Report 📊

Summary

The performance comparison between varianta_gradle_9_1_0 and variantb_jdk_25_parallel reveals several key insights. The overall build time for varianta_gradle_9_1_0 averaged 466.318 seconds, slightly higher than variantb_jdk_25_parallel at 448.495 seconds, marking a decrease of about 3.82%. Configuration times also show a decrease from 59.939 seconds in varianta_gradle_9_1_0 to 53.989 seconds in variantb_jdk_25_parallel, a reduction of approximately 9.92%. Notably, garbage collection (GC) was more efficient in variantb_jdk_25_parallel with significantly fewer total collections (74) compared to varianta_gradle_9_1_0 (157). Memory usage peaked slightly higher in variantb_jdk_25_parallel at 11.49 GB compared to 10.98 GB in varianta_gradle_9_1_0. CPU usage was maximized at 100% for both variants, indicating full utilization during the builds.

Detailed Report

1. Build Time Comparison

  • Overall Build Time:

    • varianta_gradle_9_1_0: Mean: 466.318s, P50: 464.060s, P90: 493.302s
    • variantb_jdk_25_parallel: Mean: 448.495s, P50: 446.847s, P90: 464.009s
    • Reduction: Mean: 3.82%, P50: 3.71%, P90: 5.94%

  • Configuration Time:

    • varianta_gradle_9_1_0: Mean: 59.939s, P50: 58.788s, P90: 65.043s
    • variantb_jdk_25_parallel: Mean: 53.989s, P50: 53.649s, P90: 57.712s
    • Reduction: Mean: 9.92%, P50: 8.74%, P90: 11.27%

2. Task Type Differences

  • Top Time-Consuming Tasks:
    • "KotlinCompile": varianta_gradle_9_1_0 Mean: 1.675s vs variantb_jdk_25_parallel Mean: 1.627s
    • "KspTaskJvm": varianta_gradle_9_1_0 Mean: 2.752s vs variantb_jdk_25_parallel Mean: 2.643s
    • "DexMergingTask": varianta_gradle_9_1_0 Mean: 3.816s vs variantb_jdk_25_parallel Mean: 4.119s (Increase)

3. Statistical Patterns

  • Notable timing variations are seen in "DexMergingTask" where variantb_jdk_25_parallel shows an increase in execution time by about 7.94% compared to varianta_gradle_9_1_0.

4. Process State Analysis

  • Gradle Process State:
    • varianta_gradle_9_1_0: GC Time Mean: 0.18% vs variantb_jdk_25_parallel: GC Time Mean: 0.24%
    • variantb_jdk_25_parallel shows a higher percentage of time spent in garbage collection.

5. CPU & Memory Usage Analysis

  • CPU Usage:
    • Both variants reached a maximum CPU usage of 100%, indicating full utilization.
  • Memory Usage:
    • varianta_gradle_9_1_0: Max: 10.98 GB
    • variantb_jdk_25_parallel: Max: 11.49 GB
    • Slight increase in memory usage in variantb_jdk_25_parallel.

6. Garbage Collection Analysis

  • varianta_gradle_9_1_0 had a total of 157 GC collections compared to 74 in variantb_jdk_25_parallel, indicating more efficient memory management in the latter.

This detailed analysis provides a comprehensive view of the build performance differences between the two variants, highlighting areas of efficiency and potential bottlenecks.