Introduction to OpenCL

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OpenCL platform model ● ● One Host + Compute Devices – Managed by OpenCL framework ● ● Compute Device Sharing of resources Execution of kernels on devices – Compute Unit(s) ● Processing Element(s)
OpenCL execution model ● ● ● ● Device program - Kernels Host program – Context and kernel execution management kernel execution → index space → work item Work item – Instance of a kernel for a particular index – Identified by point in index space ● Global ID
Page 1 and 2: Introduction to OpenCL
Page 3: Terminology ● Framework - set of
Page 7 and 8: Execution model Context and command
Page 9 and 10: Memory model ● ● ● ● Global
Page 11 and 12: Programming model ● ● ● Data
Page 13 and 14: Memory objects ● ● Buffer objec
Page 15 and 16: Getting started ● ● ● ● ●
Page 17 and 18: Getting started create memory objec
Page 19 and 20: Execution overview ● ● Program
Page 21 and 22: Kernel objects ● Create kernel ob
Page 23 and 24: Kernel execution ● Enqueue execut
Page 25 and 26: OpenCL C Language ● ● ● ●
Page 27: References ● ● ● ● The Open

Introduction to OpenCL

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