I'll adjust the default Makefile target so that if CPUS=<N> is provided, then it recurs with both `-j <N>' and `PLT_SETUP_OPTIONS="-j <N>".'
At Fri, 5 Jul 2013 11:12:23 -0500, Robby Findler wrote: > You could set PLT_SETUP_OPTIONS to "-j <N>". > > Robby > > > On Fri, Jul 5, 2013 at 11:07 AM, Sam Tobin-Hochstadt <sa...@ccs.neu.edu>wrote: > > > On Fri, Jul 5, 2013 at 11:22 AM, Matthew Flatt <mfl...@cs.utah.edu> wrote: > > > > > >> * Similarly, that build shows that Racket detects itself as having > > >> many more CPUs than it actually has. > > > > > > On Linux, the processor count comes from sysconf(_SC_NPROCESSORS_ONLN). > > > Should Racket use something else? > > > > I talked to the Travis people, and it's just a limitation of the > > virtualization software they're using, that it reports the underlying > > hardware number. > > > > This suggests that maybe there should be a CPU=N argument to the > > top-level Makefile to control how many processors `raco setup` uses. > > Annoyingly, this can't be detected from the -j argument to `make` [1]. > > > > Sam > > > > [1] http://stackoverflow.com/q/10898528/349661 > > _________________________ > > Racket Developers list: > > http://lists.racket-lang.org/dev > > _________________________ Racket Developers list: http://lists.racket-lang.org/dev
