OpenCL (Open Computing Language) is an open royalty-free standard for general
purpose parallel programming across CPUs, GPUs and other processors, giving
software developers portable and efficient access to the power of these
heterogeneous processing platforms.
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OpenCL supports a wide range of applications, ranging from embedded and
consumer software to HPC solutions, through a low-level, high-performance,
portable abstraction. By creating an efficient, close-to-the-metal programming
interface, OpenCL will form the foundation layer of a parallel computing
ecosystem of platform-independent tools, middleware and applications.
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OpenCL consists of an API for coordinating parallel computation across
heterogeneous processors; and a cross-platform programming language with a
well-specified computation environment. The OpenCL standard:
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- Supports both data- and task-based parallel programming models
- Utilizes a subset of ISO C99 with extensions for parallelism
- Defines consistent numerical requirements based on IEEE 754
- Defines a configuration profile for handheld and embedded devices
- Efficiently interoperates with OpenGL, OpenGL ES, and other graphics APIs
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The specification is divided into a core specification that any OpenCL
compliant implementation must support; a handheld/embedded profile which
relaxes the OpenCL compliance requirements for handheld and embedded devices;
and a set of optional extensions that are likely to move into the core
specification in later revisions of the OpenCL specification.
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This is exactly the documentation that can be found at:
https://www.khronos.org/registry/OpenCL/sdk/1.2/docs/man/xhtml/
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