From: klochner Date: 2011-01-28T05:10:22+09:00 Subject: Re: performance question On Jan 27, 11:37 am, Chuck Remes wrote: > Not every runtime we behave the same. You didn't mention which Ruby runtime you are using > > No one can even start to answer your question without knowing the Ruby you are using. > Ruby Enterprise Edition - ruby 1.8.7 (2010-04-19 patchlevel 253) > Secondly, the Ruby code examples you pointed to aren't even necessarily testing what you think they are. Ignoring the between-test comparisons, there is clearly a slowdown after loading rails. My *guess* is that it has to do with the size of ObjectSpace causing a slowdown in function lookup, but again, I was hoping someone here would have a more concrete understanding.