16 Mar
2015
16 Mar
'15
10:05 a.m.
On 09.03.2015, Martin Cigorraga wrote:
Just a minor clarification: when compiling, the -j flag should point to a unit above your available cores in order to fully utilize all of them.
Curious what would happen, I remembered this mail when compiling a new kernel today. A "nice -n 19 make -j" opened *hundreds* of cc incarnations, pushed the load to over 800 and seriously blocked the machine (an 8-core Xeon with 16 GB of RAM) within *seconds*!