Jeremi Piotrowski wrote: > That being said: if you do a world rebuild you will have lots of packages > that spend ~40 seconds doing their autoconf run, only to build 2-3 sources > files. On an 8-core machine at work, I get good results using parallel > emerge jobs (emerge -jX). For your 6-core AMD CPU (assuming it actually > has 12 threads) I'd start with 'emerge -j3' and MAKEOPTS='-j12 -l16'. > That should get you a nice speedup, but may require a bit more ram.
emerge -j3 is something I did not think of, I'll try it. But won't that break portage's carefully crafted package dependencies? I suppose you could get occasional build failures? I'm using MAKEOPTS=-j7, I thought 2 threads per CPU (hyperthreading?) was an Intel thing only. raffaele
