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请教DM642执行效率问题,谢谢!



我使用的是DM642芯片,写了一个很简单的执行语句,

for(i=0; i<10000; i++){cnt++;}

结果用profile统计cycles竟然达到了257000cycles!!

请教各位大牛,为什么使用了这么多的时钟周期?如果真是这样的话,

DM642的效率岂不是很慢!求教。。