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2017 | OriginalPaper | Buchkapitel

A Lifting Instruction for Performing DWT in LEON3 Processor Based System-on-Chip

verfasst von : Rajul Bansal, Mahendra Kumar Jatav, Abhijit Karmakar

Erschienen in: VLSI Design and Test

Verlag: Springer Singapore

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Abstract

Discrete Wavelet Transform (DWT) calculations form an inherent part of many signal processing applications. Application specific instructions provide a means to increase performance and efficiency of System-on-Chip (SoC) requiring DWT operations. In this paper, lifting scheme based hardware for efficient DWT calculation, is implemented as an instruction to enhance the performance of an SoC. The hardware is integrated using the coprocessor interface of the SPARCv8 ISA based LEON3 processor. This method for attaching lifting hardware is found to be much more efficient than the prevalent system-bus based integration. The performance measure is provided in terms of CPI and MIPS along with FPGA and ASIC implementation results of the SoC.

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Metadaten
Titel
A Lifting Instruction for Performing DWT in LEON3 Processor Based System-on-Chip
verfasst von
Rajul Bansal
Mahendra Kumar Jatav
Abhijit Karmakar
Copyright-Jahr
2017
Verlag
Springer Singapore
DOI
https://doi.org/10.1007/978-981-10-7470-7_68

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