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vlfft 运行时间



自己的DSP不是shannon的是Nyquist的,CPU时钟是1200M,DDR3时钟是1333.33M,只有4核,优化设置如下:

自己想问两个问题

1.shannon DSP 与 Nyquist DSP的区别

2.单核的时候的性能还是很好的,为什么多核的性能就有这么大与其的差别,是自己哪里没有设置好吗,还是说与DSP有关