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Fri 27 Apr 2012, 9:00

OpenCL* Device Fission for CPU Performance

OpenCL* Device Fission for CPU Performance

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Download OpenCL* Device Fission for CPU Performance [PDF 762KB]


Device fission is an addition to the OpenCL* specification that gives more power and control to OpenCL programmers over managing which computational units execute OpenCL commands. Fundamentally, device fission allows the sub-dividing of a device into one or more sub-devices, which, when used carefully, can provide a performance advantage, especially when executing on CPUs.

The newly released Intel® SDK for OpenCL* Applications 2012 is a comprehensive software development environment for OpenCL applications on 3rd generation Intel® Core™ processor family-based platforms. This SDK also provides developers with the ability to develop and target OpenCL applications on Intel CPUs of previous generations using both the Windows* and Linux* operating systems.

The Intel SDK for OpenCL Applications 2012 provides a rich mix of OpenCL extensions and optional features that are designed for developers who want to utilize all resources available on Intel CPUs. This article focuses on device fission, available as an OpenCL 1.1 extension with this version of the SDK. Download your FREE copy of the Intel SDK for OpenCL Applications 2012 at:

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