Download OpenCL in Action: How to Accelerate Graphics and by Matthew Scarpino PDF

By Matthew Scarpino

OpenCL in motion is an intensive, hands-on presentation of OpenCL, with a watch towards exhibiting builders the best way to construct high-performance purposes in their personal. It starts off by way of offering the center techniques at the back of OpenCL, together with vector computing, parallel programming, and multi-threaded operations, after which courses you step by step from easy facts constructions to complicated services.

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Extra info for OpenCL in Action: How to Accelerate Graphics and Computations

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Whether you’re targeting Nvidia or AMD devices, installing an SDK is a straightforward process. Appendix A provides step-by-step details and explains how the SDK tools work together to build executables. 7 Summary OpenCL is a new, powerful toolset for building parallel programs to run on highperformance processors. With OpenCL, you don’t have to learn device-specific languages; you can write your code once and run it on any OpenCL-compliant hardware. Besides portability, OpenCL provides the advantages of vector processing and parallel programming.

It places the number of available platforms in the memory referenced by num_platforms. The return value is an integer that identifies whether the function successfully detected one or more platforms. A value of 0 indicates success. A negative value indicates failure. Accessing platforms 19 Second, it’s important to distinguish between num_entries and num_platforms. num_entries identifies the maximum number of platforms you’re interested in detecting. This will be the maximum number of cl_platform_id structures that will be placed in the platforms array.

Accessing platforms 19 Second, it’s important to distinguish between num_entries and num_platforms. num_entries identifies the maximum number of platforms you’re interested in detecting. This will be the maximum number of cl_platform_id structures that will be placed in the platforms array. If you set this to 0, the function will return an error. num_platforms, on the other hand, is the number of platforms detected on the host. This value is set by the function during its operation. The num_entries and num_platforms parameters are used frequently in OpenCL functions, and when I first started programming with OpenCL, I found it hard to distinguish between the two.

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