While analyzing Rails performance, I stumbled upon the fact that parsing timestamps in ActiveRecord is very slow (I'll post more about that in an upcoming blog) A bit of...

Yesterday I mentioned that ruby-prof now supports profiling rails applications Lets see how that works But a word of caution before beginning Like all web applications, Rails...

Make sure to grab the latest version of ruby-prof, currently 052, which includes some performance tweaks and bug fixes A year has passed since the last release of ruby-prof If...

Pat Eyler has written a nice set of articles about profiling Ruby code He shows how to use the built in Ruby profiler as well as ruby-prof (my personal favorite :) He talks a...

Update: ruby-prof 050 is now available and has significantly more features than 040, including better threading support, rails support, call tree output, etc After porting...

Yesterday I wanted to profile some methods I'm using on a Rails controller To get a feel for profiling Ruby code I put together a test case, added a "require 'prof'" to the top...