mSGDMA mm_Read Data is slow, but mm_Write Data is fast (ok) for "TSE_mSGDMA to HIP AVMM-DMA" logic

I am trying to transfer(read & write) data using the mSGDMA cores in QuartusPro 19.2 , between TSE core and PCIe HIP (avmm-dma) cores on an Arria10 FPGA. In Linux driver, we create ethernet node, a...