Commit 56cc5c3d authored by Committed by Robert Maynard
Add support for BitFields.
BitFields are: - Stored in memory using a contiguous buffer of bits. - Accessible via portals, a la ArrayHandle. - Portals operate on individual bits or words. - Operations may be atomic for safe use from concurrent kernels. The new BitFieldToUnorderedSet device algorithm produces an ArrayHandle containing the indices of all set bits, in no particular order. The new AtomicInterface classes provide an abstraction into bitwise atomic operations across control and execution environments and are used to implement the BitPortals.
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