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Simon Marlow authored
{- | Set the number of Haskell threads that can run truly simultaneously (on separate physical processors) at any given time. GHC notes: in the current implementation, the value may only be /increased/, not decreased, by calling 'setNumCapabilities'. The initial value is given by the @+RTS -N@ flag, and the current value may be obtained using 'getNumCapabilities'. -}
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