Dan Weston wrote:
Silly or not, if I compile with -threaded, I always link in the
one-liner C file:
char *ghc_rts_opts = "-N2";
so I don't have to remember at runtime whether it should run with 2
cores or not. This just changes the default to 2 cores, so I am still
free to run on only one core with the runtime flags +RTS -N1, though I
rarely need to.
http://www.haskell.org/ghc/docs/latest/html/users_guide/runtime-control.html#rts-hooks
Ah... you learn something useful every day! I was going to ask on IRC
whether there's any way to do this - but now I don't need to bother. :-)
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