Appendix A

An introduction to OpenCL

Abstract

This chapter introduces OpenCL to CUDA programmers. It shows the direct correspondence between OpenCL concepts and CUDA concepts. It also presents a direct correspondence between OpenCL device architecture and CUDA device architecture. It uses the Direct Coulomb Summation kernel to illustrate the practical use of OpenCL features.

Keywords

OpenCL; Open Compute Language; NDRange; work group; work item; kernel; context; compute unit; command queue; standard

Chapter Outline

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