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C6678 八个核的EDMA并行问题



您好~从DDR3中往6678的8个核的L2中传数据,代码大概为:

if(DNUM) DMATransfer();

else DMATransfer();

即每个核都跑DMA传输的程序,而且使用TPCC1和TPCC2,每个核对应一个channel和一个QUEUE。请问在这种情况下,8个核的EDMA是近似地看成完全并行的吗(也就是说8个核同时跑DMATransfer()这段程序和单核跑这段传数程序的耗时应该是接近的)??但是从DDR3往L2中传数应该是会受到DDR3总线宽度的影响吧?