Nikos Chantziaras wrote: > On 08/03/2009 03:11 PM, Walter Dnes wrote: >> On Sun, Aug 02, 2009 at 09:10:49PM +0300, Nikos Chantziaras wrote >> >>> Note that by doing so you will be using -j1 for every future version >>> of duma. That means, if the problem gets fixed, you'll still be >>> using -j1. >> >> Actually, I put -j1 into my make.conf after being bitten by -j2 a few >> times. It doesn't slow down the emerge that much, and doesn't slow down >> the compiled program at all. And the big thing is that it has probably >> saved me from wasting time trying to track down weird emerge failures. > > Well, that's you. -j2 needs only 1/2 of the time to emerge things on > this machine, and -j4 only 1/4 on a 4 core machine. > > So my advice for others is to not take Walter's advice and use -j1 > because "it doesn't slow down the emerge that much". It can slow it > down. Up to four times slower. > > >
But if he has a single CPU system, it won't matter that much. I have always heard that it should be set to number of CPU's plus 1. Mine is set to 2 since I have a single CPU rig. This is one of those situations where it depends on the system you have. Dale :-) :-)
