Variability in build times.

Uwe Düffert dueffert at
Tue Oct 19 14:10:39 PDT 2010

On Tue, 19 Oct 2010, Ken Moffat wrote:

> So, on the assumption that this variability is a uniprocessor
> feature, I'll conclude that a lightly loaded desktop can have at
> least a 15% range of build times.
Well, after all, do you really think this is astonishing? On a single core 
machine just (constantly) moving the mouse can easily (depending on the 
system) cost a few percent of cpu resources. If consistent build times are 
a concern I would never have thought about starting X at all. Even on my 
dual core machine I only have a few console screens (may be running 
midnight commander) during builds. Its not really a concern with multiple 
cores (as measurements show), but on a single one it is for sure.


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