A data processing apparatus is included in a computing apparatus. The computing apparatus is included in a combined processing apparatus. The combined processing apparatus includes a general interconnection interface and other processing apparatus. The computing apparatus interacts with other processing apparatus to jointly complete a computing operation specified by a user. The combined processing apparatus further includes a storage apparatus. The storage apparatus is connected to the computing apparatus and other processing apparatus, respectively. The storage apparatus is used to store data of the computing apparatus and other processing apparatus. It can be widely used in various conversions of multi-dimension data and improve data conversion efficiency.