On Saturday, August 15, 2015 at 9:54:21 AM UTC-4, Matthew Flatt wrote:
> At Sat, 15 Aug 2015 06:37:21 -0700 (PDT), Brian Adkins wrote:
> > The Raspberry Pi has a 4 core CPU, so it pains me to see it pegged at
> > only 25% this whole time. Is it possible to build Racket from Unix
> > Source in parallel to get all 4 cores fired up?
> 
> You can use
> 
>  make install PLT_SETUP_OPTIONS="-j 4"
> 
> to build bytecode and documentation with 4 processes.
> 
> 
> (Parallelism is probably no help when building from the the "Unix Source
> + Built Packages" distribution, though.)

Good to know - thanks! I decided to nuke the build process, download the source 
w/ prebuilt packages and start over. I take it the reason the -j 4 won't help 
is that it's only for compiling Racket code into bytecode and doesn't affect 
the C compilation.

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