#summary Test of performance with many scripts engines for Java.

= Scripts Tester =

http://cajuscript.googlecode.com/svn/trunk/scriptstester/scriptstester.png

===Output=== {{{

Scripts Tester

Rhino: 797ms - 100000.0 BeanShell: 812ms - 100000 Groovy: 859ms - 100000 JudoScript: 750ms - 100000 Jython: 969ms - 100000 JRuby: 1266ms - 100000 CajuScript: 312ms - 100000 LuaJava: 31ms - 100000.0 }}}

===Source=== {{{ public class ScriptsTester { public static void main(String[] args) { try { System.out.println("======================"); System.out.println("Scripts Tester"); System.out.println("======================"); runTester(100000, "1"); } catch (Exception e) { throw new Error(e); } } public static void runTester(long times, String value) throws Exception { long time = 0; // Rhino time = System.currentTimeMillis(); javax.script.ScriptEngineManager sem = new javax.script.ScriptEngineManager(); javax.script.ScriptEngine e = sem.getEngineByName("rhino"); e.eval("var x = 0; while (x < "+ times +") {x = x + "+ value +";}"); System.out.println("Rhino: "+ (System.currentTimeMillis() - time) + "ms - " + e.get("x")); // BeanShell time = System.currentTimeMillis(); bsh.Interpreter beanShell = new bsh.Interpreter(); beanShell.eval("x = 0; while (x < "+ times +") { x = x + 1; }"); System.out.println("BeanShell: "+ (System.currentTimeMillis() - time) + "ms - " + beanShell.get("x")); // Groovy time = System.currentTimeMillis(); groovy.lang.GroovyShell groovyShell = new groovy.lang.GroovyShell(); groovyShell.setVariable("x", new Integer(0)); groovyShell.evaluate("while (x < "+ times +") {x = x + "+ value +";}"); System.out.println("Groovy: "+ (System.currentTimeMillis() - time) + "ms - " + groovyShell.getVariable("x")); // Judo time = System.currentTimeMillis(); com.judoscript.JudoEngine judo = new com.judoscript.JudoEngine(); judo.runCode("var x = 0; while x < "+ times +" { x = x + "+ value +"; }", null, null); System.out.println("JudoScript: "+ (System.currentTimeMillis() - time) + "ms - " + judo.getBean("x")); // Jython time = System.currentTimeMillis(); org.python.util.PythonInterpreter jython = new org.python.util.PythonInterpreter(); jython.exec("x = 0\r\nwhile x < "+ times +":\r\n\tx = x + "+ value +""); System.out.println("Jython: "+ (System.currentTimeMillis() - time) + "ms - " + jython.get("x")); // JRuby time = System.currentTimeMillis(); org.jruby.Ruby ruby = org.jruby.Ruby.getDefaultInstance(); ruby.getGlobalVariables().set("x", null); ruby.evalScript("$x = 0\r\nwhile $x < "+ times +"\r\n$x = $x + "+ value +"\r\nend"); System.out.println("JRuby: "+ (System.currentTimeMillis() - time) + "ms - "+ ruby.getGlobalVariables().get("$x")); // Caju time = System.currentTimeMillis(); org.cajuscript.CajuScript caju = new org.cajuscript.CajuScript(); caju.eval("x = 0; x < "+ times +" @ x = x + "+ value +"; @"); System.out.println("CajuScript: "+ (System.currentTimeMillis() - time) + "ms - "+ caju.get("x")); // LuaJava time = System.currentTimeMillis(); org.keplerproject.luajava.LuaState L = org.keplerproject.luajava.LuaStateFactory.newLuaState(); L.openLibs(); L.LdoString("x = 0; while x < "+ times +" do x = x + "+ value +" end"); System.out.println("LuaJava: "+ (System.currentTimeMillis() - time) + "ms - "+ L.getLuaObject("x").getNumber()); } } }}}