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Friday, May 07, 2010

New ap note: Using TIE to accelerate Radix-2 FFT

This application note illustrates the acceleration of the radix-2 FFT, using TIE techniques that are simple and easy to implement. This document discusses a basic, but very powerful capability of TIE, the ability to define a register file of any arbitrary width and instructions that perform computations on the register file. Additional techniques, such as FUSION and SIMD, are introduced to show how to further improve performance, along with techniques to reduce gate count.