32-Bit Integer Multiplication
On devices of compute capability 1.x, 32-bit integer multiplication is implemented using multiple instructions as it is not natively supported. 24-bit integer multiplication is natively supported via the __[u]mul24 intrinsic.
On devices of compute capability 2.0, however, 32-bit integer multiplication is natively supported, but 24-bit integer multiplication is not. __[u]mul24 is therefore implemented using multiple instructions and should not be used (Section 5.4.1).
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