On Apr 6, 2010, at 1:59 AM, Andrew Dunstan wrote:

> This needs to be profiled. Otherwise we'd just be speculating on possible 
> causes with no real hard data. (This is where tools like oprofile come in 
> handy, but I have no idea if something similar is available on OSX.)

I think OS X has dtrace…but I'd be interested to see if this issue appears on 
other platforms, too.

David


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