annotate src/parallel_execution/CPUWorker.cbc @ 372:d6ce4273e7d1

Add dimension task spawn
author Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
date Tue, 11 Jul 2017 17:47:11 +0900
parents 534601ed8c50
children fb50cf8aa615
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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23767f714f4a fix generate_stub
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1 #include "../context.h"
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2
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3 static void start_worker(Worker* worker);
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4
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5 Worker* createCPUWorker(struct Context* context, int id, Queue* queue) {
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6 struct Worker* worker = new Worker();
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7 struct CPUWorker* cpuWorker = new CPUWorker();
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8 worker->worker = (union Data*)cpuWorker;
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9 worker->tasks = queue;
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10 cpuWorker->id = id;
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11 worker->taskReceive = C_taskReceiveWorker;
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12 worker->shutdown = C_shutdownWorker;
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13 pthread_create(&worker->worker->CPUWorker.thread, NULL, (void*)&start_worker, worker);
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14 return worker;
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15 }
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16
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17 static void start_worker(Worker* worker) {
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18 CPUWorker* cpuWorker = (CPUWorker*)worker->worker;
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19 cpuWorker->context = NEW(struct Context);
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20 initContext(cpuWorker->context);
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21 Gearef(cpuWorker->context, Worker)->worker = (union Data*)worker;
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22 goto meta(cpuWorker->context, worker->taskReceive);
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23 }
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24
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25 __code taskReceiveWorker(struct Worker* worker,struct Queue* queue) {
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26 queue->queue = (union Data*)worker->tasks;
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27 queue->next = C_getTask;
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28 goto meta(context, worker->tasks->take);
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29 }
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30
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31 __code taskReceiveWorker_stub(struct Context* context) {
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32 goto taskReceiveWorker(context, &Gearef(context, Worker)->worker->Worker, Gearef(context, Queue));
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33 }
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34
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35 __code getTask(struct Worker* worker, struct Context* task) {
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36 if (!task)
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37 return; // end thread
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38 task->worker = worker;
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39 enum Code taskCg = task->next;
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40 task->next = C_odgCommit; // set CG after task exec
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41 goto meta(task, taskCg);
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42 }
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43
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44 __code getTask_stub(struct Context* context) {
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45 Worker* worker = &Gearef(context,Worker)->worker->Worker;
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46 struct Context* task = &Gearef(context, Queue)->data->Context;
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47 goto getTask(context, worker, task);
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48 }
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49
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50 __code odgCommit(struct LoopCounter* loopCounter, struct Context* task) {
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51 int i = loopCounter->i ;
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52 if(task->odg + i < task->maxOdg) {
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53 goto meta(task, C_odgCommit1);
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54 }
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55 loopCounter->i = 0;
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56 goto meta(context, C_taskReceiveWorker);
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57 }
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58
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59 __code odgCommit_stub(struct Context* context) {
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60 struct Context* workerContext = context->worker->worker->CPUWorker.context;
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61 goto odgCommit(workerContext,
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62 Gearef(context, LoopCounter),
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63 context);
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64 }
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65
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66 __code odgCommit1(struct LoopCounter* loopCounter, struct Queue* queue) {
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67 int i = loopCounter->i ;
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68 queue->queue = (union Data*)GET_WAIT_LIST(context->data[context->odg+i]);
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69 queue->whenEmpty = C_odgCommit4;
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70 queue->next = C_odgCommit2;
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71 goto meta(context, queue->queue->Queue.isEmpty);
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72 }
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73
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74 __code odgCommit1_stub(struct Context* context) {
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75 goto odgCommit1(context,
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76 Gearef(context, LoopCounter),
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77 Gearef(context, Queue));
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78 }
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79
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80 __code odgCommit2(struct Queue* queue) {
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81 queue->next = C_odgCommit3;
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82 goto meta(context, queue->queue->Queue.take);
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83 }
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84
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85 __code odgCommit2_stub(struct Context* context) {
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86 goto odgCommit2(context,
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87 Gearef(context, Queue));
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88 }
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89
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90 __code odgCommit3(struct TaskManager* taskManager, struct Context* task) {
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91 int idgCount = task->idgCount;
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92 if(__sync_bool_compare_and_swap(&task->idgCount, idgCount, idgCount-1)) { // atomic decrement idg counter
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93 if(idgCount-1 == 0) {
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94 taskManager->taskManager = (union Data*)task->taskManager;
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95 taskManager->context = task;
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96 taskManager->next = C_odgCommit1;
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97 goto meta(context, task->taskManager->spawn);
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98 } else {
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99 goto meta(context, C_odgCommit1);
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100 }
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101 } else {
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102 goto meta(context, C_odgCommit3);
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103 }
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104 }
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105
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106 __code odgCommit3_stub(struct Context* context) {
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107 struct Context* task = &Gearef(context, Queue)->data->Context;
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108 goto odgCommit3(context,
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109 Gearef(context, TaskManager),
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110 task);
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111 }
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112
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113 __code odgCommit4(struct LoopCounter* loopCounter) {
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114 loopCounter->i++;
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115 goto meta(context, C_odgCommit);
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116 }
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117
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118 __code odgCommit4_stub(struct Context* context) {
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119 goto odgCommit4(context,
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120 Gearef(context, LoopCounter));
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121 }
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122
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123 __code shutdownWorker(struct CPUWorker* worker) {
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124 }