apangin

_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

apangin

package bench;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Threads;
import sun.misc.Unsafe;

apangin

const int ASSERT = 0
const int STACK_BIAS = 0
const int oopSize = 8
const int LogBytesPerWord = 3
const int BytesPerWord = 8
const int BytesPerLong = 8
const int LogKlassAlignmentInBytes = 3
const int ageTable::table_size = 16
const int BarrierSet::ModRef = 0
const int BarrierSet::CardTableModRef = 1

apangin

package bench;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import sun.misc.Unsafe;

import java.lang.reflect.Field;

apangin

/*
 * Compile: gcc -I $JAVA_HOME/include -I $JAVA_HOME/include/linux -shared -fPIC -O3 -olibrafpatch.so -Wl,-soname,librafpatch.so rafpatch.c $JAVA_HOME/lib/amd64/libjava.so
 * Run:     java -agentpath:/path/to/librafpatch.so MainClass
 */

#include <jvmti.h>
#include <jni.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

apangin

package bench;

import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;

@State(Scope.Thread)
public class InliningBenchmark {
    static volatile int value = 20;

apangin

/*
 * Copyright (C) 2014 Brett Wooldridge, Andrei Pangin
 *
 * 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
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

apangin

package lz4;

import static lz4.LZ4Common.*;

public class LZ4Array {

    private static long getLong(byte[] b, int p) {
        return (b[p] & 0xffL)
                | (b[p + 1] & 0xffL) << 8
                | (b[p + 2] & 0xffL) << 16

apangin

package bench;

import org.openjdk.jmh.annotations.*;
import java.util.*;
import java.util.stream.Collectors;
import java.util.stream.IntStream;

@State(Scope.Benchmark)
public class ListIndexOf {
    private static final Random random = new Random(0);

apangin

import com.sun.tools.attach.VirtualMachine;

import java.nio.file.Paths;

public class InjectAgent {

    public static void main(String[] args) throws Exception {
        String PID = args[0];
        String agentJar = Paths.get("retransformer.jar").toAbsolutePath().toString();