A Construction Method of Application-Oriented Heterogeneous Network-on-Chip
A heterogeneous on-chip, application-oriented technology, applied in the direction of data exchange network, advanced technology, digital transmission system, etc., can solve the problem of performance degradation and achieve the effect of power consumption and guaranteed performance
Active Publication Date: 2018-02-23
BEIJING UNIV OF TECH
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However, when the network load is too much, the deflection rate of Buffered will be higher, and the performance will decrease significantly.
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[0054] The present invention will be further described below in conjunction with accompanying drawings and examples.
[0055] figure 1 It is a program-driven heterogeneous network-on-chip. In this method, two sets of customized networks are designed, the network to be transmitted is determined by the characteristics of the program, and the network to which it belongs cannot be changed during the running of the program.
[0056] The construction method of the application-oriented heterogeneous on-chip network involved in the present invention takes a 32-core heterogeneous network as an example, and is characterized in that it includes the following steps:
[0057] Step 1, put n 2 Bufferless routers and n 2 Buffered routers are respectively connected to an n×n network, and each router is connected to a computing unit PE, which includes a processor P and L1-level Cache, a total of 2n 2 a PE.
[0058] The example selects 16 Bufferless routers and 16 Buffered routers to form a...
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The invention relates to a construction method for application-oriented heterogeneous on-chip networks. More and more attention is paid to heterogeneous networks serving as an on-chip network structure which is relatively flexible. According to present heterogeneous on-chip networks, two fixed on-chip networks are set for achieving optimal configuration of two applications respectively, the network to which the applications are going to get access is determined before the applications get access, and the determination can not be changed once being made; the defects that the networks are optimized by referring to the characteristic of the specific applications, expansibility is poor, and optimization depends too much on the accuracy of parameters for judging the application attribute exist; moreover, as the multithreading application and the large-data application are popularized constantly, due to the diversity of the applications, the division thought of the two networks is limited. For the diversity characteristic of application programs, a Buffered router and a Bufferless router are set and communicated with each other, and switching of the operating networks is achieved according to flow in the application operating process, so that the overall energy consumption of the system is reduced.
Description
technical field [0001] The invention belongs to the field of computer architecture, and in particular relates to a construction system for implementing an application-oriented heterogeneous on-chip network. Background technique [0002] As a relatively flexible network-on-chip structure, the heterogeneous network can design the characteristics of the network according to the characteristics of different applications, and is more and more widely used. The current heterogeneous network-on-chip sets up two sets of fixed networks-on-chip to optimize the configuration of two types of applications respectively. The network to be accessed is determined before the application enters the network, and once determined, it cannot be changed. The disadvantage is that network optimization is implemented with reference to the characteristics of specific applications, and the scalability is not strong. On the other hand, there is a high dependence on the accuracy of parameters for judging ...
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IPC IPC(8): H04L12/721H04L12/801H04L12/861
CPCY02D30/50
Inventor 方娟刘思彤冷镇宇路佳佳岳奇鲍庆国
Owner BEIJING UNIV OF TECH