1 |
On Wed, 22 Nov 2017 08:26:01 +0100, Jeremi Piotrowski wrote: |
2 |
|
3 |
> That being said: if you do a world rebuild you will have lots of |
4 |
> packages that spend ~40 seconds doing their autoconf run, only to build |
5 |
> 2-3 sources files. On an 8-core machine at work, I get good results |
6 |
> using parallel emerge jobs (emerge -jX). For your 6-core AMD CPU |
7 |
> (assuming it actually has 12 threads) I'd start with 'emerge -j3' and |
8 |
> MAKEOPTS='-j12 -l16'. That should get you a nice speedup, but may |
9 |
> require a bit more ram. |
10 |
|
11 |
Instead of specifying a number of jobs with "-j 3" you can let portage |
12 |
work it out. On a similar system, I use |
13 |
|
14 |
EMERGE_DEFAULT_OPTS="--jobs --load-average 12" |
15 |
|
16 |
|
17 |
-- |
18 |
Neil Bothwick |
19 |
|
20 |
"An investment in knowledge always pays the best interest." - Benjamin |
21 |
Franklin |