Atomic modification operations for lifted arrays #73
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I'm not sure this is entirely safe. Could another thread see the successful swap before it sees the "preceding" |
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I suspect that the CAS gives an ordering guarantee, but I'm not entirely sure. |
treeowl
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@winterland1989, what do you think of these? |
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The code seems OK, may need some tests and benchs, but i'm agree with you that we really should implement this in cmm. |
treeowl
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Jun 22, 2018
| -> IO b | ||
| atomicModifyArrayElem' mary i fn = do | ||
| (new, res) <- atomicModifyArrayElem_ mary i fn | ||
| evaluate new |
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We should actually just seq here.
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Addresses #64