mirror of
https://github.com/wjakob/tbb.git
synced 2026-08-31 09:30:39 +08:00
Hans Johnson
e32d75f876
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.
------------------------------------------------------------------------
154 lines
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154 lines
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<li class="navelem"><a class="el" href="a00228.html">tbb</a></li><li class="navelem"><b>flow</b></li><li class="navelem"><b>interface9</b></li><li class="navelem"><b>internal</b></li><li class="navelem"><a class="el" href="a00160.html">untyped_sender</a></li> </ul>
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typedef <a class="el" href="a00159.html">untyped_receiver</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#a7b4e68e6917207283f5c621e7053c7ea">successor_type</a></td></tr>
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<tr class="memdesc:a7b4e68e6917207283f5c621e7053c7ea"><td class="mdescLeft"> </td><td class="mdescRight">The successor type for this node. <br/></td></tr>
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typedef <br class="typebreak"/>
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<a class="el" href="a00054.html">internal::edge_container</a><br class="typebreak"/>
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< <a class="el" href="a00160.html#a7b4e68e6917207283f5c621e7053c7ea">successor_type</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#a0d674709d3783ec5b42eb243069fed73">built_successors_type</a></td></tr>
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<tr class="memdesc:a0d674709d3783ec5b42eb243069fed73"><td class="mdescLeft"> </td><td class="mdescRight">interface to record edges for traversal & deletion <br/></td></tr>
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typedef <br class="typebreak"/>
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built_successors_type::edge_list_type </td><td class="memItemRight" valign="bottom"><b>successor_list_type</b></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a2298076f4c5e52a6c9c8a8e6fbfbd9de"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2298076f4c5e52a6c9c8a8e6fbfbd9de"></a>
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virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#a2298076f4c5e52a6c9c8a8e6fbfbd9de">register_successor</a> (<a class="el" href="a00160.html#a7b4e68e6917207283f5c621e7053c7ea">successor_type</a> &r)=0</td></tr>
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<tr class="memdesc:a2298076f4c5e52a6c9c8a8e6fbfbd9de"><td class="mdescLeft"> </td><td class="mdescRight">Add a new successor to this node. <br/></td></tr>
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virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#a32affec91647eba02f826f18f43e02e5">remove_successor</a> (<a class="el" href="a00160.html#a7b4e68e6917207283f5c621e7053c7ea">successor_type</a> &r)=0</td></tr>
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<tr class="memdesc:a32affec91647eba02f826f18f43e02e5"><td class="mdescLeft"> </td><td class="mdescRight">Removes a successor from this node. <br/></td></tr>
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virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#ac81ea252a8397324c865b035f67903ee">try_release</a> ()</td></tr>
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<tr class="memdesc:ac81ea252a8397324c865b035f67903ee"><td class="mdescLeft"> </td><td class="mdescRight">Releases the reserved item. <br/></td></tr>
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virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#acfb8e3669932e5866fb6afa603ff8250">try_consume</a> ()</td></tr>
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<tr class="memdesc:acfb8e3669932e5866fb6afa603ff8250"><td class="mdescLeft"> </td><td class="mdescRight">Consumes the reserved item. <br/></td></tr>
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virtual <a class="el" href="a00160.html#a0d674709d3783ec5b42eb243069fed73">built_successors_type</a> & </td><td class="memItemRight" valign="bottom"><b>built_successors</b> ()=0</td></tr>
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virtual void </td><td class="memItemRight" valign="bottom"><b>internal_add_built_successor</b> (<a class="el" href="a00160.html#a7b4e68e6917207283f5c621e7053c7ea">successor_type</a> &)=0</td></tr>
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virtual void </td><td class="memItemRight" valign="bottom"><b>internal_delete_built_successor</b> (<a class="el" href="a00160.html#a7b4e68e6917207283f5c621e7053c7ea">successor_type</a> &)=0</td></tr>
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virtual void </td><td class="memItemRight" valign="bottom"><b>copy_successors</b> (successor_list_type &)=0</td></tr>
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virtual size_t </td><td class="memItemRight" valign="bottom"><b>successor_count</b> ()=0</td></tr>
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Protected Member Functions</h2></td></tr>
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<tr class="memitem:a3c422ea58b7f11b6cc536539000a556e"><td class="memTemplParams" colspan="2"><a class="anchor" id="a3c422ea58b7f11b6cc536539000a556e"></a>
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template<typename X > </td></tr>
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<tr class="memitem:a3c422ea58b7f11b6cc536539000a556e"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00160.html#a3c422ea58b7f11b6cc536539000a556e">try_get</a> (X &t)</td></tr>
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<tr class="memdesc:a3c422ea58b7f11b6cc536539000a556e"><td class="mdescLeft"> </td><td class="mdescRight">Request an item from the sender. <br/></td></tr>
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template<typename X > </td></tr>
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<tr class="memitem:ad48b26c7dec4845e1cb374e9f1c59fea"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00160.html#ad48b26c7dec4845e1cb374e9f1c59fea">try_reserve</a> (X &t)</td></tr>
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<tr class="memdesc:ad48b26c7dec4845e1cb374e9f1c59fea"><td class="mdescLeft"> </td><td class="mdescRight">Reserves an item in the sender. <br/></td></tr>
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virtual bool </td><td class="memItemRight" valign="bottom"><b>try_get_wrapper</b> (void *p, bool is_async)=0</td></tr>
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virtual bool </td><td class="memItemRight" valign="bottom"><b>try_reserve_wrapper</b> (void *p, bool is_async)=0</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
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Friends</h2></td></tr>
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<tr class="memitem:a3cdf409b9c27b036b9cb0fd9ae00a4a8"><td class="memTemplParams" colspan="2"><a class="anchor" id="a3cdf409b9c27b036b9cb0fd9ae00a4a8"></a>
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template<typename , typename > </td></tr>
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<tr class="memitem:a3cdf409b9c27b036b9cb0fd9ae00a4a8"><td class="memTemplItemLeft" align="right" valign="top">class </td><td class="memTemplItemRight" valign="bottom"><b>internal::predecessor_cache</b></td></tr>
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template<typename , typename > </td></tr>
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<tr class="memitem:a3175bd06b97cbe15f7135fa6e0960d19"><td class="memTemplItemLeft" align="right" valign="top">class </td><td class="memTemplItemRight" valign="bottom"><b>internal::reservable_predecessor_cache</b></td></tr>
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</table>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li><a class="el" href="a00184.html">flow_graph.h</a></li>
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</ul>
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</div><!-- contents -->
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<hr>
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<p></p>
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Copyright © 2005-2016 Intel Corporation. All Rights Reserved.
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<p></p>
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Intel, Pentium, Intel Xeon, Itanium, Intel XScale and VTune are
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registered trademarks or trademarks of Intel Corporation or its
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subsidiaries in the United States and other countries.
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<p></p>
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* Other names and brands may be claimed as the property of others.
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