97 ms, -8.3%) ⚠️ sparkline.movingAvg.948423: 159.89 ms (baseline: 125.83 ms, +27.1%) ✓ sparkline.rdp.948423: 51.16 ms (baseline: 95.05 ms, -46.2%) windrose.aggregation.1000: 425.2 µs (baseline: 460.3 µs, -7.6%) ✓ windrose.draw.1000: 2.91 ms (baseline: 4.16 ms, -30.2%) ⚠️ windrose.aggregation.10000: 5.98 ms (baseline: 4.41 ms, +35.5%) ✓ windrose.draw.10000: 2.70 ms (baseline: 3.88 ms, -30.3%) windrose.aggregation.50000: 20.39 ms (baseline: 19.13 ms, +6.6%) ⚠️ windrose.draw.50000: 2.42 ms (baseline: 1.45 ms, +67.1%) ⚠️ windrose.aggregation.100000: 13.27 ms (baseline: 7.45 ms, +78.1%) ✓ windrose.draw.100000: 2.48 ms (baseline: 2.81 ms, -11.7%) ⚠️ windrose.aggregation.500000: 53.60 ms (baseline: 39.88 ms, +34.4%) ⚠️ windrose.draw.500000: 1.37 ms (baseline: 1.08 ms, +27.3%) ⚠️ windrose.aggregation.948423: 108.51 ms (baseline: 78.38 ms, +38.4%) windrose.draw.948423: 2.98 ms (baseline: 2.59 ms, +15.0%) ✓ scaling.none.1x: 4.30 ms (baseline: 11.09 ms, -61.2%) ✓ scaling.movingAvg.1x: 816.8 µs (baseline: 1.89 ms, -56.7%) ✓ scaling.rdp.1x: 546.2 µs (baseline: 776.5 µs, -29.7%) ⚠️ scaling.none.2x: 13.93 ms (baseline: 10.21 ms, +36.4%) ✓ scaling.movingAvg.2x: 2.45 ms (baseline: 6.26 ms, -60.9%) ⚠️ scaling.rdp.2x: 3.87 ms (baseline: 2.08 ms, +86.3%) scaling.none.5x: 29.16 ms (baseline: 32.21 ms, -9.5%) ✓ scaling.movingAvg.5x: 2.96 ms (baseline: 7.66 ms, -61.3%) ✓ scaling.rdp.5x: 1.81 ms (baseline: 5.90 ms, -69.3%) scaling.none.10x: 78.88 ms (baseline: 67.28 ms, +17.2%) ⚠️ scaling.movingAvg.10x: 14.16 ms (baseline: 6.61 ms, +114.2%) ⚠️ scaling.rdp.10x: 8.17 ms (baseline: 3.30 ms, +147.7%) ✓ scaling.none.20x: 90.35 ms (baseline: 136.44 ms, -33.8%) ✓ scaling.movingAvg.20x: 9.11 ms (baseline: 11.16 ms, -18.3%) ⚠️ scaling.rdp.20x: 31.60 ms (baseline: 11.49 ms, +175.1%) scaling.none.50x: 286.60 ms (baseline: 293.90 ms, -2.5%) ✓ scaling.movingAvg.50x: 45.72 ms (baseline: 99.60 ms, -54.1%) ⚠️ scaling.rdp.50x: 40.38 ms (baseline: 20.10 ms, +100.9%) ✓ multiseries.movingAvg.1series: 6.46 ms (baseline: 7.54 ms, -14.4%) ✓ multiseries.rdp.1series: 4.47 ms (baseline: 9.10 ms, -50.9%) multiseries.movingAvg.2series: 21.65 ms (baseline: 19.90 ms, +8.8%) multiseries.rdp.2series: 13.01 ms (baseline: 12.81 ms, +1.6%) multiseries.movingAvg.3series: 16.50 ms (baseline: 15.34 ms, +7.5%) ✓ multiseries.rdp.3series: 14.88 ms (baseline: 20.74 ms, -28.3%) ✓ multiseries.movingAvg.5series: 31.71 ms (baseline: 38.15 ms, -16.9%) ✓ multiseries.rdp.5series: 30.01 ms (baseline: 52.56 ms, -42.9%) 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: 40.74 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: 0.019 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: 19.13 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: 01:10 min [INFO] Finished at: 2026-06-23T07:14:02Z [INFO] ------------------------------------------------------------------------