Report 📊

Summary

The performance comparison between varianta_baseline and variantb_kotlin-2.3.21 reveals several key differences. The overall build time for variantb_kotlin-2.3.21 is slightly higher, with a mean increase of about 4.4 seconds (1.66% longer). Notably, the configuration time has improved in variantb_kotlin-2.3.21 by approximately 1.8 seconds (4.4% faster). In task-specific performance, the :core:cart:compileDebugKotlin task showed a significant increase in execution time in variantb_kotlin-2.3.21, taking about 5.6 seconds longer on average, which is a 65% increase. Memory usage also saw a slight increase in variantb_kotlin-2.3.21 across all metrics, with a notable increase in build child processes memory by 0.46 GB (14.5% higher).

Detailed Report

1. Build Time Comparison

  • Overall Build Time:

    • Mean: varianta_baseline 265.725s vs variantb_kotlin-2.3.21 270.138s (1.66% increase)
    • P50: varianta_baseline 264.847s vs variantb_kotlin-2.3.21 271.717s
    • P90: varianta_baseline 285.050s vs variantb_kotlin-2.3.21 289.119s

  • Configuration Time:

    • Mean: varianta_baseline 40.455s vs variantb_kotlin-2.3.21 38.658s (4.44% decrease)
    • P50: varianta_baseline 40.044s vs variantb_kotlin-2.3.21 38.566s
    • P90: varianta_baseline 45.854s vs variantb_kotlin-2.3.21 42.180s

2. Task Type Differences

  • Top 3 Time-Consuming Tasks:
    • "org.jetbrains.kotlin.gradle.tasks.KotlinCompile":
      • Mean: varianta_baseline 3.209s vs variantb_kotlin-2.3.21 3.435s
    • "com.google.devtools.ksp.gradle.KspAATask":
      • Mean: varianta_baseline 2.512s vs variantb_kotlin-2.3.21 2.514s
    • "com.android.build.gradle.internal.res.LinkApplicationAndroidResourcesTask":
      • Mean: varianta_baseline 2.032s vs variantb_kotlin-2.3.21 2.107s

3. Statistical Patterns

  • Significant timing variations observed in:
    • "org.jetbrains.kotlin.gradle.tasks.KotlinCompile": Slight increase in mean time by 0.226s.
    • "com.android.build.gradle.internal.tasks.DexArchiveBuilderTask": Increased mean time by 0.189s (12.7% increase).

4. CPU & Memory Usage Analysis

  • All Processes:

    • CPU: Max usage remained at 100% for both variants.
    • Memory: Max increased from 8.28 GB to 8.81 GB in variantb_kotlin-2.3.21.

  • Build Process:

    • CPU: Max usage slightly decreased from 96.2% to 96.133%.
    • Memory: Increased from 4.04 GB to 4.12 GB.

  • Build Child Processes:

    • CPU: Increased from 93.3% to 94.467%.
    • Memory: Increased from 3.19 GB to 3.65 GB (14.5% increase).

5. Summary and Formatting Requirements

  • The report uses markdown formatting for clarity and readability.
  • Key tasks and metrics are highlighted with quotes for emphasis.
  • The summary provides a concise overview of the findings, focusing on significant differences in build performance and resource usage.