No.111558 作者:peng85246 邮件:295044776@qq.com ID:132873 登陆:14次 文章数:8篇 最后登陆IP:219.137.66.4 最后登陆:2022/10/9 15:24:51 注册:2015/6/5 22:16:03 财富:145 发帖时间:2016/3/23 14:07:05 发贴者IP:120.236.154.231 标题:peng85246:创龙 TMS320C665x 一维FFT性能测试程序 摘要:No.111558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 Transformation Execution Cycle is 581 -Forward Transformation Execution Time is 0.5810000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 576 -Inverse Transformation Execution Time is 0.5760000 us (CPU Frequency:1000MHz) 128 Point FFT Test End ---------------------------------------------------------------------- 5: 256 Point FFT Test -Sampling Period:1s Sampling Frequency:256Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 1138 -Forward Transformation Execution Time is 1.1380000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 1112 -Inverse Transformation Execution Time is 1.1120000 us (CPU Frequency:1000MHz) 256 Point FFT Test End ---------------------------------------------------------------------- 6: 512 Point FFT Test -Sampling Period:1s Sampling Frequency:512Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 2027 -Forward Transformation Execution Time is 2.0270000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 1974 -Inverse Transformation Execution Time is 1.9740000 us (CPU Frequency:1000MHz) 512 Point FFT Test End ---------------------------------------------------------------------- 7: 1024 Point FFT Test -Sampling Period:1s Sampling Frequency:1024Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 4520 -Forward Transformation Execution Time is 4.5200000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 4398 -Inverse Transformation Execution Time is 4.3980000 us (CPU Frequency:1000MHz) 1024 Point FFT Test End ---------------------------------------------------------------------- 8: 2048 Point FFT Test -Sampling Period:1s Sampling Frequency:2048Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 8753 -Forward Transformation Execution Time is 8.7530000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 8508 -Inverse Transformation Execution Time is 8.5080000 us (CPU Frequency:1000MHz) 2048 Point FFT Test End ---------------------------------------------------------------------- 9: 4096 Point FFT Test -Sampling Period:1s Sampling Frequency:4096Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 20046 -Forward Transformation Execution Time is 20.0460000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 19540 -Inverse Transformation Execution Time is 19.5400000 us (CPU Frequency:1000MHz) 4096 Point FFT Test End ---------------------------------------------------------------------- 10: 8192 Point FFT Test -Sampling Period:1s Sampling Frequency:8192Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 39767 -Forward Transformation Execution Time is 39.7670000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 38754 -Inverse Transformation Execution Time is 38.7540000 us (CPU Frequency:1000MHz) 8192 Point FFT Test End ---------------------------------------------------------------------- 11: 16384 Point FFT Test -Sampling Period:1s Sampling Frequency:16384Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 90484 -Forward Transformation Execution Time is 90.4840000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 88442 -Inverse Transformation Execution Time is 88.4420000 us (CPU Frequency:1000MHz) 16384 Point FFT Test End ---------------------------------------------------------------------- 12: 32768 Point FFT Test -Sampling Period:1s Sampling Frequency:32768Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 180605 -Forward Transformation Execution Time is 180.6050000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 176520 -Inverse Transformation Execution Time is 176.5200000 us (CPU Frequency:1000MHz) 32768 Point FFT Test End ---------------------------------------------------------------------- 13: 65536 Point FFT Test -Sampling Period:1s Sampling Frequency:65536Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 405914 -Forward Transformation Execution Time is 405.9140000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 397728 -Inverse Transformation Execution Time is 397.7280000 us (CPU Frequency:1000MHz) 65536 Point FFT Test End ---------------------------------------------------------------------- 14: 131072 Point FFT Test -Sampling Period:1s Sampling Frequency:131072Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 811427 -Forward Transformation Execution Time is 811.4270000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 795054 -Inverse Transformation Execution Time is 795.0540000 us (CPU Frequency:1000MHz) 131072 Point FFT Test End ---------------------------------------------------------------------- 15: 262144 Point FFT Test -Sampling Period:1s Sampling Frequency:262144Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 1802688 -Forward Transformation Execution Time is 1802.6880000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 1769926 -Inverse Transformation Execution Time is 1769.9260000 us (CPU Frequency:1000MHz) 262144 Point FFT Test End Test Finished! 硬件测试(禁用缓存及使用缓存) 修改main.c文件中的代码可选择硬件测试模式,如下图所示: [C66xx_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 7558 -Forward Transformation Execution Time is 7.5580000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 7442 -Inverse Transformation Execution Time is 7.4420000 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 9380 -Forward Transformation Execution Time is 9.3800000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 9678 -Inverse Transformation Execution Time is 9.6780000 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 19494 -Forward Transformation Execution Time is 19.4940000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 20236 -Inverse Transformation Execution Time is 20.2360000 us (CPU Frequency:1000MHz) 64 Point FFT Test End ---------------------------------------------------------------------- 4: 128 Point FFT Test -Sampling Period:1s Sampling Frequency:128Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 35840 -Forward Transformation Execution Time is 35.8400000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 37002 -Inverse Transformation Execution Time is 37.0020000 us (CPU Frequency:1000MHz) 128 Point FFT Test End ---------------------------------------------------------------------- 5: 256 Point FFT Test -Sampling Period:1s Sampling Frequency:256Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 83414 -Forward Transformation Execution Time is 83.4140000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 86428 -Inverse Transformation Execution Time is 86.4280000 us (CPU Frequency:1000MHz) 256 Point FFT Test End ---------------------------------------------------------------------- 6: 512 Point FFT Test -Sampling Period:1s Sampling Frequency:512Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 164924 -Forward Transformation Execution Time is 164.9240000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is 168962 -Inverse Transformation Execution Time is 168.9620000 us (CPU Frequency:1000MHz) 512 Point FFT Test End ---------------------------------------------------------------------- 7: 1024 Point FFT Test -Sampling Period:1s Sampling Frequency:1024Hz Frequency Resolution:1Hz -Forward Transformation Execution Cycle is 314634 -Forward Transformation Execution Time is 314.6340000 us (CPU Frequency:1000MHz) -Inverse Transformation Execution Cycle is ......
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