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by SkiFire13
261 days ago
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> but it lacks an early cutout since you can ignore any input value that’s on the wrong side of the op by doing a cheap atomic read or just cutting out of the loop after the first failed CAS if the read back shows it can’t matter. I believe this is a bit trickier than that, you would also need at least some kind of atomic barrier to preserve the ordering semantics of the successful update case. |
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