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 [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: 2.566 s [INFO] Finished at: 2026-07-23T22:30:24Z [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 [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: 2.381 s [INFO] Finished at: 2026-07-23T22:30:29Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -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: 2026-07-23T21:30:28.538330343Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:31:07.184 [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 | 3.17 ms | 3.01 ms | 3.08 ms 1,000 | 6.47 ms | 2.70 ms | 6.85 ms 10,000 | 26.29 ms | 5.28 ms | 6.10 ms 49,871 | 31.89 ms | 10.45 ms | 45.40 ms 97,643 | 101.64 ms | 10.88 ms | 94.06 ms 495,995 | 371.84 ms | 66.10 ms | 95.02 ms 944,282 | 642.10 ms | 136.71 ms | 80.58 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 | 449.2 µs | 3.58 ms | 4.03 ms 10,000 | 4.44 ms | 2.03 ms | 6.47 ms 50,000 | 17.10 ms | 2.21 ms | 19.31 ms 100,000 | 9.34 ms | 1.57 ms | 10.91 ms 500,000 | 43.30 ms | 1.24 ms | 44.53 ms 948,423 | 53.61 ms | 1.81 ms | 55.42 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 | 6.24 ms ( 0.5x) | 987.8 µs ( 0.8x) | 1.92 ms ( 3.5x) 2x | 19,996 | 26.40 ms ( 1.9x) | 2.26 ms ( 1.8x) | 2.65 ms ( 4.8x) 5x | 49,871 | 49.46 ms ( 3.6x) | 5.17 ms ( 4.2x) | 4.86 ms ( 8.9x) 10x | 97,643 | 69.74 ms ( 5.1x) | 4.97 ms ( 4.0x) | 7.84 ms (14.4x) 20x | 196,569 | 114.35 ms ( 8.3x) | 20.89 ms (16.9x) | 15.70 ms (28.7x) 50x | 495,995 | 285.33 ms (20.8x) | 63.72 ms (51.6x) | 26.91 ms (49.3x) 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 | 158.8 µs | 5 | 813.4 µs 10,000 | 5 | 1.20 ms | 5 | 458.5 µs 97,643 | 5 | 5.65 ms | 5 | 6.00 ms 495,995 | 5 | 38.13 ms | 5 | 61.79 ms 944,282 | 5 | 114.65 ms | 5 | 88.20 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 | 10.61 ms | 7.51 ms 2 | 12.90 ms | 13.22 ms 3 | 22.79 ms | 19.95 ms 5 | 22.84 ms | 41.76 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.17 ms (baseline: 2.75 ms, +15.0%) ✓ sparkline.movingAvg.100: 3.01 ms (baseline: 6.83 ms, -56.0%) ✓ sparkline.rdp.100: 3.08 ms (baseline: 6.53 ms, -52.9%) ✓ sparkline.none.1000: 6.47 ms (baseline: 8.70 ms, -25.6%) ✓ sparkline.movingAvg.1000: 2.70 ms (baseline: 15.55 ms, -82.6%) ⚠️ sparkline.rdp.1000: 6.85 ms (baseline: 5.56 ms, +23.3%) sparkline.none.10000: 26.29 ms (baseline: 26.55 ms, -1.0%) ⚠️ sparkline.movingAvg.10000: 5.28 ms (baseline: 3.26 ms, +62.2%) ✓ sparkline.rdp.10000: 6.10 ms (baseline: 7.68 ms, -20.6%) ✓ sparkline.none.50000: 31.89 ms (baseline: 53.59 ms, -40.5%) ⚠️ sparkline.movingAvg.50000: 10.45 ms (baseline: 6.01 ms, +73.8%) sparkline.rdp.50000: 45.40 ms (baseline: 44.15 ms, +2.8%) ✓ sparkline.none.100000: 101.64 ms (baseline: 123.22 ms, -17.5%) ⚠️ sparkline.movingAvg.100000: 10.88 ms (baseline: 6.49 ms, +67.5%) ⚠️ sparkline.rdp.100000: 94.06 ms (baseline: 8.02 ms, +1073.1%) ✓ sparkline.none.500000: 371.84 ms (baseline: 477.57 ms, -22.1%) ✓ sparkline.movingAvg.500000: 66.10 ms (baseline: 97.85 ms, -32.4%) ⚠️ sparkline.rdp.500000: 95.02 ms (baseline: 32.06 ms, +196.4%) sparkline.none.948423: 642.10 ms (baseline: 688.03 ms, -6.7%) sparkline.movingAvg.948423: 136.71 ms (baseline: 146.93 ms, -7.0%) ✓ sparkline.rdp.948423: 80.58 ms (baseline: 152.88 ms, -47.3%) ✓ windrose.aggregation.1000: 449.2 µs (baseline: 1.02 ms, -55.8%) ⚠️ windrose.draw.1000: 3.58 ms (baseline: 1.50 ms, +138.4%) ⚠️ windrose.aggregation.10000: 4.44 ms (baseline: 1.69 ms, +162.8%) ✓ windrose.draw.10000: 2.03 ms (baseline: 5.15 ms, -60.5%) ⚠️ windrose.aggregation.50000: 17.10 ms (baseline: 13.75 ms, +24.3%) windrose.draw.50000: 2.21 ms (baseline: 1.89 ms, +16.8%) ⚠️ windrose.aggregation.100000: 9.34 ms (baseline: 5.82 ms, +60.5%) ✓ windrose.draw.100000: 1.57 ms (baseline: 4.98 ms, -68.5%) windrose.aggregation.500000: 43.30 ms (baseline: 45.31 ms, -4.5%) ⚠️ windrose.draw.500000: 1.24 ms (baseline: 681.0 µs, +81.8%) ✓ windrose.aggregation.948423: 53.61 ms (baseline: 117.97 ms, -54.6%) windrose.draw.948423: 1.81 ms (baseline: 1.75 ms, +2.9%) ✓ scaling.none.1x: 6.24 ms (baseline: 11.80 ms, -47.1%) ✓ scaling.movingAvg.1x: 987.8 µs (baseline: 3.14 ms, -68.6%) ⚠️ scaling.rdp.1x: 1.92 ms (baseline: 549.6 µs, +248.8%) ⚠️ scaling.none.2x: 26.40 ms (baseline: 21.08 ms, +25.3%) ✓ scaling.movingAvg.2x: 2.26 ms (baseline: 5.79 ms, -61.0%) ✓ scaling.rdp.2x: 2.65 ms (baseline: 3.89 ms, -31.9%) scaling.none.5x: 49.46 ms (baseline: 46.81 ms, +5.7%) ✓ scaling.movingAvg.5x: 5.17 ms (baseline: 8.85 ms, -41.5%) ✓ scaling.rdp.5x: 4.86 ms (baseline: 6.33 ms, -23.3%) ⚠️ scaling.none.10x: 69.74 ms (baseline: 56.22 ms, +24.0%) ✓ scaling.movingAvg.10x: 4.97 ms (baseline: 9.94 ms, -50.1%) ⚠️ scaling.rdp.10x: 7.84 ms (baseline: 5.38 ms, +45.7%) ✓ scaling.none.20x: 114.35 ms (baseline: 136.06 ms, -16.0%) ⚠️ scaling.movingAvg.20x: 20.89 ms (baseline: 12.68 ms, +64.8%) scaling.rdp.20x: 15.70 ms (baseline: 13.17 ms, +19.2%) ✓ scaling.none.50x: 285.33 ms (baseline: 328.95 ms, -13.3%) scaling.movingAvg.50x: 63.72 ms (baseline: 66.45 ms, -4.1%) ✓ scaling.rdp.50x: 26.91 ms (baseline: 30.02 ms, -10.4%) ✓ multiseries.movingAvg.1series: 10.61 ms (baseline: 18.26 ms, -41.9%) ✓ multiseries.rdp.1series: 7.51 ms (baseline: 8.74 ms, -14.1%) ✓ multiseries.movingAvg.2series: 12.90 ms (baseline: 15.12 ms, -14.7%) ✓ multiseries.rdp.2series: 13.22 ms (baseline: 19.82 ms, -33.3%) ✓ multiseries.movingAvg.3series: 22.79 ms (baseline: 32.08 ms, -29.0%) ⚠️ multiseries.rdp.3series: 19.95 ms (baseline: 15.85 ms, +25.9%) ✓ multiseries.movingAvg.5series: 22.84 ms (baseline: 28.16 ms, -18.9%) ✓ multiseries.rdp.5series: 41.76 ms (baseline: 71.35 ms, -41.5%) 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: 47.07 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: 0.053 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: 0.078 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: 19.91 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: 01:18 min [INFO] Finished at: 2026-07-23T22:31:57Z [INFO] ------------------------------------------------------------------------