Documento de conferencia

Simulation acceleration of image filtering on cmos vision chips using many-core processors

Conference Proceeding cp
Proceedings of the 2019 Forum on Specification and Design Languages, FDL 2019
  • Fecha: 01 septiembre 2019
  • ISBN: 9781728141138
  • Tipo de fuente: Ponencia
  • DOI: 10.1109/FDL.2019.8876903
  • Tipo de documento: Documento de conferencia
  • Editorial: Institute of Electrical and Electronics Engineers Inc.
© 2019 IEEE.This paper describes an efficient numerical solution to speed up transient simulations of analog circuits on a many-core computer. The technique is based on an explicit integration method, parallelised on a multiprocessor architecture. Although the integration step is smaller than the required one by traditional simulation methods based on Newton-Raphson iterations, explicit methods do not require to compute complex calculations such us matrix factorizations, which lead to long CPU simulation times. The proposed technique has been implemented on a NVIDIA GPU and has been demonstrated simulating Gaussian filtering operations performed by a CMOS vision chip. These type of devices, which are used to perform computation on the edge, include built-in image processing functions, turning them into very complex and time consuming circuits during their design. The proposed method is faster that Ngspice for different image sizes, and for 128 x 128 pixels image size it achieves a speed up of two orders of magnitude.

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