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How to find the number of cores at runtime in Haskell

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野趣味
野趣味 2021-02-13 06:22

Does Haskell have a method for determining the number of CPU cores present on a machine at runtime?

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  • 不思量自难忘°
    不思量自难忘° (楼主)
    2021-02-13 06:28

    It is GHC.Conc.getNumProcessors :: IO Int getNumCapabilities tells how many threads are suggested to GHC (and depends on +RTS -N option parameter.)

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