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Communication Dans Un Congrès Année : 2018

40 Gop/S/mm² Fixed-Point Operators for Brain Computer Interface in 65nm CMOS

Résumé

The performance of non-invasive Brain-Computer Interface (BCI) depends on the computing performance of the system which solves the inverse problem. So the number of basic operations computed per second determines the BCI's resolution. An architecture with pipelined and parallelized flow is then required, and each operator in this architecture must be optimised to reach the highest possible computing performance. This paper presents the implementation of a fixed-point reciprocal and an inverse square root operators for the STMicroelectronics 65 nm CMOS technology. This paper follows previous works that optimise these operators on FPGA target. Each operator reaches a computing performance of about 40 Gop/s/mm², which improves the literature results by a factor of 5. Thus, this works fits well for portable and high performance BCI applications.
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Dates et versions

hal-01813164 , version 1 (12-06-2018)

Identifiants

Citer

Erwan Libessart, Matthieu Arzel, Cyril Lahuec, Francesco Andriulli. 40 Gop/S/mm² Fixed-Point Operators for Brain Computer Interface in 65nm CMOS. 2018 IEEE International Symposium on Circuits and Systems (ISCAS), May 2018, Florence, Italy. ⟨10.1109/ISCAS.2018.8351028⟩. ⟨hal-01813164⟩
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