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Intel(R) Threading Building Blocks - Release Notes
  Version 4.1
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System Requirements
-------------------

Intel(R) Threading Building Blocks (Intel(R) TBB) is available
commercially (see http://software.intel.com/en-us/intel-tbb) as a
binary distribution, and in open source, in both source and binary
forms (see http://threadingbuildingblocks.org).

When built from source, Intel(R) TBB is intended to be highly portable
and so supports a wide variety of operating systems and platforms (see
http://threadingbuildingblocks.org for more details).

Binary distributions, including commercial distributions, are validated
and officially supported for the hardware, software, operating systems
and compilers listed here.

Hardware - Recommended

    Microsoft* Windows* Systems
Intel(R) Core(TM) 2 Duo processor or Intel(R) Xeon(R) processor
    or higher
    Linux* Systems
Intel(R) Core(TM) 2 Duo processor or Intel(R) Xeon(R) processor
    or higher
Intel(R) Xeon Phi(TM) coprocessor
    OS X* Systems
Intel(R) Core(TM) 2 Duo processor or higher

Hardware - Supported

    Intel(R) Pentium(R) 4 processor family and higher
    Intel(R) Xeon Phi(TM) coprocessor
    Non Intel(R) processors compatible with the above processors

Software - Minimum Requirements

    Supported operating system (see below)
    Supported compiler (see below)

Software - Recommended

    Intel(R) Parallel Studio XE 2011 and higher
    Intel(R) Parallel Studio 2011 and higher

Software - Supported Operating Systems

    Microsoft* Windows* Systems
Microsoft* Windows* 8 (desktop apps only)
Microsoft* Windows* 7 SP1
Microsoft* Windows* Server 2012
Microsoft* Windows* Server 2008 SP2
Microsoft* Windows* Server 2008 R2 SP1
Microsoft* Windows* XP Professional SP3
    Linux* Systems
Red Hat* Enterprise Linux* 6, 5
Fedora* 17
Debian* 6.0
Ubuntu* 11.10, 12.04
SuSE* Linux* Enterprise Server 10, 11SP2
Pardus* 2011.2 (x64 only)
Intel(R) Cluster Ready
    OS X* Systems
OS X* 10.7.4 or higher

Software - Supported Compilers

    Intel(R) C++ Composer XE 2011 SP1 and higher
    Microsoft* Visual C++ 11.0 (Microsoft* Visual Studio* 2012,
Windows* systems, Desktop UI & Desktop Apps only)
    Microsoft* Visual C++ 10.0 (Microsoft* Visual Studio* 2010,
Windows* systems only)
    Microsoft* Visual C++ 9.0 (Microsoft* Visual Studio* 2008,
Windows* systems only)
    For each supported Linux* operating system, the standard gcc
version provided with that operating system is supported,
including gcc 4.1 through 4.7
    Xcode* 4.3 and higher and command line tools (OS X* systems
        only)


Known Issues
------------

Please note the following with respect to this particular release of
Intel(R) Threading Building Blocks.

Library Issues

    - If an application is built for Microsoft* Windows* XP Professional
or similar the _WIN32_WINNT macro must be set manually to 0x0501
in order to limit the usage of modern API that is available on
newer operating systems.

    - If an application uses static version of MSVCRT libraries or uses
TBB DLL built with static MSVCRT (vc_mt variant), and throws
an exception from a functor passed to task_group::run_and_wait(),
the exception will not be intercepted by TBB and will not result
in cancellation of the task_group. For a workaround, catch the
exception in the functor and explicitly cancel the task_group.

    - If you are using Intel(R) Threading Building Blocks and OpenMP*
constructs mixed together in rapid succession in the same
program, and you are using Intel(R) compilers for your OpenMP*
code, set KMP_BLOCKTIME to a small value (e.g., 20 milliseconds)
to improve performance.  This setting can also be made within
your OpenMP* code via the kmp_set_blocktime() library call.  See
the Intel(R) compiler OpenMP* documentation for more details on
KMP_BLOCKTIME and kmp_set_blocktime().

    - In general, non-debug ("release") builds of applications or
examples should link against the non-debug versions of the
Intel(R) Threading Building Blocks libraries, and debug builds
should link against the debug versions of these libraries.  On
Windows* systems, compile with /MD and use Intel(R) Threading
Building Blocks release libraries, or compile with /MDd and use
debug libraries; not doing so may cause run-time failures.  See
the Tutorial in the product "doc" sub-directory for more details
on debug vs. release libraries.
    
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