Function do_copy_diff_q4_q4

dnn/src/naive/relayout_format/opr_impl.cpp:292–302

}

void do_copy_diff_q4_q4(const TensorND& dst, const TensorND& src) {
    auto isrc = tensor_iter_valonly<DTypeTrait<dtype::QuantizedS4>::ctype>(src).begin();
    auto idst = tensor_iter_valonly<DTypeTrait<dtype::QuantizedS4>::ctype>(dst).begin();
    auto src_dt_parm = src.layout.dtype.param<dtype::QuantizedS4>();
    auto dst_dt_parm = dst.layout.dtype.param<dtype::QuantizedS4>();
    for (size_t i = 0, it = dst.layout.total_nr_elems(); i < it; ++i) {
        *idst = dst_dt_parm.quantize(src_dt_parm.dequantize(int8_t(*isrc)));
        ++idst;
        ++isrc;
    }
}

void do_copy_diff_qu4_qu4(const TensorND& dst, const TensorND& src) {
    auto isrc =