Matthew D. Fuller once wrote:

> > On my  dual CPU  system installworld  fails when  run with  -j flag.
> > Buildworld is  fine with  `-j 8', but  installworld does  not handle
> > even `-j 2'. Here is the tail of the -j2 run:
 
> Out of  morbid curiosity, why  exactly do you run  -j'd installworlds?
> Installworld  is practically  100%  diskbound, I'd  expect  it to  run
> SLOWER  when it's  parallelizing and  seeking back  and forth  between
> multiple installs at once.

I did not run actual comparisions, but  it would seem, there is some CPU
work during  installworld, especially with the  -C flag. In any  case, I
usually do ``make world''  and the -j flag applies to  both -- build and
install.

        -mi


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