Report 📊

Summary

The analysis of the Gradle build performance data reveals some key differences between the two variants, varianta_gradle_9_1_0 and variantb_jdk_25. The overall build time for varianta_gradle_9_1_0 averaged 461.379 seconds, slightly faster than variantb_jdk_25 at 469.345 seconds, a difference of about 7.966 seconds or approximately 1.7%. The configuration time showed varianta_gradle_9_1_0 to be slower on average, taking 57.628 seconds compared to 55.901 seconds for variantb_jdk_25, a difference of 1.727 seconds or about 3.1%. Task execution times varied significantly between variants, with variantb_jdk_25 generally taking longer in tasks related to Kotlin compilation and Android resource linking. Memory usage was slightly higher in variantb_jdk_25 across all processes, with a maximum of 10.97 GB compared to 10.95 GB in varianta_gradle_9_1_0. CPU usage was nearly maxed out for both variants. The total garbage collection counts were higher in varianta_gradle_9_1_0 with 157 collections compared to 120 in variantb_jdk_25.

Detailed Report

1. Build Time Comparison

  • Overall Build Time:

    • Mean: varianta_gradle_9_1_0 = 461.379s, variantb_jdk_25 = 469.345s (1.7% slower)
    • P50: varianta_gradle_9_1_0 = 460.131s, variantb_jdk_25 = 465.722s
    • P90: varianta_gradle_9_1_0 = 471.945s, variantb_jdk_25 = 481.620s

  • Configuration Time:

    • Mean: varianta_gradle_9_1_0 = 57.628s, variantb_jdk_25 = 55.901s (3.1% faster)
    • P50: varianta_gradle_9_1_0 = 56.977s, variantb_jdk_25 = 55.178s
    • P90: varianta_gradle_9_1_0 = 59.407s, variantb_jdk_25 = 58.580s

2. Task Type Differences

  • Top 3 Time-Consuming Tasks:
    • "KotlinCompile": Mean time varianta_gradle_9_1_0 = 1.666s vs. variantb_jdk_25 = 1.695s
    • "KspTaskJvm": Mean time varianta_gradle_9_1_0 = 2.732s vs. variantb_jdk_25 = 2.768s
    • "LinkApplicationAndroidResourcesTask": Mean time varianta_gradle_9_1_0 = 2.130s vs. variantb_jdk_25 = 2.229s

3. Statistical Patterns

  • Tasks like "DexMergingTask" and "compileDebugKotlin" showed more than 10% difference in execution times, indicating potential areas for optimization in variantb_jdk_25.

4. Process State Analysis

  • Kotlin Process State:

    • Garbage collection time was slightly higher in variantb_jdk_25 (0.42 vs. 0.37).

  • Gradle Process State:

    • Garbage collection time was lower in variantb_jdk_25 (0.15 vs. 0.18).

5. CPU & Memory Usage Analysis

  • Overall System Usage:

    • CPU: Maxed at 100% for both variants.
    • Memory: varianta_gradle_9_1_0 = 10.95 GB, variantb_jdk_25 = 10.97 GB.

  • Main Gradle Process:

    • CPU: varianta_gradle_9_1_0 = 96.3%, variantb_jdk_25 = 96.18%.
    • Memory: varianta_gradle_9_1_0 = 5.27 GB, variantb_jdk_25 = 5.17 GB.

6. Garbage Collection Analysis

  • Total GC collections were higher in varianta_gradle_9_1_0 (157 vs. 120), suggesting more frequent memory cleanup operations.

This detailed analysis highlights areas where performance tuning could potentially improve build efficiency, particularly in reducing the execution times of key tasks and optimizing garbage collection processes in varianta_gradle_9_1_0.