| 1 | /* | 
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| 2 | Copyright (c) 2005-2019 Intel Corporation | 
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| 3 |  | 
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| 4 | Licensed under the Apache License, Version 2.0 (the "License"); | 
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| 5 | you may not use this file except in compliance with the License. | 
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| 6 | You may obtain a copy of the License at | 
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| 7 |  | 
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| 8 | http://www.apache.org/licenses/LICENSE-2.0 | 
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| 9 |  | 
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| 10 | Unless required by applicable law or agreed to in writing, software | 
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| 11 | distributed under the License is distributed on an "AS IS" BASIS, | 
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| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
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| 13 | See the License for the specific language governing permissions and | 
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| 14 | limitations under the License. | 
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| 15 | */ | 
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| 16 |  | 
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| 17 | #include "harness.h" | 
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| 18 | #if __TBB_CPF_BUILD | 
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| 19 | #define TBB_DEPRECATED_FLOW_NODE_EXTRACTION 1 | 
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| 20 | #include "harness_graph.h" | 
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| 21 | #endif | 
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| 22 | #include "tbb/flow_graph.h" | 
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| 23 | #include "tbb/atomic.h" | 
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| 24 | #include "tbb/task_scheduler_init.h" | 
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| 25 |  | 
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| 26 | const int L = 10; | 
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| 27 | const int N = 1000; | 
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| 28 |  | 
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| 29 | using tbb::flow::internal::SUCCESSFULLY_ENQUEUED; | 
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| 30 |  | 
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| 31 | template< typename T > | 
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| 32 | struct serial_receiver : public tbb::flow::receiver<T>, NoAssign { | 
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| 33 | T next_value; | 
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| 34 | tbb::flow::graph& my_graph; | 
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| 35 |  | 
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| 36 | serial_receiver(tbb::flow::graph& g) : next_value(T(0)), my_graph(g) {} | 
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| 37 |  | 
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| 38 | tbb::task *try_put_task( const T &v ) __TBB_override { | 
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| 39 | ASSERT( next_value++  == v, NULL ); | 
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| 40 | return const_cast<tbb::task *>(SUCCESSFULLY_ENQUEUED); | 
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| 41 | } | 
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| 42 |  | 
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| 43 | tbb::flow::graph& graph_reference() __TBB_override { | 
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| 44 | return my_graph; | 
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| 45 | } | 
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| 46 |  | 
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| 47 | #if TBB_DEPRECATED_FLOW_NODE_EXTRACTION | 
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| 48 | typedef typename tbb::flow::receiver<T>::built_predecessors_type built_predecessors_type; | 
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| 49 | typedef typename tbb::flow::receiver<T>::predecessor_list_type predecessor_list_type; | 
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| 50 | typedef typename tbb::flow::receiver<T>::predecessor_type predecessor_type; | 
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| 51 | built_predecessors_type bpt; | 
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| 52 | built_predecessors_type &built_predecessors() __TBB_override { return bpt; } | 
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| 53 | void internal_add_built_predecessor( predecessor_type & ) __TBB_override { } | 
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| 54 | void internal_delete_built_predecessor( predecessor_type & ) __TBB_override { } | 
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| 55 | void copy_predecessors( predecessor_list_type & ) __TBB_override { } | 
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| 56 | size_t predecessor_count() __TBB_override { return 0; } | 
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| 57 | #endif | 
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| 58 |  | 
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| 59 | void reset_receiver(tbb::flow::reset_flags /*f*/) __TBB_override {next_value = T(0);} | 
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| 60 | }; | 
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| 61 |  | 
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| 62 | template< typename T > | 
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| 63 | struct parallel_receiver : public tbb::flow::receiver<T>, NoAssign { | 
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| 64 |  | 
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| 65 | tbb::atomic<int> my_count; | 
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| 66 | tbb::flow::graph& my_graph; | 
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| 67 |  | 
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| 68 | parallel_receiver(tbb::flow::graph& g) : my_graph(g) { my_count = 0; } | 
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| 69 |  | 
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| 70 | tbb::task *try_put_task( const T &/*v*/ ) __TBB_override { | 
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| 71 | ++my_count; | 
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| 72 | return const_cast<tbb::task *>(tbb::flow::internal::SUCCESSFULLY_ENQUEUED); | 
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| 73 | } | 
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| 74 |  | 
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| 75 | tbb::flow::graph& graph_reference() __TBB_override { | 
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| 76 | return my_graph; | 
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| 77 | } | 
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| 78 |  | 
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| 79 | #if TBB_DEPRECATED_FLOW_NODE_EXTRACTION | 
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| 80 | typedef typename tbb::flow::receiver<T>::built_predecessors_type built_predecessors_type; | 
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| 81 | typedef typename tbb::flow::receiver<T>::predecessor_list_type predecessor_list_type; | 
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| 82 | typedef typename tbb::flow::receiver<T>::predecessor_type predecessor_type; | 
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| 83 | built_predecessors_type bpt; | 
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| 84 | built_predecessors_type &built_predecessors() __TBB_override { return bpt; } | 
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| 85 | void internal_add_built_predecessor( predecessor_type & ) __TBB_override { } | 
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| 86 | void internal_delete_built_predecessor( predecessor_type & ) __TBB_override { } | 
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| 87 | void copy_predecessors( predecessor_list_type & ) __TBB_override { } | 
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| 88 | size_t predecessor_count( ) __TBB_override { return 0; } | 
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| 89 | #endif | 
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| 90 | void reset_receiver(tbb::flow::reset_flags /*f*/) __TBB_override {my_count = 0;} | 
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| 91 | }; | 
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| 92 |  | 
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| 93 | template< typename T > | 
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| 94 | struct empty_sender : public tbb::flow::sender<T> { | 
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| 95 | typedef typename tbb::flow::sender<T>::successor_type successor_type; | 
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| 96 |  | 
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| 97 | bool register_successor( successor_type & ) __TBB_override { return false; } | 
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| 98 | bool remove_successor( successor_type & ) __TBB_override { return false; } | 
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| 99 | #if TBB_DEPRECATED_FLOW_NODE_EXTRACTION | 
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| 100 | typedef typename tbb::flow::sender<T>::built_successors_type built_successors_type; | 
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| 101 | typedef typename tbb::flow::sender<T>::successor_list_type successor_list_type; | 
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| 102 | built_successors_type bst; | 
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| 103 | built_successors_type &built_successors() __TBB_override { return bst; } | 
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| 104 | void    internal_add_built_successor( successor_type & ) __TBB_override { } | 
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| 105 | void internal_delete_built_successor( successor_type & ) __TBB_override { } | 
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| 106 | void copy_successors( successor_list_type & ) __TBB_override { } | 
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| 107 | size_t successor_count() __TBB_override { return 0; } | 
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| 108 | #endif | 
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| 109 | }; | 
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| 110 |  | 
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| 111 |  | 
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| 112 | template< typename T > | 
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| 113 | struct put_body : NoAssign { | 
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| 114 |  | 
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| 115 | tbb::flow::limiter_node<T> &my_lim; | 
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| 116 | tbb::atomic<int> &my_accept_count; | 
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| 117 |  | 
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| 118 | put_body( tbb::flow::limiter_node<T> &lim, tbb::atomic<int> &accept_count ) : | 
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| 119 | my_lim(lim), my_accept_count(accept_count) {} | 
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| 120 |  | 
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| 121 | void operator()( int ) const { | 
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| 122 | for ( int i = 0; i < L; ++i ) { | 
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| 123 | bool msg = my_lim.try_put( T(i) ); | 
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| 124 | if ( msg == true ) | 
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| 125 | ++my_accept_count; | 
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| 126 | } | 
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| 127 | } | 
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| 128 | }; | 
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| 129 |  | 
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| 130 | template< typename T > | 
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| 131 | struct put_dec_body : NoAssign { | 
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| 132 |  | 
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| 133 | tbb::flow::limiter_node<T> &my_lim; | 
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| 134 | tbb::atomic<int> &my_accept_count; | 
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| 135 |  | 
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| 136 | put_dec_body( tbb::flow::limiter_node<T> &lim, tbb::atomic<int> &accept_count ) : | 
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| 137 | my_lim(lim), my_accept_count(accept_count) {} | 
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| 138 |  | 
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| 139 | void operator()( int ) const { | 
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| 140 | int local_accept_count = 0; | 
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| 141 | while ( local_accept_count < N ) { | 
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| 142 | bool msg = my_lim.try_put( T(local_accept_count) ); | 
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| 143 | if ( msg == true ) { | 
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| 144 | ++local_accept_count; | 
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| 145 | ++my_accept_count; | 
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| 146 | my_lim.decrement.try_put( tbb::flow::continue_msg() ); | 
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| 147 | } | 
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| 148 | } | 
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| 149 | } | 
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| 150 |  | 
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| 151 | }; | 
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| 152 |  | 
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| 153 | template< typename T > | 
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| 154 | void test_puts_with_decrements( int num_threads, tbb::flow::limiter_node< T >& lim , tbb::flow::graph& g) { | 
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| 155 | parallel_receiver<T> r(g); | 
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| 156 | empty_sender< tbb::flow::continue_msg > s; | 
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| 157 | tbb::atomic<int> accept_count; | 
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| 158 | accept_count = 0; | 
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| 159 | tbb::flow::make_edge( lim, r ); | 
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| 160 | tbb::flow::make_edge(s, lim.decrement); | 
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| 161 | #if TBB_DEPRECATED_FLOW_NODE_EXTRACTION | 
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| 162 | ASSERT(lim.decrement.predecessor_count() == 1, NULL); | 
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| 163 | ASSERT(lim.successor_count() == 1, NULL); | 
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| 164 | ASSERT(lim.predecessor_count() == 0, NULL); | 
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| 165 | typename tbb::flow::interface10::internal::decrementer | 
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| 166 | <tbb::flow::limiter_node<T>, tbb::flow::continue_msg>::predecessor_list_type dec_preds; | 
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| 167 | lim.decrement.copy_predecessors(dec_preds); | 
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| 168 | ASSERT(dec_preds.size() == 1, NULL); | 
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| 169 | #endif | 
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| 170 | // test puts with decrements | 
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| 171 | NativeParallelFor( num_threads, put_dec_body<T>(lim, accept_count) ); | 
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| 172 | int c = accept_count; | 
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| 173 | ASSERT( c == N*num_threads, NULL ); | 
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| 174 | ASSERT( r.my_count == N*num_threads, NULL ); | 
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| 175 | } | 
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| 176 |  | 
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| 177 | // | 
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| 178 | // Tests | 
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| 179 | // | 
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| 180 | // limiter only forwards below the limit, multiple parallel senders / single receiver | 
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| 181 | // multiple parallel senders that put to decrement at each accept, limiter accepts new messages | 
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| 182 | // | 
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| 183 | // | 
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| 184 | template< typename T > | 
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| 185 | int test_parallel(int num_threads) { | 
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| 186 |  | 
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| 187 | // test puts with no decrements | 
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| 188 | for ( int i = 0; i < L; ++i ) { | 
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| 189 | tbb::flow::graph g; | 
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| 190 | tbb::flow::limiter_node< T > lim(g, i); | 
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| 191 | parallel_receiver<T> r(g); | 
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| 192 | tbb::atomic<int> accept_count; | 
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| 193 | accept_count = 0; | 
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| 194 | tbb::flow::make_edge( lim, r ); | 
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| 195 | // test puts with no decrements | 
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| 196 | NativeParallelFor( num_threads, put_body<T>(lim, accept_count) ); | 
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| 197 | g.wait_for_all(); | 
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| 198 | int c = accept_count; | 
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| 199 | ASSERT( c == i, NULL ); | 
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| 200 | } | 
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| 201 |  | 
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| 202 | // test puts with decrements | 
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| 203 | for ( int i = 1; i < L; ++i ) { | 
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| 204 | tbb::flow::graph g; | 
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| 205 | tbb::flow::limiter_node< T > lim(g, i); | 
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| 206 | test_puts_with_decrements(num_threads, lim, g); | 
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| 207 | tbb::flow::limiter_node< T > lim_copy( lim ); | 
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| 208 | test_puts_with_decrements(num_threads, lim_copy, g); | 
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| 209 | } | 
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| 210 |  | 
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| 211 | return 0; | 
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| 212 | } | 
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| 213 |  | 
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| 214 | // | 
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| 215 | // Tests | 
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| 216 | // | 
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| 217 | // limiter only forwards below the limit, single sender / single receiver | 
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| 218 | // at reject, a put to decrement, will cause next message to be accepted | 
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| 219 | // | 
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| 220 | template< typename T > | 
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| 221 | int test_serial() { | 
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| 222 |  | 
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| 223 | // test puts with no decrements | 
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| 224 | for ( int i = 0; i < L; ++i ) { | 
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| 225 | tbb::flow::graph g; | 
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| 226 | tbb::flow::limiter_node< T > lim(g, i); | 
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| 227 | serial_receiver<T> r(g); | 
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| 228 | tbb::flow::make_edge( lim, r ); | 
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| 229 | for ( int j = 0; j < L; ++j ) { | 
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| 230 | bool msg = lim.try_put( T(j) ); | 
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| 231 | ASSERT( ( j < i && msg == true ) || ( j >= i && msg == false ), NULL ); | 
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| 232 | } | 
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| 233 | g.wait_for_all(); | 
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| 234 | } | 
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| 235 |  | 
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| 236 | // test puts with decrements | 
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| 237 | for ( int i = 1; i < L; ++i ) { | 
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| 238 | tbb::flow::graph g; | 
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| 239 | tbb::flow::limiter_node< T > lim(g, i); | 
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| 240 | serial_receiver<T> r(g); | 
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| 241 | empty_sender< tbb::flow::continue_msg > s; | 
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| 242 | tbb::flow::make_edge( lim, r ); | 
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| 243 | tbb::flow::make_edge(s, lim.decrement); | 
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| 244 | for ( int j = 0; j < N; ++j ) { | 
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| 245 | bool msg = lim.try_put( T(j) ); | 
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| 246 | ASSERT( ( j < i && msg == true ) || ( j >= i && msg == false ), NULL ); | 
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| 247 | if ( msg == false ) { | 
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| 248 | lim.decrement.try_put( tbb::flow::continue_msg() ); | 
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| 249 | msg = lim.try_put( T(j) ); | 
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| 250 | ASSERT( msg == true, NULL ); | 
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| 251 | } | 
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| 252 | } | 
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| 253 | } | 
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| 254 | return 0; | 
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| 255 | } | 
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| 256 |  | 
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| 257 | // reported bug in limiter (http://software.intel.com/en-us/comment/1752355) | 
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| 258 | #define DECREMENT_OUTPUT 1  // the port number of the decrement output of the multifunction_node | 
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| 259 | #define LIMITER_OUTPUT 0    // port number of the integer output | 
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| 260 |  | 
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| 261 | typedef tbb::flow::multifunction_node<int, tbb::flow::tuple<int,tbb::flow::continue_msg> > mfnode_type; | 
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| 262 |  | 
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| 263 | tbb::atomic<size_t> emit_count; | 
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| 264 | tbb::atomic<size_t> emit_sum; | 
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| 265 | tbb::atomic<size_t> receive_count; | 
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| 266 | tbb::atomic<size_t> receive_sum; | 
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| 267 |  | 
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| 268 | struct mfnode_body { | 
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| 269 | int max_cnt; | 
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| 270 | tbb::atomic<int>* my_cnt; | 
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| 271 | mfnode_body(const int& _max, tbb::atomic<int> &_my) : max_cnt(_max), my_cnt(&_my)  { } | 
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| 272 | void operator()(const int &/*in*/, mfnode_type::output_ports_type &out) { | 
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| 273 | int lcnt = ++(*my_cnt); | 
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| 274 | if(lcnt > max_cnt) { | 
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| 275 | return; | 
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| 276 | } | 
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| 277 | // put one continue_msg to the decrement of the limiter. | 
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| 278 | if(!tbb::flow::get<DECREMENT_OUTPUT>(out).try_put(tbb::flow::continue_msg())) { | 
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| 279 | ASSERT(false, "Unexpected rejection of decrement"); | 
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| 280 | } | 
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| 281 | { | 
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| 282 | // put messages to the input of the limiter_node until it rejects. | 
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| 283 | while( tbb::flow::get<LIMITER_OUTPUT>(out).try_put(lcnt) ) { | 
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| 284 | emit_sum += lcnt; | 
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| 285 | ++emit_count; | 
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| 286 | } | 
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| 287 | } | 
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| 288 | } | 
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| 289 | }; | 
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| 290 |  | 
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| 291 | struct fn_body { | 
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| 292 | int operator()(const int &in) { | 
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| 293 | receive_sum += in; | 
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| 294 | ++receive_count; | 
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| 295 | return in; | 
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| 296 | } | 
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| 297 | }; | 
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| 298 |  | 
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| 299 | //                   +------------+ | 
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| 300 | //    +---------+    |            v | 
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| 301 | //    | mf_node |0---+       +----------+          +----------+ | 
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| 302 | // +->|         |1---------->| lim_node |--------->| fn_node  |--+ | 
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| 303 | // |  +---------+            +----------+          +----------+  | | 
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| 304 | // |                                                             | | 
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| 305 | // |                                                             | | 
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| 306 | // +-------------------------------------------------------------+ | 
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| 307 | // | 
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| 308 | void | 
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| 309 | test_multifunction_to_limiter(int _max, int _nparallel) { | 
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| 310 | tbb::flow::graph g; | 
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| 311 | emit_count = 0; | 
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| 312 | emit_sum = 0; | 
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| 313 | receive_count = 0; | 
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| 314 | receive_sum = 0; | 
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| 315 | tbb::atomic<int> local_cnt; | 
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| 316 | local_cnt = 0; | 
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| 317 | mfnode_type mf_node(g, tbb::flow::unlimited, mfnode_body(_max, local_cnt)); | 
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| 318 | tbb::flow::function_node<int, int> fn_node(g, tbb::flow::unlimited, fn_body()); | 
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| 319 | tbb::flow::limiter_node<int> lim_node(g, _nparallel); | 
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| 320 | tbb::flow::make_edge(tbb::flow::output_port<LIMITER_OUTPUT>(mf_node), lim_node); | 
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| 321 | tbb::flow::make_edge(tbb::flow::output_port<DECREMENT_OUTPUT>(mf_node), lim_node.decrement); | 
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| 322 | tbb::flow::make_edge(lim_node, fn_node); | 
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| 323 | tbb::flow::make_edge(fn_node, mf_node); | 
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| 324 | #if TBB_DEPRECATED_FLOW_NODE_EXTRACTION | 
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| 325 | REMARK( "pred cnt == %d\n",(int)(lim_node.predecessor_count())); | 
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| 326 | REMARK( "succ cnt == %d\n",(int)(lim_node.successor_count())); | 
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| 327 | tbb::flow::limiter_node<int>::successor_list_type my_succs; | 
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| 328 | lim_node.copy_successors(my_succs); | 
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| 329 | REMARK( "succ cnt from vector  == %d\n",(int)(my_succs.size())); | 
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| 330 | tbb::flow::limiter_node<int>::predecessor_list_type my_preds; | 
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| 331 | lim_node.copy_predecessors(my_preds); | 
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| 332 | REMARK( "pred cnt from vector  == %d\n",(int)(my_preds.size())); | 
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| 333 | #endif | 
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| 334 | mf_node.try_put(1); | 
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| 335 | g.wait_for_all(); | 
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| 336 | ASSERT(emit_count == receive_count, "counts do not match"); | 
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| 337 | ASSERT(emit_sum == receive_sum, "sums do not match"); | 
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| 338 |  | 
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| 339 | // reset, test again | 
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| 340 | g.reset(); | 
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| 341 | emit_count = 0; | 
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| 342 | emit_sum = 0; | 
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| 343 | receive_count = 0; | 
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| 344 | receive_sum = 0; | 
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| 345 | local_cnt = 0;; | 
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| 346 | mf_node.try_put(1); | 
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| 347 | g.wait_for_all(); | 
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| 348 | ASSERT(emit_count == receive_count, "counts do not match"); | 
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| 349 | ASSERT(emit_sum == receive_sum, "sums do not match"); | 
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| 350 | } | 
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| 351 |  | 
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| 352 |  | 
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| 353 | void | 
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| 354 | test_continue_msg_reception() { | 
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| 355 | tbb::flow::graph g; | 
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| 356 | tbb::flow::limiter_node<int> ln(g,2); | 
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| 357 | tbb::flow::queue_node<int>   qn(g); | 
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| 358 | tbb::flow::make_edge(ln, qn); | 
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| 359 | ln.decrement.try_put(tbb::flow::continue_msg()); | 
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| 360 | ln.try_put(42); | 
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| 361 | g.wait_for_all(); | 
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| 362 | int outint; | 
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| 363 | ASSERT(qn.try_get(outint) && outint == 42, "initial put to decrement stops node"); | 
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| 364 | } | 
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| 365 |  | 
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| 366 | #if TBB_DEPRECATED_LIMITER_NODE_CONSTRUCTOR | 
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| 367 | using namespace tbb::flow; | 
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| 368 | void run_and_check_result(graph& g, limiter_node<int>& limit, queue_node<int>& queue, broadcast_node<continue_msg>& broad) { | 
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| 369 | ASSERT( limit.try_put(1), NULL ); | 
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| 370 | ASSERT( limit.try_put(2), NULL ); | 
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| 371 | ASSERT( !limit.try_put(3), NULL ); | 
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| 372 | ASSERT( broad.try_put(continue_msg()), NULL ); | 
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| 373 | ASSERT( limit.decrement.try_put(continue_msg()), NULL ); | 
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| 374 | ASSERT( limit.try_put(4), NULL ); | 
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| 375 | ASSERT( !limit.try_put(5), NULL ); | 
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| 376 | g.wait_for_all(); | 
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| 377 |  | 
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| 378 | int list[] = {1, 2, 4}; | 
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| 379 | int var = 0; | 
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| 380 | for (size_t i = 0; i < sizeof(list)/sizeof(list[0]); i++) { | 
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| 381 | queue.try_get(var); | 
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| 382 | ASSERT(var==list[i], "some data dropped, input does not match output"); | 
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| 383 | } | 
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| 384 | } | 
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| 385 |  | 
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| 386 | void test_num_decrement_predecessors() { | 
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| 387 | graph g; | 
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| 388 | queue_node<int> output_queue(g); | 
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| 389 | limiter_node<int> limit1(g, 2, /*number_of_predecessors*/1); | 
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| 390 | limiter_node<int, continue_msg> limit2(g, 2, /*number_of_predecessors*/1); | 
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| 391 | broadcast_node<continue_msg> broadcast(g); | 
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| 392 |  | 
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| 393 | make_edge(limit1, output_queue); | 
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| 394 | make_edge(limit2, output_queue); | 
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| 395 |  | 
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| 396 | make_edge(broadcast, limit1.decrement); | 
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| 397 | make_edge(broadcast, limit2.decrement); | 
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| 398 |  | 
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| 399 | run_and_check_result(g, limit1, output_queue, broadcast); | 
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| 400 | run_and_check_result(g, limit2, output_queue, broadcast); | 
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| 401 | } | 
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| 402 | #else // TBB_DEPRECATED_LIMITER_NODE_CONSTRUCTOR | 
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| 403 | // | 
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| 404 | // This test ascertains that if a message is not successfully put | 
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| 405 | // to a successor, the message is not dropped but released. | 
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| 406 | // | 
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| 407 |  | 
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| 408 | void test_reserve_release_messages() { | 
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| 409 | using namespace tbb::flow; | 
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| 410 | graph g; | 
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| 411 |  | 
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| 412 | //making two queue_nodes: one broadcast_node and one limiter_node | 
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| 413 | queue_node<int> input_queue(g); | 
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| 414 | queue_node<int> output_queue(g); | 
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| 415 | broadcast_node<int> broad(g); | 
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| 416 | limiter_node<int, int> limit(g,2); //threshold of 2 | 
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| 417 |  | 
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| 418 | //edges | 
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| 419 | make_edge(input_queue, limit); | 
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| 420 | make_edge(limit, output_queue); | 
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| 421 | make_edge(broad,limit.decrement); | 
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| 422 |  | 
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| 423 | int list[4] = {19, 33, 72, 98}; //list to be put to the input queue | 
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| 424 |  | 
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| 425 | input_queue.try_put(list[0]); // succeeds | 
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| 426 | input_queue.try_put(list[1]); // succeeds | 
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| 427 | input_queue.try_put(list[2]); // fails, stored in upstream buffer | 
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| 428 | g.wait_for_all(); | 
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| 429 |  | 
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| 430 | remove_edge(limit, output_queue); //remove successor | 
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| 431 |  | 
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| 432 | //sending message to the decrement port of the limiter | 
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| 433 | broad.try_put(1); //failed message retrieved. | 
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| 434 | g.wait_for_all(); | 
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| 435 |  | 
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| 436 | make_edge(limit, output_queue); //putting the successor back | 
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| 437 |  | 
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| 438 | broad.try_put(1);  //drop the count | 
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| 439 |  | 
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| 440 | input_queue.try_put(list[3]);  //success | 
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| 441 | g.wait_for_all(); | 
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| 442 |  | 
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| 443 | int var=0; | 
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| 444 |  | 
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| 445 | for (int i=0; i<4; i++) { | 
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| 446 | output_queue.try_get(var); | 
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| 447 | ASSERT(var==list[i], "some data dropped, input does not match output"); | 
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| 448 | g.wait_for_all(); | 
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| 449 | } | 
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| 450 | } | 
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| 451 |  | 
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| 452 | void test_decrementer() { | 
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| 453 | const int threshold = 5; | 
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| 454 | tbb::flow::graph g; | 
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| 455 | tbb::flow::limiter_node<int, int> limit(g, threshold); | 
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| 456 | tbb::flow::queue_node<int> queue(g); | 
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| 457 | make_edge(limit, queue); | 
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| 458 | int m = 0; | 
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| 459 | ASSERT( limit.try_put( m++ ), "Newly constructed limiter node does not accept message."); | 
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| 460 | ASSERT( limit.decrement.try_put( -threshold ), // close limiter's gate | 
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| 461 | "Limiter node decrementer's port does not accept message."); | 
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| 462 | ASSERT( !limit.try_put( m++ ), "Closed limiter node's accepts message."); | 
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| 463 | ASSERT( limit.decrement.try_put( threshold + 5 ),  // open limiter's gate | 
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| 464 | "Limiter node decrementer's port does not accept message."); | 
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| 465 | for( int i = 0; i < threshold; ++i ) | 
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| 466 | ASSERT( limit.try_put( m++ ), "Limiter node does not accept message while open."); | 
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| 467 | ASSERT( !limit.try_put( m ), "Limiter node's gate is not closed."); | 
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| 468 | g.wait_for_all(); | 
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| 469 | int expected[] = {0, 2, 3, 4, 5, 6}; | 
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| 470 | int actual = -1; m = 0; | 
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| 471 | while( queue.try_get(actual) ) | 
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| 472 | ASSERT( actual == expected[m++], NULL ); | 
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| 473 | ASSERT( sizeof(expected) / sizeof(expected[0]) == m, "Not all messages have been processed."); | 
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| 474 | g.wait_for_all(); | 
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| 475 |  | 
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| 476 | const size_t threshold2 = size_t(-1); | 
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| 477 | tbb::flow::limiter_node<int, long long> limit2(g, threshold2); | 
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| 478 | make_edge(limit2, queue); | 
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| 479 | ASSERT( limit2.try_put( 1 ), "Newly constructed limiter node does not accept message."); | 
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| 480 | long long decrement_value = (long long)( size_t(-1)/2 ); | 
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| 481 | ASSERT( limit2.decrement.try_put( -decrement_value ), | 
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| 482 | "Limiter node decrementer's port does not accept message"); | 
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| 483 | ASSERT( limit2.try_put( 2 ), "Limiter's gate should not be closed yet."); | 
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| 484 | ASSERT( limit2.decrement.try_put( -decrement_value ), | 
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| 485 | "Limiter node decrementer's port does not accept message"); | 
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| 486 | ASSERT( !limit2.try_put( 3 ), "Overflow happened for internal counter."); | 
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| 487 | int expected2[] = {1, 2}; | 
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| 488 | actual = -1; m = 0; | 
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| 489 | while( queue.try_get(actual) ) | 
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| 490 | ASSERT( actual == expected2[m++], NULL ); | 
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| 491 | ASSERT( sizeof(expected2) / sizeof(expected2[0]) == m, "Not all messages have been processed."); | 
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| 492 | g.wait_for_all(); | 
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| 493 | } | 
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| 494 | #endif // TBB_DEPRECATED_LIMITER_NODE_CONSTRUCTOR | 
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| 495 |  | 
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| 496 | #if TBB_DEPRECATED_FLOW_NODE_EXTRACTION | 
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| 497 | void test_extract() { | 
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| 498 | tbb::flow::graph g; | 
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| 499 | int j; | 
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| 500 | tbb::flow::limiter_node<int> node0(g, /*threshold*/1); | 
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| 501 | tbb::flow::queue_node<int> q0(g); | 
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| 502 | tbb::flow::queue_node<int> q1(g); | 
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| 503 | tbb::flow::queue_node<int> q2(g); | 
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| 504 | tbb::flow::broadcast_node<tbb::flow::continue_msg> b0(g); | 
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| 505 | tbb::flow::broadcast_node<tbb::flow::continue_msg> b1(g); | 
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| 506 |  | 
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| 507 | for( int i = 0; i < 2; ++i ) { | 
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| 508 | REMARK( "At pass %d\n", i); | 
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| 509 | ASSERT(node0.predecessor_count() == 0, "incorrect predecessor count at start"); | 
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| 510 | ASSERT(node0.successor_count() == 0, "incorrect successor count at start"); | 
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| 511 | ASSERT(node0.decrement.predecessor_count() == 0, "incorrect decrement pred count at start"); | 
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| 512 |  | 
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| 513 | tbb::flow::make_edge(q0, node0); | 
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| 514 | tbb::flow::make_edge(q1, node0); | 
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| 515 | tbb::flow::make_edge(node0, q2); | 
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| 516 | tbb::flow::make_edge(b0, node0.decrement); | 
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| 517 | tbb::flow::make_edge(b1, node0.decrement); | 
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| 518 | g.wait_for_all(); | 
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| 519 |  | 
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| 520 | /*    b0   b1              */ | 
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| 521 | /*      \  |               */ | 
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| 522 | /*  q0\  \ |               */ | 
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| 523 | /*     \  \|               */ | 
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| 524 | /*      +-node0---q2       */ | 
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| 525 | /*     /                   */ | 
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| 526 | /*  q1/                    */ | 
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| 527 |  | 
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| 528 | q0.try_put(i); | 
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| 529 | g.wait_for_all(); | 
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| 530 | ASSERT(node0.predecessor_count() == 2, "incorrect predecessor count after construction"); | 
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| 531 | ASSERT(node0.successor_count() == 1, "incorrect successor count after construction"); | 
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| 532 | ASSERT(node0.decrement.predecessor_count() == 2, "incorrect decrement pred count after construction"); | 
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| 533 | ASSERT(q2.try_get(j), "fetch of value forwarded to output queue failed"); | 
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| 534 | ASSERT(j == i, "improper value forwarded to output queue"); | 
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| 535 | q0.try_put(2*i); | 
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| 536 | g.wait_for_all(); | 
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| 537 | ASSERT(!q2.try_get(j), "limiter_node forwarded item improperly"); | 
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| 538 | b0.try_put(tbb::flow::continue_msg()); | 
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| 539 | g.wait_for_all(); | 
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| 540 | ASSERT(!q2.try_get(j), "limiter_node forwarded item improperly"); | 
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| 541 | b0.try_put(tbb::flow::continue_msg()); | 
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| 542 | g.wait_for_all(); | 
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| 543 | ASSERT(q2.try_get(j) && j == 2*i, "limiter_node failed to forward item"); | 
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| 544 |  | 
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| 545 | tbb::flow::limiter_node<int>::successor_list_type sv; | 
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| 546 | tbb::flow::limiter_node<int>::predecessor_list_type pv; | 
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| 547 | tbb::flow::continue_receiver::predecessor_list_type dv; | 
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| 548 | tbb::flow::limiter_node<int>::successor_list_type sv1; | 
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| 549 | tbb::flow::limiter_node<int>::predecessor_list_type pv1; | 
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| 550 | tbb::flow::continue_receiver::predecessor_list_type dv1; | 
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| 551 |  | 
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| 552 | node0.copy_predecessors(pv); | 
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| 553 | node0.copy_successors(sv); | 
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| 554 | node0.decrement.copy_predecessors(dv); | 
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| 555 | pv1.push_back(&(q0)); | 
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| 556 | pv1.push_back(&(q1)); | 
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| 557 | sv1.push_back(&(q2)); | 
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| 558 | dv1.push_back(&(b0)); | 
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| 559 | dv1.push_back(&(b1)); | 
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| 560 |  | 
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| 561 | ASSERT(pv.size() == 2, "improper size for predecessors"); | 
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| 562 | ASSERT(sv.size() == 1, "improper size for successors"); | 
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| 563 | ASSERT(lists_match(pv,pv1), "predecessor lists do not match"); | 
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| 564 | ASSERT(lists_match(sv,sv1), "successor lists do not match"); | 
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| 565 | ASSERT(lists_match(dv,dv1), "successor lists do not match"); | 
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| 566 |  | 
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| 567 | if(i == 0) { | 
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| 568 | node0.extract(); | 
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| 569 | ASSERT(node0.predecessor_count() == 0, "incorrect predecessor count after extraction"); | 
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| 570 | ASSERT(node0.successor_count() == 0, "incorrect successor count after extraction"); | 
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| 571 | ASSERT(node0.decrement.predecessor_count() == 0, "incorrect decrement pred count after extraction"); | 
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| 572 | } | 
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| 573 | else { | 
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| 574 | q0.extract(); | 
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| 575 | b0.extract(); | 
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| 576 | q2.extract(); | 
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| 577 |  | 
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| 578 | ASSERT(node0.predecessor_count() == 1, "incorrect predecessor count after extract second iter"); | 
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| 579 | ASSERT(node0.successor_count() == 0, "incorrect successor count after extract second iter"); | 
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| 580 | ASSERT(node0.decrement.predecessor_count() == 1, "incorrect decrement pred count after extract second iter"); | 
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| 581 |  | 
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| 582 | node0.copy_predecessors(pv); | 
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| 583 | node0.copy_successors(sv); | 
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| 584 | node0.decrement.copy_predecessors(dv); | 
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| 585 | pv1.clear(); | 
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| 586 | sv1.clear(); | 
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| 587 | dv1.clear(); | 
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| 588 | pv1.push_back(&(q1)); | 
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| 589 | dv1.push_back(&(b1)); | 
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| 590 |  | 
|---|
| 591 | ASSERT(lists_match(pv,pv1), "predecessor lists do not match second iter"); | 
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| 592 | ASSERT(lists_match(sv,sv1), "successor lists do not match second iter"); | 
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| 593 | ASSERT(lists_match(dv,dv1), "successor lists do not match second iter"); | 
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| 594 |  | 
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| 595 | q1.extract(); | 
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| 596 | b1.extract(); | 
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| 597 | } | 
|---|
| 598 | ASSERT(node0.predecessor_count() == 0, "incorrect predecessor count after extract"); | 
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| 599 | ASSERT(node0.successor_count() == 0, "incorrect successor count after extract"); | 
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| 600 | ASSERT(node0.decrement.predecessor_count() == 0, "incorrect decrement pred count after extract"); | 
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| 601 |  | 
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| 602 | } | 
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| 603 |  | 
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| 604 | } | 
|---|
| 605 | #endif  // TBB_DEPRECATED_FLOW_NODE_EXTRACTION | 
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| 606 |  | 
|---|
| 607 | int TestMain() { | 
|---|
| 608 | for (int i = 1; i <= 8; ++i) { | 
|---|
| 609 | tbb::task_scheduler_init init(i); | 
|---|
| 610 | test_serial<int>(); | 
|---|
| 611 | test_parallel<int>(i); | 
|---|
| 612 | } | 
|---|
| 613 | test_continue_msg_reception(); | 
|---|
| 614 | test_multifunction_to_limiter(30,3); | 
|---|
| 615 | test_multifunction_to_limiter(300,13); | 
|---|
| 616 | test_multifunction_to_limiter(3000,1); | 
|---|
| 617 | #if TBB_DEPRECATED_LIMITER_NODE_CONSTRUCTOR | 
|---|
| 618 | test_num_decrement_predecessors(); | 
|---|
| 619 | #else | 
|---|
| 620 | test_reserve_release_messages(); | 
|---|
| 621 | test_decrementer(); | 
|---|
| 622 | #endif | 
|---|
| 623 | #if TBB_DEPRECATED_FLOW_NODE_EXTRACTION | 
|---|
| 624 | test_extract(); | 
|---|
| 625 | #endif | 
|---|
| 626 | return Harness::Done; | 
|---|
| 627 | } | 
|---|
| 628 |  | 
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