--- a/src/parallel_execution/main.c	Tue Nov 22 09:48:37 2016 +0900
+++ b/src/parallel_execution/main.c	Tue Nov 22 10:36:45 2016 +0900
@@ -114,14 +114,6 @@
 __code createTask1(struct Context* context, struct LoopCounter* loopCounter, struct Task* task, struct Queue* waitMe, struct Queue* waitI, struct Element* element) {
     int i = loopCounter->i;
 
-    waitMe->first = 0;
-    waitMe->last = 0;
-    waitMe->count = 0;
-
-    waitI->first = 0;
-    waitI->last = 0;
-    waitI->count = 0;
-
     task->code = Twice;
     task->key = i;
     task->waitMe = waitMe;
@@ -194,71 +186,12 @@
 //            &context->data[Element]->element);
 //}
 
-__code putQueue1(struct Context* context, struct Allocate* allocate) {
-    allocate->size = sizeof(struct Element);
-    allocator(context);
-
-    goto meta(context, PutQueue2);
-}
-
-__code putQueue1_stub(struct Context* context) {
-    goto putQueue1(context, &context->data[D_Allocate]->allocate);
-}
-
-__code putQueue2(struct Context* context, struct Element* new_element, struct Element* element, struct Queue* queue) {
-    new_element->data = element->data;
-
-    if (queue->first)
-        goto meta(context, PutQueue3);
-    else
-        goto meta(context, PutQueue4);
-}
-
-__code putQueue2_stub(struct Context* context) {
-    goto putQueue2(context,
-            &context->data[context->dataNum]->element,
-            &context->data[D_Element]->element,
-            &context->data[D_Queue]->Queue);
-}
-
-__code putQueue3(struct Context* context, struct Queue* queue, struct Element* new_element) {
-    struct Element* last = queue->last;
-
-    if (__sync_bool_compare_and_swap(&queue->last, last, new_element)) {
-        last->next = new_element;
-        queue->count++;
-
-        goto meta(context, context->next);
-    } else {
-        goto meta(context, PutQueue3);
-    }
-}
-
-__code putQueue3_stub(struct Context* context) {
-    goto putQueue3(context, &context->data[D_Queue]->Queue, &context->data[context->dataNum]->element);
-}
-
-__code putQueue4(struct Context* context, struct Queue* queue, struct Element* new_element) {
-    if (__sync_bool_compare_and_swap(&queue->first, 0, new_element)) {
-        queue->last = new_element;
-        queue->count++;
-
-        goto meta(context, context->next);
-    } else {
-        goto meta(context, PutQueue3);
-    }
-}
-
-__code putQueue4_stub(struct Context* context) {
-    goto putQueue4(context, &context->data[D_Queue]->Queue, &context->data[context->dataNum]->element);
-}
-
 __code createWorker(struct Context* context, struct LoopCounter* loopCounter, struct Worker* worker) {
     int i = loopCounter->i;
 
     if (i < worker->num) {
         struct Context* worker_context = &worker->contexts[i];
-        worker_context->next = GetQueue;
+        worker_context->next = C_getTask1;
         worker_context->data[D_Tree] = context->data[D_Tree];
         worker_context->data[D_ActiveQueue] = context->data[D_ActiveQueue];
         pthread_create(&worker_context->thread, NULL, (void*)&start_code, worker_context);