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