创龙 TMS320C665x 一维FFT性能测试程序.docx

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创龙 TMS320C665x 一维FFT性能测试程序

创龙 TMS320C665x 一维FFT性能测试程序分享一个C66x系列FFT性能测试程序。(测试源码见附件。)此程序的作用是评估创龙DSP TMS320C665x数字信号函数库一维FFT计算性能,测试16~262144个实数点FFT性能。程序默认使用软件仿真测试(不计内存延迟),也可使用硬件禁用缓存及使能缓存测试。本测试试用CCS5.5,按照工程导入步骤加载FFT_Real_Benchmark.out文件,然后点击程序运行按钮。软件仿真(不计内存延迟)[TMS320C66x_0] Test signal-Include 2V DC Component -Include 3V AC Component,Frequency:50Hz Phase:-30 Degree-Include 1.5V AC Component,Frequency:75Hz Phase:90 Degree-Formula:y=2+3cos(2pi*50t-(30/180)pi)+1.5cos(2pi*75t+*(90/180)pi)--------------------------- Cache Disabled -------------------------------------------------------------------------------------------------1: 16 Point FFT Test -Sampling Period:1s Sampling Frequency:16Hz Frequency Resolution:1Hz-Forward Transformation Execution Cycle is 263 -Forward Transformation Execution Time is 0.2630000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 288 -Inverse Transformation Execution Time is 0.2880000 us (CPU Frequency:1000MHz)16 Point FFT Test End----------------------------------------------------------------------2: 32 Point FFT Test -Sampling Period:1s Sampling Frequency:32Hz Frequency Resolution:1Hz-Forward Transformation Execution Cycle is 295 -Forward Transformation Execution Time is 0.2950000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 297 -Inverse Transformation Execution Time is 0.2970000 us (CPU Frequency:1000MHz)32 Point FFT Test End----------------------------------------------------------------------3: 64 Point FFT Test -Sampling Period:1s Sampling Frequency:64Hz Frequency Resolution:1Hz-Forward Transformation Execution Cycle is 396 -Forward Transformation Execution Time is 0.3960000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 394 -Inverse Transformation Execution Time is 0.3940000 us (CPU Frequency:1000MHz)64 Point FFT Test End----------------------------------------------------------------------4: 128 Point FFT Test -Sampling Period:1s Sampling Frequency:128Hz Frequency Resolution:1Hz-Forward Transformati

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