Introduction to OpenCL

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OpenCL framework ● ● Platform Layer – Allows host program to discover devices, their capabilities and create contexts Runtime – Allows to manipulate contexts ● Compiler – Creates program executables with OpenCL kernels – OpenCL C – subset of ISO C99 + extensions for parallelism
Memory objects ● ● Buffer objects – 1D collection of elements ● ● ● ● Image objects Arbitrary elements Stored sequential Accessible via pointers Kernel element format same as buffer element – 2D or 3D texture, framebuffer, image ● ● ● Pre-defined types of element Accessible via built-in functions Kernel element format is 4D float/integer vector
Page 1 and 2: Introduction to OpenCL
Page 3 and 4: Terminology ● Framework - set of
Page 5 and 6: OpenCL execution model ● ● ●
Page 7 and 8: Execution model Context and command
Page 9 and 10: Memory model ● ● ● ● Global
Page 11: Programming model ● ● ● Data
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

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