Minimising system compiling time

[Robert Kruus]

Or use screen -- you can attach and detach the "screen" at will -- even
logout and check remotely by reattaching the screen session.


-- 
robert.kruus at utoronto.ca
PLUG IT IN!!!

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It is  rumored that on Tue, 5 Apr 2005 17:56:45 +0100
Peter Humphrey <prh at gotadsl.co.uk> wrote:

> I'm running Gentoo on a dual-Opteron box and from time to time I
> decide to recompile the entire system - absolutely everything on the
> disk apart from a handful of binary packages. Needless to say, this
> takes a long time, and I'd like to find the best setup for shortening
> it.
> 
> I assume that using a standard virtual terminal, not running X but
> using the frame buffer, is the slowest because every scroll requires
> a redraw, and there must be many thousands of them, maybe millions
> once I've built a more complete system. So at the moment I'm using
> Terminal in XFce 4.2.1, which doesn't suffer that limitation but X
> does still need to refresh the window a few times a second.
> 
> My questions are: 
> 
> 1.  If I roll the window up so that only the title-bar shows, does
> this reduce the overhead, or does X continue all the same work but
> just not show the result?
> 
> 2.  If the latter, should I set a particular window size to minimise
> the overhead?
> 
> 3.  Is there any better way of removing unnecessary overheads while
> compiling several hundred packages? These include gcc, glibc, Xorg
> etc. which do take more than a couple of minutes.
> 
> I suppose I ought to be able to answer the first two of those by
> peering into the code of Xorg, but I'm sure it would be just slightly
> more efficient to ask for opinions from those who know.      :-)
> 
> TIA
> 


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