I haven't benchmarked this, so you should take this with a grain of salt. But, I would be extremely surprised if you found more than a 1% difference in execution time for any non-trivial application.
We are the carpenters and bricklayers of the Information Age.
Then there are Damian modules.... *sigh* ... that's not about being less-lazy -- that's about being on some really good drugs -- you know, there is no spoon. - flyingmoose
I shouldn't have to say this, but any code, unless otherwise stated, is untested