Hi, using: http://www.haskell.org/ghc/dist/current/dist/ghc-6.13.20100819-x86_64-unknown-linux.tar.bz2 parallel-3.1.0.0
and the most-common test program ... ever: module Main where import Control.Parallel.Strategies fib :: Int -> Int fib n | n < 1 = error "n < 1" | n == 1 = 1 | n == 2 = 1 | otherwise = fib (n-1) + fib(n-2) fibs = parMap rdeepseq fib $ [1..100] main = do mapM_ (putStrLn . show) $ zip [1..] fibs ghc -fllvm -threaded -rtsopts -O2 Prog.hs ./Prog -- runs slowly through 1..100 [OK] ./Prog +RTS -N2 -RTS -- requests all available memory [NOT OK] ghc -fllvm -threaded -rtsopts Prog.hs ./Prog +RTS -N2 -RTS -- slowly but [OK] Can anybody confirm this? Gruss, Christian
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