Method zero_device_i32

dnn/src/rocm/handle.h:54–54

    __half* one_device_h() { return &m_const_scalars->f16[1].hip_x; }
#endif
    dt_int32* zero_device_i32() { return &m_const_scalars->i32[0]; }
    dt_int32* one_device_i32() { return &m_const_scalars->i32[1]; }

    //! global matmul opr