Sunway (processor)

Short description: Series of computer microprocessors developed by Jiāngnán Computing Lab

Sunway, or Shenwei, (Chinese: 神威), is a series of computer microprocessors, developed by Jiangnan Computing Lab (江南计算技术研究所) in Wuxi, China .[1] It uses a reduced instruction set computer (RISC) architecture, but details are still sparse.

## Contents

* 1 History
* 1.1 Sunway SW-1
* 1.2 Sunway SW-2
* 1.3 Sunway SW-3, SW1600
* 1.4 Sunway SW26010
* 2 See also
* 3 References

## History

The Sunway series microprocessors were developed mainly for the use of the military of the People's Republic of China . It is expressed on online forums that the original microarchitecture is believed to be inspired by the DEC Alpha.[2][better source needed] The SW-3 is thought especially to be based on the Alpha 21164.[3]

Jack Dongarra states about the follow-on SW26010, the "Shenwei-64 Instruction Set (this is NOT related to the DEC Alpha instruction set)", and doesn't say it's a new instruction set from the three prior generations he names;[4][5] although precise details of the instruction set are unknown.

### Sunway SW-1

* First generation, 2006
* Single-core
* 900 MHz

### Sunway SW-2

* Second generation, 2008
* Dual-core
* 1400 MHz
* SMIC 130 nm process
* 70–100 W

### Sunway SW-3, SW1600

* Third generation, 2010
* 16-core, 64-bit RISC[6]
* 975–1200 MHz[6]
* 65 nm process
* 140.8 GFLOPS @ 1.1 GHz
* Max memory capacity: 16 GB
* Peak memory bandwidth: 68 GB/s
* Quad-channel 128-bit DDR3
* Four-issue superscalar
* Two integer and two floating-point execution units
* 7-stage integer pipeline and 10-stage floating-point pipeline
* 43-bit virtual address and 40-bit physical address
* Up to 8 TB virtual memory and 1 TB of physical memory supported
* L1 cache: 8 KB instruction cache and 8 KB data cache[6]
* L2 cache: 96 KB[6]
* 128-bit system bus

### Sunway SW26010

* Fourth generation, 2016
* 64-bit RISC processor
* Manycore architecture, with 4 CPU clusters on a chip, each comprising 64 lightweight compute CPUs with an additional management CPU, linked by a network-on-a-chip[7]

## See also

* Sunway BlueLight
* Sunway TaihuLight
* Loongson – a family of Chinese MIPS processors
* Supercomputing in China

## References

1. ↑ Wu, Yimian (23 May 2018). "China Supports Local Semiconductor Firms By Adding Them To Government Procurement List". China Money Network. https://www.chinamoneynetwork.com/2018/05/23/china-supports-local-semiconductor-firms-by-adding-them-to-government-procurement-list.
2. ↑ hswz (2009-05-04). "Jiangnan Computing Lab's Civilian CPU Debut - SW-1". bbs.lemote.com. http://bbs.lemote.com/archiver/?tid-22869-page-1.html.
3. ↑ Hung-Sheng Tsao (2011-10-29). "SW1600 and Alpha 21164". LaoTsao's Weblog. http://laotsao.wordpress.com/2011/10/29/sw1600-and-alpha-21164/.
4. ↑ Dongarra, Jack (2016-06-20). "Report on the Sunway TaihuLight System". http://www.netlib.org/utk/people/JackDongarra/PAPERS/sunway-report-2016.pdf.
5. ↑ Hemsoth, Nicole (20 June 2016). "A Look Inside China's Chart-Topping New Supercomputer". The Next Platform. http://www.nextplatform.com/2016/06/20/look-inside-chinas-chart-topping-new-supercomputer/.
6. ↑ 6.0 6.1 6.2 6.3 Novakovic, Nebojsa (2011-12-26). "Chinese high end CPUs are now in the game – details: Part 2, Alpha". http://vr-zone.com/articles/chinese-high-end-cpus-are-now-in-the-game-details-part-2-alpha/14347.html.
7. ↑ Fu, Haohuan; Liao, Junfeng; Yang, Jinzhe; Wang, Lanning; Song, Zhenya; Huang, Xiaomeng; Yang, Chao; Xue, Wei et al. (2016). "The Sunway TaihuLight Supercomputer: System and Applications". Sci. China Inf. Sci. 59 (7). doi:10.1007/s11432-016-5588-7.

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Reduced instruction set computer (RISC) architectures

* IBM 801
* Berkeley RISC
* Stanford MIPS

Active|

* Analog Devices Blackfin
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* Renesas M32R
* Renesas SuperH
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* RISC-V
* Sunway
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Historic|

* Alpha
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