Specifying the Device ID and Loading the XCLBIN - 2021.2 English

To use the Xilinx runtime (XRT) environment properly, the host application needs to identify the accelerator card and device ID that the kernel will run on, and load the device binary (.xclbin) into the device.

#include <xrt/xrt_kernel.h>

The following code snippet creates a device object by specifying the device ID from the target platform, and then loads the .xclbin into the device, returning the UUID for the program.

//Setup the Environment
unsigned int device_index = 0;
std::string binaryFile = parser.value("kernel.xclbin");
std::cout << "Open the device" << device_index << std::endl;
auto device = xrt::device(device_index);
std::cout << "Load the xclbin " << binaryFile << std::endl;
auto uuid = device.load_xclbin(binaryFile);