GAO, I launched an investigation. You can monitor by following https://bugs.openjdk.java.net/browse/JDK-8041697 .
Cheers, -- Jim On Apr 23, 2014, at 3:40 AM, 高寒 <[email protected]> wrote: > Dears > > I found if the script is evaled with binding, the execution time increased > a lot. > Do you know the reason? > Check this > > String script_text = "var a = 1"; > > ScriptEngineManager manager = new ScriptEngineManager(); > ScriptEngine engine = manager.getEngineByName("js"); > CompiledScript script = ((Compilable) engine).compile(script_text); > > Bindings bindings = engine.createBindings(); > > long dt = new Date().getTime(); > for (int i = 0; i < 100000; i++) { > script.eval(); > //script.eval(bindings); // switch to this line and feel the > slow speed, > } > System.out.println(new Date().getTime() - dt); > > -- > Best wishes > GAO
