Report 📊

Summary

The performance comparison between varianta_baseline and variantb_gradle-9.7.0 reveals several key insights. The overall build time for variantb_gradle-9.7.0 is slightly shorter than varianta_baseline, with a mean reduction of 5.609 seconds (1.94% faster). However, the configuration time in variantb_gradle-9.7.0 has increased, particularly at the P90 level, showing a longer duration by 4.21 seconds (6.24% slower). Notably, task execution times such as :app:app:mergeExtDexDebug and :app:app:hiltJavaCompileDebug have seen improvements in variantb_gradle-9.7.0, suggesting more efficient handling of resource-intensive tasks. CPU and memory usage across all processes remain high and closely matched between the variants, indicating consistent resource demands.

Detailed Report

1. Build Time Comparison

  • Overall Build Time:

    • Mean: varianta_baseline 289.794s, variantb_gradle-9.7.0 284.185s (1.94% faster).
    • P50: varianta_baseline 292.651s, variantb_gradle-9.7.0 291.630s (0.35% faster).
    • P90: varianta_baseline 304.208s, variantb_gradle-9.7.0 312.299s (2.66% slower).

  • Configuration Time:

    • Mean: varianta_baseline 57.596s, variantb_gradle-9.7.0 57.393s (0.35% faster).
    • P50: varianta_baseline 60.209s, variantb_gradle-9.7.0 61.654s (2.40% slower).
    • P90: varianta_baseline 67.478s, variantb_gradle-9.7.0 71.688s (6.24% slower).

2. Task Type Differences

  • Top Time-Consuming Tasks:
    • "KotlinCompile": Mean time reduced from 3.329s to 3.241s.
    • "DexMergingTask": Mean time reduced significantly from 6.848s to 6.551s.
    • "GlobalSyntheticsGeneratorTask": Mean time increased slightly from 3.223s to 3.281s.

3. Statistical Patterns

  • Notable timing variations:
    • "DexMergingTask" shows a notable improvement in execution time in variantb_gradle-9.7.0.
    • "GlobalSyntheticsGeneratorTask" and "KotlinCompile" show minor timing variations, with the former task experiencing a slight increase in execution time.

4. CPU & Memory Usage Analysis

  • CPU Usage:

    • All processes: Both variants reached 100% CPU usage.
    • Build process: Slight increase in variantb_gradle-9.7.0 with a maximum of 95.533% compared to 95.4% in varianta_baseline.
    • Build child processes: Nearly identical CPU usage with a maximum of 93.6% in varianta_baseline and 93.567% in variantb_gradle-9.7.0.

  • Memory Usage:

    • All processes: Maximum memory usage was slightly lower in variantb_gradle-9.7.0 with 8.54 GB compared to 8.61 GB in varianta_baseline.
    • Build process: Maximum memory usage decreased from 4.12 GB in varianta_baseline to 4.06 GB in variantb_gradle-9.7.0.
    • Build child processes: Memory usage remained stable with a maximum of 3.38 GB in varianta_baseline and 3.37 GB in variantb_gradle-9.7.0.

This analysis underscores the nuanced performance improvements and regressions between the two variants, with variantb_gradle-9.7.0 showing a general trend of efficiency in task execution despite a slight increase in configuration times.