epickrram

private static final class Unicorn
    {
        private static int mainMethodLineOfLastPatInvocation = 0;

        private static boolean pat()
        {
            boolean result = false;
            final StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
            final StackTraceElement mainMethodInvocationPoint = stackTrace[3];
            if(mainMethodInvocationPoint.getLineNumber() != mainMethodLineOfLastPatInvocation)

epickrram

static final class Unicorn
    {
        private static int mainMethodLineOfLastPatInvocation = 0;

        private static boolean pat()
        {
            boolean result = false;
            final StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
            final StackTraceElement mainMethodInvocationPoint = stackTrace[3];
            if(mainMethodInvocationPoint.getLineNumber() != mainMethodLineOfLastPatInvocation)

epickrram

private static final class Unicorn
    {
        private static int mainMethodLineOfLastPatInvocation = 0;

        private static boolean pat()
        {
            boolean result = false;
            final StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
            final StackTraceElement mainMethodInvocationPoint = stackTrace[3];
            if(mainMethodInvocationPoint.getLineNumber() != mainMethodLineOfLastPatInvocation)

epickrram

public class BigDecimalBenchmark extends SimpleBenchmark
{
    private static final BigDecimal QUANTITY_DIVISOR = new BigDecimal(100);
    private static final BigDecimal PRICE_DIVISOR = new BigDecimal(1000000);
    private static final BigDecimal QUANTITY_INCREMENT = new BigDecimal("0.001");
    private static final BigDecimal PRICE_INCREMENT = new BigDecimal("0.00001");

    @Override
    protected void setUp() throws Exception
    {

epickrram

import static java.lang.Integer.bitCount;

final class IntervalCalculator
{
    private final int lengthAsPowerOfTwo;
    private final int mask;
    private int lastIntervalSize;
    private int currentIntervalSize;
    private int pointer;

epickrram

@Override
public void writeMessage(final long sequence, final byte[] data, final int length) throws IOException
{
    final long startTime = System.nanoTime();
    delegate.writeMessage(sequence, data, length);
    valueRecorder.recordValue(System.nanoTime() - startTime);
}

epickrram

/*
From http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/687fd7c7986d/src/share/classes/java/io/RandomAccessFile.java#l521
*/
public void seek(long pos) throws IOException {
    if (pos < 0) {
        throw new IOException("Negative seek offset");
    } else {
        seek0(pos);
    }
}

epickrram

/*
From http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/687fd7c7986d/src/share/native/java/io/RandomAccessFile.c#l126
*/
Java_java_io_RandomAccessFile_seek0(JNIEnv *env,
                    jobject this, jlong pos) {

    FD fd;

    fd = GET_FD(this, raf_fd);
    if (fd == -1) {

epickrram

/*
From http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/687fd7c7986d/src/solaris/native/java/io/io_util_md.h#l76
*/
#ifdef _ALLBSD_SOURCE
#define open64 open
#define fstat64 fstat
#define stat64 stat
#define lseek64 lseek
#define ftruncate64 ftruncate
#define IO_Lseek lseek

epickrram

/*
From http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/687fd7c7986d/src/share/classes/java/io/RandomAccessFile.java#l492
*/
public void write(byte b[], int off, int len) throws IOException {
    writeBytes(b, off, len);
}

// ...

/*