Why is the bandwidth different for PCIe DMA reads and writes?

For example, in the PCIe DMA test shown in the figure below, why is there a significant difference between the bandwidth data for writes and reads?

There is no update from you for a period, assuming this is not an issue any more.
Hence we are closing this topic. If need further support, please open a new one.

May I know where the table from?
By which JetPack SW?

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