• 04/03/2020
  • Public Content
Contents

OpenVX* Programming Framework

OpenVX* defines a C Application Programming Interface (API) that is used for building, verifying, and coordinating graph execution, as well as for accessing memory objects. The graph abstraction enables OpenVX implementation to optimize the execution for the underlying acceleration architecture.
The graph defines an explicit data-flow, using
node objects
and
data objects
like images and arrays to describe the data flow of a graph. After the graph is created the graph verification is required. After that, the same graph can be executed multiple times with updated inputs.
OpenVX also defines the
vxu utility library
that enables you to use each OpenVX predefined function as a directly callable C function, without needing to create a graph first. Applications built using the vxu library do not benefit from the optimizations enabled by graphs; however, the vxu library can be useful as the simplest way to use OpenVX and as the first step in porting existing vision applications.
As the computer vision domain is still rapidly evolving, OpenVX provides an extensibility mechanism to enable developer-defined functions to be added to graphs.

Product and Performance Information

1

Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2, SSE3, and SSSE3 instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. Please refer to the applicable product User and Reference Guides for more information regarding the specific instruction sets covered by this notice.

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