公开(公告)号：US20180321912A1

公开(公告)日：2018-11-08

申请号：US15773973

申请日：2016-06-17

Applicant: Institute of Computing Technology, Chinese Academy of Sciences

Inventor： Zhen LI ,  Shaoli LIU ,  Shijin ZHANG ,  Tao LUO ,  Cheng QIAN ,  Yunji CHEN ,  Tianshi CHEN

IPC: G06F7/509 ,  G06F17/30

CPC classification number: G06F7/5095 ,  G06F7/50 ,  G06F16/2246

Abstract: The present disclosure provides a data accumulation device and method, and a digital signal processing device. The device comprises: an accumulation tree module for accumulating input data in the form of a binary tree structure and outputting accumulated result data; a register module including a plurality of groups of registers and used for registering intermediate data generated by the accumulation tree module during an accumulation process and the accumulated result data; and a control circuit for generating a data gating signal to control the accumulation tree module to filter the input data not required to be accumulated, and generating a flag signal to perform the following control: selecting a result obtained after adding one or more of intermediate data stored in the register to the accumulated result as output data, or directly selecting the accumulated result as output data. Thus, a plurality of groups of input data can be rapidly accumulated to a group of sums in a clock cycle. At the same time, the accumulation device can flexibly select to simultaneously accumulate some data of the plurality of of input data by means of a control signal.

公开(公告)号：US20200272595A1

公开(公告)日：2020-08-27

申请号：US15781039

申请日：2016-06-17

Applicant: Institute of Computing Technology, Chinese Academy of Sciences

Inventor： Dong HAN ,  Tao LUO ,  Shaoli LIU ,  Shijin ZHANG ,  Yunji CHEN

IPC: G06F15/78 ,  G06F17/16 ,  G06F16/901

Abstract: An example device comprises a central node for receiving vector data returned by leaf nodes, a plurality of leaf nodes for calculating and shifting the vector data, and forwarder modules comprising a local cache structure and a data processing component, wherein the plurality of leaf nodes are divided into N groups, each group having the same number of leaf nodes; the central node is individually in communication connection with each group of leaf nodes by means of the forwarder modules; a communication structure constituted by each group of leaf nodes has self-similarity; the plurality of leaf nodes are in communication connection with the central node in a complete M-way tree approach by means of the forwarder modules of multiple levels; each of the leaf nodes comprises a setting bit.

公开(公告)号：US20180375789A1

公开(公告)日：2018-12-27

申请号：US15781686

申请日：2016-06-17

Applicant: INSTITUTE OF COMPUTING TECHNOLOGY, CHINESE ACADEMY OF SCIENCES

Inventor： Huiying LAN ,  Tao LUO ,  Shaoli LIU ,  Shijin ZHANG ,  Yunji CHEN

IPC: H04L12/911 ,  G06F15/173 ,  H04L12/44 ,  H04L12/755

Abstract: A communication structure comprises: a central node that is a communication data center of a network-on-chip and used for broadcasting or multicasting communication data to a plurality of leaf nodes; a plurality of leaf nodes that are communication data nodes of the network-on-chip and used for transmitting the communication data to the central node; and forwarder modules for connecting the central node with the plurality of leaf nodes and forwarding the communication data, wherein the plurality of leaf nodes are divided into N groups, each group having the same number of leaf nodes, the central node is individually in communication connection with each group of leaf nodes by means of the forwarder modules, the communication structure is a fractal-tree structure, the communication structure constituted by each group of leaf nodes has self-similarity, and the forwarder modules comprises a central forwarder module, leaf forwarder modules, and intermediate forwarder modules.