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OMAPL138运算速度慢

大家好:

我在使用OMAPL138时遇到一个问题,我在计算4000次浮点乘法时,用了5ms,速度太慢了,我把Cahce也开了,但是没有什么效果。我的程序和数据均存放在DDR中,感觉像是配置的问题,应该138在这点运算量也就几十微妙就够了。

CPU主频:456MHz

DDR主频:150MHz