ruby-prof's is one of the oldest gems around, dating all the way back to 2005 I did a fair of development back in 2008 to 2013 but its been six years since I've meaningfully...

Last year I wrote about how to profile your Rails application, which is a lot harder then it seems Its not so much the profiling itself - its easy enough to create one-off...

I'm happy to announce the release of ruby-prof 070, the superfast, open-source, Ruby profiler that helps you find bottlenecks in your Ruby code This release was a joint...

If there were such a thing as the Ten Commandments of programming, code reuse would surely be included Now you're probably thinking I've lost my mind, because any good...

Shugo and I are happy to announce the release of ruby-prof 060 If you haven't used ruby-prof, its a superfast, open-source, profiler for Ruby that shows you where your...

A couple of days ago, Alex Dymo from Pluron sent me an email describing some of the great work he has done optimizing the performance of their online project managment software...

Since returning from FOSS4G, I've been nagged by a question in the back of my mind - can open source succeed in the geospatial world Now you might think I've lost my mind...

Back when I started MapBuzz, there was so little work being done in the open source geospatial world with Ruby and/or Rails that Sean even commented on it Geospatial was the...

I was planning to write about the blub paradox, a term coined by Paul Graham in an essay that argued that programmers can't conceptualize programming languages more powerful...

Last week I showed how to profile a Rails application using ruby-prof The post was driven by our desire to improve MapBuzz's map rendering speed Our nightly log analysis showed...

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...

For MapBuzz browser testing, we need to control the x and y locations of the mouse cursor Selenium didn't support this functionality, so I coded it up one evening and submitted...

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...

Being a good web netizen, every few days I check that my blog and Yue's blog validate using the W3C feed validator (well someone has to serve valid content - of course having...