[GRASS-dev] make on SMP [was: GRASS 6.3.0 release preparation]
hamish_nospam at yahoo.com
Wed Oct 17 05:02:57 EDT 2007
Maris Nartiss wrote:
> sorry but I'm not an make guru and thus see it simple: if I run comand
> "make -j4" it should get along with it or fail with "err blah parallel
> buld not supported". Current CVS version does neither of it. As
> multicore CPU's are getting more popular, more and more users will be
> trying to run "make -j X" and thus report failure as bug .
I once heard on multi-processor systems to use "make -j<num proc+1>". That way
it always had a job ready to consume cycles, as you don't have processor
downtime waiting for the processes to be created after the previous one ends.
Can anyone confirm or deny?
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