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Efficient Signed Arithmetic Multiplication on Memristor-Based Crossbar
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DOI：10.1109/ACCESS.2023.3263259.png)
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Abstract
En 中文
The vast potential of memristor-based computation-in-memory (CIM) engines has mainly triggered the mapping of best-suited applications. Nevertheless, with additional support, existing applications can also benefit from CIM. In particular, this paper proposes an energy and area-efficient CIM-based methodology to perform arithmetic signed matrix multiplications. Our approach combines a) the mapping of the signed operands on the 1T1R crossbar, and b) the augmentation of the periphery with customized circuits to support the execution of shift and accumulate needed for the arithmetic operations. The operand mapping is performed without the need for sign extension; hence, reducing the required memory size. To demonstrate the superiority of our scheme as compared with the state-of-the-art, simulations are performed for different case studies including a neural network and two kernels which are taken from the Polybench/C benchmark suite. The results show that our approach achieves up to 8x energy-saving and 3x area-saving compared with other CIM-based prior works.
Keywords:
Memristor
computation-in-memory
signed computation