Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Cell/CellTaskManagerImpl.cc @ 801:974cd68383b3
TaslListInfo
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sat, 22 May 2010 18:20:16 +0900 |
| parents | 5088d70e66c5 |
| children | 8a6f1fa038de |
| 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" |
| 672 | 12 #include "SysFunc.h" |
| 13 | |
| 720 | 14 static void send_alloc_reply(CellTaskManagerImpl *tm, int id, SpeThreads *speThreads); |
| 57 | 15 |
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16 CellTaskManagerImpl::~CellTaskManagerImpl() |
| 67 | 17 { |
| 109 | 18 delete speThreads; |
| 19 delete [] speTaskList; | |
| 20 delete [] speTaskList_bg; | |
| 21 /** | |
| 321 | 22 * bufferManager は |
| 23 * ppeManager のなかで delete してもらう | |
| 109 | 24 */ |
| 25 // delete bufferManager; | |
| 26 delete [] flag_sendTaskList; | |
| 27 | |
| 28 delete ppeManager; | |
| 67 | 29 } |
| 30 | |
| 57 | 31 void |
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32 CellTaskManagerImpl::init() |
| 57 | 33 { |
| 637 | 34 spe_running = 0; |
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35 taskListImpl = new CellTaskListInfo; |
| 664 | 36 taskListImpl->init(16); |
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37 |
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38 activeTaskQueue = new HTaskInfo(); |
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39 |
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40 htaskImpl = activeTaskQueue ; // any HTaskInfo |
| 65 | 41 |
| 42 speThreads = new SpeThreads(machineNum); | |
| 43 speThreads->init(); | |
| 109 | 44 |
| 45 speTaskList = new TaskListPtr[machineNum]; | |
| 46 speTaskList_bg = new TaskListPtr[machineNum]; | |
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47 |
| 109 | 48 for (int i = 0; i < machineNum; i++) { |
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49 speTaskList[i] = taskListImpl->create(); |
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50 speTaskList_bg[i] = taskListImpl->create(); |
| 109 | 51 } |
| 52 | |
| 53 flag_sendTaskList = new int[machineNum]; | |
| 54 for (int i = 0; i < machineNum; i++) { | |
| 55 flag_sendTaskList[i] = 1; | |
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56 } |
| 321 | 57 // PPE 側の管理をする Manager |
| 109 | 58 ppeManager = new FifoTaskManagerImpl(machineNum); |
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59 // 大半のTaskQueueInfoは、共有される |
| 637 | 60 MainScheduler *mscheduler = new MainScheduler; |
| 61 ppeManager->init(mscheduler, this); | |
| 619 | 62 |
| 63 ppeManager->get_scheduler()->set_manager(this); | |
| 637 | 64 |
| 619 | 65 schedTaskManager = new SchedTask(); |
| 66 schedTaskManager->init(0,0,0,ppeManager->get_scheduler()); | |
| 57 | 67 } |
| 68 | |
| 109 | 69 void |
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70 CellTaskManagerImpl::append_activeTask(HTaskPtr task) |
| 109 | 71 { |
| 72 if (task->cpu_type == CPU_PPE) { | |
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73 ppeManager->append_activeTask(task); |
| 109 | 74 } else { |
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75 activeTaskQueue->addLast(task); |
| 109 | 76 } |
| 77 } | |
| 78 | |
| 321 | 79 // SPE_ANY が指定されていた時に |
| 80 // これをインクリメントしつつ呼ぶことにする。 | |
| 81 // 乱数使ってもいいけどさ。 | |
| 109 | 82 int cur_anySpeid = 0; |
| 83 | |
| 84 /** | |
| 321 | 85 * ActiveTaskQueue から Task を |
| 86 * 各 SPE に渡す TaskList に入れる | |
| 109 | 87 * |
| 321 | 88 * ここの activeTaskQueue は FifoTaskManagerImpl のと意味が違い、 |
| 89 * spe に渡される Task だけ入っている | |
| 109 | 90 */ |
| 91 void | |
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92 CellTaskManagerImpl::set_runTaskList() |
| 70 | 93 { |
| 109 | 94 int speid; |
| 70 | 95 |
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96 while (HTaskPtr htask = activeTaskQueue->poll()) { |
| 70 | 97 |
| 109 | 98 if (htask->cpu_type == SPE_ANY) { |
| 99 speid = cur_anySpeid++; | |
| 100 cur_anySpeid = (cur_anySpeid < machineNum) | |
| 101 ? cur_anySpeid : 0; | |
| 70 | 102 } else { |
| 321 | 103 // -1 してるのは |
| 104 // htask->cpu_type - CPU_SPE で | |
| 105 // SPE0 = 1, SPE1 = 2, ... SPE5 = 6 ってなってるので | |
| 106 // 配列的 (SPE0 = arr[0], SPE1 = arr[1]) にするため | |
| 109 | 107 speid = htask->cpu_type - CPU_SPE - 1; |
| 108 | |
| 321 | 109 // SPU の数以上が指定されていれば |
| 110 // とりあえず MAX_USE_SPE_NUM (実際に動く SPE の最大数) で | |
| 111 // あまり求めてそれを使うことにする。 | |
| 112 // ここで判定するもんでもないか？ | |
| 109 | 113 if (speid >= machineNum) { |
| 114 speid %= machineNum; | |
| 115 } | |
| 70 | 116 } |
| 109 | 117 |
| 801 | 118 TaskListInfoPtr list = speTaskList_bg[speid]; |
| 119 set_taskList(htask, list); | |
| 70 | 120 } |
| 109 | 121 } |
| 122 | |
| 123 void | |
| 722 | 124 CellTaskManagerImpl::sendTaskList() |
| 721 | 125 { |
| 126 for (int i = 0; i < machineNum; i++) { | |
| 127 if (flag_sendTaskList[i] == 1 && speTaskList_bg[i]->length >= 1 ) { | |
| 128 send_taskList(i); | |
| 129 spe_running++; | |
| 130 } | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 void | |
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135 CellTaskManagerImpl::run() |
| 109 | 136 { |
| 137 TaskListPtr ppeTaskList = NULL; | |
| 70 | 138 |
| 109 | 139 do { |
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140 // PPE side |
| 801 | 141 ppeTaskList = ppeManager->set_runTaskList(); |
| 721 | 142 if (ppeTaskList) |
| 143 ppeManager->sendTaskList(ppeTaskList); | |
| 720 | 144 ppeManager->mail_check(); |
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145 // SPE side |
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146 do { |
| 720 | 147 mail_check(); |
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148 // SPE に送る TaskList の準備 |
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149 set_runTaskList(); |
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150 // TaskList 待ちの SPE に TaskList を送る |
| 722 | 151 sendTaskList(); |
| 152 } while (ppeManager->activeTaskQueue->empty() && spe_running >0 ); | |
| 721 | 153 } while (ppeTaskList || spe_running >0); |
| 154 if (!waitTaskQueue->empty()) { | |
| 736 | 155 get_scheduler()->printf("Dead lock detected\n"); |
| 721 | 156 } |
| 70 | 157 } |
| 158 | |
| 65 | 159 /** |
| 321 | 160 * SPE からのメールをチェックする |
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161 */ |
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162 |
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163 void |
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164 CellTaskManagerImpl::mail_check() |
| 57 | 165 { |
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166 memaddr data; |
| 109 | 167 |
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168 // SPE Scheduler からの mail check |
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169 for (int id = 0; id < machineNum; id++) { |
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170 while (speThreads->has_mail(id, 1, &data)) { |
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171 if (data == (memaddr)MY_SPE_STATUS_READY) { |
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172 // MY_SPE_STATUS_READY: SPE が持ってた Task 全て終了 |
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173 flag_sendTaskList[id] = 1; |
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174 spe_running--; |
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175 } else if (data == (memaddr)MY_SPE_COMMAND_MALLOC) { |
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176 // MY_SPE_COMMAND_MALLOC SPE からのmain memory request |
| 720 | 177 send_alloc_reply(this, id, speThreads); |
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178 } else if (data > (memaddr)MY_SPE_NOP) { |
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179 // 終了したタスク(PPEにあるのでアドレス) |
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180 HTaskPtr task = (HTaskPtr)data; |
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181 task->post_func(schedTaskManager, task->post_arg1, task->post_arg2); |
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182 check_task_finish(task,waitTaskQueue); |
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183 } |
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184 // MY_SPE_NOP: 特に意味のないコマンド |
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185 } |
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186 } |
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187 } |
| 109 | 188 |
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189 static void |
| 720 | 190 send_alloc_reply(CellTaskManagerImpl *tm, int id, SpeThreads *speThreads) |
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191 { |
| 273 | 192 |
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193 /** |
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194 * info[0] = alloc_id; (CellScheduler::mainMem_alloc 参照) |
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195 * info[1] = alloc_addr; |
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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; |
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200 |
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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]; |
| 109 | 204 |
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205 |
| 720 | 206 alloc_info[1] = (memaddr)tm->allocate(alloc_size); |
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207 //__debug_ppe("[PPE] MALLOCED 0x%lx from [SPE %d]\n", alloc_info[1],id); |
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208 // 今のところ何もしてない。どうも、この allocate を free |
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209 // 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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210 // 忘れやすいのではないか? |
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211 speThreads->add_output_tasklist(command, alloc_info[1], alloc_size); |
| 109 | 212 |
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213 speThreads->send_mail(id, 2, alloc_info); |
| 109 | 214 } |
| 66 | 215 |
| 109 | 216 /** |
| 321 | 217 * 条件を満たしたら SPE に TaskList を送信する |
| 218 * 条件1. SPE が持ってた TaskList を終了して、次の TaskList を待ってる | |
| 219 * 条件2. SPE に送る TaskList に Task がある | |
| 109 | 220 * |
| 321 | 221 * SPE で実行終了した TaskList [speTaskList] と |
| 222 * これから実行する TaskList [speTaskList_bg] のバッファを入れ替える | |
| 223 * ついでに実行終了したやつは clear しておく。 | |
| 109 | 224 */ |
| 225 void | |
| 226 CellTaskManagerImpl::send_taskList(int id) | |
| 227 { | |
| 228 TaskListPtr tmp; | |
| 229 | |
| 230 tmp = speTaskList[id]; | |
| 231 speTaskList[id] = speTaskList_bg[id]; | |
| 232 speTaskList_bg[id] = tmp; | |
| 233 | |
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234 taskListImpl->clear_taskList(speTaskList_bg[id]); |
| 109 | 235 |
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236 speThreads->send_mail(id, 1, (memaddr *)&speTaskList[id]); |
| 57 | 237 } |
| 238 | |
| 672 | 239 void CellTaskManagerImpl::show_profile() { |
| 240 for (int id = 0; id < machineNum; id++) { | |
| 241 HTaskPtr t = create_task(ShowTime); | |
| 242 t->set_cpu((CPU_TYPE)(id+2)); | |
| 243 t->spawn(); | |
| 244 } | |
| 245 } | |
| 246 | |
| 247 void CellTaskManagerImpl::start_profile() { | |
| 248 for (int id = 0; id < machineNum; id++) { | |
| 249 HTaskPtr t = create_task(StartProfile); | |
| 250 t->set_cpu((CPU_TYPE)(id+2)); | |
| 251 t->spawn(); | |
| 252 } | |
| 253 } | |
| 254 | |
| 380 | 255 |
| 109 | 256 #ifdef __CERIUM_CELL__ |
| 57 | 257 TaskManagerImpl* |
| 258 create_impl(int num) | |
| 259 { | |
| 67 | 260 return new CellTaskManagerImpl(num); |
| 57 | 261 } |
| 109 | 262 #endif // __CERIUM_CELL |