創(chuàng)龍TMS320C665x一維FFT性能測試程序

1、創(chuàng)龍 TMS320C665x 一維FFT性能測試程序分享一個C66x系列FFT性能測試程序。（測試源碼見附件。）此程序的作用是評估創(chuàng)龍DSP TMS320C665x數(shù)字信號函數(shù)庫一維FFT計(jì)算性能，測試16262144個實(shí)數(shù)點(diǎn)FFT性能。程序默認(rèn)使用軟件仿真測試（不計(jì)內(nèi)存延遲），也可使用硬件禁用緩存及使能緩存測試。本測試試用CCS5.5，按照工程導(dǎo)入步驟加載FFT_Real_Benchmark.out文件，然后點(diǎn)擊程序運(yùn)行按鈕。l 軟件仿真（不計(jì)內(nèi)存延遲）TMS320C66x_0 Test signal-Include 2V DC Component -Include 3V AC Compon

2、ent,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 Cy

3、cle 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

4、 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:

5、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

6、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 Ex

7、ecution 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

8、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 Transformati

9、on 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 Sam

10、pling 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)1

11、024 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 T

12、ransformation 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 Frequ

13、ency: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 i

14、s 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 Frequen

15、cy: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 Poi

16、nt 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

17、 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

18、(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

19、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 Pe

20、riod: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

21、 (CPU Frequency:1000MHz)262144 Point FFT Test EndTest Finished!l 硬件測試（禁用緩存及使用緩存）修改main.c文件中的代碼可選擇硬件測試模式，如下圖所示： 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-(30/18

22、0)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

23、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 9.38000

24、00 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

25、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 Frequ

26、ency: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

27、 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 Transform

28、ation 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:100

29、0MHz)-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

30、 -Forward Transformation Execution Time is 314.6340000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 327308 -Inverse Transformation Execution Time is 327.3080000 us (CPU Frequency:1000MHz)1024 Point FFT Test End-8: 2048 Point FFT Test -Sampling Period:1s Sampling Frequency:204

31、8Hz Frequency Resolution:1Hz-Forward Transformation Execution Cycle is 619134 -Forward Transformation Execution Time is 619.1340000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 626648 -Inverse Transformation Execution Time is 626.6480000 us (CPU Frequency:1000MHz)2048 Point F

32、FT Test End-9: 4096 Point FFT Test -Sampling Period:1s Sampling Frequency:4096Hz Frequency Resolution:1Hz-Forward Transformation Execution Cycle is 1403024 -Forward Transformation Execution Time is 1403.0240000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 1391810 -Inverse Tra

33、nsformation Execution Time is 1391.8100000 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 3065058 -Forward Transformation Execution Time is 3065.0580000 us (CPU

34、 Frequency:1000MHz)-Inverse Transformation Execution Cycle is 2942344 -Inverse Transformation Execution Time is 2942.3440000 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 Execu

35、tion Cycle is 7421890 -Forward Transformation Execution Time is 7421.8900000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 7359204 -Inverse Transformation Execution Time is 7359.2040000 us (CPU Frequency:1000MHz)16384 Point FFT Test End-12: 32768 Point FFT Test -Sampling Perio

36、d:1s Sampling Frequency:32768Hz Frequency Resolution:1Hz-Forward Transformation Execution Cycle is 16034550 -Forward Transformation Execution Time is 16034.5500000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 15501746 -Inverse Transformation Execution Time is 15501.7460000 us

37、 (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 36493010 -Forward Transformation Execution Time is 36493.0100000 us (CPU Frequency:1000MHz)-Inverse Transformati

38、on Execution Cycle is 35923952 -Inverse Transformation Execution Time is 35923.9520000 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 76507454 -Forward Tra

39、nsformation Execution Time is 76507.4540000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 75288972 -Inverse Transformation Execution Time is 75288.9720000 us (CPU Frequency:1000MHz)131072 Point FFT Test End-15: 262144 Point FFT Test -Sampling Period:1s Sampling Frequency:26214

40、4Hz Frequency Resolution:1Hz-Forward Transformation Execution Cycle is 195097318 -Forward Transformation Execution Time is 195097.3180000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 168462636 -Inverse Transformation Execution Time is 168462.6360000 us (CPU Frequency:1000MHz)

41、262144 Point FFT Test End- Cache Enabled -1: 16 Point FFT Test -Sampling Period:1s Sampling Frequency:16Hz Frequency Resolution:1Hz-Forward Transformation Execution Cycle is 2034 -Forward Transformation Execution Time is 2.0340000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is

42、1638 -Inverse Transformation Execution Time is 1.6380000 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 1048 -Forward Transformation Execution Time is 1.0480000 us (CP

43、U Frequency:1000MHz)-Inverse Transformation Execution Cycle is 1257 -Inverse Transformation Execution Time is 1.2570000 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

44、1302 -Forward Transformation Execution Time is 1.3020000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 1513 -Inverse Transformation Execution Time is 1.5130000 us (CPU Frequency:1000MHz)64 Point FFT Test End-4: 128 Point FFT Test -Sampling Period:1s Sampling Frequency:128Hz Fr

45、equency Resolution:1Hz-Forward Transformation Execution Cycle is 2080 -Forward Transformation Execution Time is 2.0800000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 2812 -Inverse Transformation Execution Time is 2.8120000 us (CPU Frequency:1000MHz)128 Point FFT Test End-5:

46、256 Point FFT Test -Sampling Period:1s Sampling Frequency:256Hz Frequency Resolution:1Hz-Forward Transformation Execution Cycle is 4246 -Forward Transformation Execution Time is 4.2460000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 3828 -Inverse Transformation Execution Time

47、 is 3.8280000 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 7632 -Forward Transformation Execution Time is 7.6320000 us (CPU Frequency:1000MHz)-Inverse Transformat

48、ion Execution Cycle is 7307 -Inverse Transformation Execution Time is 7.3070000 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 14718 -Forward Transformation Execution Time is 14.7180000 us (CPU Frequency:1000MHz)-Inverse Transformation Execution Cycle is 12958 -Inverse Transformation Execution Time is 12.9580000 us (CPU Frequency:1000MHz)1024 Point FFT Test