The test program used for transmited data between DDR4 of FPGA and DDR4 of PC adopted windows 10 or win7 system via PCIe 3.0 x8. A tested result shows that the speed of PCIE3.0 *8 is over 7GB/s , which is tested by xilinx Kcu1500 FPGA board. However, the speed under win7 / win10 is only about 4.5-4.9GB/s. The minimum speed threshold should be
5.5 GB/s. And it will be helpful if the speed is more that 6 GB/s.
1) windows 10 or 7 system.
2) the speed is not less than 5.5 GB/s, normally over 6GB/s.
3) A test program need to be order to verify the speed.
4) the source code of PCIE3.0 and its project need to be provided.
5) Detailed comments are necessary in source code, which is helpful to understand the driver program.