This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

【资料共享】Hyperlink编程指南及性能测试结果

附件给出了Hyperlink的编程要点,并给出在不同场景下相应的实测吞吐量。

HyperLink_Programming_and_Performance_consideration.pdf
  • 求解load 在CMD文件中定义数据段时的具体含义,数据段定义时用不用load对代码执行周期数的影响?

    http://www.deyisupport.com/question_answer/dsp_arm/c6000_dsp/f/32/p/22488/74949.aspx#74949

  • 求救 Andy Yin1

    软件仿真与程序在开发板跑,指令运行周期相差较大,其原因是什么?是工程配置的问题还是其他原因?

    具体测试结果如下:

     软件仿真结果 ,simulation       

    FFT点数                         运行时间                运行指令周期数数  

    N = 8   radix = 2  TIME: 0.171000 us  CYCLES:171  

    N = 16   radix = 4  TIME: 0.199000 us  CYCLES:199  

    N = 32   radix = 2  TIME: 0.334000 us  CYCLES:334  

    N = 64   radix = 4  TIME: 0.468000 us  CYCLES:468  

    N = 128  radix = 2  TIME: 0.937000 us  CYCLES:937  

    N = 256  radix = 4  TIME: 1.607000 us  CYCLES:1607  

    N = 512  radix = 2  TIME: 3.676000 us  CYCLES:3676  

    N = 1024  radix = 4  TIME: 7.018000 us  CYCLES:7018  

    N = 2048  radix = 2  TIME: 16.543000 us  CYCLES:16543  

    N = 4096  radix = 4  TIME: 32.685000 us  CYCLES:32685  

    N = 8192  radix = 2  TIME: 76.258000 us  CYCLES:76258  

    N = 16384  radix = 4  TIME: 152.048000 us  CYCLES:152048  

    N = 32768  radix = 2  TIME: 348.709000 us  CYCLES:348709  

    N = 65536  radix = 4  TIME: 696.883000 us  CYCLES:696883

     开发板运行结果:

     数据存放在DDR3中 定义DDR3段的时候采用.DDR3:load>>DDR3 采用load指令

    FFT点数                         运行时间                运行指令周期数数  

    N = 8   radix = 2  TIME: 0.215000 us  CYCLES:215  

    N = 16   radix = 4  TIME: 0.243000 us  CYCLES:243  

    N = 32   radix = 2  TIME: 0.401000 us  CYCLES:401  

    N = 64   radix = 4  TIME: 0.617000 us  CYCLES:617  

    N = 128  radix = 2  TIME: 1.207000 us  CYCLES:1207  

    N = 256  radix = 4  TIME: 2.168000 us  CYCLES:2168  

    N = 512  radix = 2  TIME: 4.793000 us  CYCLES:4793  

    N = 1024  radix = 4  TIME: 9.256000 us  CYCLES:9256  

    N = 2048  radix = 2  TIME: 21.034000 us  CYCLES:21034  

    N = 4096  radix = 4  TIME: 51.208000 us  CYCLES:51208  

    N = 8192  radix = 2  TIME: 266.581000 us  CYCLES:266581  

    N = 16384  radix = 4  TIME: 539.959000 us  CYCLES:539959  

    N = 32768  radix = 2  TIME: 1512.223000 us  CYCLES:1512223  

    N = 65536  radix = 4  TIME: 3096.024000 us  CYCLES:3096024