Intellij performance benchmark (#2009)

benchmarks-intellij/README.md

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+To start performance tests:  
+`./gradlew runIde`

benchmarks-intellij/build.gradle.kts

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+import org.jetbrains.compose.compose
+
+plugins {
+    id("org.jetbrains.intellij") version "1.3.0"
+    java
+    kotlin("jvm")
+    id("org.jetbrains.compose")
+    id("idea")
+}
+
+group = "org.jetbrains.compose.intellij.platform"
+version = "1.0-SNAPSHOT"
+
+repositories {
+    mavenCentral()
+    google()
+    maven { url = uri("https://maven.pkg.jetbrains.space/public/p/compose/dev") }
+}
+
+dependencies {
+//    compileOnly(compose.desktop.currentOs) runtime dependency is provided by org.jetbrains.compose.intellij.platform
+    testImplementation(kotlin("test"))
+}
+
+// See https://github.com/JetBrains/gradle-intellij-plugin/
+intellij {
+    version.set("2021.3")
+    plugins.set(
+        listOf(
+            "org.jetbrains.compose.intellij.platform:0.1.0",
+            "org.jetbrains.kotlin"
+        )
+    )
+}
+
+tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
+    kotlinOptions.jvmTarget = "11"
+}

benchmarks-intellij/gradle.properties

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+kotlin.stdlib.default.dependency=false
+kotlin.code.style=official
+kotlin.version=1.6.10
+compose.version=1.1.0
+

benchmarks-intellij/gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

benchmarks-intellij/gradlew

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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 "$JAVACMD" "$@"

benchmarks-intellij/gradlew.bat

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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%" == "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%"=="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!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

benchmarks-intellij/settings.gradle.kts

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+rootProject.name = "ComposeBenchmarks"
+
+pluginManagement {
+    plugins {
+        kotlin("jvm").version(extra["kotlin.version"] as String)
+        id("org.jetbrains.compose").version(extra["compose.version"] as String)
+    }
+}

benchmarks-intellij/src/main/kotlin/com/jetbrains/compose/LifecycleListener.kt

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+/*
+ * Copyright 2020-2022 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.
+ */
+
+package com.jetbrains.compose
+
+import com.intellij.ide.impl.ProjectUtil
+import com.intellij.openapi.application.invokeLater
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.wm.RegisterToolWindowTask
+import com.intellij.openapi.wm.ToolWindow
+import com.intellij.openapi.wm.ToolWindowAnchor
+import com.intellij.openapi.wm.ToolWindowManager
+import com.jetbrains.compose.benchmark.BenchmarkToolWindow
+import kotlinx.coroutines.*
+import kotlinx.coroutines.swing.Swing
+import java.nio.file.Files
+import kotlin.random.Random
+
+private val ANCHORS = listOf(ToolWindowAnchor.LEFT, ToolWindowAnchor.BOTTOM, ToolWindowAnchor.RIGHT)
+private val SIDE_TOOLS = listOf(true, false)
+private val COUNT = ANCHORS.size * SIDE_TOOLS.size
+
+class LifecycleListener : com.intellij.ide.AppLifecycleListener {
+
+    private val swingScope = CoroutineScope(SupervisorJob() + Dispatchers.Swing)
+    private lateinit var tempProject: Project
+    private val toolWindowIds: MutableList<String> = mutableListOf()
+
+    init {
+        swingScope.launch {
+            invokeLater {
+                val tempDir = Files.createTempDirectory("idea_project")
+                tempProject = ProjectUtil.openOrImport(tempDir)
+                val toolWindowManager = ToolWindowManager.getInstance(tempProject)
+                for (anchor in ANCHORS) {
+                    for (sideTool in SIDE_TOOLS) {
+                        val id = "Compose${toolWindowIds.size}"
+                        toolWindowIds.add(id)
+                        val toolWindow: ToolWindow = toolWindowManager.registerToolWindow(
+                            RegisterToolWindowTask(
+                                id = id,
+                                anchor = anchor,
+                                component = null,
+                                sideTool = sideTool,
+                                canCloseContent = true,
+                                canWorkInDumbMode = true,
+                                icon = null,
+                                shouldBeAvailable = true,
+                                contentFactory = BenchmarkToolWindow(),
+                            )
+                        )
+                    }
+                }
+                performanceDialog.show()
+            }
+            while (true) {
+                try {
+                    delay(500)
+                    val toolWindowManager = ToolWindowManager.getInstance(tempProject)
+                    val toolWindows = toolWindowIds.mapNotNull {
+                        toolWindowManager.getToolWindow(it)
+                    }
+                    stressTestToolWindows(toolWindows)
+                } catch (t: Throwable) {
+                    // do nothing
+                }
+            }
+        }
+    }
+}
+
+suspend fun stressTestToolWindows(toolWindows: List<ToolWindow>) {
+    while (performanceDialog.isPaused().not()) {
+        val visiblePanelsCount = toolWindows.count { it.isVisible }
+        delay(200)
+        doMeasure("$visiblePanelsCount panels")
+        delay(200)
+        toolWindows.forEach {
+            if (Random.nextBoolean()) {
+                if (it.isVisible.not()) {
+                    it.show()
+                }
+            } else {
+                if (it.isVisible) {
+                    it.hide()
+                }
+            }
+        }
+    }
+}

benchmarks-intellij/src/main/kotlin/com/jetbrains/compose/benchmark/BenchmarkToolWindow.kt

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+/*
+ * Copyright 2020-2022 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.
+ */
+
+package com.jetbrains.compose.benchmark
+
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.ui.awt.ComposePanel
+import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.project.DumbAware
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.wm.ToolWindow
+import com.intellij.openapi.wm.ToolWindowFactory
+import com.intellij.ui.content.ContentFactory
+import java.awt.Dimension
+
+class BenchmarkToolWindow : ToolWindowFactory, DumbAware {
+
+    override fun createToolWindowContent(project: Project, toolWindow: ToolWindow) {
+        ApplicationManager.getApplication().invokeLater {
+            toolWindow.contentManager.addContent(
+                ContentFactory.SERVICE.getInstance().createContent(
+                    ComposePanel().apply {
+                        size = Dimension(300, 300)
+                        setContent {
+                            CounterPanel(stateWithIdeLifecycle)
+                        }
+                    },
+                    "Compose tool window",
+                    false
+                )
+            )
+        }
+    }
+
+    companion object {
+        val stateWithIdeLifecycle = mutableStateOf(CounterState())
+    }
+
+}

benchmarks-intellij/src/main/kotlin/com/jetbrains/compose/benchmark/CounterPanel.kt

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+/*
+ * Copyright 2020-2022 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.
+ */
+
+package com.jetbrains.compose.benchmark
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.material.Button
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.*
+
+@Composable
+fun CounterPanel(stateWithIdeLifecycle: MutableState<CounterState>) {
+    var stateInline by remember { mutableStateOf(CounterState()) }
+    Column {
+        Text("Counter with IDE lifecycle: ${stateWithIdeLifecycle.value.counter}")
+        Button(onClick = {
+            stateWithIdeLifecycle.value = stateWithIdeLifecycle.value.copy(
+                counter = stateWithIdeLifecycle.value.counter + 1
+            )
+        }) {
+            Text("Increment state with IDE lifecycle")
+        }
+        Text("Counter with @Composable lifecycle: ${stateInline.counter}")
+        Button(onClick = {
+            stateInline = stateInline.copy(
+                counter = stateInline.counter + 1
+            )
+        }) {
+            Text("Increment state with @Composable lifecycle")
+        }
+    }
+}

benchmarks-intellij/src/main/kotlin/com/jetbrains/compose/benchmark/CounterState.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2020-2022 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.
+ */
+
+package com.jetbrains.compose.benchmark
+
+data class CounterState(
+    val counter: Int = 0
+)

benchmarks-intellij/src/main/kotlin/com/jetbrains/compose/benchmark/PerformanceInfoDialog.kt

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2020-2022 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.
+ */
+package com.jetbrains.compose.benchmark
+
+import com.intellij.openapi.ui.DialogWrapper
+import com.intellij.ui.components.JBTextArea
+import com.intellij.ui.dsl.builder.panel
+import javax.swing.JComponent
+
+class PerformanceInfoDialog : DialogWrapper(true) {
+    private val jbTextArea = JBTextArea()
+    private var pause: Boolean = false
+
+    init {
+        title = "PerformanceInfoDialog"
+        size.setSize(800.0, 800.0)
+        init()
+    }
+
+    public fun setText(text: String) {
+        jbTextArea.text = text
+    }
+
+    public fun isPaused() = pause
+
+    override fun createCenterPanel(): JComponent = panel {
+        row {
+            cell(jbTextArea)
+        }
+        row {
+            button("Pause") {
+                pause = !pause
+            }
+        }
+    }
+}

benchmarks-intellij/src/main/kotlin/com/jetbrains/compose/measure.kt

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2020-2022 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.
+ */
+
+package com.jetbrains.compose
+
+import com.jetbrains.compose.benchmark.PerformanceInfoDialog
+import java.lang.management.ManagementFactory
+import java.util.concurrent.ConcurrentHashMap
+
+val performanceDialog = PerformanceInfoDialog()
+private val runtime = Runtime.getRuntime()
+private val measurements: MutableMap<String, Measure> = ConcurrentHashMap()
+
+class Measure(val averageMemory: Double = 0.0, val systemLoad: Double = 0.0, val count: Int = 0)
+
+fun doMeasure(key: String) {
+    runtime.gc()
+    val memory = runtime.totalMemory() - runtime.freeMemory()
+    val systemLoad = ManagementFactory.getOperatingSystemMXBean().systemLoadAverage
+    val previous = measurements.getOrDefault(key, Measure())
+    val current =
+        Measure(
+            averageMemory = ((previous.averageMemory * previous.count) + memory) / (previous.count + 1),
+            systemLoad = ((previous.systemLoad * previous.count) + systemLoad) / (previous.count + 1),
+            count = previous.count + 1
+        )
+    measurements[key] = current
+
+    performanceDialog.setText(
+        buildString {
+            measurements.entries.sortedBy { it.key }.forEach { (key, measure) ->
+                appendLine("---------")
+                appendLine("$key:")
+                appendLine("memory: " + String.format("%.1f MB", measure.averageMemory / 1e6f))
+                appendLine("system load: " + String.format("%.3f", measure.systemLoad) + " % ")
+                appendLine("")
+            }
+        }
+    )
+}

benchmarks-intellij/src/main/resources/META-INF/plugin.xml

@@ -0,0 +1,19 @@
+<idea-plugin>
+    <id>com.jetbrains.ComposeDemoPlugin</id>
+    <name>Jetpack Compose for Desktop Demo</name>
+    <vendor email="support@jetbrains.com" url="http://www.jetbrains.com">JetBrains</vendor>
+
+    <description><![CDATA[
+A plugin demonstrates Jetpack compose capabilities on IntelliJ Platform
+    ]]></description>
+
+    <!-- please see https://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/plugin_compatibility.html
+         on how to target different products -->
+    <depends>com.intellij.modules.platform</depends>
+    <depends>org.jetbrains.compose.intellij.platform</depends>
+    <depends>org.jetbrains.kotlin</depends>
+
+    <applicationListeners>
+        <listener class="com.jetbrains.compose.LifecycleListener" topic="com.intellij.ide.AppLifecycleListener"/>
+    </applicationListeners>
+</idea-plugin>