DirectGMA_CL

Simple example showing how to use DGMA in OpenCL

System Setup

Your system needs 2 AMD GPUs with the DirectGMA feature, and the latest GPU driver. Plug at least 1 monitor on each GPU.

Enable DirectGMA

Before running your DirectGMA samples, you have to make sure that the DirectGMA feature is enabled:

on Windows: AMD Firepro Control Center -> AMD Firepro -> SDI/DirectGMA -> Check the checkbox of the 2 GPU -> Apply -> Restart your computer.

on Linux: in your terminal, enter the commands :

aticonfig --initial=dual-head --adapter=all -f aticonfig --set-pcs-val=MCIL,DMAOGLExtensionApertureMB,96 aticonfig --set-pcs-u32=KERNEL,InitialPhysicalUswcUsageSize,96 and reboot.

Prerequisites:

cmake 2.8.12 or higher AMD APP SDK 2.9.1 or higher

Building procedure:

create a build directory cd build cmake Path_to_the_src_directory make (Linux) compile the Project.sln project with Visual Studio (Windows)