"trustin" wrote : | | for (int i = 0; i < str.length(); i ++) { | buf.putChar(str.charAt(i)); | } Well... UTF-8 is just putting a sequence of bytes generated from bitwise operations on the chars? So should be fast right? Maybe the overhead is due to the creation of the encoder class etc, I don't really know I haven't profiled it yet... Maybe we should just write our own encoding that writes directly onto a SimpleString... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4150819#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...