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Diffstat (limited to 'docs/users_guide/using-concurrent.rst')
-rw-r--r-- | docs/users_guide/using-concurrent.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/users_guide/using-concurrent.rst b/docs/users_guide/using-concurrent.rst index 32e24256c3..e8640dcbc3 100644 --- a/docs/users_guide/using-concurrent.rst +++ b/docs/users_guide/using-concurrent.rst @@ -76,6 +76,10 @@ the :ghc-flag:`-threaded` option (see :ref:`options-linker`). Additionally, the following compiler options affect parallelism: .. ghc-flag:: -feager-blackholing + :shortdesc: Turn on :ref:`eager blackholing <parallel-compile-options>` + :type: dynamic + :category: + :noindex: Blackholing is the act of marking a thunk (lazy computation) as being under evaluation. It is useful for three reasons: firstly it |