~robcee/ more than just sandwiches

Mac Optimized Builds of Firefox

A couple of weeks ago I came across a reference to Mac Optimized Builds of Firefox. There’s a long tradition of community-based builds of Firefox for the Mac dating back to the PowerPC days.
A lot’s changed since those dark days, however. To say that we spend a lot of energy doing performance analysis is a [...]


Firebug and the JIT

One thing we hear a lot from Firebug users is that Firebug slows down Firefox. When Firebug is active, particularly when you’ve enabled the Console/Script panels, some pages perform much more slowly. Enabling these panels turns on all of our debugging hooks, so some slowdown isn’t surprising, but what may surprise you is that, in [...]


Velocity 09

Last week Honza and I went to San Jose, CA for Velocity 09 to hang out and take in some of the excellent presentations taking place there.
I can say without hyperbole that this was the best conference I’ve attended. The presentations were from people doing real large-scale web development and included a fair amount of [...]


Firebug Performance By The Numbers

One of the goals we had recently was to get some idea of the performance characteristics of Firebug in its various operating states within Firefox. I spent some time a couple of weeks ago running some performance tests in Dromaeo and Talos and came up with some interesting numbers and graphs. Rather than rehash the [...]