Report 📊

Summary

The analysis of the Gradle build performance comparison data reveals that the variant variantb_no_xms generally takes longer to build than varianta_using_xms. The mean build time for variantb_no_xms is approximately 3.5% longer than varianta_using_xms. The most time-consuming tasks across both variants are :app:l8DexDesugarLibDemoDebug, :app:mergeExtDexDemoDebug, and :core:designsystem:compileDemoDebugKotlin. In terms of CPU and memory usage, both variants reach 100% CPU usage, but varianta_using_xms uses more memory. Garbage collection data shows more collections for variantb_no_xms.

Detailed Report

  • 1. Build Time Comparison

    • The mean build time for varianta_using_xms is 212.565 seconds, while for variantb_no_xms it is 219.916 seconds, approximately 3.5% longer.
    • The P50 build time for varianta_using_xms is 211.546 seconds, while for variantb_no_xms it is 217.186 seconds.
    • The P90 build time for varianta_using_xms is 221.784 seconds, while for variantb_no_xms it is 229.056 seconds.

  • 2. Task Type Differences

    • The top 3 most time-consuming tasks for both variants are :app:l8DexDesugarLibDemoDebug, :app:mergeExtDexDemoDebug, and :core:designsystem:compileDemoDebugKotlin.
    • The mean execution time for :app:l8DexDesugarLibDemoDebug is 38.415 seconds for varianta_using_xms and 40.047 seconds for variantb_no_xms.
    • The mean execution time for :app:mergeExtDexDemoDebug is 42.239 seconds for varianta_using_xms and 43.693 seconds for variantb_no_xms.
    • The mean execution time for :core:designsystem:compileDemoDebugKotlin is 181.06 seconds for varianta_using_xms and 187.75 seconds for variantb_no_xms.

  • 3. Statistical Patterns

    • Tasks with notable timing variations include :app:l8DexDesugarLibDemoDebug, :app:mergeExtDexDemoDebug, and :core:designsystem:compileDemoDebugKotlin.
    • For :app:l8DexDesugarLibDemoDebug, the P50 value is 38.251 seconds for varianta_using_xms and 39.758 seconds for variantb_no_xms. The P90 value is 40.523 seconds for varianta_using_xms and 42.309 seconds for variantb_no_xms.
    • For :app:mergeExtDexDemoDebug, the P50 value is 42.572 seconds for varianta_using_xms and 43.415 seconds for variantb_no_xms. The P90 value is 44.24 seconds for varianta_using_xms and 46.34 seconds for variantb_no_xms.
    • For :core:designsystem:compileDemoDebugKotlin, the P50 value is 180.86 seconds for varianta_using_xms and 188.08 seconds for variantb_no_xms. The P90 value is 196.43 seconds for varianta_using_xms and 205.92 seconds for variantb_no_xms.

  • 4. Process State Analysis

    • Kotlin Process State: The mean GC time for varianta_using_xms is 0.09, while for variantb_no_xms it is 0.1.
    • Gradle Process State: The mean GC time for varianta_using_xms is 0.13, while for variantb_no_xms it is 0.14.

  • 5. CPU & Memory Usage Analysis

    • The maximum CPU usage for all processes is 100% for both variants.
    • The maximum memory usage for all processes is 11.16 GB for varianta_using_xms and 9.85 GB for variantb_no_xms.
    • The maximum CPU usage for the build process is 93.1% for varianta_using_xms and 93.34% for variantb_no_xms.
    • The maximum memory usage for the build process is 5.39 GB for varianta_using_xms and 5.04 GB for variantb_no_xms.
    • The maximum CPU usage for build child processes is 92.12% for varianta_using_xms and 92.76% for variantb_no_xms.
    • The maximum memory usage for build child processes is 4.75 GB for varianta_using_xms and 3.83 GB for variantb_no_xms.

  • 6. Garbage Collection Analysis

    • The total GC collections for varianta_using_xms are 68 for the Gradle process and 44 for the Kotlin process.
    • The total GC collections for variantb_no_xms are 104 for the Gradle process and 72 for the Kotlin process.

  • 7. Kotlin Build Reports Analysis

    • The total Gradle task time is 3751.84 ms for varianta_using_xms and 3947.01 ms for variantb_no_xms.
    • The time spent before task action is 39.21 ms for varianta_using_xms and 54.48 ms for variantb_no_xms.
    • The compiler code analysis time is 1432.8 ms for varianta_using_xms and 1483.63 ms for variantb_no_xms.
    • The compiler code generation time is 879.98 ms for varianta_using_xms and 921.64 ms for variantb_no_xms.
    • The compiler IR generation time is 493.42 ms for varianta_using_xms and 516.7 ms for variantb_no_xms.
    • The compiler IR translation time is 632.85 ms for varianta_using_xms and 662.25 ms for variantb_no_xms.
    • The compiler IR lowering time is 386.05 ms for `varianta_using