[Haskell-cafe] Control.Parallel on 6.10.4 - Mac OS X version

Kevin Smith k2msmith at gmail.com
Tue Aug 18 23:15:49 EDT 2009

I'm using the Control.Parallel package on ghc version 6.10.4 and I don't
seem to be getting any parallel threads or sparks created at all with the
"-threaded" compilation option using runtime flags "+RTS -N2".  I'm using
simple examples from the paper "A Tutorial on Parallel and Concurrent
Programming in Haskell" by Jones and Singh.
I'm running on an Intel Mac core 2 duo.  Does anyone know how I can check if
the parallel functionality in ghc is working on my 6.10.4 ghc package
installed on this platform ? I installed it from the "supported" runtime pkg
for OS X from the ghc website.

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