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Add benchmark for macOS K/N + rendering (#3555) 

* Copy jvm/native project

* Implement benchmark

* Add minor changes

* Add minor changes

* Add minor changes

* Update

* Change "lowest" to "worse"

* Add p75

* Remove p75

* Fix naming

* Update gradle properties
nr/prepare-release-1.5.10-beta01
Elijah Semyonov 8 months ago committed by GitHub
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  1. 5
      benchmarks/kn-performance/.gitignore
  2. 5
      benchmarks/kn-performance/README.md
  3. 83
      benchmarks/kn-performance/build.gradle.kts
  4. 10
      benchmarks/kn-performance/gradle.properties
  5. BIN
      benchmarks/kn-performance/gradle/wrapper/gradle-wrapper.jar
  6. 5
      benchmarks/kn-performance/gradle/wrapper/gradle-wrapper.properties
  7. 185
      benchmarks/kn-performance/gradlew
  8. 91
      benchmarks/kn-performance/gradlew.bat
  9. 18
      benchmarks/kn-performance/settings.gradle.kts
  10. 151
      benchmarks/kn-performance/src/commonMain/kotlin/Benchmarks.kt
  11. 76
      benchmarks/kn-performance/src/commonMain/kotlin/MeasureComposable.kt
  12. 38
      benchmarks/kn-performance/src/commonMain/kotlin/benchmarks/animation/AnimatedVisibility.kt
  13. 106
      benchmarks/kn-performance/src/commonMain/kotlin/benchmarks/lazygrid/LazyGrid.kt
  14. 321
      benchmarks/kn-performance/src/commonMain/kotlin/benchmarks/visualeffects/HappyNY.kt
  15. 36
      benchmarks/kn-performance/src/commonMain/resources/compose-multiplatform.xml
  16. 9
      benchmarks/kn-performance/src/desktopMain/kotlin/main.desktop.kt
  17. 66
      benchmarks/kn-performance/src/macosMain/kotlin/main.macos.kt

5
benchmarks/kn-performance/.gitignore vendored
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local.properties
build
.gradle
.idea
.DS_Store

5
benchmarks/kn-performance/README.md
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# Compose benchmarks for K/N
## Run native on MacOS
- `./gradlew runReleaseExecutableMacosArm64` (Works on Arm64 processors)
- `./gradlew runReleaseExecutableMacosX64` (Works on Intel processors)

83
benchmarks/kn-performance/build.gradle.kts
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import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
plugins {
kotlin("multiplatform")
id("org.jetbrains.compose")
}
version = "1.0-SNAPSHOT"
repositories {
mavenLocal()
google()
mavenCentral()
maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
}
kotlin {
jvm("desktop")
macosX64 {
binaries {
executable {
entryPoint = "main"
freeCompilerArgs += listOf(
"-linker-option", "-framework", "-linker-option", "Metal"
)
}
}
}
macosArm64 {
binaries {
executable {
entryPoint = "main"
freeCompilerArgs += listOf(
"-linker-option", "-framework", "-linker-option", "Metal"
)
}
}
}
sourceSets {
val commonMain by getting {
dependencies {
implementation(compose.ui)
implementation(compose.foundation)
implementation(compose.material)
implementation(compose.runtime)
@OptIn(org.jetbrains.compose.ExperimentalComposeLibrary::class)
implementation(compose.components.resources)
}
}
val desktopMain by getting {
dependencies {
implementation(compose.desktop.currentOs)
runtimeOnly("org.jetbrains.kotlinx:kotlinx-coroutines-swing:1.7.1")
}
}
val nativeMain by creating {
dependsOn(commonMain)
}
val macosMain by creating {
dependsOn(nativeMain)
}
val macosX64Main by getting {
dependsOn(macosMain)
}
val macosArm64Main by getting {
dependsOn(macosMain)
}
}
}
compose.desktop {
application {
mainClass = "Main_desktopKt"
}
}
tasks.withType<KotlinCompile> {
kotlinOptions.jvmTarget = "11"
}

10
benchmarks/kn-performance/gradle.properties
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compose.version=1.5.1
kotlin.version=1.9.10
org.gradle.jvmargs=-Xmx3g
kotlin.native.useEmbeddableCompilerJar=true
compose.desktop.verbose=true
android.useAndroidX=true
kotlin.js.webpack.major.version=4
org.jetbrains.compose.experimental.jscanvas.enabled=true
org.jetbrains.compose.experimental.macos.enabled=true
org.jetbrains.compose.experimental.uikit.enabled=true

BIN
benchmarks/kn-performance/gradle/wrapper/gradle-wrapper.jar vendored
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benchmarks/kn-performance/gradle/wrapper/gradle-wrapper.properties vendored
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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

185
benchmarks/kn-performance/gradlew vendored
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#!/usr/bin/env sh
#
# Copyright 2015 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=`expr $i + 1`
done
case $i in
0) set -- ;;
1) set -- "$args0" ;;
2) set -- "$args0" "$args1" ;;
3) set -- "$args0" "$args1" "$args2" ;;
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
exec "$JAVACMD" "$@"

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benchmarks/kn-performance/gradlew.bat vendored
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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%"=="" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 0 goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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benchmarks/kn-performance/settings.gradle.kts
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pluginManagement {
repositories {
mavenLocal()
mavenCentral()
gradlePluginPortal()
maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
google()
}
plugins {
val kotlinVersion = extra["kotlin.version"] as String
kotlin("multiplatform").version(kotlinVersion)
val composeVersion = extra["compose.version"] as String
id("org.jetbrains.compose").version(composeVersion)
}
}
rootProject.name = "compose-benchmarks"

151
benchmarks/kn-performance/src/commonMain/kotlin/Benchmarks.kt
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import androidx.compose.runtime.Composable
import benchmarks.animation.AnimatedVisibility
import benchmarks.lazygrid.LazyGrid
import benchmarks.visualeffects.NYContent
import kotlin.math.roundToInt
import kotlin.time.Duration
enum class BenchmarkFrameTimeKind {
CPU, GPU
}
fun BenchmarkFrameTimeKind.toPrettyPrintString(): String =
when (this) {
BenchmarkFrameTimeKind.CPU -> "CPU"
BenchmarkFrameTimeKind.GPU -> "GPU"
}
data class BenchmarkFrame(
val cpuDuration: Duration,
val gpuDuration: Duration
) {
fun duration(kind: BenchmarkFrameTimeKind): Duration =
when (kind) {
BenchmarkFrameTimeKind.CPU -> cpuDuration
BenchmarkFrameTimeKind.GPU -> gpuDuration
}
}
data class BenchmarkPercentileAverage(
val percentile: Double,
val average: Duration
)
data class MissedFrames(
val count: Int,
val ratio: Double
) {
fun prettyPrint(description: String) {
println(
"""
Missed frames ($description):
- count: $count
- ratio: $ratio
""".trimIndent()
)
}
}
data class BenchmarkStats(
val frameBudget: Duration,
val percentileCPUAverage: List<BenchmarkPercentileAverage>,
val percentileGPUAverage: List<BenchmarkPercentileAverage>,
val noBufferingMissedFrames: MissedFrames,
val doubleBufferingMissedFrames: MissedFrames
) {
fun prettyPrint() {
percentileCPUAverage.prettyPrint(BenchmarkFrameTimeKind.CPU)
println()
percentileGPUAverage.prettyPrint(BenchmarkFrameTimeKind.GPU)
println()
noBufferingMissedFrames.prettyPrint("no buffering")
doubleBufferingMissedFrames.prettyPrint("double buffering")
}
private fun List<BenchmarkPercentileAverage>.prettyPrint(kind: BenchmarkFrameTimeKind) {
forEach {
println("Worst p${(it.percentile * 100).roundToInt()} ${kind.toPrettyPrintString()} average: ${it.average}")
}
}
}
class BenchmarkResult(
private val frameBudget: Duration,
private val frames: List<BenchmarkFrame>,
) {
private fun percentileAverageFrameTime(percentile: Double, kind: BenchmarkFrameTimeKind): Duration {
require(percentile in 0.0..1.0)
val startIndex = ((frames.size - 1) * percentile).roundToInt()
val percentileFrames = frames.sortedBy { it.duration(kind) }.subList(frames.size - startIndex - 1, frames.size)
return averageDuration(percentileFrames) {
it.duration(kind)
}
}
fun generateStats(): BenchmarkStats {
val noBufferingMissedFramesCount = frames.count {
it.cpuDuration + it.gpuDuration > frameBudget
}
val doubleBufferingMissedFrames = frames.count {
maxOf(it.cpuDuration, it.gpuDuration) > frameBudget
}
return BenchmarkStats(
frameBudget,
listOf(0.01, 0.02, 0.05, 0.1, 0.25, 0.5).map { percentile ->
val average = percentileAverageFrameTime(percentile, BenchmarkFrameTimeKind.CPU)
BenchmarkPercentileAverage(percentile, average)
},
listOf(0.01, 0.1, 0.5).map { percentile ->
val average = percentileAverageFrameTime(percentile, BenchmarkFrameTimeKind.GPU)
BenchmarkPercentileAverage(percentile, average)
},
MissedFrames(noBufferingMissedFramesCount, noBufferingMissedFramesCount / frames.size.toDouble()),
MissedFrames(doubleBufferingMissedFrames, doubleBufferingMissedFrames / frames.size.toDouble())
)
}
private fun averageDuration(frames: List<BenchmarkFrame>, selector: (BenchmarkFrame) -> Duration): Duration =
frames.fold(Duration.ZERO) { acc, frame ->
acc + selector(frame)
} / frames.size
}
fun runBenchmark(
name: String,
width: Int,
height: Int,
targetFps: Int,
frameCount: Int,
graphicsContext: GraphicsContext?,
content: @Composable () -> Unit
): BenchmarkStats {
val stats = measureComposable(frameCount, width, height, targetFps, graphicsContext, content).generateStats()
println(name)
stats.prettyPrint()
println()
return stats
}
fun runBenchmarks(
width: Int = 1920,
height: Int = 1080,
targetFps: Int = 120,
graphicsContext: GraphicsContext? = null
) {
println("Running emulating $targetFps FPS")
runBenchmark("AnimatedVisibility", width, height, targetFps, 1000, graphicsContext) { AnimatedVisibility() }
runBenchmark("LazyGrid", width, height, targetFps, 1000, graphicsContext) { LazyGrid() }
runBenchmark("VisualEffects", width, height, targetFps, 1000, graphicsContext) { NYContent(width, height) }
}

76
benchmarks/kn-performance/src/commonMain/kotlin/MeasureComposable.kt
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import androidx.compose.runtime.Composable
import androidx.compose.ui.ComposeScene
import androidx.compose.ui.unit.Constraints
import org.jetbrains.skia.DirectContext
import org.jetbrains.skia.Surface
import kotlin.time.Duration
import kotlin.time.Duration.Companion.nanoseconds
import kotlin.time.ExperimentalTime
import kotlin.time.measureTime
import kotlinx.coroutines.*
const val nanosPerSecond = 1E9.toLong()
const val millisPerSecond = 1e3.toLong()
const val nanosPerMillisecond = nanosPerSecond / millisPerSecond
interface GraphicsContext {
fun surface(width: Int, height: Int): Surface
suspend fun awaitGPUCompletion()
}
@OptIn(ExperimentalTime::class)
fun measureComposable(
frameCount: Int = 500,
width: Int,
height: Int,
targetFps: Int,
graphicsContext: GraphicsContext?,
content: @Composable () -> Unit
): BenchmarkResult = runBlocking {
val scene = ComposeScene()
try {
val nanosPerFrame = (1.0 / targetFps.toDouble() * nanosPerSecond).toLong()
scene.setContent(content)
scene.constraints = Constraints.fixed(width, height)
val surface = graphicsContext?.surface(width, height) ?: Surface.makeNull(width, height)
val frames = MutableList(frameCount) {
BenchmarkFrame(Duration.INFINITE, Duration.INFINITE)
}
var nanoTime = 0L
repeat(frameCount) {
val frameTime = measureTime {
val cpuTime = measureTime {
scene.render(surface.canvas, nanoTime)
surface.flushAndSubmit(false)
}
val gpuTime = measureTime {
graphicsContext?.awaitGPUCompletion()
}
frames[it] = BenchmarkFrame(cpuTime, gpuTime)
}
val actualNanosPerFrame = frameTime.inWholeNanoseconds
val nanosUntilDeadline = nanosPerFrame - actualNanosPerFrame
// Emulate waiting for next vsync
if (nanosUntilDeadline > 0) {
delay(nanosUntilDeadline / nanosPerMillisecond)
}
nanoTime += maxOf(actualNanosPerFrame, nanosPerFrame)
}
BenchmarkResult(
nanosPerFrame.nanoseconds,
frames
)
} finally {
scene.close()
}
}

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benchmarks/kn-performance/src/commonMain/kotlin/benchmarks/animation/AnimatedVisibility.kt
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package benchmarks.animation
import androidx.compose.animation.AnimatedVisibility
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.material.MaterialTheme
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import kotlinx.coroutines.delay
import org.jetbrains.compose.resources.ExperimentalResourceApi
import org.jetbrains.compose.resources.painterResource
@OptIn(ExperimentalResourceApi::class)
@Composable
fun AnimatedVisibility() {
MaterialTheme {
var showImage by remember { mutableStateOf(false) }
LaunchedEffect(showImage) {
delay(200)
showImage = !showImage
}
Column(Modifier.fillMaxWidth(), horizontalAlignment = Alignment.CenterHorizontally) {
AnimatedVisibility(showImage) {
Image(
painterResource("compose-multiplatform.xml"),
null
)
}
}
}
}

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benchmarks/kn-performance/src/commonMain/kotlin/benchmarks/lazygrid/LazyGrid.kt
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package benchmarks.lazygrid
import androidx.compose.foundation.gestures.scrollBy
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.lazy.grid.GridCells
import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
import androidx.compose.foundation.lazy.grid.items
import androidx.compose.foundation.lazy.grid.rememberLazyGridState
import androidx.compose.material.Card
import androidx.compose.material.Checkbox
import androidx.compose.material.MaterialTheme
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.runtime.withFrameMillis
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.semantics.contentDescription
import androidx.compose.ui.semantics.semantics
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.unit.dp
@Composable
fun LazyGrid() {
val itemCount = 12000
val entries = remember {List(itemCount) { Entry("$it") }}
val state = rememberLazyGridState()
var smoothScroll by remember { mutableStateOf(false)}
MaterialTheme {
Column {
Row {
Checkbox(
checked = smoothScroll,
onCheckedChange = { value -> smoothScroll = value}
)
Text (text = "Smooth scroll", modifier = Modifier.align(Alignment.CenterVertically))
}
LazyVerticalGrid(
columns = GridCells.Fixed(4),
modifier = Modifier.fillMaxWidth().semantics { contentDescription = "IamLazy" },
state = state
) {
items(entries) {
ListCell(it)
}
}
}
}
var curItem by remember { mutableStateOf(0) }
var direct by remember { mutableStateOf(true) }
if (smoothScroll) {
LaunchedEffect(Unit) {
while (smoothScroll) {
withFrameMillis { }
curItem = state.firstVisibleItemIndex
if (curItem == 0) direct = true
if (curItem > itemCount - 100) direct = false
state.scrollBy(if (direct) 5f else -5f)
}
}
} else {
LaunchedEffect(curItem) {
withFrameMillis { }
curItem += if (direct) 50 else -50
if (curItem >= itemCount) {
direct = false
curItem = itemCount - 1
} else if (curItem <= 0) {
direct = true
curItem = 0
}
state.scrollToItem(curItem)
}
}
}
data class Entry(val contents: String)
@Composable
private fun ListCell(entry: Entry) {
Card(
modifier = Modifier
.fillMaxWidth()
.padding(8.dp)
) {
Text(
text = entry.contents,
textAlign = TextAlign.Center,
style = MaterialTheme.typography.h5,
modifier = Modifier.padding(16.dp)
)
}
}

321
benchmarks/kn-performance/src/commonMain/kotlin/benchmarks/visualeffects/HappyNY.kt
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package benchmarks.visualeffects
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.Surface
import androidx.compose.runtime.*
import androidx.compose.runtime.snapshots.SnapshotStateList
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.*
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.platform.LocalDensity
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp
import kotlin.math.*
import kotlin.random.Random
const val snowCount = 80
const val starCount = 60
const val rocketPartsCount = 30
data class SnowFlake(
var x: Dp,
var y: Dp,
val scale: Float,
var v: Double,
var alpha: Float,
var angle: Float,
var rotate: Int,
var phase: Double
)
data class Star(val x: Dp, val y: Dp, val color: Color, val size: Dp)
val random = Random(123)
fun random(): Float = random.nextFloat()
class DoubleRocket(val particle: Particle) {
private val STATE_ROCKET = 0
private val STATE_SMALL_ROCKETS = 1
var state = STATE_ROCKET
var rockets: Array<Rocket> = emptyArray()
private fun checkState(time: Long) {
if (particle.vy > -3.0 && state == STATE_ROCKET) {
explode(time)
}
if (state == STATE_SMALL_ROCKETS) {
var done = true
rockets.forEach {
if (!it.exploded) {
it.checkExplode(time)
}
if (!it.checkDone()) {
done = false
}
}
if (done) {
reset()
}
}
}
private fun reset() {
state = STATE_ROCKET
particle.x = 0.0
particle.y = 1000.0
particle.vx = 2.1
particle.vy = -12.5
}
private fun explode(time: Long) {
val colors = arrayOf(Color(0xff, 0, 0), Color(192, 255, 192), Color(192, 212, 255))
rockets = Array(7) {
val v = 1.2f + 1.0 * random()
val angle = 2 * PI * random()
Rocket(
Particle(
particle.x,
particle.y,
v * sin(angle) + particle.vx,
v * cos(angle) + particle.vy - 0.5f,
colors[it % colors.size]
), colors[it % colors.size], time
)
}
state = STATE_SMALL_ROCKETS
}
fun move(time: Long, prevTime: Long) {
if (rocket.state == rocket.STATE_ROCKET) {
rocket.particle.move(time, prevTime)
rocket.particle.gravity(time, prevTime)
} else {
rocket.rockets.forEach {
it.move(time, prevTime)
}
}
rocket.checkState(time)
}
@Composable
fun draw() {
if (state == rocket.STATE_ROCKET) {
particle.draw()
} else {
rockets.forEach {
it.draw()
}
}
}
}
class Rocket(val particle: Particle, val color: Color, val startTime: Long = 0) {
var exploded = false
var parts: Array<Particle> = emptyArray()
fun checkExplode(time: Long) {
if (time - startTime > 1200000000) {
explode()
}
}
private fun explode() {
parts = Array(rocketPartsCount) {
val v = 0.5f + 1.5 * random()
val angle = 2 * PI * random()
Particle(particle.x, particle.y, v * sin(angle) + particle.vx, v * cos(angle) + particle.vy, color, 1)
}
exploded = true
}
fun checkDone(): Boolean {
if (!exploded) return false
parts.forEach {
if (it.y < 800) return false
}
return true
}
fun move(time: Long, prevTime: Long) {
if (!exploded) {
particle.move(time, prevTime)
particle.gravity(time, prevTime)
checkExplode(time)
} else {
parts.forEach {
it.move(time, prevTime)
it.gravity(time, prevTime)
}
}
}
@Composable
fun draw() {
if (!exploded) {
particle.draw()
} else {
parts.forEach {
it.draw()
}
}
}
}
class Particle(var x: Double, var y: Double, var vx: Double, var vy: Double, val color: Color, val type: Int = 0) {
fun move(time: Long, prevTime: Long) {
x = (x + vx * (time - prevTime) / 30000000)
y = (y + vy * (time - prevTime) / 30000000)
}
fun gravity(time: Long, prevTime: Long) {
vy = vy + 1.0f * (time - prevTime) / 300000000
}
@Composable
fun draw() {
val alphaFactor = if (type == 0) 1.0f else 1 / (1 + abs(vy / 5)).toFloat()
Box(Modifier.size(5.dp).offset(x.dp, y.dp).alpha(alphaFactor).clip(CircleShape).background(color))
for (i in 1..5) {
Box(
Modifier.size(4.dp).offset((x - vx / 2 * i).dp, (y - vy / 2 * i).dp)
.alpha(alphaFactor * (1 - 0.18f * i)).clip(CircleShape).background(color)
)
}
}
}
val rocket = DoubleRocket(Particle(0.0, 1000.0, 2.1, -12.5, Color.White))
fun prepareStarsAndSnowFlakes(stars: SnapshotStateList<Star>, snowFlakes: SnapshotStateList<SnowFlake>, width: Int, height: Int) {
for (i in 0..snowCount) {
snowFlakes.add(
SnowFlake(
(50 + (width - 50) * random()).dp,
(height * random()).dp,
0.1f + 0.2f * random(),
1.5 + 3 * random(),
(0.4f + 0.4 * random()).toFloat(),
60 * random(),
Random.nextInt(1, 5) - 3,
random() * 2 * PI
)
)
}
val colors = arrayOf(Color.Red, Color.Yellow, Color.Green, Color.Yellow, Color.Cyan, Color.Magenta, Color.White)
for (i in 0..starCount) {
stars.add(
Star(
(width * random()).dp,
(height * random()).dp,
colors[Random.nextInt(colors.size)],
(3 + 5 * random()).dp
)
)
}
}
@Composable
fun NYContent(width: Int, height: Int) {
var time by remember { mutableStateOf(0L) }
val startTime = remember { 0L }
var prevTime by remember { mutableStateOf(0L) }
val snowFlakes = remember { mutableStateListOf<SnowFlake>() }
val stars = remember { mutableStateListOf<Star>() }
var flickering2 by remember { mutableStateOf(true) }
remember { prepareStarsAndSnowFlakes(stars, snowFlakes, width, height) }
Surface(
modifier = Modifier.fillMaxSize().padding(5.dp).shadow(3.dp, RoundedCornerShape(20.dp)),
color = Color.Black,
shape = RoundedCornerShape(20.dp)
) {
LaunchedEffect(Unit) {
while (true) {
withFrameNanos {
prevTime = time
time = it
}
}
}
if (flickering2) {
if (time - startTime > 15500000000) { //note, that startTime has been updated above
flickering2 = false
}
}
rocket.move(time, prevTime)
Box(Modifier.fillMaxSize()) {
snow(time, prevTime, snowFlakes, startTime, height)
starrySky(stars)
rocket.draw()
}
}
}
@Composable
fun starrySky(stars: SnapshotStateList<Star>) {
stars.forEach {
star(it.x, it.y, it.color, size = it.size)
}
}
@Composable
fun star(x: Dp, y: Dp, color: Color = Color.White, size: Dp) {
Box(Modifier.offset(x, y).scale(1.0f, 0.2f).rotate(45f).size(size).background(color))
Box(Modifier.offset(x, y).scale(0.2f, 1.0f).rotate(45f).size(size).background(color))
}
@Composable
fun snow(time: Long, prevTime: Long, snowFlakes: SnapshotStateList<SnowFlake>, startTime: Long, height: Int) {
val deltaAngle = (time - startTime) / 100000000
with(LocalDensity.current) {
snowFlakes.forEach {
var y = it.y + ((it.v * (time - prevTime)) / 300000000).dp
if (y > (height + 20).dp) {
y = -20.dp
}
it.y = y
val x = it.x + (15 * sin(time.toDouble() / 3000000000 + it.phase)).dp
snowFlake(Modifier.offset(x, y).scale(it.scale).rotate(it.angle + deltaAngle * it.rotate), it.alpha)
}
}
}
@Composable
fun snowFlake(modifier: Modifier, alpha: Float = 0.8f) {
Box(modifier) {
snowFlakeInt(0, 0f, 30.dp, 0.dp, alpha)
snowFlakeInt(0, 60f, 15.dp, 25.dp, alpha)
snowFlakeInt(0, 120f, -15.dp, 25.dp, alpha)
snowFlakeInt(0, 180f, -30.dp, 0.dp, alpha)
snowFlakeInt(0, 240f, -15.dp, -25.dp, alpha)
snowFlakeInt(0, 300f, 15.dp, -25.dp, alpha)
}
}
@Composable
fun snowFlakeInt(level: Int, angle: Float, shiftX: Dp, shiftY: Dp, alpha: Float) {
if (level > 3) return
Box(
Modifier.offset(shiftX, shiftY).rotate(angle).width(100.dp).height(10.dp).scale(0.6f).alpha(1f)
.background(Color.White.copy(alpha = alpha))
) {
snowFlakeInt(level + 1, 30f, 12.dp, 20.dp, alpha * 0.8f)
snowFlakeInt(level + 1, -30f, 12.dp, -20.dp, alpha * 0.8f)
}
}

36
benchmarks/kn-performance/src/commonMain/resources/compose-multiplatform.xml
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="600dp"
android:height="600dp"
android:viewportWidth="600"
android:viewportHeight="600">
<path
android:pathData="M301.21,418.53C300.97,418.54 300.73,418.56 300.49,418.56C297.09,418.59 293.74,417.72 290.79,416.05L222.6,377.54C220.63,376.43 219,374.82 217.85,372.88C216.7,370.94 216.09,368.73 216.07,366.47L216.07,288.16C216.06,287.32 216.09,286.49 216.17,285.67C216.38,283.54 216.91,281.5 217.71,279.6L199.29,268.27L177.74,256.19C175.72,260.43 174.73,265.23 174.78,270.22L174.79,387.05C174.85,393.89 178.57,400.2 184.53,403.56L286.26,461.02C290.67,463.51 295.66,464.8 300.73,464.76C300.91,464.76 301.09,464.74 301.27,464.74C301.24,449.84 301.22,439.23 301.22,439.23L301.21,418.53Z"
android:fillColor="#041619"
android:fillType="nonZero"/>
<path
android:pathData="M409.45,242.91L312.64,188.23C303.64,183.15 292.58,183.26 283.68,188.51L187.92,245C183.31,247.73 179.93,251.62 177.75,256.17L177.74,256.19L199.29,268.27L217.71,279.6C217.83,279.32 217.92,279.02 218.05,278.74C218.24,278.36 218.43,277.98 218.64,277.62C219.06,276.88 219.52,276.18 220.04,275.51C221.37,273.8 223.01,272.35 224.87,271.25L289.06,233.39C290.42,232.59 291.87,231.96 293.39,231.51C295.53,230.87 297.77,230.6 300,230.72C302.98,230.88 305.88,231.73 308.47,233.2L373.37,269.85C375.54,271.08 377.49,272.68 379.13,274.57C379.68,275.19 380.18,275.85 380.65,276.53C380.86,276.84 381.05,277.15 381.24,277.47L397.79,266.39L420.34,252.93L420.31,252.88C417.55,248.8 413.77,245.35 409.45,242.91Z"
android:fillColor="#37BF6E"
android:fillType="nonZero"/>
<path
android:pathData="M381.24,277.47C381.51,277.92 381.77,278.38 382.01,278.84C382.21,279.24 382.39,279.65 382.57,280.06C382.91,280.88 383.19,281.73 383.41,282.59C383.74,283.88 383.92,285.21 383.93,286.57L383.93,361.1C383.96,363.95 383.35,366.77 382.16,369.36C381.93,369.86 381.69,370.35 381.42,370.83C379.75,373.79 377.32,376.27 374.39,378L310.2,415.87C307.47,417.48 304.38,418.39 301.21,418.53L301.22,439.23C301.22,439.23 301.24,449.84 301.27,464.74C306.1,464.61 310.91,463.3 315.21,460.75L410.98,404.25C419.88,399 425.31,389.37 425.22,379.03L425.22,267.85C425.17,262.48 423.34,257.34 420.34,252.93L397.79,266.39L381.24,277.47Z"
android:fillColor="#3870B2"
android:fillType="nonZero"/>
<path
android:pathData="M177.75,256.17C179.93,251.62 183.31,247.73 187.92,245L283.68,188.51C292.58,183.26 303.64,183.15 312.64,188.23L409.45,242.91C413.77,245.35 417.55,248.8 420.31,252.88L420.34,252.93L498.59,206.19C494.03,199.46 487.79,193.78 480.67,189.75L320.86,99.49C306.01,91.1 287.75,91.27 273.07,99.95L114.99,193.2C107.39,197.69 101.81,204.11 98.21,211.63L177.74,256.19L177.75,256.17ZM301.27,464.74C301.09,464.74 300.91,464.76 300.73,464.76C295.66,464.8 290.67,463.51 286.26,461.02L184.53,403.56C178.57,400.2 174.85,393.89 174.79,387.05L174.78,270.22C174.73,265.23 175.72,260.43 177.74,256.19L98.21,211.63C94.86,218.63 93.23,226.58 93.31,234.82L93.31,427.67C93.42,438.97 99.54,449.37 109.4,454.92L277.31,549.77C284.6,553.88 292.84,556.01 301.2,555.94L301.2,555.8C301.39,543.78 301.33,495.26 301.27,464.74Z"
android:strokeWidth="10"
android:fillColor="#00000000"
android:strokeColor="#083042"
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<path
android:pathData="M498.59,206.19L420.34,252.93C423.34,257.34 425.17,262.48 425.22,267.85L425.22,379.03C425.31,389.37 419.88,399 410.98,404.25L315.21,460.75C310.91,463.3 306.1,464.61 301.27,464.74C301.33,495.26 301.39,543.78 301.2,555.8L301.2,555.94C309.48,555.87 317.74,553.68 325.11,549.32L483.18,456.06C497.87,447.39 506.85,431.49 506.69,414.43L506.69,230.91C506.6,222.02 503.57,213.5 498.59,206.19Z"
android:strokeWidth="10"
android:fillColor="#00000000"
android:strokeColor="#083042"
android:fillType="nonZero"/>
<path
android:pathData="M301.2,555.94C292.84,556.01 284.6,553.88 277.31,549.76L109.4,454.92C99.54,449.37 93.42,438.97 93.31,427.67L93.31,234.82C93.23,226.58 94.86,218.63 98.21,211.63C101.81,204.11 107.39,197.69 114.99,193.2L273.07,99.95C287.75,91.27 306.01,91.1 320.86,99.49L480.67,189.75C487.79,193.78 494.03,199.46 498.59,206.19C503.57,213.5 506.6,222.02 506.69,230.91L506.69,414.43C506.85,431.49 497.87,447.39 483.18,456.06L325.11,549.32C317.74,553.68 309.48,555.87 301.2,555.94Z"
android:strokeWidth="10"
android:fillColor="#00000000"
android:strokeColor="#083042"
android:fillType="nonZero"/>
</vector>

9
benchmarks/kn-performance/src/desktopMain/kotlin/main.desktop.kt
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/*
* Copyright 2020-2021 JetBrains s.r.o. and respective authors and developers.
* Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
*/
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.runBlocking
fun main() = runBlocking(Dispatchers.Main) { runBenchmarks() }

66
benchmarks/kn-performance/src/macosMain/kotlin/main.macos.kt
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import kotlinx.cinterop.ExperimentalForeignApi
import kotlinx.cinterop.objcPtr
import org.jetbrains.skia.*
import platform.Metal.*
import kotlin.coroutines.resume
import kotlin.coroutines.suspendCoroutine
/*
* Copyright 2020-2021 JetBrains s.r.o. and respective authors and developers.
* Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
*/
@OptIn(ExperimentalForeignApi::class)
fun main() {
val graphicsContext = object : GraphicsContext {
private val device = MTLCreateSystemDefaultDevice() ?: throw IllegalStateException("Can't create MTLDevice")
private val commandQueue = device.newCommandQueue() ?: throw IllegalStateException("Can't create MTLCommandQueue")
private val directContext = DirectContext.makeMetal(device.objcPtr(), commandQueue.objcPtr())
private var cachedSurface: Surface? = null
override fun surface(width: Int, height: Int): Surface {
val oldSurface = cachedSurface
if (oldSurface != null && oldSurface.width == width && oldSurface.height == height) {
return oldSurface
}
val descriptor = MTLTextureDescriptor()
descriptor.width = width.toULong()
descriptor.height = height.toULong()
descriptor.usage = MTLTextureUsageShaderRead or MTLTextureUsageShaderWrite or MTLTextureUsageRenderTarget
descriptor.textureType = MTLTextureType2D
descriptor.pixelFormat = MTLPixelFormatBGRA8Unorm
descriptor.mipmapLevelCount = 1UL
val texture = device.newTextureWithDescriptor(descriptor) ?: throw IllegalStateException("Can't create MTLTexture")
val renderTarget = BackendRenderTarget.makeMetal(width, height, texture.objcPtr())
return Surface.makeFromBackendRenderTarget(
directContext,
renderTarget,
SurfaceOrigin.TOP_LEFT,
SurfaceColorFormat.BGRA_8888,
ColorSpace.sRGB,
SurfaceProps(pixelGeometry = PixelGeometry.UNKNOWN)
).also {
cachedSurface = it
} ?: throw IllegalStateException("Can't create Surface")
}
override suspend fun awaitGPUCompletion() {
val commandBuffer = commandQueue.commandBuffer() ?: return
suspendCoroutine { continuation ->
commandBuffer.addCompletedHandler {
continuation.resume(Unit)
}
commandBuffer.commit()
}
}
}
runBenchmarks(graphicsContext = graphicsContext)
}
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