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Re:The Problem with Friendly C by lmm on Thursday December 24, 2015 @05:47AM (#10787771)
> You can get essentially this by turning on -O0 and compiling, say, Firefox. This is done in debugging, and it's a terrible browsing experience.

Which says more about Firefox than it does about -O0. I've run Seamonkey on 3x-5x slower machines than I use these days and it's been fine.

Re:The Problem with Friendly C by pcwalton on Thursday December 24, 2015 @10:51AM (#10788502)
Gecko is what mostly benefits from the optimizations, and Gecko is the largest component shared between SeaMonkey and Firefox. I don't believe SeaMonkey at -O0 is an acceptable experience.