time, compiling
Building Typica with make:
real: 0m30.067s
user: 0m29.518s
sys: 0m1.088s
with make -j 6:
real: 0m20.579s
user: 0m35.057s
sys: 0m1.404s
with make -j 12:
real: 0m20.260s
user: 0m39.467s
sys: 0m1.794s
I'd probably get bigger gains if my source files were smaller and more numerous.