Intel® Integrated Performance Primitives (Intel® IPP) Library 8.1 Release Notes

This document provides a general summary of new features and important notes about the Intel® IPP library software product.

Links to documentation and help can be found on the main Intel® IPP product page. For technical support visit the Intel® IPP technical support forum. Please note that only the two most recent major releases are fully supported. 

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What's New in Intel® IPP 8.1

• LTE MIMO functionality is now available only within the Intel® System Studio suite.
• Image Processing and Computer Vision:
  • Added the ippiFilterBilateralBorder, ippiFilterGaussianBorder, ippiLabelMarkers, and ippiCannyBorder functions with extended data type and borders support.
  • Added new functions: ippiGradientVector, ippiFilterSobelBorder, ippiSAD.
  • Added extended axis support (45 and 135 degree) to the ippiMirror function.  
• Signal Processing: removed deprecation message for all in-place functions.
• Intel IPP standalone and Intel IPP within the Intel® Composer XE suite have now support for Intel® Xeon Phi™.
• Fixed a number of internal and external defects.

Supported configurations:

• Minimum RAM: 1 GB
• Recommended RAM: 4 GB
• Recommended HW: 3rd Generation Intel® Core™ processors or above
• HW system requirements: processor capable of executing Intel® Streaming SIMD Extensions 2 (Intel® SSE2) or newer instruction sets
• Intel® C++ Compiler versions supported: 12.0 and above

Microsoft* Windows* OS:

• Windows XP*, Windows 7*, Windows 8*, Windows Server*. Note: support for Windows XP is deprecated and will be dropped in the next major release.
• Microsoft* Visual Studio* 2008, 2010, 2012.
• Required free disk space: 1 GB  (for a 32- or 64-bit install.  For both 2.1 GB are required)

Linux* OS distributions:

• Red Hat* Enterprise Linux* 5 and 6
• CentOS* versions equivalent to Red Hat* Enterprise Linux* versions listed above
• Fedora* 18 and 19
• SUSE* Linux* Enterprise Server (SLES) 10 and 11
• Ubuntu* 12.04 LTS and 13.04
• Debian* 6.0 and 7.0
• Required free disk space: 1.4 GB  (for a 32 -or- 64 bit install.  For both 2.8 GB are required)

OS X*:

• 10.8.2 (Xcode* 4.5.1 or newer with SDK 10.8 latest release) /10.9 (Xcode* 4.7 with SDK 10.9 latest release)
• Required free disk space: 1.3 GB  (for a 32- or 64-bit install.  For both 2.6 GB are required)
• OS X* compiler compatibility: Xcode* 4.7 with SDK 10.9 latest release, Xcode* 4.5.1 or newer with SDK 10.8 latest release

Support for Microsoft Visual Studio 2008* Deprecated

In a future major release of Intel® IPP, support for use with Microsoft Visual Studio 2008 will be removed. Intel recommends that customers migrate to Microsoft Visual Studio 2012* at their earliest convenience.

Threading notes:

Threading, within the deprecated multi-threaded add-on packages of the Intel® IPP library, is accomplished by use of the Intel® OpenMP* library. Intel® IPP 8.1 continues the process of deprecating threading inside Intel IPP functions that was started in version 7.1. Though not installed by default, the threaded libraries can be installed so code written with these libraries will still work as before. However, moving to external threading is recommended. For more information please see the deprecation feedback page. 

Known Intel® IPP 8.1 Issues and Limitations:

• To improve performance of several functionalities, Intel® IPP library for Linux* OS and OS X* now depends on Intel® C++ Compiler runtime libraries.
• Intel® IPP static libraries are not compatible with Microsoft Windows Driver Development Kit* 2003.
• On Intel® 64 architecture (Windows* OS), dynamic and multi-threaded static libraries produce incorrect result for the ippiOpticalFlowPyrLK_16u_C1R function due to a threading issue. Single-threaded static library produces correct result.
• Flavors of Pyramid functions that operate on 16-bit data, overflow on some images and produce incorrect results.
• Some transcedental arithmetic functions produce not exact results for cases with the known answer like exp(0)==1 - the result differs by 1 ulp (0.9999999999).
• A call of ippiInitCpu() for Intel® 64 architecture with the CPU parameter that does not support Intel® 64 architecture, initializes incorrect library (PX is expected). To avoid this behavoir, check that the CPU parameter is not less than Intel® Streaming SIMD Extensions 3 (Intel® SSE 3).
• Re-initialization of the library in case of dynamic linking leads to unnecessary unload-reload of the same DLL. This may slightlly affect performance. Avoid re-initialization at the application side.
• Applying antialiasing option to the ippiResizeSqrPixel function with the Lanczos interpolation method leads to correct but shifted by 0.5 pixel (non-symmetrical) result.
• Documentation viewing issue with Microsoft Internet Explorer* 10 and Windows Server* 2012: If on Windows Server* 2012 you find that you cannot display help or documentation from within Internet Explorer 10, modifying a security setting for Microsoft Internet Explorer* usually corrects the problem. From Tools > Internet Options > Security, add “about:internet” to the list of trusted sites. Optionally, you can remove “about:internet” from the list of trusted sites after you are finished viewing the documentation.

Product Contents

The Intel® IPP 8.1 for Windows*, Linux* OS, and OS X* are available as:

• The installation package for both IA-32 and Intel® 64 architectures
• Online installer that downloads materials chosen during installation

and the following optional add-on packages:

• Intel® IPP for Windows* Cryptography Add-on
• Intel® IPP for Linux* OS Cryptography Add-on
• Intel® IPP for OS X* Cryptography Add-on

Cryptography for Intel® IPP is a Separate Download

Cryptography for Intel® IPP is a separate installation package that contains the binaries and header files needed to utilize the functions contained in the Intel IPP cryptography domain. It is an add-on to the Intel IPP library and, therefore, requires that the core Intel IPP already be installed on your system. You must first install the standalone Intel® IPP or suite product containing IPP before installing the respective Cryptography for Intel® IPP package. Please note: the version of Intel IPP installed by the Intel® suites may not always match the latest (default) version of Cryptography for Intel IPP. To obtain Cryptography for Intel IPP, which is distributed separately from the main Intel IPP, please review this knowledge base article: Where do I download the Intel® IPP Cryptography libraries?  

Technical Support

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For technical information about the Intel® IPP, including FAQ's, tips and tricks, and other support information, please visit the Intel® IPP forum: http://software.intel.com/en-us/forums/intel-integrated-performance-primitives/.

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License Definitions

Any software source code included with this product is furnished under a software license and may only be used or copied in accordance with the terms of that license. Please see the Intel® Software Products End User License Agreement for license definitions and restrictions on the library.

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Source code is available at http://sourceforge.net/projects/opencvlibrary/files/opencv-win/1.0/.

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