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.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

    public static void main(String[] args) throws Exception {
        long start = System.currentTimeMillis();
        for (;;) {
            Thread.sleep(10);
            System.out.println(System.currentTimeMillis() - start);
        }
    }

apangin

package bench;

import org.openjdk.jmh.annotations.*;

import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.util.stream.IntStream;

@State(Scope.Benchmark)
public class ArrayGet {

apangin

package bench;

import org.openjdk.jmh.annotations.*;

import java.util.Random;

@State(Scope.Benchmark)
public class Blend {

    int foreground = new Random(0).nextInt();

apangin

opcode   length   name
-----------------------------
    0      1      nop
    1      1      aconst_null
    2      1      iconst_m1
    3      1      iconst_0
    4      1      iconst_1
    5      1      iconst_2
    6      1      iconst_3
    7      1      iconst_4