Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Cell/CellTaskManagerImpl.cc @ 635:8cc609285bbe
SimpleTask worked on Mac OS X
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 18 Nov 2009 18:36:25 +0900 |
| parents | 8843edf37c0e |
| children | 5530fa36d42e |
| rev | line source |
|---|---|
| 321 | 1 #define DEBUG |
| 2 #include "error.h" | |
| 57 | 3 #include <stdio.h> |
| 4 #include <stdlib.h> | |
| 5 #include <string.h> | |
| 6 #include "CellTaskManagerImpl.h" | |
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7 #include "CellTaskListInfo.h" |
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8 #include "HTaskInfo.h" |
| 621 | 9 #include "SchedTask.h" |
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10 #include "MainScheduler.h" |
| 57 | 11 #include "types.h" |
| 12 | |
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13 CellTaskManagerImpl::~CellTaskManagerImpl() |
| 67 | 14 { |
| 109 | 15 delete speThreads; |
| 16 delete [] speTaskList; | |
| 17 delete [] speTaskList_bg; | |
| 18 /** | |
| 321 | 19 * bufferManager は |
| 20 * ppeManager のなかで delete してもらう | |
| 109 | 21 */ |
| 22 // delete bufferManager; | |
| 23 delete [] flag_sendTaskList; | |
| 24 | |
| 25 delete ppeManager; | |
| 67 | 26 } |
| 27 | |
| 57 | 28 void |
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29 CellTaskManagerImpl::init() |
| 57 | 30 { |
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31 taskListImpl = new CellTaskListInfo; |
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32 taskListImpl->init(machineNum*2); |
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33 |
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34 activeTaskQueue = new HTaskInfo(); |
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35 |
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36 htaskImpl = activeTaskQueue ; // any HTaskInfo |
| 65 | 37 |
| 38 speThreads = new SpeThreads(machineNum); | |
| 39 speThreads->init(); | |
| 109 | 40 |
| 41 speTaskList = new TaskListPtr[machineNum]; | |
| 42 speTaskList_bg = new TaskListPtr[machineNum]; | |
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43 |
| 109 | 44 for (int i = 0; i < machineNum; i++) { |
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45 speTaskList[i] = taskListImpl->create(); |
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46 speTaskList_bg[i] = taskListImpl->create(); |
| 109 | 47 } |
| 48 | |
| 49 flag_sendTaskList = new int[machineNum]; | |
| 50 for (int i = 0; i < machineNum; i++) { | |
| 51 flag_sendTaskList[i] = 1; | |
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52 } |
| 321 | 53 // PPE 側の管理をする Manager |
| 109 | 54 ppeManager = new FifoTaskManagerImpl(machineNum); |
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55 // 大半のTaskQueueInfoは、共有される |
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56 ppeManager->init(new MainScheduler, this); |
| 619 | 57 |
| 58 ppeManager->get_scheduler()->set_manager(this); | |
| 59 schedTaskManager = new SchedTask(); | |
| 60 schedTaskManager->init(0,0,0,ppeManager->get_scheduler()); | |
| 57 | 61 } |
| 62 | |
| 109 | 63 void |
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64 CellTaskManagerImpl::append_activeTask(HTaskPtr task) |
| 109 | 65 { |
| 66 if (task->cpu_type == CPU_PPE) { | |
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67 ppeManager->append_activeTask(task); |
| 109 | 68 } else { |
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69 activeTaskQueue->addLast(task); |
| 109 | 70 } |
| 71 } | |
| 72 | |
| 321 | 73 // SPE_ANY が指定されていた時に |
| 74 // これをインクリメントしつつ呼ぶことにする。 | |
| 75 // 乱数使ってもいいけどさ。 | |
| 109 | 76 int cur_anySpeid = 0; |
| 77 | |
| 78 /** | |
| 321 | 79 * ActiveTaskQueue から Task を |
| 80 * 各 SPE に渡す TaskList に入れる | |
| 109 | 81 * |
| 321 | 82 * ここの activeTaskQueue は FifoTaskManagerImpl のと意味が違い、 |
| 83 * spe に渡される Task だけ入っている | |
| 109 | 84 */ |
| 85 void | |
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86 CellTaskManagerImpl::set_runTaskList() |
| 70 | 87 { |
| 321 | 88 // ここ...直すかな |
| 70 | 89 TaskListPtr list; |
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90 |
| 70 | 91 TaskPtr task; |
| 109 | 92 int speid; |
| 70 | 93 |
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94 while (HTaskPtr htask = activeTaskQueue->poll()) { |
| 70 | 95 |
| 109 | 96 if (htask->cpu_type == SPE_ANY) { |
| 97 speid = cur_anySpeid++; | |
| 98 cur_anySpeid = (cur_anySpeid < machineNum) | |
| 99 ? cur_anySpeid : 0; | |
| 70 | 100 } else { |
| 321 | 101 // -1 してるのは |
| 102 // htask->cpu_type - CPU_SPE で | |
| 103 // SPE0 = 1, SPE1 = 2, ... SPE5 = 6 ってなってるので | |
| 104 // 配列的 (SPE0 = arr[0], SPE1 = arr[1]) にするため | |
| 109 | 105 speid = htask->cpu_type - CPU_SPE - 1; |
| 106 | |
| 321 | 107 // SPU の数以上が指定されていれば |
| 108 // とりあえず MAX_USE_SPE_NUM (実際に動く SPE の最大数) で | |
| 109 // あまり求めてそれを使うことにする。 | |
| 110 // ここで判定するもんでもないか？ | |
| 109 | 111 if (speid >= machineNum) { |
| 112 speid %= machineNum; | |
| 113 } | |
| 70 | 114 } |
| 109 | 115 |
| 116 list = speTaskList_bg[speid]; | |
| 117 | |
| 118 if (list->length >= TASK_MAX_SIZE) { | |
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119 TaskListPtr newList = taskListImpl->create(); |
| 109 | 120 newList = TaskListInfo::append(newList, speTaskList_bg[speid]); |
| 121 speTaskList_bg[speid] = newList; | |
| 122 list = newList; | |
| 123 } | |
| 124 | |
| 125 task = &list->tasks[list->length++]; | |
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126 TaskPtr stask = (TaskPtr) task; |
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127 *stask = *(TaskPtr) htask; |
| 70 | 128 } |
| 109 | 129 } |
| 130 | |
| 131 void | |
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132 CellTaskManagerImpl::run() |
| 109 | 133 { |
| 134 TaskListPtr ppeTaskList = NULL; | |
| 135 MailQueuePtr ppeMail = NULL; | |
| 70 | 136 |
| 321 | 137 // PPE 側で動く TaskList です |
| 138 // FifoTaskManagerImpl::run と上手く合うように | |
| 139 // こんなことやってますよ | |
| 109 | 140 ppeTaskList = ppeManager->get_runTaskList(); |
| 141 if (!ppeTaskList) { | |
| 142 goto cont; | |
| 143 } | |
| 70 | 144 |
| 321 | 145 // SPE からの Mailbox Check は |
| 146 // PPE 側の schedule から抜けて来たときに行う | |
| 147 // (speThreads で Blocking Mailbox read と | |
| 148 // セマフォとか使ってやってもいいが、今はこの方式で) | |
| 109 | 149 do { |
| 150 ppeMail = ppeManager->schedule(ppeTaskList); | |
| 151 cont: | |
| 152 ppeTaskList = mail_check(ppeMail); | |
| 153 } while (ppeTaskList); | |
| 70 | 154 } |
| 155 | |
| 65 | 156 /** |
| 321 | 157 * SPE からのメールをチェックする |
| 109 | 158 * |
| 159 * @param [mail_list] | |
| 321 | 160 * PPE 側で動く Scheduler からのメールリスト |
| 161 * この中で PPE 側の mail check も行う | |
| 109 | 162 * |
| 321 | 163 * @return PPE Scheduler に対してのメール。 |
| 164 * 次に実行する TaskList のアドレスや、終了コマンドを送る | |
| 109 | 165 */TaskListPtr |
| 65 | 166 CellTaskManagerImpl::mail_check(MailQueuePtr mail_list) |
| 57 | 167 { |
| 321 | 168 // PPE Scheduler からの mail check |
| 485 | 169 ppeManager->mail_check(mail_list, waitTaskQueue); |
| 65 | 170 |
| 70 | 171 do { |
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172 memaddr data; |
| 109 | 173 |
| 321 | 174 // SPE Scheduler からの mail check |
| 244 | 175 for (int id = 0; id < machineNum; id++) { |
| 176 while (speThreads->check_mail(id, 1, &data)) { | |
| 109 | 177 /** |
| 321 | 178 * MY_SPE_STATUS_READY: SPE が持ってた Task 全て終了 |
| 179 * MY_SPE_NOP: 特に意味のないコマンド | |
| 180 * それ以外：終了したタスク(PPEにあるのでアドレス | |
| 109 | 181 * |
| 321 | 182 * MY_SPE_NOP が 0 なので、 |
| 183 * 下のように data > MY_SPE_NOP とかしています。 | |
| 184 * 一目でよくわからない書き方なんで、直したいところですが。。。 | |
| 109 | 185 */ |
| 321 | 186 // 名前あとでちゃんと決めよう => MY_SPE_... とかじゃなくて |
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187 if (data == (memaddr)MY_SPE_STATUS_READY) { |
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188 //__debug_ppe("[SPE %d] finish\n", id); |
| 109 | 189 flag_sendTaskList[id] = 1; |
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190 } else if (data == (memaddr)MY_SPE_COMMAND_MALLOC) { |
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191 //__debug_ppe("[PPE] MALLOC COMMAND from [SPE %d]\n", id); |
| 109 | 192 |
| 193 /** | |
| 321 | 194 * info[0] = alloc_id; (CellScheduler::mainMem_alloc 参照) |
| 109 | 195 * info[1] = alloc_addr; |
| 196 */ | |
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197 memaddr alloc_info[2]; |
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198 long alloc_size; |
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199 long command; |
| 109 | 200 |
| 244 | 201 speThreads->get_mail(id, 2, alloc_info); |
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202 command = (long)alloc_info[0]; |
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203 alloc_size = (long)alloc_info[1]; |
| 244 | 204 |
| 109 | 205 |
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206 alloc_info[1] = (memaddr)allocate(alloc_size); |
| 244 | 207 /* |
| 321 | 208 * allocate された領域は今の SPE buffer にリンクとして接続する |
| 209 * ここでは TaskList を allocate(new) して登録してやろうか | |
| 244 | 210 */ |
| 109 | 211 |
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212 //__debug_ppe("[PPE] MALLOCED 0x%lx from [SPE %d]\n", alloc_info[1],id); |
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213 // 今のところ何もしてない。どうも、この allocate を free |
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214 // するのは、SPE task が返した値を見て行うらしい。それは、 |
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215 // 忘れやすいのではないか? |
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216 speThreads->add_output_tasklist(command, alloc_info[1], alloc_size); |
| 273 | 217 |
| 621 | 218 speThreads->send_mail(id, 2, alloc_info); |
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219 } else if (data > (memaddr)MY_SPE_NOP) { |
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220 //__debug_ppe("[PPE] recv from [SPE %d] : 0x%x\n", id, data); |
| 619 | 221 HTaskPtr task = (HTaskPtr)data; |
| 222 task->post_func(schedTaskManager, task->post_arg1, task->post_arg2); | |
| 223 check_task_finish(task); | |
| 70 | 224 } |
| 65 | 225 } |
| 226 } | |
| 109 | 227 |
| 321 | 228 // 依存関係を満たしたタスクをアクティブに |
| 109 | 229 wakeup_waitTask(); |
| 230 | |
| 321 | 231 // SPE に送る TaskList の準備 |
| 109 | 232 set_runTaskList(); |
| 233 | |
| 321 | 234 // TaskList 待ちの SPE に TaskList を送る |
| 109 | 235 for (int i = 0; i < machineNum; i++) { |
| 236 if (flag_sendTaskList[i] == 1 && speTaskList_bg[i]->length >= 1 ) { | |
| 237 send_taskList(i); | |
| 238 } | |
| 239 } | |
| 70 | 240 |
| 321 | 241 // 現在の FifoTaskManager の仕様では |
| 242 // ・PPE で実行するタスクが無くなれば終了する | |
| 243 // であり、この場合もし SPE にタスクが残っていても | |
| 244 // メインループから抜けてプログラム終了となってしまうので | |
| 245 // ここでストップかけてます。 | |
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246 } while (ppeManager->activeTaskQueue->empty() && !waitTaskQueue->empty()); |
| 109 | 247 |
| 248 return ppeManager->get_runTaskList(); | |
| 249 } | |
| 66 | 250 |
| 109 | 251 /** |
| 321 | 252 * 条件を満たしたら SPE に TaskList を送信する |
| 253 * 条件1. SPE が持ってた TaskList を終了して、次の TaskList を待ってる | |
| 254 * 条件2. SPE に送る TaskList に Task がある | |
| 109 | 255 * |
| 321 | 256 * SPE で実行終了した TaskList [speTaskList] と |
| 257 * これから実行する TaskList [speTaskList_bg] のバッファを入れ替える | |
| 258 * ついでに実行終了したやつは clear しておく。 | |
| 109 | 259 */ |
| 260 void | |
| 261 CellTaskManagerImpl::send_taskList(int id) | |
| 262 { | |
| 263 TaskListPtr tmp; | |
| 264 | |
| 265 tmp = speTaskList[id]; | |
| 266 speTaskList[id] = speTaskList_bg[id]; | |
| 267 speTaskList_bg[id] = tmp; | |
| 268 | |
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269 taskListImpl->clear_taskList(speTaskList_bg[id]); |
| 109 | 270 |
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271 speThreads->send_mail(id, 1, (memaddr *)&speTaskList[id]); |
| 109 | 272 flag_sendTaskList[id] = 0; |
| 57 | 273 } |
| 274 | |
| 65 | 275 |
| 109 | 276 void* |
| 506 | 277 CellTaskManagerImpl::allocate(int size, int alignment) |
| 278 { | |
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279 if (size==0) return 0; |
| 506 | 280 void *buff; |
| 281 posix_memalign(&buff, alignment, size); | |
| 282 return buff; | |
| 283 } | |
| 284 | |
| 285 void* | |
| 109 | 286 CellTaskManagerImpl::allocate(int size) |
| 287 { | |
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288 if (size==0) return 0; |
| 109 | 289 void *buff; |
| 290 | |
| 291 posix_memalign(&buff, DEFAULT_ALIGNMENT, size); | |
| 244 | 292 |
| 321 | 293 // bzero はコストが高いのでやりたくない |
| 506 | 294 // bzero(buff, size); |
| 109 | 295 |
| 296 return buff; | |
| 297 } | |
| 298 | |
| 380 | 299 Scheduler* |
| 300 CellTaskManagerImpl::get_scheduler() | |
| 301 { | |
| 302 return ppeManager->get_scheduler(); | |
| 303 } | |
| 304 | |
| 109 | 305 #ifdef __CERIUM_CELL__ |
| 57 | 306 TaskManagerImpl* |
| 307 create_impl(int num) | |
| 308 { | |
| 67 | 309 return new CellTaskManagerImpl(num); |
| 57 | 310 } |
| 109 | 311 #endif // __CERIUM_CELL |