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TMS320C6678: DSPF_sp_fir_r2函数运行速度问题

Part Number: TMS320C6678

你好:

我在调用dsplib库中的DSPF_sp_fir_r2函数时,相同滤波器阶数32,处理相同长度数据262144点,运行速度在6678上比6748慢很多(6678上运行500ms,6748行运行50ms),请问什么原因导致这种问题,有什么方法可以在6678上提速。