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@apangin
apangin / HotSpot JVM intrinsics
Last active May 11, 2023 18:32
HotSpot JVM intrinsics
_hashCode java/lang/Object.hashCode()I
_getClass java/lang/Object.getClass()Ljava/lang/Class;
_clone java/lang/Object.clone()Ljava/lang/Object;
_dabs java/lang/Math.abs(D)D
_dsin java/lang/Math.sin(D)D
_dcos java/lang/Math.cos(D)D
_dtan java/lang/Math.tan(D)D
_datan2 java/lang/Math.atan2(DD)D
_dsqrt java/lang/Math.sqrt(D)D
_dlog java/lang/Math.log(D)D
@raphw
raphw / FieldBenchmark.java
Last active March 4, 2024 00:14
Java MethodHandle and reflection benchmark
package benchmark;
import org.openjdk.jmh.annotations.*;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.util.concurrent.TimeUnit;
@nicoulaj
nicoulaj / pom.xml
Created May 4, 2013 11:07
Using JMH in a Maven project.
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<!-- Benchmark code goes into src/test/java -->
<dependencies>
<dependency>