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Computer Language Benchmarks Game      [[ Play ]]

- all benchmarks - n-body fannkuch-redux meteor-contest fasta fasta-redux spectral-norm reverse-complement mandelbrot k-nucleotide regex-dna pidigits chameneos-redux thread-ring binary-trees-redux binary-trees - all languages - Ada 2005 GNAT ATS C gcc Clojure C# Mono C++ g++ Dart Erlang HiPE F# Mono Fortran Intel Go Haskell GHC Java 7 JavaScript V8 Lisp SBCL Lua OCaml Pascal Free Pascal Perl PHP Python 3 Racket Ruby 2.0 Ruby JRuby Scala Smalltalk VisualWorks x86 one core x64 quad-core x86 quad-core x64 one core

 performance measurements

Each table row shows performance measurements for this Scala program with a particular command-line input value N.

N	CPU secs	Elapsed secs	Memory KB	Code B	≈ CPU Load
500,000	Failed			296

Read the ↓ make, command line, and program output logs to see how this program was run.

Read thread-ring benchmark to see what this program should do.

 notes

java version "1.7.0_11"
Java(TM) SE Runtime Environment (build 1.7.0_11-b21)
Java HotSpot(TM) 64-Bit Server VM (build 23.6-b04, mixed mode)

Scala compiler version 2.10.0 -- Copyright 2002-2012, LAMP/EPFL

 thread-ring Scala program source code

/* The Computer Language Benchmarks Game
   http://benchmarksgame.alioth.debian.org/

   Contributed by Vincent Kraeutler
   updated for 2.8 by Rex Kerr
*/
import scala.actors.Actor
import scala.actors.Actor._

object threadring {

  class Thread(val label: Int) extends Actor {
    var next: Thread = null
    def act() { loop { react {
      case 0 => println(label); System.exit(0)
      case n: Int => next ! n - 1
    }}}
  }

  // create the threads
  val ring = Array.tabulate(503)(i => new Thread(i + 1))

  // hook them up
  ring.foreach(t => {
    t.next = ring( t.label % ring.length )
    t.start
  })

  def main(args : Array[String]) {
    val nHops = args(0).toInt
    ring(0) ! nHops
  }

}

 make, command-line, and program output logs

Sat, 26 Jan 2013 04:34:34 GMT

MAKE:
mv threadring.scala threadring.scala
mv: `threadring.scala' and `threadring.scala' are the same file
make: [threadring.scala_run] Error 1 (ignored)
/usr/local/src/scala-2.10.0/bin/scalac -optimise -target:jvm-1.7 threadring.scala
6.73s to complete and log all make actions

COMMAND LINE:
 /usr/local/src/jdk1.7.0_11/bin/java -server -XX:+TieredCompilation -XX:+AggressiveOpts  -Xbootclasspath/a:/usr/local/src/scala-2.10.0/lib/scala-library.jar:/usr/local/src/scala-2.10.0/lib/akka-actors.jar:/usr/local/src/scala-2.10.0/lib/typesafe-config.jar threadring 500000

PROGRAM FAILED 


PROGRAM OUTPUT:

Exception in thread "main" java.lang.NoClassDefFoundError: scala/actors/Actor
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2442)
	at java.lang.Class.getMethod0(Class.java:2685)
	at java.lang.Class.getMethod(Class.java:1620)
	at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
Caused by: java.lang.ClassNotFoundException: scala.actors.Actor
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
	... 18 more

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