ExampleBenchmark.kt

package com.example.benchmark

import androidx.benchmark.junit4.BenchmarkRule
import androidx.benchmark.junit4.measureRepeated
import androidx.test.ext.junit.runners.AndroidJUnit4
import dagger.internal.DoubleCheck
import dagger.internal.Provider
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith

@RunWith(AndroidJUnit4::class)
class ExampleBenchmark {

    @get:Rule
    val benchmarkRule = BenchmarkRule()

    @Test
    fun notScoped() {
        benchmarkRule.measureRepeated {
            val dependency = Provider { Dependency() }
            Provider { Dependent(dependency.get()) }.get()
        }
    }

    @Test
    fun scoped() {
        benchmarkRule.measureRepeated {
            val dependency = DoubleCheck.provider(Provider { Dependency() })
            DoubleCheck.provider(Provider { Dependent(dependency.get()) }).get()
        }
    }

    class Dependency

    class Dependent(val dependency: Dependency)
}