| 1 |
On Tue, Mar 24, 2015 at 03:01:14PM -0400, Fernando Rodriguez wrote |
| 2 |
> |
| 3 |
> Let me know if you have any luck with pump mode, I didn't. IIRC it |
| 4 |
> sort of worked but most compiles fell back to compiling locally so |
| 5 |
> it's was actually slower. The rest of this post (or parts) may not |
| 6 |
> apply if you do get it working. |
| 7 |
> |
| 8 |
> I've also found that I get better performance without the -l N on |
| 9 |
> MAKEPOTS and specifying the number of cores per host as follows: |
| 10 |
> |
| 11 |
> distcc-config --set-hosts "192.168.123.251/4" |
| 12 |
> |
| 13 |
> It may not matter if you got only one host. Also change the -j N flag |
| 14 |
> accordingly. You'll need to do some testing to find the right number, |
| 15 |
> I've find that between 4 to 8 cores per physical core works best (for |
| 16 |
> some reason varies between hosts). Just look for the right number, |
| 17 |
> you'll know when you see the CPU usage maxing on the hosts during a |
| 18 |
> parallel build. Keep in mind that most makefiles don't do a lot of |
| 19 |
> parallel compiling so you need to use the monitor utility to check |
| 20 |
> during a busy time. |
| 21 |
|
| 22 |
Annoying discovery... crossdev is picky about the syntax... |
| 23 |
|
| 24 |
crossdev -S -t i686-pc-linux-gnu |
| 25 |
|
| 26 |
...builds the latest stable toolchain, which is currently gcc 4.8.3 |
| 27 |
|
| 28 |
crossdev -t -S i686-pc-linux-gnu |
| 29 |
|
| 30 |
...does not complain about any errors... but it builds the absolute |
| 31 |
latest toolchain, which is currently gcc 4.9.2 :( |
| 32 |
|
| 33 |
-- |
| 34 |
Walter Dnes <waltdnes@××××××××.org> |
| 35 |
I don't run "desktop environments"; I run useful applications |
Archives