Function FastContiguousJudge

paddle/phi/kernels/cpu/contiguous_kernel.cc:108–116

}

inline bool FastContiguousJudge(const std::vector<int64_t>& coalesce_shape,
                                const DenseTensor& input) {
  if (coalesce_shape.size() > 3 || input.dims().size() == 0) return false;
  auto x_meta = input.meta();
  if (coalesce_shape.size() == 3 &&
      !OnlyTransposed(x_meta.dims, x_meta.strides, x_meta.offset))
    return false;
  return true;
}

inline bool FastTransposeCopyValid(const DenseTensor& self,
                                   const DenseTensor& src) {