GPGPU	General Purpose computation on a GPU
-	-
CUDA	Compute Unified Device Architecture
OpenCL	Open Computing Language

http://software.intel.com/en-us/vcsource/tools/opencl-sdk

参考资料

[1]. http://igoro.com/archive/how-gpu-came-to-be-used-for-general-computation/
[2]. http://gpgpu.org/