BYTES-3P-BE-AM6254: DDR随机读写效率测试及提升

如何测试DDR随机读取的效率以及如何提升，目前整体测下来的算法部分发现随机读取DDR部分耗时严重，和我们在M7单核片内ram（主频480M）上的效率差不多，而我们的是4核A53主频1.2G，随机读取DDR性能感觉没有发挥出来，请问随机读取DDR的效率该如何测试，如何优化。

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