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| <h1>parallel_reduce.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
| <a name="l00002"></a>00002 <span class="comment"> Copyright 2005-2010 Intel Corporation. All Rights Reserved.</span> |
| <a name="l00003"></a>00003 <span class="comment"></span> |
| <a name="l00004"></a>00004 <span class="comment"> The source code contained or described herein and all documents related</span> |
| <a name="l00005"></a>00005 <span class="comment"> to the source code ("Material") are owned by Intel Corporation or its</span> |
| <a name="l00006"></a>00006 <span class="comment"> suppliers or licensors. Title to the Material remains with Intel</span> |
| <a name="l00007"></a>00007 <span class="comment"> Corporation or its suppliers and licensors. The Material is protected</span> |
| <a name="l00008"></a>00008 <span class="comment"> by worldwide copyright laws and treaty provisions. No part of the</span> |
| <a name="l00009"></a>00009 <span class="comment"> Material may be used, copied, reproduced, modified, published, uploaded,</span> |
| <a name="l00010"></a>00010 <span class="comment"> posted, transmitted, distributed, or disclosed in any way without</span> |
| <a name="l00011"></a>00011 <span class="comment"> Intel's prior express written permission.</span> |
| <a name="l00012"></a>00012 <span class="comment"></span> |
| <a name="l00013"></a>00013 <span class="comment"> No license under any patent, copyright, trade secret or other</span> |
| <a name="l00014"></a>00014 <span class="comment"> intellectual property right is granted to or conferred upon you by</span> |
| <a name="l00015"></a>00015 <span class="comment"> disclosure or delivery of the Materials, either expressly, by</span> |
| <a name="l00016"></a>00016 <span class="comment"> implication, inducement, estoppel or otherwise. Any license under such</span> |
| <a name="l00017"></a>00017 <span class="comment"> intellectual property rights must be express and approved by Intel in</span> |
| <a name="l00018"></a>00018 <span class="comment"> writing.</span> |
| <a name="l00019"></a>00019 <span class="comment">*/</span> |
| <a name="l00020"></a>00020 |
| <a name="l00021"></a>00021 <span class="preprocessor">#ifndef __TBB_parallel_reduce_H</span> |
| <a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define __TBB_parallel_reduce_H</span> |
| <a name="l00023"></a>00023 <span class="preprocessor"></span> |
| <a name="l00024"></a>00024 <span class="preprocessor">#include "task.h"</span> |
| <a name="l00025"></a>00025 <span class="preprocessor">#include "aligned_space.h"</span> |
| <a name="l00026"></a>00026 <span class="preprocessor">#include "partitioner.h"</span> |
| <a name="l00027"></a>00027 <span class="preprocessor">#include <new></span> |
| <a name="l00028"></a>00028 |
| <a name="l00029"></a>00029 <span class="keyword">namespace </span>tbb { |
| <a name="l00030"></a>00030 |
| <a name="l00032"></a>00032 <span class="keyword">namespace </span>internal { |
| <a name="l00033"></a>00033 |
| <a name="l00035"></a>00035 <span class="keywordtype">void</span> __TBB_EXPORTED_FUNC itt_store_pointer_with_release_v3( <span class="keywordtype">void</span>* dst, <span class="keywordtype">void</span>* src ); |
| <a name="l00036"></a>00036 |
| <a name="l00038"></a>00038 <span class="keywordtype">void</span>* __TBB_EXPORTED_FUNC itt_load_pointer_with_acquire_v3( <span class="keyword">const</span> <span class="keywordtype">void</span>* src ); |
| <a name="l00039"></a>00039 |
| <a name="l00040"></a>00040 <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">inline</span> <span class="keywordtype">void</span> parallel_reduce_store_body( T*& dst, T* src ) { |
| <a name="l00041"></a>00041 <span class="preprocessor">#if TBB_USE_THREADING_TOOLS</span> |
| <a name="l00042"></a>00042 <span class="preprocessor"></span> itt_store_pointer_with_release_v3(&dst,src); |
| <a name="l00043"></a>00043 <span class="preprocessor">#else</span> |
| <a name="l00044"></a>00044 <span class="preprocessor"></span> __TBB_store_with_release(dst,src); |
| <a name="l00045"></a>00045 <span class="preprocessor">#endif </span><span class="comment">/* TBB_USE_THREADING_TOOLS */</span> |
| <a name="l00046"></a>00046 } |
| <a name="l00047"></a>00047 |
| <a name="l00048"></a>00048 <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">inline</span> T* parallel_reduce_load_body( T*& src ) { |
| <a name="l00049"></a>00049 <span class="preprocessor">#if TBB_USE_THREADING_TOOLS</span> |
| <a name="l00050"></a>00050 <span class="preprocessor"></span> <span class="keywordflow">return</span> static_cast<T*>(itt_load_pointer_with_acquire_v3(&src)); |
| <a name="l00051"></a>00051 <span class="preprocessor">#else</span> |
| <a name="l00052"></a>00052 <span class="preprocessor"></span> <span class="keywordflow">return</span> __TBB_load_with_acquire(src); |
| <a name="l00053"></a>00053 <span class="preprocessor">#endif </span><span class="comment">/* TBB_USE_THREADING_TOOLS */</span> |
| <a name="l00054"></a>00054 } |
| <a name="l00055"></a>00055 |
| <a name="l00057"></a>00057 |
| <a name="l00058"></a>00058 <span class="keyword">typedef</span> <span class="keywordtype">char</span> reduction_context; |
| <a name="l00059"></a>00059 |
| <a name="l00061"></a>00061 |
| <a name="l00062"></a>00062 <span class="keyword">template</span><<span class="keyword">typename</span> Body> |
| <a name="l00063"></a>00063 <span class="keyword">class </span>finish_reduce: <span class="keyword">public</span> task { |
| <a name="l00065"></a>00065 Body* my_body; |
| <a name="l00066"></a>00066 <span class="keywordtype">bool</span> has_right_zombie; |
| <a name="l00067"></a>00067 <span class="keyword">const</span> reduction_context my_context; |
| <a name="l00068"></a>00068 aligned_space<Body,1> zombie_space; |
| <a name="l00069"></a>00069 finish_reduce( <span class="keywordtype">char</span> context_ ) : |
| <a name="l00070"></a>00070 my_body(NULL), |
| <a name="l00071"></a>00071 has_right_zombie(false), |
| <a name="l00072"></a>00072 my_context(context_) |
| <a name="l00073"></a>00073 { |
| <a name="l00074"></a>00074 } |
| <a name="l00075"></a>00075 task* execute() { |
| <a name="l00076"></a>00076 <span class="keywordflow">if</span>( has_right_zombie ) { |
| <a name="l00077"></a>00077 <span class="comment">// Right child was stolen.</span> |
| <a name="l00078"></a>00078 Body* s = zombie_space.begin(); |
| <a name="l00079"></a>00079 my_body->join( *s ); |
| <a name="l00080"></a>00080 s->~Body(); |
| <a name="l00081"></a>00081 } |
| <a name="l00082"></a>00082 <span class="keywordflow">if</span>( my_context==1 ) |
| <a name="l00083"></a>00083 parallel_reduce_store_body( static_cast<finish_reduce*>(parent())->my_body, my_body ); |
| <a name="l00084"></a>00084 <span class="keywordflow">return</span> NULL; |
| <a name="l00085"></a>00085 } |
| <a name="l00086"></a>00086 <span class="keyword">template</span><<span class="keyword">typename</span> Range,<span class="keyword">typename</span> Body_, <span class="keyword">typename</span> Partitioner> |
| <a name="l00087"></a>00087 <span class="keyword">friend</span> <span class="keyword">class </span>start_reduce; |
| <a name="l00088"></a>00088 }; |
| <a name="l00089"></a>00089 |
| <a name="l00091"></a>00091 |
| <a name="l00092"></a>00092 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Body, <span class="keyword">typename</span> Partitioner> |
| <a name="l00093"></a>00093 <span class="keyword">class </span>start_reduce: <span class="keyword">public</span> task { |
| <a name="l00094"></a>00094 <span class="keyword">typedef</span> finish_reduce<Body> finish_type; |
| <a name="l00095"></a>00095 Body* my_body; |
| <a name="l00096"></a>00096 Range my_range; |
| <a name="l00097"></a>00097 <span class="keyword">typename</span> Partitioner::partition_type my_partition; |
| <a name="l00098"></a>00098 reduction_context my_context; |
| <a name="l00099"></a>00099 <span class="comment">/*override*/</span> task* execute(); |
| <a name="l00100"></a>00100 <span class="keyword">template</span><<span class="keyword">typename</span> Body_> |
| <a name="l00101"></a>00101 <span class="keyword">friend</span> <span class="keyword">class </span>finish_reduce; |
| <a name="l00102"></a>00102 |
| <a name="l00104"></a>00104 start_reduce( <span class="keyword">const</span> Range& range, Body* body, Partitioner& partitioner ) : |
| <a name="l00105"></a>00105 my_body(body), |
| <a name="l00106"></a>00106 my_range(range), |
| <a name="l00107"></a>00107 my_partition(partitioner), |
| <a name="l00108"></a>00108 my_context(0) |
| <a name="l00109"></a>00109 { |
| <a name="l00110"></a>00110 } |
| <a name="l00112"></a>00112 |
| <a name="l00113"></a>00113 start_reduce( start_reduce& parent_, split ) : |
| <a name="l00114"></a>00114 my_body(parent_.my_body), |
| <a name="l00115"></a>00115 my_range(parent_.my_range,split()), |
| <a name="l00116"></a>00116 my_partition(parent_.my_partition,split()), |
| <a name="l00117"></a>00117 my_context(2) |
| <a name="l00118"></a>00118 { |
| <a name="l00119"></a>00119 my_partition.set_affinity(*<span class="keyword">this</span>); |
| <a name="l00120"></a>00120 parent_.my_context = 1; |
| <a name="l00121"></a>00121 } |
| <a name="l00123"></a>00123 <span class="comment">/*override*/</span> <span class="keywordtype">void</span> note_affinity( affinity_id <span class="keywordtype">id</span> ) { |
| <a name="l00124"></a>00124 my_partition.note_affinity( <span class="keywordtype">id</span> ); |
| <a name="l00125"></a>00125 } |
| <a name="l00126"></a>00126 |
| <a name="l00127"></a>00127 <span class="keyword">public</span>: |
| <a name="l00128"></a>00128 <span class="keyword">static</span> <span class="keywordtype">void</span> run( <span class="keyword">const</span> Range& range, Body& body, Partitioner& partitioner ) { |
| <a name="l00129"></a>00129 <span class="keywordflow">if</span>( !range.empty() ) { |
| <a name="l00130"></a>00130 #<span class="keywordflow">if</span> !__TBB_TASK_GROUP_CONTEXT || TBB_JOIN_OUTER_TASK_GROUP |
| <a name="l00131"></a>00131 <a class="code" href="a00199.html#ce8ce689c26a4ddf343829bc3c73290a">task::spawn_root_and_wait</a>( *<span class="keyword">new</span>(<a class="code" href="a00199.html#23acb0da0afd690da797f9f882027d34">task::allocate_root</a>()) start_reduce(range,&body,partitioner) ); |
| <a name="l00132"></a>00132 <span class="preprocessor">#else</span> |
| <a name="l00133"></a>00133 <span class="preprocessor"></span> <span class="comment">// Bound context prevents exceptions from body to affect nesting or sibling algorithms,</span> |
| <a name="l00134"></a>00134 <span class="comment">// and allows users to handle exceptions safely by wrapping parallel_for in the try-block.</span> |
| <a name="l00135"></a>00135 task_group_context context; |
| <a name="l00136"></a>00136 <a class="code" href="a00199.html#ce8ce689c26a4ddf343829bc3c73290a">task::spawn_root_and_wait</a>( *<span class="keyword">new</span>(task::allocate_root(context)) start_reduce(range,&body,partitioner) ); |
| <a name="l00137"></a>00137 <span class="preprocessor">#endif </span><span class="comment">/* __TBB_TASK_GROUP_CONTEXT && !TBB_JOIN_OUTER_TASK_GROUP */</span> |
| <a name="l00138"></a>00138 } |
| <a name="l00139"></a>00139 } |
| <a name="l00140"></a>00140 <span class="preprocessor">#if __TBB_TASK_GROUP_CONTEXT</span> |
| <a name="l00141"></a>00141 <span class="preprocessor"></span> <span class="keyword">static</span> <span class="keywordtype">void</span> run( <span class="keyword">const</span> Range& range, Body& body, Partitioner& partitioner, task_group_context& context ) { |
| <a name="l00142"></a>00142 <span class="keywordflow">if</span>( !range.empty() ) |
| <a name="l00143"></a>00143 <a class="code" href="a00199.html#ce8ce689c26a4ddf343829bc3c73290a">task::spawn_root_and_wait</a>( *<span class="keyword">new</span>(task::allocate_root(context)) start_reduce(range,&body,partitioner) ); |
| <a name="l00144"></a>00144 } |
| <a name="l00145"></a>00145 <span class="preprocessor">#endif </span><span class="comment">/* __TBB_TASK_GROUP_CONTEXT */</span> |
| <a name="l00146"></a>00146 }; |
| <a name="l00147"></a>00147 |
| <a name="l00148"></a>00148 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Body, <span class="keyword">typename</span> Partitioner> |
| <a name="l00149"></a>00149 task* start_reduce<Range,Body,Partitioner>::execute() { |
| <a name="l00150"></a>00150 <span class="keywordflow">if</span>( my_context==2 ) { |
| <a name="l00151"></a>00151 finish_type* p = static_cast<finish_type*>(parent() ); |
| <a name="l00152"></a>00152 <span class="keywordflow">if</span>( !parallel_reduce_load_body(p->my_body) ) { |
| <a name="l00153"></a>00153 my_body = <span class="keyword">new</span>( p->zombie_space.begin() ) Body(*my_body,split()); |
| <a name="l00154"></a>00154 p->has_right_zombie = <span class="keyword">true</span>; |
| <a name="l00155"></a>00155 } |
| <a name="l00156"></a>00156 } |
| <a name="l00157"></a>00157 <span class="keywordflow">if</span>( !my_range.is_divisible() || my_partition.should_execute_range(*<span class="keyword">this</span>) ) { |
| <a name="l00158"></a>00158 (*my_body)( my_range ); |
| <a name="l00159"></a>00159 <span class="keywordflow">if</span>( my_context==1 ) |
| <a name="l00160"></a>00160 parallel_reduce_store_body(static_cast<finish_type*>(parent())->my_body, my_body ); |
| <a name="l00161"></a>00161 <span class="keywordflow">return</span> my_partition.continue_after_execute_range(); |
| <a name="l00162"></a>00162 } <span class="keywordflow">else</span> { |
| <a name="l00163"></a>00163 finish_type& c = *<span class="keyword">new</span>( allocate_continuation()) finish_type(my_context); |
| <a name="l00164"></a>00164 recycle_as_child_of(c); |
| <a name="l00165"></a>00165 c.set_ref_count(2); |
| <a name="l00166"></a>00166 <span class="keywordtype">bool</span> delay = my_partition.decide_whether_to_delay(); |
| <a name="l00167"></a>00167 start_reduce& b = *<span class="keyword">new</span>( c.allocate_child() ) start_reduce(*<span class="keyword">this</span>,split()); |
| <a name="l00168"></a>00168 my_partition.spawn_or_delay(delay,b); |
| <a name="l00169"></a>00169 <span class="keywordflow">return</span> <span class="keyword">this</span>; |
| <a name="l00170"></a>00170 } |
| <a name="l00171"></a>00171 } |
| <a name="l00172"></a>00172 |
| <a name="l00174"></a>00174 |
| <a name="l00178"></a>00178 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Value, <span class="keyword">typename</span> RealBody, <span class="keyword">typename</span> Reduction> |
| <a name="l00179"></a>00179 <span class="keyword">class </span>lambda_reduce_body { |
| <a name="l00180"></a>00180 |
| <a name="l00181"></a>00181 <span class="comment">//FIXME: decide if my_real_body, my_reduction, and identity_element should be copied or referenced</span> |
| <a name="l00182"></a>00182 <span class="comment">// (might require some performance measurements)</span> |
| <a name="l00183"></a>00183 |
| <a name="l00184"></a>00184 <span class="keyword">const</span> Value& identity_element; |
| <a name="l00185"></a>00185 <span class="keyword">const</span> RealBody& my_real_body; |
| <a name="l00186"></a>00186 <span class="keyword">const</span> Reduction& my_reduction; |
| <a name="l00187"></a>00187 Value my_value; |
| <a name="l00188"></a>00188 lambda_reduce_body& operator= ( <span class="keyword">const</span> lambda_reduce_body& other ); |
| <a name="l00189"></a>00189 <span class="keyword">public</span>: |
| <a name="l00190"></a>00190 lambda_reduce_body( <span class="keyword">const</span> Value& identity, <span class="keyword">const</span> RealBody& body, <span class="keyword">const</span> Reduction& reduction ) |
| <a name="l00191"></a>00191 : identity_element(identity) |
| <a name="l00192"></a>00192 , my_real_body(body) |
| <a name="l00193"></a>00193 , my_reduction(reduction) |
| <a name="l00194"></a>00194 , my_value(identity) |
| <a name="l00195"></a>00195 { } |
| <a name="l00196"></a>00196 lambda_reduce_body( <span class="keyword">const</span> lambda_reduce_body& other ) |
| <a name="l00197"></a>00197 : identity_element(other.identity_element) |
| <a name="l00198"></a>00198 , my_real_body(other.my_real_body) |
| <a name="l00199"></a>00199 , my_reduction(other.my_reduction) |
| <a name="l00200"></a>00200 , my_value(other.my_value) |
| <a name="l00201"></a>00201 { } |
| <a name="l00202"></a>00202 lambda_reduce_body( lambda_reduce_body& other, <a class="code" href="a00198.html">tbb::split</a> ) |
| <a name="l00203"></a>00203 : identity_element(other.identity_element) |
| <a name="l00204"></a>00204 , my_real_body(other.my_real_body) |
| <a name="l00205"></a>00205 , my_reduction(other.my_reduction) |
| <a name="l00206"></a>00206 , my_value(other.identity_element) |
| <a name="l00207"></a>00207 { } |
| <a name="l00208"></a>00208 <span class="keywordtype">void</span> operator()(Range& range) { |
| <a name="l00209"></a>00209 my_value = my_real_body(range, const_cast<const Value&>(my_value)); |
| <a name="l00210"></a>00210 } |
| <a name="l00211"></a>00211 <span class="keywordtype">void</span> join( lambda_reduce_body& rhs ) { |
| <a name="l00212"></a>00212 my_value = my_reduction(const_cast<const Value&>(my_value), const_cast<const Value&>(rhs.my_value)); |
| <a name="l00213"></a>00213 } |
| <a name="l00214"></a>00214 Value result()<span class="keyword"> const </span>{ |
| <a name="l00215"></a>00215 <span class="keywordflow">return</span> my_value; |
| <a name="l00216"></a>00216 } |
| <a name="l00217"></a>00217 }; |
| <a name="l00218"></a>00218 |
| <a name="l00219"></a>00219 } <span class="comment">// namespace internal</span> |
| <a name="l00221"></a>00221 <span class="comment"></span> |
| <a name="l00222"></a>00222 <span class="comment">// Requirements on Range concept are documented in blocked_range.h</span> |
| <a name="l00223"></a>00223 |
| <a name="l00242"></a>00242 |
| <a name="l00244"></a>00244 |
| <a name="l00245"></a>00245 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Body> |
| <a name="l00246"></a><a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">00246</a> <span class="keywordtype">void</span> <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, Body& body ) { |
| <a name="l00247"></a>00247 internal::start_reduce<Range,Body, const __TBB_DEFAULT_PARTITIONER>::run( range, body, __TBB_DEFAULT_PARTITIONER() ); |
| <a name="l00248"></a>00248 } |
| <a name="l00249"></a>00249 |
| <a name="l00251"></a>00251 |
| <a name="l00252"></a>00252 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Body> |
| <a name="l00253"></a><a class="code" href="a00274.html#gec1b7c03f9da909bef5db12e3d41bed3">00253</a> <span class="keywordtype">void</span> <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, Body& body, <span class="keyword">const</span> <a class="code" href="a00193.html">simple_partitioner</a>& partitioner ) { |
| <a name="l00254"></a>00254 internal::start_reduce<Range,Body,const simple_partitioner>::run( range, body, partitioner ); |
| <a name="l00255"></a>00255 } |
| <a name="l00256"></a>00256 |
| <a name="l00258"></a>00258 |
| <a name="l00259"></a>00259 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Body> |
| <a name="l00260"></a><a class="code" href="a00274.html#g18a19157e6245992fc00ca0adeb7dd37">00260</a> <span class="keywordtype">void</span> <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, Body& body, <span class="keyword">const</span> <a class="code" href="a00146.html">auto_partitioner</a>& partitioner ) { |
| <a name="l00261"></a>00261 internal::start_reduce<Range,Body,const auto_partitioner>::run( range, body, partitioner ); |
| <a name="l00262"></a>00262 } |
| <a name="l00263"></a>00263 |
| <a name="l00265"></a>00265 |
| <a name="l00266"></a>00266 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Body> |
| <a name="l00267"></a><a class="code" href="a00274.html#gc61e73fcc36c92d79a217fc355ff4a6b">00267</a> <span class="keywordtype">void</span> <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, Body& body, <a class="code" href="a00141.html">affinity_partitioner</a>& partitioner ) { |
| <a name="l00268"></a>00268 internal::start_reduce<Range,Body,affinity_partitioner>::run( range, body, partitioner ); |
| <a name="l00269"></a>00269 } |
| <a name="l00270"></a>00270 |
| <a name="l00271"></a>00271 <span class="preprocessor">#if __TBB_TASK_GROUP_CONTEXT</span> |
| <a name="l00273"></a>00273 <span class="preprocessor"></span> |
| <a name="l00274"></a>00274 <span class="preprocessor">template<typename Range, typename Body></span> |
| <a name="l00275"></a><a class="code" href="a00274.html#g45cb00c42a18e334bbde8b7535afe460">00275</a> <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, Body& body, <span class="keyword">const</span> <a class="code" href="a00193.html">simple_partitioner</a>& partitioner, <a class="code" href="a00201.html">task_group_context</a>& context ) { |
| <a name="l00276"></a>00276 internal::start_reduce<Range,Body,const simple_partitioner>::run( range, body, partitioner, context ); |
| <a name="l00277"></a>00277 } |
| <a name="l00278"></a>00278 |
| <a name="l00280"></a>00280 |
| <a name="l00281"></a>00281 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Body> |
| <a name="l00282"></a><a class="code" href="a00274.html#g1c1ea1d7c61b3c225e92c70d669a53a5">00282</a> <span class="keywordtype">void</span> <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, Body& body, <span class="keyword">const</span> <a class="code" href="a00146.html">auto_partitioner</a>& partitioner, <a class="code" href="a00201.html">task_group_context</a>& context ) { |
| <a name="l00283"></a>00283 internal::start_reduce<Range,Body,const auto_partitioner>::run( range, body, partitioner, context ); |
| <a name="l00284"></a>00284 } |
| <a name="l00285"></a>00285 |
| <a name="l00287"></a>00287 |
| <a name="l00288"></a>00288 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Body> |
| <a name="l00289"></a><a class="code" href="a00274.html#gd9ac3a3811060314695f33b703c6e11b">00289</a> <span class="keywordtype">void</span> <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, Body& body, <a class="code" href="a00141.html">affinity_partitioner</a>& partitioner, <a class="code" href="a00201.html">task_group_context</a>& context ) { |
| <a name="l00290"></a>00290 internal::start_reduce<Range,Body,affinity_partitioner>::run( range, body, partitioner, context ); |
| <a name="l00291"></a>00291 } |
| <a name="l00292"></a>00292 <span class="preprocessor">#endif </span><span class="comment">/* __TBB_TASK_GROUP_CONTEXT */</span> |
| <a name="l00293"></a>00293 |
| <a name="l00297"></a>00297 |
| <a name="l00298"></a>00298 |
| <a name="l00299"></a>00299 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Value, <span class="keyword">typename</span> RealBody, <span class="keyword">typename</span> Reduction> |
| <a name="l00300"></a><a class="code" href="a00274.html#gc9412e09fb01fcad8c018ea9cffb28ef">00300</a> Value <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, <span class="keyword">const</span> Value& identity, <span class="keyword">const</span> RealBody& real_body, <span class="keyword">const</span> Reduction& reduction ) { |
| <a name="l00301"></a>00301 internal::lambda_reduce_body<Range,Value,RealBody,Reduction> body(identity, real_body, reduction); |
| <a name="l00302"></a>00302 internal::start_reduce<Range,internal::lambda_reduce_body<Range,Value,RealBody,Reduction>,<span class="keyword">const</span> __TBB_DEFAULT_PARTITIONER> |
| <a name="l00303"></a>00303 ::run(range, body, __TBB_DEFAULT_PARTITIONER() ); |
| <a name="l00304"></a>00304 <span class="keywordflow">return</span> body.result(); |
| <a name="l00305"></a>00305 } |
| <a name="l00306"></a>00306 |
| <a name="l00308"></a>00308 |
| <a name="l00309"></a>00309 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Value, <span class="keyword">typename</span> RealBody, <span class="keyword">typename</span> Reduction> |
| <a name="l00310"></a><a class="code" href="a00274.html#gaddffeec0e892ac3d6fc7fc2053e1eca">00310</a> Value <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, <span class="keyword">const</span> Value& identity, <span class="keyword">const</span> RealBody& real_body, <span class="keyword">const</span> Reduction& reduction, |
| <a name="l00311"></a>00311 <span class="keyword">const</span> <a class="code" href="a00193.html">simple_partitioner</a>& partitioner ) { |
| <a name="l00312"></a>00312 internal::lambda_reduce_body<Range,Value,RealBody,Reduction> body(identity, real_body, reduction); |
| <a name="l00313"></a>00313 internal::start_reduce<Range,internal::lambda_reduce_body<Range,Value,RealBody,Reduction>,<span class="keyword">const</span> <a class="code" href="a00193.html">simple_partitioner</a>> |
| <a name="l00314"></a>00314 ::run(range, body, partitioner ); |
| <a name="l00315"></a>00315 <span class="keywordflow">return</span> body.result(); |
| <a name="l00316"></a>00316 } |
| <a name="l00317"></a>00317 |
| <a name="l00319"></a>00319 |
| <a name="l00320"></a>00320 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Value, <span class="keyword">typename</span> RealBody, <span class="keyword">typename</span> Reduction> |
| <a name="l00321"></a><a class="code" href="a00274.html#gb175401f0729e40dd2c5860a17c14385">00321</a> Value <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, <span class="keyword">const</span> Value& identity, <span class="keyword">const</span> RealBody& real_body, <span class="keyword">const</span> Reduction& reduction, |
| <a name="l00322"></a>00322 <span class="keyword">const</span> <a class="code" href="a00146.html">auto_partitioner</a>& partitioner ) { |
| <a name="l00323"></a>00323 internal::lambda_reduce_body<Range,Value,RealBody,Reduction> body(identity, real_body, reduction); |
| <a name="l00324"></a>00324 internal::start_reduce<Range,internal::lambda_reduce_body<Range,Value,RealBody,Reduction>,<span class="keyword">const</span> <a class="code" href="a00146.html">auto_partitioner</a>> |
| <a name="l00325"></a>00325 ::run( range, body, partitioner ); |
| <a name="l00326"></a>00326 <span class="keywordflow">return</span> body.result(); |
| <a name="l00327"></a>00327 } |
| <a name="l00328"></a>00328 |
| <a name="l00330"></a>00330 |
| <a name="l00331"></a>00331 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Value, <span class="keyword">typename</span> RealBody, <span class="keyword">typename</span> Reduction> |
| <a name="l00332"></a><a class="code" href="a00274.html#gb7f1f1828ae2b330ce05b8513a495154">00332</a> Value <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, <span class="keyword">const</span> Value& identity, <span class="keyword">const</span> RealBody& real_body, <span class="keyword">const</span> Reduction& reduction, |
| <a name="l00333"></a>00333 <a class="code" href="a00141.html">affinity_partitioner</a>& partitioner ) { |
| <a name="l00334"></a>00334 internal::lambda_reduce_body<Range,Value,RealBody,Reduction> body(identity, real_body, reduction); |
| <a name="l00335"></a>00335 internal::start_reduce<Range,internal::lambda_reduce_body<Range,Value,RealBody,Reduction>,<a class="code" href="a00141.html">affinity_partitioner</a>> |
| <a name="l00336"></a>00336 ::run( range, body, partitioner ); |
| <a name="l00337"></a>00337 <span class="keywordflow">return</span> body.result(); |
| <a name="l00338"></a>00338 } |
| <a name="l00339"></a>00339 |
| <a name="l00340"></a>00340 <span class="preprocessor">#if __TBB_TASK_GROUP_CONTEXT</span> |
| <a name="l00342"></a>00342 <span class="preprocessor"></span> |
| <a name="l00343"></a>00343 <span class="preprocessor">template<typename Range, typename Value, typename RealBody, typename Reduction></span> |
| <a name="l00344"></a><a class="code" href="a00274.html#gfbc0cc2026d87f11a96bcd62788f5bb5">00344</a> <span class="preprocessor"></span>Value <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, <span class="keyword">const</span> Value& identity, <span class="keyword">const</span> RealBody& real_body, <span class="keyword">const</span> Reduction& reduction, |
| <a name="l00345"></a>00345 <span class="keyword">const</span> <a class="code" href="a00193.html">simple_partitioner</a>& partitioner, <a class="code" href="a00201.html">task_group_context</a>& context ) { |
| <a name="l00346"></a>00346 internal::lambda_reduce_body<Range,Value,RealBody,Reduction> body(identity, real_body, reduction); |
| <a name="l00347"></a>00347 internal::start_reduce<Range,internal::lambda_reduce_body<Range,Value,RealBody,Reduction>,<span class="keyword">const</span> <a class="code" href="a00193.html">simple_partitioner</a>> |
| <a name="l00348"></a>00348 ::run( range, body, partitioner, context ); |
| <a name="l00349"></a>00349 <span class="keywordflow">return</span> body.result(); |
| <a name="l00350"></a>00350 } |
| <a name="l00351"></a>00351 |
| <a name="l00353"></a>00353 |
| <a name="l00354"></a>00354 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Value, <span class="keyword">typename</span> RealBody, <span class="keyword">typename</span> Reduction> |
| <a name="l00355"></a><a class="code" href="a00274.html#g630c90a399937d9d4ae70ff883186dfd">00355</a> Value <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, <span class="keyword">const</span> Value& identity, <span class="keyword">const</span> RealBody& real_body, <span class="keyword">const</span> Reduction& reduction, |
| <a name="l00356"></a>00356 <span class="keyword">const</span> <a class="code" href="a00146.html">auto_partitioner</a>& partitioner, <a class="code" href="a00201.html">task_group_context</a>& context ) { |
| <a name="l00357"></a>00357 internal::lambda_reduce_body<Range,Value,RealBody,Reduction> body(identity, real_body, reduction); |
| <a name="l00358"></a>00358 internal::start_reduce<Range,internal::lambda_reduce_body<Range,Value,RealBody,Reduction>,<span class="keyword">const</span> <a class="code" href="a00146.html">auto_partitioner</a>> |
| <a name="l00359"></a>00359 ::run( range, body, partitioner, context ); |
| <a name="l00360"></a>00360 <span class="keywordflow">return</span> body.result(); |
| <a name="l00361"></a>00361 } |
| <a name="l00362"></a>00362 |
| <a name="l00364"></a>00364 |
| <a name="l00365"></a>00365 <span class="keyword">template</span><<span class="keyword">typename</span> Range, <span class="keyword">typename</span> Value, <span class="keyword">typename</span> RealBody, <span class="keyword">typename</span> Reduction> |
| <a name="l00366"></a><a class="code" href="a00274.html#g496bd7eadb3b97495ccb5655ef90319e">00366</a> Value <a class="code" href="a00274.html#g1b3d59c5eb62683c5754db6970392fa3">parallel_reduce</a>( <span class="keyword">const</span> Range& range, <span class="keyword">const</span> Value& identity, <span class="keyword">const</span> RealBody& real_body, <span class="keyword">const</span> Reduction& reduction, |
| <a name="l00367"></a>00367 <a class="code" href="a00141.html">affinity_partitioner</a>& partitioner, <a class="code" href="a00201.html">task_group_context</a>& context ) { |
| <a name="l00368"></a>00368 internal::lambda_reduce_body<Range,Value,RealBody,Reduction> body(identity, real_body, reduction); |
| <a name="l00369"></a>00369 internal::start_reduce<Range,internal::lambda_reduce_body<Range,Value,RealBody,Reduction>,<a class="code" href="a00141.html">affinity_partitioner</a>> |
| <a name="l00370"></a>00370 ::run( range, body, partitioner, context ); |
| <a name="l00371"></a>00371 <span class="keywordflow">return</span> body.result(); |
| <a name="l00372"></a>00372 } |
| <a name="l00373"></a>00373 <span class="preprocessor">#endif </span><span class="comment">/* __TBB_TASK_GROUP_CONTEXT */</span> |
| <a name="l00374"></a>00374 |
| <a name="l00375"></a>00375 |
| <a name="l00376"></a>00376 } <span class="comment">// namespace tbb</span> |
| <a name="l00377"></a>00377 |
| <a name="l00378"></a>00378 <span class="preprocessor">#endif </span><span class="comment">/* __TBB_parallel_reduce_H */</span> |
| <a name="l00379"></a>00379 |
| </pre></div><hr> |
| <p></p> |
| Copyright © 2005-2010 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. |
