An STT-MRAM based reconfigurable computing-in-memory architecture for general purpose computing

An STT-MRAM based reconfigurable computing-in-memory architecture for general purpose computing
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一种基于 STT-MRAM 的可重构内存计算架构,用于通用计算

DOI:
10.1007/s42514-020-00038-5
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发表时间:
2020-07
期刊:
CCF Transactons on High Performance Computing
影响因子:
--
通讯作者:
Weisheng Zhao
Weisheng Zhao
中科院分区:
其他
文献类型:
--
作者:
Yu Pan;Xiaotao Jia;Zhen Cheng;Peng Ouyang;Xueyang Wang;Jianlei Yang;Weisheng Zhao

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近年来,许多研究者提出了内存计算架构来解决冯·诺依曼瓶颈问题。大多数提出的架构只能执行一些特定于应用的逻辑功能。然而,支持通用计算的方案对于完全实现内存计算更有意义。提出了一种基于STT-MRAM的通用计算可重构内存计算体系结构(GCIM)。GCIM能有效地并行处理定点计算和浮点计算,并能显著降低数据转换的能耗。在我们的设计中,STT-MRAM阵列被分为四个子阵列,以实现可重构性。使用指定的阵列连接器,四个子阵列可以同时独立工作,也可以作为一个整体阵列一起工作。使用Cadence Virtuoso评估所提出的架构。仿真结果表明,所提出的架构在执行定点或浮点运算时消耗更少的能量。
Recently, many researches have proposed computing-in-memory architectures trying to solve von Neumann bottleneck issue. Most of the proposed architectures can only perform some application-specific logic functions. However, the scheme that supports general purpose computing is more meaningful for the complete realization of in-memory computing. A reconfigurable computing-in-memory architecture for general purpose computing based on STT-MRAM (GCIM) is proposed in this paper. The proposed GCIM could significantly reduce the energy consumption of data transformation and effectively process both fix-point calculation and float-point calculation in parallel. In our design, the STT-MRAM array is divided into four subarrays in order to achieve the reconfigurability. With a specified array connector, the four subarrays can work independently at the same time or work together as a whole array. The proposed architecture is evaluated using Cadence Virtuoso. The simulation results show that the proposed architecture consumes less energy when performing fix-point or float-point operations.
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影响因子: 2.3
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