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Journal of Zhejiang University SCIENCE C 1998 Vol.-1 No.-1 P.

http://doi.org/10.1631/FITEE.2200359


Programming bare-metal accelerators with heterogeneous threading models: a case study of matrix-3000


Author(s):  Jianbin FANG, Peng ZHANG, Chun HUANG, Tao TANG, Kai LU, Ruibo WANG, Zheng WANG

Affiliation(s):  School of Computer Science and Technology, National University of Defense Technology, Changsha 410073, China; more

Corresponding email(s):   j.fang@nudt.edu.cn

Key Words:  Heterogeneous computing, Parallel programming models, Performance, Programmability, Compilers, Runtime systems


Jianbin FANG, Peng ZHANG, Chun HUANG, Tao TANG, Kai LU, Ruibo WANG, Zheng WANG. Programming bare-metal accelerators with heterogeneous threading models: a case study of matrix-3000[J]. Frontiers of Information Technology & Electronic Engineering, 1998, -1(-1): .

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publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2200359"
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A1 - Zheng WANG
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Abstract: 
As the hardware industry moves toward using specialized heterogeneous many-cores to avoid the effects of the power wall, software developers are finding it hard to deal with the complexity of these systems. This article shares our experience of developing a programming model and its supporting compiler and libraries for Matrix3000, which is designed for next-generation exascale supercomputers but has a complex memory hierarchy and processor organization. To assist its software development, we developed a software stack from scratch that includes a low-level programming interface and a high-level OpenCL compiler. Our low-level programming model offers native programming support for using the bare-metal accelerators of Matrix-3000, while the high-level model allows programmers to use the OpenCL programming standard. We detail our design choices and highlight the lessons learned from developing systems software to enable the programming of bare-metal accelerators. Our programming models have been deployed in the production environment of an exascale prototype system.

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