DirectCompute
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Microsoft DirectCompute is an application programming interface (API) that supports general-purpose computing on graphics processing units on Microsoft Windows Vista and Windows 7. DirectCompute is part of the Microsoft DirectX collection of APIs and was initially released with the DirectX 11 API but runs on both DirectX 10 and DirectX 11 graphics processing units.[1][2] The DirectCompute architecture shares a range of computational interfaces with its competitors - the Khronos Group's Open Computing Language (OpenCL) and NVIDIA's Compute Unified Device Architecture (CUDA).