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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Weiwu Hu Ru Wang Yunji Chen Baoxia Fan Shiqiang Zhong Xiang Gao Zichu Qi Xu Yang |
| Copyright Year | 2011 |
| Description | Author affiliation: Loongson Technologies, Beijing, China (Xiang Gao; Xu Yang) || Chinese Academy of Sciences, Beijing, China (Weiwu Hu; Ru Wang; Yunji Chen; Baoxia Fan; Shiqiang Zhong; Zichu Qi) |
| Abstract | As the latest product of Godson processor series, the Godson-3B processor is an 8-core high-performance general-purpose processor implemented in 65nm CMOS low-power general-purpose mixed process with 7 layers of Cu metallization. Godson-3B contains 582.6M transistors (including 4MB L2-cache) within $299.8mm^{2}$ area. The number of signal pins in Godson-3B is 654. The highest frequency of Godson-3B is 1.05GHz, and the peak performance is 128GFLOPS (double-precision) or 256GFLOPS (single-precision) at 1GHz frequency with 40W power consumption. Godson-3B has an energy efficiency of 3.2GFLOPS/W. Other state-of-art high-performance processors have energy efficency of ∼1.3GFOPS/W (Westmere [2]) and ∼1.5GFLOPS/W (Power7 [3,4]). As shown in Fig. 4.4.1, Godson-3B contains 2 nodes while being able to scale to 16 nodes through inter-chip connection. Each node contains four cores, four L2-cache banks, one HyperTransport (HT) controller, one DDR2/3 controller, and the interconnection network connecting these components together. The interconnection network takes the 128-bit AXI standard interface with cache coherence extension. |
| Starting Page | 76 |
| Ending Page | 78 |
| File Size | 1318649 |
| Page Count | 3 |
| File Format | |
| ISBN | 9781612843032 |
| ISSN | 01936530 |
| e-ISBN | 9781612843025 |
| DOI | 10.1109/ISSCC.2011.5746226 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-02-20 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Clocks Program processors Phase locked loops Power supplies Registers Bandwidth Memory management |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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