多核并行的大点数 FFT、IFFT 设计
夏际金;梁之勇;崔留争
【期刊名称】《火控雷达技术》 【年(卷),期】2016(045)001
【摘要】FFT and IFFT are the most common algorithm for signal processing.With
the
increasing
requirement
of
technique
development,the point of FFT and IFFT become larger and larger.The signal processor is developed from single -core to multiprocessor parallel and multi -core parallel gradually.The method of parallel design for the large point FFT and IFFT is studied,transforming IFFT into FFT and splitting large point into small point.The buffer and bufferless large point FFT and IFFT are designed on TI C6678 eight -core processor.The eight -core parallel computing is realized through the parallel design.The processing performance is improved by calculation and transfer parallelism and multi -core parallel design.?T 和 IFFT 是信号处理最常用的算法。随着技术发展需求的不断提高，FFT、IFFT 点数越来越大。信号处理器逐步由单核向多处理器并行、多核并行方向发展。文中研究了大点数 FFT、IFFT 并行设计方法，把 IFFT 转换成 FFT 计算并将大点数 FFT 拆分成小点数运算。在 TI C66788核处理器上实现了有缓冲和无缓冲的大点数 FFT、IFFT 设计。通过并行设计，实现大点数 FFT、IFFT在8核处理器上并行计算。通过计算和传输并行、多核并行设计，提高了处理性能。 【总页数】5页(64-68)
多核并行的大点数 FFT、IFFT 设计
