Merge "Tune benchmark tests" into main (4c974c8b) · Commits · e / os / android_frameworks_libs_systemui

mechanics/benchmark/tests/src/com/android/mechanics/benchmark/MotionValueCollectionBenchmark.kt

+43 −34

Original line number	Diff line number	Diff line
		@@ -38,7 +38,6 @@ import org.junit.Test
		import org.junit.runner.RunWith
		import org.junit.runners.Parameterized
		import platform.test.motion.compose.MonotonicClockTestScope
		import platform.test.motion.compose.runMonotonicClockTest

		/** Benchmark, which will execute on an Android device. Previous results: go/mm-microbenchmarks */
		@RunWith(Parameterized::class)
		@@ -47,7 +46,9 @@ class MotionValueCollectionBenchmark(private val instanceCount: Int) {
		companion object {
		@JvmStatic
		@Parameterized.Parameters(name = "instanceCount={0}")
		fun instanceCount() = listOf(100)
		fun instanceCount() = listOf(1, 100)

		val DefaultSpring = SpringParameters(stiffness = 300f, dampingRatio = .9f)
		}

		@get:Rule val benchmarkRule = BenchmarkRule()
		@@ -117,69 +118,77 @@ class MotionValueCollectionBenchmark(private val instanceCount: Int) {
		testScheduler.advanceTimeBy(16)
		}

		private fun MonotonicClockTestScope.measureOscillatingInput(
		fixture: TestFixture,
		stepSize: Float = 1f,
		) {
		var step = stepSize
		benchmarkRule.measureRepeated {
		val lastInput = fixture.gestureContext.dragOffset
		if (lastInput <= .5f) step = stepSize else if (lastInput >= 9.5f) step = -stepSize
		fixture.gestureContext.dragOffset = lastInput + step
		nextFrame()
		}
		}

		@Test
		fun noChange() = runMonotonicClockTest {
		val fixture = testFixture()

		benchmarkRule.measureRepeated {
		fixture.gestureContext.dragOffset += 0f
		nextFrame()
		}
		measureOscillatingInput(fixture, stepSize = 0f)
		}

		@Test
		fun changeInput() = runMonotonicClockTest {
		val fixture = testFixture()

		benchmarkRule.measureRepeated {
		fixture.gestureContext.dragOffset += 1f
		nextFrame()
		measureOscillatingInput(fixture)
		}

		@Test
		fun changeInput_sameOutput() = runMonotonicClockTest {
		val spec = MotionSpec(directionalMotionSpec(Mapping.Zero))

		val fixture = testFixture(initialInput = 4f) { spec }
		measureOscillatingInput(fixture)
		}

		@Test
		fun animateOutput() = runMonotonicClockTest {
		fun changeSegment_noDiscontinuity() = runMonotonicClockTest {
		val spec =
		MotionSpec(
		directionalMotionSpec(
		defaultSpring = SpringParameters(stiffness = 300f, dampingRatio = .9f),
		initialMapping = Mapping.Zero,
		) {
		fixedValue(breakpoint = 5f, value = 1f)
		directionalMotionSpec(DefaultSpring, Mapping.Zero) {
		mapping(breakpoint = 5f, mapping = Mapping.Zero)
		}
		)

		val fixture = testFixture(initialInput = 4f) { spec }
		var stepSize = 1f
		measureOscillatingInput(fixture)
		}

		benchmarkRule.measureRepeated {
		val lastInput = fixture.gestureContext.dragOffset
		if (lastInput <= .5f) stepSize = 1f else if (lastInput >= 9.5f) stepSize = -1f
		fixture.gestureContext.dragOffset = lastInput + stepSize
		nextFrame()
		@Test
		fun animateOutput() = runMonotonicClockTest {
		val spec =
		MotionSpec(
		directionalMotionSpec(DefaultSpring, Mapping.Zero) {
		fixedValue(breakpoint = 5f, value = 1f)
		}
		)

		val fixture = testFixture(initialInput = 4f) { spec }
		measureOscillatingInput(fixture)
		}

		@Test
		fun animateWithGuarantee() = runMonotonicClockTest {
		val spec =
		MotionSpec(
		directionalMotionSpec(
		defaultSpring = SpringParameters(stiffness = 300f, dampingRatio = .9f),
		initialMapping = Mapping.Zero,
		) {
		directionalMotionSpec(DefaultSpring, Mapping.Zero) {
		fixedValue(breakpoint = 5f, value = 1f, guarantee = Guarantee.InputDelta(4f))
		}
		)

		val fixture = testFixture { spec }
		var stepSize = 1f

		benchmarkRule.measureRepeated {
		val lastInput = fixture.gestureContext.dragOffset
		if (lastInput <= .5f) stepSize = 1f else if (lastInput >= 9.5f) stepSize = -1f
		fixture.gestureContext.dragOffset = lastInput + stepSize
		nextFrame()
		}
		measureOscillatingInput(fixture)
		}
		}