[racket-dev] A grab-bag of issues

You could set PLT_SETUP_OPTIONS to "-j <N>".

Robby


On Fri, Jul 5, 2013 at 11:07 AM, Sam Tobin-Hochstadt <samth at ccs.neu.edu>wrote:

> On Fri, Jul 5, 2013 at 11:22 AM, Matthew Flatt <mflatt at 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
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