@Override
public void taskJoin(int thrdId, int taskId) {
RaceTask task = lookup2(root, taskId);
RaceTaskOOB taskOOB = (RaceTaskOOB) task;
if (taskOOB == null) {
System.out.println("[race]join:can not find the child task in the tree!");
print(root, false);
System.exit(-1);
}
// print(task, false);
if (!(RaceDetector.itrOn && taskOOB.parent.type == RaceTask.RACE_TASK_DOTALL)) {
for (int i = 0; i < task.children.size(); i++) {
RaceTaskOOB right = (RaceTaskOOB) task.children.get(i);
if (right.type == RaceTask.RACE_TASK_STEP) {
right.set.setMergeNum(1);
if (right.set instanceof AccessSetList) {
taskOOB.set = taskOOB.set.merge(right.set);
} else {
right.set.setTaskId(AccessSet.LOG_WORK_MERGE);
taskOOB.pushSet(right.set);
}
}
right.set = null;
}
}
// push the local set to the pending list
if (taskOOB.set.getMergeNum() > 0) {
taskOOB.set.setWorkType(AccessSet.LOG_WORK_HYBRID);
taskOOB.pushSet(taskOOB.set);
}
taskOOB.asyncJoined = true;
threadTasks.set(thrdId, null);
}
// public static long[] itrNum = new long[1024];
// private RaceSet preItrSet = null;
@Override
public void startNewItr(long itr) {
if (!RaceDetector.itrOn) return;
int thrdId = Scheduler.getCurrThId();
// itrNum[thrdId * 16]++;
RaceTask step = threadTasks.get(thrdId);
if (step == null) {
System.out.println("[race]startNewItr:can not find the child task in the tree!");
print(root, false);
System.exit(-1);
}
RaceTaskOOB async = (RaceTaskOOB) step.parent;
if (async == null) {
System.out.println("[race]startNewItr:can not find the parent task in the tree!");
print(root, false);
}
// async.asyncItrNum++;
// if the async node has only one child
if (async.children.size() - async.delayedNum == 1) {
// step.set.print();
step.set.setMergeNum(1);
// if it is a list set, then we perform intersection and merge
// immediately using current thread
if (step.set instanceof AccessSetList) {
async.set = async.set.intersectAndMerge(step.set, RaceTask.RACE_TASK_ASYNC);
step.set.clear();
} else {
step.set.setWorkType(AccessSet.LOG_WORK_HYBRID);
async.pushSet(step.set);
step.reAllocaLog();
taskMap(Scheduler.getCurrThId(), step);
}
} else {
// System.out.println("new created");
// create a new asyn node to hold all the children and sets of
// current iteration
RaceTaskOOB newAsync =
new RaceTaskOOB(async.id, RaceTask.RACE_TASK_ASYNC, async.depth + 1, async);
// set the asyncItrNum, so that newAsync when all the logs are merged together
newAsync.asyncItrNum = async.children.size() - async.delayedNum;
// add newAsync as one of the child of async
async.children.add((int) async.delayedNum, newAsync);
// remeber how many iterations are delayed for async
async.delayedNum++;
// post all sets of step nodes to newAsync
// add all the finish children of current iteration to newAsync
for (int i = async.delayedNum; i < async.children.size(); i++) {
// newAsync.asyncItrNum++;
RaceTaskOOB bgTask = (RaceTaskOOB) async.children.get(i);
if (bgTask.type == RaceTask.RACE_TASK_STEP) {
bgTask.set.setMergeNum(1);
// if it is a list set, intersection and merge are performed
// immediately by current thread
if (bgTask.set instanceof AccessSetList) {
newAsync.set = newAsync.set.merge(bgTask.set);
} else {
bgTask.set.setWorkType(AccessSet.LOG_WORK_MERGE);
newAsync.pushSet(bgTask.set);
}
bgTask.set = null;
} else {
newAsync.children.add(bgTask);
bgTask.parent = newAsync;
bgTask.depth = newAsync.depth + 1;
}
}
// push itself into the pending queue
if (newAsync.set.getMergeNum() > 0) {
newAsync.pushSet(newAsync.set);
}
// remove all the children of current iteration from async
while (async.children.size() - async.delayedNum > 0)
async.children.remove(async.children.size() - 1);
// init the first step node for next iteration
if (step.set instanceof AccessSetList) {
step.set.clear();
} else {
step.reAllocaLog();
}
async.children.add(step);
taskMap(Scheduler.getCurrThId(), step);
}
}