convert Class — pytorch Architecture

Source Code

aten/src/ATen/cpu/vec/vec256/zarch/vec256_zarch.h lines 1613–1629

template <>
inline void convert(const int32_t* src, float* dst, int64_t n) {
  // int32_t and float have same size
  int64_t i;
  for (i = 0; i <= (n - Vectorized<float>::size());
       i += Vectorized<float>::size()) {
    const int32_t* src_a = src + i;
    float* dst_a = dst + i;
    auto input_vec = Vectorized<int32_t>::loadu(src_a);
    auto output_vec = zvec_convert_to_float(input_vec);
    output_vec.store(dst_a);
  }

  for (; i < n; i++) {
    dst[i] = static_cast<float>(src[i]);
  }
}