Release Notes : Intel® Concurrent Collections for C++ 0.4.0

Contents
Overview
Supported Platforms
Installation Notes
Restrictions
What's New with Release 0.4.0 (this release)
What's New with Release 0.3.0
What's New with Release 0.2.0
Known Problems
Technical Support
Disclaimer and Legal Information

Overview
Intel® Concurrent Collections for C++ is a new language for describing parallel computations. It distinguishes the expression of the potential parallelism of the program from both the lower-level serial details of the algorithm, and the actual parallelism for a given target.
These release notes describe the supported platforms; installation instructions; functionality added, changed, and removed, and known issues and possible workarounds for those issues for Intel® Concurrent Collections for C++ since the last release.

Supported Platforms
Microsoft Windows XP*, Microsoft Windows Vista*, Microsoft Windows Server 2003*, Microsoft Windows Server 2008* (embedded editions not supported), or Linux

Installation Notes
Please see the Getting Started document for information on installing the product, and other requirements.

Restrictions
The following restrictions apply to this version of the release of this product:
  • The WhatIf release of Intel® Concurrent Collections for C++ should not be used in production code.
  • Follow on releases of this product will likely require rewriting of some of your code.
What's New with Release 0.4.0
  • Linux* support
    • Support for Linux* OS has been added.
  • New Runtime API
    • We have developed a new C++ API that provides a natural way to program in C++ using the Intel® Concurrent Collections design methodology.  The API also includes interfaces for tuning and debugging your Intel® Concurrent Collections program. Note that this new version is not compatible with the previous versions. See the Runtime API document for detailed information.
  • Textual notation updated
    • The specifications of tag type for item collections and tag collections are now required. The optional attributes for item/step/tag collections have been changed. See the Textual Notation document for detailed information.
  • Samples updated
    • All samples have been updated to conform to the new runtime API and textual notation.
  • Documents updated
    • All documents have been updated to conform to the new runtime API and textual notation.

What's New with Release 0.3.0
  • Performance improvement
    • Steps can now be specified with different priorities to improve performance. See 1.1.4 Attributes for steps in the Intel® Concurrent Collections for C/C++ Reference Manual.
  • Memory usage improvement
    • Garbage collection by ref-counting is now supported to reduce memory usage. See 1.1.5 Attributes for items in the Intel® Concurrent Collections for C/C++ Reference Manual.
  • Samples added
    • MatrixInversion - demonstrates the new ref-counting feature
  • Translator license expiration date
    • The license for the translator (cnc.exe) in the download package expires on 12/31/2009.
  • Documents updated:
    • Intel® Concurrent Collections for C/C++ Reference Manual
  • Problems fixed
    • The cnc.exe (translator) "The system cannot execute the specified program." problem that occurs when VS2005 SP1 is not installed on the system has been fixed.

What's New with Release 0.2.0
  • Supported platforms
    • Support for Windows* Intel® 64 architecture systems has been added.
  • Technical requirements
    • To use this release, you must have the Intel® Threading Building Blocks 2.1 installed. See Getting Started for details on how to download and install this version.
  • Textual notation enhancements
    • Declaration of step collections are allowed.
    • More error and warning messages added for legal graphs checking. For more information, please refer to Chapter 1.3 of the Intel® Concurrent Collections for C/C++ Reference Manual.
  • Functionality added
    • The constructor for the generated graph class now accepts an optional int parameter that specifies the number of desired threads to use at runtime. For more information, please refer to Chapter 2.2 of the Intel® Concurrent Collections for C/C++ Reference Manual.
  • Performance improvement
    • The processing of tag instances for steps is now faster.
  • Memory usage improvement
    • Memory usage has been improved with regard to the processing of tag instances for steps.
    • Some memory leaks have been fixed related to step instance objects.
  • Samples added
    • cholesky - an implementation of Cholesky decomposition
    • blacksholes - a Black-Scholes partial differential equation solver
  • Translator license expiration date
    • The license for the translator (cnc.exe) in the download package expires on 12/31/2009.
  • Documents updated
    • Getting Started
    • Intel® Concurrent Collections for C/C++ Reference Manual
  • Problems fixed
    • The library paths in Microsoft Visual Studio* 2008 sample projects have been corrected to point to the VC9 libraries instead of VC8.
Known Problems
This is a list of the known problems of the current implementation.
  • Under certain instances, installing this product causes an exception in Visual Studio* 2005. If you encounter this type of error, please install the Microsoft Visual C++ 2005 SP1 Redistributable Package (x86). To do this:
  • On Linux*, the cnc/0.4/samples/MatrixInverter/Readme.txt file is out-of-date. The usage for the sample program should be "MatrixInvert dim", where the argument dim is the dimension of the matrix. For Example: MatrixInvert 1000
Report Problems or Leave Feedback
To report a problem or leave feedback on this product, please visit the Intel® Concurrent Collections Product Page or visit the "Whatif Forum" to participate in forum discussions about Intel® Concurrent Collections then click on "Search Forum" and search for "Concurrent Collections"

Disclaimer and Legal Information
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Intel may make changes to specifications and product descriptions at any time, without notice. Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them. The information here is subject to change without notice. Do not finalize a design with this information.

The products described in this document may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.

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