forked from kscience/kmath
Moved JMH out of core
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@ -1,6 +1,5 @@
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plugins {
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id 'kotlin-multiplatform'// version '1.3.0-rc-116'
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id "me.champeau.gradle.jmh" version "0.4.7"
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id 'kotlin-multiplatform'
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}
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repositories {
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@ -8,14 +7,9 @@ repositories {
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mavenCentral()
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}
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dependencies{
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jmh 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
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}
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kotlin {
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targets {
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fromPreset(presets.jvmWithJava, 'jvm')
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//fromPreset(presets.jvm, 'jvm')
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fromPreset(presets.jvm, 'jvm')
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fromPreset(presets.js, 'js')
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// For ARM, preset should be changed to presets.iosArm32 or presets.iosArm64
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// For Linux, preset should be changed to e.g. presets.linuxX64
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15
kmath-jmh/build.gradle
Normal file
15
kmath-jmh/build.gradle
Normal file
@ -0,0 +1,15 @@
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plugins {
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id "java"
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id "kotlin"
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id "me.champeau.gradle.jmh" version "0.4.7"
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}
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repositories {
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maven { url = 'http://dl.bintray.com/kotlin/kotlin-eap' }
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mavenCentral()
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}
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dependencies {
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implementation project(':kmath-core')
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jmh 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
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}
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@ -0,0 +1,53 @@
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package scientifik.kmath.structures
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import org.openjdk.jmh.annotations.*
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import java.nio.IntBuffer
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@Fork(1)
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@Warmup(iterations = 2)
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@Measurement(iterations = 5)
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@State(Scope.Benchmark)
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open class ArrayBenchmark {
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lateinit var array: IntArray
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lateinit var arrayBuffer: IntBuffer
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lateinit var nativeBuffer: IntBuffer
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@Setup
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fun setup() {
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array = IntArray(10000) { it }
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arrayBuffer = IntBuffer.wrap(array)
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nativeBuffer = IntBuffer.allocate(10000)
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for (i in 0 until 10000) {
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nativeBuffer.put(i,i)
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}
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}
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@Benchmark
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fun benchmarkArrayRead() {
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var res = 0
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for (i in 1..10000) {
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res += array[10000 - i]
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}
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print(res)
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}
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@Benchmark
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fun benchmarkBufferRead() {
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var res = 0
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for (i in 1..10000) {
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res += arrayBuffer.get(10000 - i)
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}
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print(res)
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}
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@Benchmark
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fun nativeBufferRead() {
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var res = 0
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for (i in 1..10000) {
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res += nativeBuffer.get(10000 - i)
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}
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print(res)
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}
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}
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@ -10,4 +10,5 @@ enableFeaturePreview('GRADLE_METADATA')
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rootProject.name = 'kmath'
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include ':kmath-core'
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include ':kmath-jmh'
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