installation sets, parallel compression, pigz etc.

[Bjoern Michaelsen]

On Tue, Jun 26, 2012 at 05:02:37PM +0200, Michael Stahl wrote:
> 
> i've noticed that building "archive" installation sets on my machine is
> entirely CPU bound (since everything fits into RAM) and a single "gzip"
> takes up most of the time, so i've toyed around a little with a parallel
> implementation "pigz" (available in Fedora) and a single line change
> makes quite a difference:
> 

Its even worse for xz compression. My release builds (with ccache take 1.5 as
much time to pack as to build):
https://plus.google.com/101094190333184858950/posts/D9x87DkdceD

Best,

Bjoern