why EDMA no speed improvement

Hi, all

 

I compared EDMA fast copy DAT_copy() with C function memcpy() in my program, but there is no difference in speed. Why does EDMA have no improvement of speed?

 

Thank you

 

Yong

Hi, Phil

 

Thanks for your answer. You mean probably even I use DAT_copy(), it is still executed by the DSP core instead of using EDMA hardware. Then how can I ensure it is executed by EDMA hardware and let the DSP core do other processing at the same time?

 

Yong