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[SYCL][ABI-Break] Improve Queue fill (intel#13788)
Changed the `queue.fill()` implementation to make use of the native functions for a specific backend. Also, unified the implementation with the one for memset, since it is just an 8-bit subset operation of fill. In the CUDA case, both memset and fill are currently calling `urEnqueueUSMFill` which depending on the size of the filling pattern calls either `cuMemsetD8Async`, `cuMemsetD16Async`, `cuMemsetD32Async` or `commonMemSetLargePattern`. Before this patch memset was using the same thing, just beforehand setting patternSize always to 1 byte which resulted in calling `cuMemsetD8Async`. In other backends, the behaviour is analogous. The fill method was just invoking a `parallel_for` to fill the memory with the pattern which was making this operation quite slow.
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