ghc --make-parallel ?

Simon Marlow simonmarhaskell at gmail.com
Thu Oct 18 08:27:51 EDT 2007


Johannes Waldmann wrote:

> Can ghc execute compilations in parallel?
> (With  GNU make, I'd say "make -j 2"
> but how to achieve this with "ghc --make" ?)

Sorry, not at the moment.  We implemented a hacky version of it for our 
Haskell Workshop '05 paper:

http://haskell.org/~simonmar/bib/multiproc05_abstract.html

but later concluded that GHC really needed some more substantial 
re-engineering to make it reliable.  There's a ticket for it:

http://hackage.haskell.org/trac/ghc/ticket/910

Cheers,
	Simon


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