John Love-Jensen wrote: > Hi mahmoodn, > >> I mean (I think): >> "Allow N jobs at once" != "reduce compile time" > > Reduces my project's overall compile time on my machine, by a factor of 4. > Might do that on a quad core. A dual core with HyperThreading enabled approaches a factor of 3. OP wants magic without qualification as to platform. Selective optimizations also are important; use -O3 only where it is useful.
