Bulat Ziganshin wrote:
Hello Joel,
Thursday, April 5, 2007, 1:33:27 PM, you wrote:
my sentence should be read as "is it true...?" - i had lost a track
whether it was incorporated in GHC or not. the idea is that GHC should be
extended to be able to write out dependencies list built in the --make
mode. Then rather simple scripts may be used to distribute the work
among many cores/boxes
who can enlighten me about presence/absence of multi-core GHC support?
GHC itself doesn't support multithreaded --make compilation. I have some old
patches to do this, which I used for the measurements in the Haskell Workshop
2005 paper, but it was never completely robust.
This is one reason I wrote the 'setup makefile' patch for Cabal[1] recently.
With that patch you can get parallel compilation on a multiprocessor using 'make
-j' when using Cabal. (I know that not everyone has make, it isn't intended to
be a portable solution - the ultimate goal is to use Cabal in GHC's build
system, where you need make anyway).
Cheers,
Simon
[1] http://www.haskell.org/pipermail/cabal-devel/2007-March/000448.html
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