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T
Hans Johnson e32d75f876 ENH: Update to TBB 2017 (2016-09-08 release) 
The new release TBB is now under a new more
open license.
                                 Apache License
                           Version 2.0, January 2004
                        http://www.apache.org/licenses/

The list of most significant changes made over time in
Intel(R) Threading Building Blocks (Intel(R) TBB).

Intel TBB 2017
TBB_INTERFACE_VERSION == 9100

Changes (w.r.t. Intel TBB 4.4 Update 5):

- static_partitioner class is now a fully supported feature.
- async_node class is now a fully supported feature.
- Improved dynamic memory allocation replacement on Windows* OS to skip
    DLLs for which replacement cannot be done, instead of aborting.
- Intel TBB no longer performs dynamic memory allocation replacement
    for Microsoft* Visual Studio* 2008.
- For 64-bit platforms, quadrupled the worst-case limit on the amount
    of memory the Intel TBB allocator can handle.
- Added TBB_USE_GLIBCXX_VERSION macro to specify the version of GNU
    libstdc++ when it cannot be properly recognized, e.g. when used
    with Clang on Linux* OS. Inspired by a contribution from David A.
- Added graph/stereo example to demostrate tbb::flow::async_msg.
- Removed a few cases of excessive user data copying in the flow graph.
- Reworked split_node to eliminate unnecessary overheads.
- Added support for C++11 move semantics to the argument of
    tbb::parallel_do_feeder::add() method.
- Added C++11 move constructor and assignment operator to
    tbb::combinable template class.
- Added tbb::this_task_arena::max_concurrency() function and
    max_concurrency() method of class task_arena returning the maximal
    number of threads that can work inside an arena.
- Deprecated tbb::task_arena::current_thread_index() static method;
    use tbb::this_task_arena::current_thread_index() function instead.
- All examples for commercial version of library moved online:
    https://software.intel.com/en-us/product-code-samples. Examples are
    available as a standalone package or as a part of Intel(R) Parallel
    Studio XE or Intel(R) System Studio Online Samples packages.

Changes affecting backward compatibility:

- Renamed following methods and types in async_node class:
    Old                   New
    async_gateway_type => gateway_type
    async_gateway()    => gateway()
    async_try_put()    => try_put()
    async_reserve()    => reserve_wait()
    async_commit()     => release_wait()
- Internal layout of some flow graph nodes has changed; recompilation
    is recommended for all binaries that use the flow graph.

Preview Features:

- Added template class streaming_node to the flow graph API. It allows
    a flow graph to offload computations to other devices through
    streaming or offloading APIs.
- Template class opencl_node reimplemented as a specialization of
    streaming_node that works with OpenCL*.
- Added tbb::this_task_arena::isolate() function to isolate execution
    of a group of tasks or an algorithm from other tasks submitted
    to the scheduler.

Bugs fixed:

- Added a workaround for GCC bug #62258 in std::rethrow_exception()
    to prevent possible problems in case of exception propagation.
- Fixed parallel_scan to provide correct result if the initial value
    of an accumulator is not the operation identity value.
- Fixed a memory corruption in the memory allocator when it meets
    internal limits.
- Fixed the memory allocator on 64-bit platforms to align memory
    to 16 bytes by default for all allocations bigger than 8 bytes.
- As a workaround for crashes in the Intel TBB library compiled with
    GCC 6, added -flifetime-dse=1 to compilation options on Linux* OS.
- Fixed a race in the flow graph implementation.

Open-source contributions integrated:

- Enabling use of C++11 'override' keyword by Raf Schietekat.

------------------------------------------------------------------------
2016-09-28 21:12:48 +02:00

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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="gad9aa7595581a7bc5be193d7e034c8f61"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void __TBB_EXPORTED_FUNC scalable_aligned_free </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>ptr</em>)</td><td></td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The "_aligned_free" analogue. </p>
</div>
</div>
<a class="anchor" id="ga903307de17bc1611515f8e6ae782a3d6"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void* __TBB_EXPORTED_FUNC scalable_aligned_malloc </td>
<td>(</td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>alignment</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The "_aligned_malloc" analogue. </p>
</div>
</div>
<a class="anchor" id="gaa07391c54330b2e4dd1743ae9c9c4f2d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void* __TBB_EXPORTED_FUNC scalable_aligned_realloc </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>ptr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>alignment</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The "_aligned_realloc" analogue. </p>
</div>
</div>
<a class="anchor" id="gabe5acd876b4d89bf89787c4e779c2518"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int __TBB_EXPORTED_FUNC scalable_allocation_command </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>cmd</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>param</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Call TBB allocator-specific commands. </p>
</div>
</div>
<a class="anchor" id="ga7f5029970f72ebbffee896c46a23958e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int __TBB_EXPORTED_FUNC scalable_allocation_mode </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>param</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">intptr_t&#160;</td>
<td class="paramname"><em>value</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set TBB allocator-specific allocation modes. </p>
</div>
</div>
<a class="anchor" id="ga3b4ff39555cd9e929fce2958325cd8ea"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void* __TBB_EXPORTED_FUNC scalable_calloc </td>
<td>(</td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>nobj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The "calloc" analogue complementing scalable_malloc. </p>
</div>
</div>
<a class="anchor" id="ga2ad3952b8c4dd7d293e02ae18fc37b84"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void __TBB_EXPORTED_FUNC scalable_free </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>ptr</em>)</td><td></td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The "free" analogue to discard a previously allocated piece of memory. </p>
<p>Referenced by <a class="el" href="a00121.html#a0632b19f25e5d5f86f18b3101925f488">tbb::scalable_allocator&lt; T &gt;::deallocate()</a>.</p>
</div>
</div>
<a class="anchor" id="ga2a5bdc71439a70b20f2eadf6e1a489e1"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void* __TBB_EXPORTED_FUNC scalable_malloc </td>
<td>(</td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>)</td><td></td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The "malloc" analogue to allocate block of memory of size bytes. </p>
<p>Referenced by <a class="el" href="a00121.html#acf24945c12dc0586dfb1f8638daf7838">tbb::scalable_allocator&lt; T &gt;::allocate()</a>.</p>
</div>
</div>
<a class="anchor" id="ga2b718206e50acb6392b86e4877d98213"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">size_t __TBB_EXPORTED_FUNC scalable_msize </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>ptr</em>)</td><td></td>
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<p>The analogue of <em>msize/malloc_size/malloc_usable_size. Returns the usable size of a memory block previously allocated by scalable</em>*, or 0 (zero) if ptr does not point to such a block. </p>
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<td class="memname">int __TBB_EXPORTED_FUNC scalable_posix_memalign </td>
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<td class="paramtype">size_t&#160;</td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
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<p>The "posix_memalign" analogue. </p>
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<td class="memname">void* __TBB_EXPORTED_FUNC scalable_realloc </td>
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<td class="paramtype">void *&#160;</td>
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<td class="paramkey"></td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
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<p>The "realloc" analogue complementing scalable_malloc. </p>
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<hr>
<p></p>
Copyright &copy; 2005-2016 Intel Corporation. All Rights Reserved.
<p></p>
Intel, Pentium, Intel Xeon, Itanium, Intel XScale and VTune are
registered trademarks or trademarks of Intel Corporation or its
subsidiaries in the United States and other countries.
<p></p>
* Other names and brands may be claimed as the property of others.
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