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  0x000000010be89ca3: jmpq   0x000000010be89d1e  ;*iload_1
                                                ; - com.logentries.blog.VolatileClass::run@2 (line 12)

  0x000000010be89ca8: vmovsd 0x10(%rsi),%xmm0   ; implicit exception: dispatches to 0x000000010be89eae
  0x000000010be89cad: vmovq  %xmm0,%rdx         ;*getfield a
                                                ; - com.logentries.blog.VolatileClass::run@13 (line 13)

  0x000000010be89cb2: movabs $0x1,%r10
  0x000000010be89cbc: add    %r10,%rdx
  0x000000010be89cbf: mov    %rdx,0x40(%rsp)

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  0x000000010d6895e3: jmpq   0x000000010d68963c  ;*iload_3
                                                ; - com.logentries.blog.VolatileClass::run@2 (line 13)

  0x000000010d6895e8: vmovsd 0x10(%rsi),%xmm0   ; implicit exception: dispatches to 0x000000010d6897ce
  0x000000010d6895ed: vmovq  %xmm0,%rdx         ;*getfield a
                                                ; - com.logentries.blog.VolatileClass::run@12 (line 14)

  0x000000010d6895f2: inc    %edi

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  0x0000000104287223: jmpq   0x0000000104287276  ;*iload_3
                                                ; - com.logentries.blog.NonVolatileClass::run@2 (line 13)

  0x0000000104287228: mov    0x10(%rsi),%rdx    ;*getfield a
                                                ; - com.logentries.blog.NonVolatileClass::run@12 (line 14)
                                                ; implicit exception: dispatches to 0x00000001042873fe
  0x000000010428722c: inc    %edi

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public class NonVolatileClass implements Runnable {

    public long a;

    @Override
    public void run() {
        long b;
        for (int i = 0; i < 1E9; i++) {
            b = a;
        }

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public class VolatileClass implements Runnable {

    public volatile long a;

    @Override
    public void run() {
        long b;
        for (int i = 0; i < 1E9; i++) {
            b = a;
        }

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# Run complete. Total time: 00:01:11

Benchmark                               Mode  Cnt          Score         Error  Units
JMHBenchmark.padded                    thrpt   25  728583552.130 ± 4268366.821  ops/s
JMHBenchmark.padded:updatePaddedA      thrpt   25  363537357.980 ± 2313491.132  ops/s
JMHBenchmark.padded:updatePaddedB      thrpt   25  365046194.150 ± 2045685.311  ops/s
JMHBenchmark.unpadded                  thrpt   25  148478851.964 ± 2746611.843  ops/s
JMHBenchmark.unpadded:updateUnpaddedA  thrpt   25   74249061.512 ± 1926331.358  ops/s
JMHBenchmark.unpadded:updateUnpaddedB  thrpt   25   74229790.452 ± 1126025.534  ops/s

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@JsonIgnoreProperties(ignoreUnknown = true)
public class  {

    public Integer getValue();
    
    public UUID getTransactionId();
}

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package com.logentries.scala

import org.apache.log4j.LogManager

object Main {

  def main(args: Array[String]) {
    val log = LogManager.getRootLogger()
    log.debug("Hello, Scala world!")
    Thread.sleep(1000)

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1 ; SLIME 20100404
2 user> (ns le-example.core)
3 nil                                                                                                                                                                                                             
4 le-example.core> (print-some-logs)
5 nil                                                                                                                                                                                                             
6 le-example.core> 

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(ns le-example.core
  (:use [clojure.tools.logging :only (info)])
  (:gen-class))

(defn print-some-logs []
  (dotimes [n 10]
    (info "Hello, logger!")))