annotate src/parallel_execution/MultiDimIterator.cbc @ 411:0eba9a04633f

Work CUDAtwice
author Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
date Thu, 14 Sep 2017 18:26:52 +0900
parents 85b0ddbf458e
children 57132ef16009
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rev   line source
402
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1 #include "../context.h"
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2 #include <stdio.h>
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3
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4 Iterator* createMultiDimIterator(struct Context* context, int x, int y, int z) {
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5 struct Iterator* iterator = new Iterator();
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6 struct MultiDimIterator* multiDimIterator = new MultiDimIterator();
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7 iterator->iterator = (union Data*)multiDimIterator;
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8 iterator->exec = C_execMultiDimIterator;
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9 iterator->barrier = C_barrierMultiDimIterator;
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10 multiDimIterator->x = x;
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11 multiDimIterator->y = y;
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12 multiDimIterator->z = z;
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13 multiDimIterator->count = x * y * z;
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14 multiDimIterator->counterX = 0;
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15 multiDimIterator->counterY = 0;
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16 multiDimIterator->counterZ = 0;
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17 return iterator;
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18 }
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19
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20 /**
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21 * create iterateTask with index, that copy from task argument
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22 * @return created iterateTask
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23 * @param task task of the copy source
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24 * @x index
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25 */
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26 struct Context* createMultiDimIterateTask(struct Context* task, int x, int y, int z) {
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27 struct Context* task1 = NEW(struct Context);
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28 initContext(task1);
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29 task1->taskManager = task->taskManager;
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30 task1->next = task->next;
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31 task1->iterate = 1;
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32 task1->iterator = task->iterator;
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33 task1->idgCount = task->idgCount;
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34 task1->idg = task->idg;
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35 task1->maxIdg = task->maxIdg;
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36 for(int i = task1->idg; i < task1->maxIdg; i++) {
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37 task1->data[i] = task->data[i];
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38 }
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39
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40 // create index data gear and register input data to iterate task
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41 struct MultiDim* multiDim = &ALLOCATE_DATA_GEAR(task1, MultiDim)->MultiDim;
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42 multiDim->x = x;
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43 multiDim->y = y;
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44 multiDim->z = z;
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45 task1->data[task1->maxIdg++] = (union Data*)multiDim;
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46
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47 task1->odg = task->odg + 1;
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48 task1->maxOdg = task->maxOdg + 1;
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49 for (int i = task1->odg; i < task1->maxOdg; i++) {
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50 task1->data[i] = task->data[i-1];
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51 }
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52
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53 return task1;
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54 }
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55
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56 __code execMultiDimIterator(struct MultiDimIterator* iterator, struct TaskManager* taskManager, struct Context* task, int numGPU, __code next(...)) {
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57 // No GPU device
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58 if (numGPU == 0) {
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59 goto meta(context, C_execMultiDimIterator1);
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60 }
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61 task->iterate = 1;
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62 task->gpu = 1;
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63 taskManager->taskManager = (union Data*)task->taskManager;
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64 taskManager->context = task;
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65 taskManager->next = next;
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66 goto meta(context, task->taskManager->spawn);
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67 }
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68
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69 __code execMultiDimIterator_stub(struct Context* context) {
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70 MultiDimIterator* iterator = (MultiDimIterator*)GearImpl(context, Iterator, iterator);
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71 TaskManager* taskManager = Gearef(context, TaskManager);
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72 Context* task = Gearef(context, Iterator)->task;
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73 int numGPU = Gearef(context, Iterator)->numGPU;
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74 enum Code next = Gearef(context, Iterator)->next;
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75 goto execMultiDimIterator(context, iterator, taskManager, task, numGPU, next);
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76 }
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77
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78 __code execMultiDimIterator1(struct MultiDimIterator* iterator, struct TaskManager* taskManager, struct Context* task, __code next(...)) {
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79 int x = iterator->counterX;
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80 int y = iterator->counterY;
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81 int z = iterator->counterZ;
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82 struct Context* iterateTask = createMultiDimIterateTask(task, x, y, z);
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83 taskManager->taskManager = (union Data*)task->taskManager;
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84 taskManager->context = iterateTask;
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85 taskManager->next = C_execMultiDimIterator2;
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86 goto meta(context, task->taskManager->spawn);
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87 }
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88
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89 __code execMultiDimIterator1_stub(struct Context* context) {
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90 MultiDimIterator* iterator = (MultiDimIterator*)GearImpl(context, Iterator, iterator);
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91 TaskManager* taskManager = Gearef(context, TaskManager);
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92 Context* task = Gearef(context, Iterator)->task;
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93 enum Code next = Gearef(context, Iterator)->next;
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94 goto execMultiDimIterator1(context, iterator, taskManager, task, next);
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95 }
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96
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97 __code execMultiDimIterator2(struct MultiDimIterator* iterator, struct Context* task, __code next(...)) {
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98 if (++iterator->counterX >= iterator->x) {
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99 iterator->counterX = 0;
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100 if (++iterator->counterY >= iterator->y) {
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101 iterator->counterY = 0;
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102 if (++iterator->counterZ >= iterator->z) {
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103 iterator->counterZ = 0;
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104 goto next(...);
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105 }
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106 }
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107 }
410
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108 goto meta(context, C_execMultiDimIterator1);
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109 }
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110
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111 __code barrierMultiDimIterator(struct MultiDimIterator* iterator, struct Context* task, __code next(...), __code whenWait(...)) {
411
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112 if (task->gpu || __sync_fetch_and_sub(&iterator->count, 1) == 1) {
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113 goto next(...);
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114 }
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115 goto whenWait(...);
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116 }
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117
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118 __code barrierMultiDimIterator_stub(struct Context* context) {
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119 MultiDimIterator* iterator = (MultiDimIterator*)GearImpl(context, Iterator, iterator);
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120 Context* task = Gearef(context, Iterator)->task;
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121 enum Code next = Gearef(context, Iterator)->next;
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Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
122 enum Code whenWait = Gearef(context, Iterator)->whenWait;
e958a409943c Change iterator implement from oneDim to multiDim
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
123 goto barrierMultiDimIterator(context, iterator, task, next, whenWait);
e958a409943c Change iterator implement from oneDim to multiDim
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
124 }