def __init__(self):
self.__nodes = {} # Dict of nodes
self.__root = 0 # Root TID - Requester's task
self.__count = 0 # tid count generator
self.__q = pq() # Priority Queue
self.__sq = pq() # sapper Priority Queue
self.__qlen = 0 # Queue length
self.__sqlen = 0 # sapper Queue length
self.__atasks= {} # Active leaf tasks
self.__amt = 0 # Total cash allocated for the task
class MyTest(unittest.TestCase):
t = task_scheduler.TaskScheduler()
taskQueue = pq()
task = task_scheduler.task.Task("task1", "Y", 1, 100)
task1 = task_scheduler.task.Task("task1", "Y", 4, 100)
processor = task_scheduler.processor.Processor("compute1", 2)
processorFreeQueue = pq()
processorBusyQueue = pq()
def test_processorCoresNotAvailable(self):
self.processorFreeQueue.put(self.processor)
self.assertEqual(processor_manager.ProcessorManager(self.processorFreeQueue, self.processorBusyQueue, task_manager.TaskManager(self.taskQueue.put(self.task1))).getBestAvailableFreeProcessor(self.task1), -1)
def test_processorAvailable(self):
self.processorFreeQueue.put(self.processor)
self.assertIsInstance(processor_manager.ProcessorManager(self.processorFreeQueue, self.processorBusyQueue, task_manager.TaskManager(self.taskQueue.put(self.task))).getBestAvailableFreeProcessor(self.task), processor.Processor)
def _enumerate_element(self,element,evidence,cache):
p,s = element
if s.is_false_sdd: return
last = 0
if not last in cache:
queue = pq()
model = EnumerateModel(evidence=evidence,element=element)
queue.put(model)
cache[last] = queue
while True:
item = cache[last]
if type(item) is tuple:
last += 1
yield item
else: # type is priority queue
queue = item
if queue.empty(): break
model = queue.get()
val,inst = model.val_inst()
cache[last] = val,inst
pnext = model.pnext()
if pnext is not None: queue.put(pnext)
snext = model.snext()
if snext is not None: queue.put(snext)
last += 1
cache[last] = queue
yield val,inst
def bfs(grid, unit):
startR, startC = getCoord(grid, unit)
q = pq()
dist = {}
prev = {}
q.put((0, startR, startC))
dist[(startR, startC)] = 0
prev[(startR, startC)] = (startR, startC)
while not q.empty():
di, r, c = q.get()
for d in range(4):
nr = r + dr[d]
nc = c + dc[d]
if isUnit(grid[nr][nc]
) and kind[grid[nr][nc]] != kind[grid[startR][startC]]:
while dist[(r, c)] > 1:
r, c = prev[(r, c)]
return r, c
for d in range(4):
nr = r + dr[d]
nc = c + dc[d]
if grid[nr][nc] == '.':
if (nr, nc) not in dist or di + 1 < dist[(nr, nc)]:
dist[(nr, nc)] = di + 1
prev[(nr, nc)] = (nr, nc) if di == 0 else prev[(r, c)]
q.put((di + 1, nr, nc))
elif di + 1 == dist[(nr, nc)]:
prev[(nr, nc)] = min(prev[(nr, nc)], prev[(r, c)])
return startR, startC
class TaskManager(object):
taskQueue = pq()
def __init__(self, taskQueue):
self.taskQueue = taskQueue
# This method returns the task in queue which is ready to be executed
def getNextTask(self):
if not self.taskQueue.empty():
task = self.taskQueue.get(block=True, timeout=None)
if task.status == 'Y' or task.status == 'S' or task.status == 'D':
return task
else:
self.taskQueue.put(task)
return None
return None
def addTaskToQueue(self, task):
self.taskQueue.put(task)
# This method marks the task as complete when ticks become 0 and makes the status of task that depend on it to ready
def markTaskAsCompleteAndUpdateDependencies(self, task):
self.markTaskAsComplete(task)
self.updatePostTasks(task)
def updatePostTasks(self, task):
if task.getPostReq() != None:
for postTask in task.getPostReq():
self.updatePreTask(postTask)
def updatePreTask(self, task):
for preReqTask in task.getPreReq():
if preReqTask.getStatus() == 'S':
self.markTaskAsDiscarded(task)
return
if preReqTask.getStatus() != 'C':
return
self.markTaskAsReady(task)
def markTaskAsReady(self, task):
task.setStatus("Y")
def markTaskAsComplete(self, task):
task.setStatus("C")
def markTaskAsDiscarded(self, task):
task.setStatus("S")
print task.name + " cannot be assigned because resources required exceeds available resources or parent task has failed execution!"
def markTaskAsDeadlocked(self, task):
task.setStatus('D')
print task.name + " cannot be scheduled because of deadlock!"
def _enumerate_decomposition(self,evidence):
# set up cache for elements
if self.data is None:
self.data = {}
for element in self.elements:
self.data[element] = {}
queue = pq()
for element in self.elements:
theta = self.theta[element]
cache = self.data[element]
eit = self._enumerate_element(element,evidence,cache)
self._enumerate_update_queue(theta,eit,queue)
while not queue.empty():
val,inst,theta,eit = queue.get()
self._enumerate_update_queue(theta,eit,queue)
yield (-val,inst)
def rank_nodes(num_new):
num_pre = G.number_of_nodes() - num_new
num_modify = params_dynamic['num_modify']
if num_modify == 0:
return
delta_list = [0.0] * num_pre
for u, v in G.edges():
if u >= num_pre or v >= num_pre:
continue
delta_list[u] += float(G[u][v]['weight']) * abs(G[u][v]['delta'])
delta_list[v] += float(G[u][v]['weight']) * abs(G[u][v]['delta'])
for u in G:
if u >= num_pre:
continue
delta_list[u] /= (G.node[u]['in_degree'] + G.node[u]['out_degree'])
q = pq()
for u in G:
if u >= num_pre:
continue
if q.qsize() < num_modify:
q.put_nowait((delta_list[u], u))
continue
items = q.get_nowait()
if items[0] < delta_list[u]:
q.put_nowait((delta_list[u], u))
else:
q.put_nowait(items)
idx = num_pre - 1
while not q.empty():
u = q.get_nowait()[1]
um = mapp[u]
v = rmapp[idx]
mapp[u] = idx
rmapp[idx] = u
mapp[v] = um
rmapp[um] = v
embeddings[[um, idx], :] = embeddings[[idx, um], :]
weights[[um, idx], :] = weights[[idx, um], :]
idx -= 1
def mergeKLists(self, lists):
"""
:type lists: List[ListNode]
:rtype: ListNode
"""
p = pq()
for root in lists:
if root:
p.put((root.val,root))
dummy = ListNode(0)
iterate = dummy
while not p.empty():
last_val = p.get()
iterate.next = ListNode(last_val[0])
change = last_val[1]
if change.next:
p.put((change.next.val,change.next))
iterate = iterate.next
return dummy.next
def computeAnswer(senatorCounts):
senatorQueue = pq()
answer = ""
# put all senators on the queue, then pop off the largest size.
# put them on the queue by the negative size since python pqueues are mins
for index in xrange(len(senatorCounts)):
senatorQueue.put((-1 * senatorCounts[index], chr(index + 65)))
numSenatorsLeft = sum(senatorCounts)
while numSenatorsLeft > 0:
firstSenator = removeOneSenator(senatorQueue)
if numSenatorsLeft != 3:
secondSenator = removeOneSenator(senatorQueue)
exitString = firstSenator + secondSenator
numSenatorsLeft -= 2
else:
exitString = firstSenator
numSenatorsLeft -= 1
answer += " " + exitString
return answer.strip()
def __init__(self, env, robot, goal, heuristicType, noNeighors=4):
# defining environment,robot and start ans goal configurations
# reference: goalconfig = [2.6,-1.3,-pi/2] and startconfig = [-3.4,-1.4,0]
self.env = env
self.robot = robot
self.goal = goal
self.start = robot.GetTransform()[:2, 3].tolist()
self.start.append(0)
self.robot.SetActiveDOFValues(self.start)
# self.start.append(goal[2])
self.startTransform = robot.GetTransform()
# defining step size i.e, minimum dist robot can translate and rotate
# fronter is defined.
self.stepSize = 0.1
self.angleStep = -pi / 4
# openlist is frontier and closedlist is explored
self.frontier = pq(maxsize=0)
self.explored = {}
self.stepCost = 0.1
self.noNeighors = noNeighors
self.heuristicType = heuristicType
self.cost_so_far = {}
# defining start node
self.startNode = Node(self.start, None, 0, self._h(self.start))
self.frontier.put(self.startNode)
self.cost_so_far = {self.startNode: 0}
self.came_from = {self.startNode: None}
self.algorithm()
self.robot.SetActiveDOFValues(self.start)
def get_user_info(request):
if not (request.is_ajax() and request.POST):
raise Http404
n_suggest = 5
similarity_thresh = 0.3
result = []
heap = pq(maxsize=n_suggest)
uid = request.POST.get('uid')
print 'uid:', uid
r = redis.StrictRedis(host='10.0.0.12', port=6379, password='')
try:
g = find_group(r, uid, 10)
g2 = find_group(r, uid, 200, wd=False, wc=True)
m = generate_matrix(r, g)
group_interests = jaccard_first_member(m)[0]
for i, u in enumerate(g[1:]):
if group_interests[i + 1] >= similarity_thresh:
if heap.full():
if heap.queue[0][0] < group_interests[i + 1]:
heap.get()
heap.put((group_interests[i + 1], u[0], u[1]))
else:
heap.put((group_interests[i + 1], u[0], u[1]))
# result += [(u[0], u[1],group_interests[i+1])]
while not heap.empty():
a = heap.get()
result += [(a[1], a[2], a[0])]
result = result[::-1]
f = {'uid': uid, 'result': result[:5], 'group': g, 'more_people': g2}
except:
f = f = {'uid': uid, 'result': [], 'group': [], 'more_people': []}
data = json.dumps(f)
return HttpResponse(data, content_type='application/json')
l = [1, 2, 3, 4, 5, 6, 8, 7, 5, 32] from Queue import PriorityQueue as pq pq1 = pq() pq2 = pq() print(pq1)
from Node import *
from Queue import PriorityQueue as pq
import math, numpy, rospy
import time
from nav_msgs.msg import GridCells
from geometry_msgs.msg import Twist, Point, Pose, PoseStamped, PoseWithCovarianceStamped
import copy
import rospy
from lab3_grid_cells import run
# closed list is a list called explored,
# containing all the nodes the algorithm has expanded
explored = []
# open list is a priority queue called frontier,
# containing the unexplored children of frontier nodes
frontier = pq()
frontierDisplay = [] # create an empty list to hold nodes
def astar(startNode, goal, mapData, grid, startPos):
"""
"""
# Calculate travel distance from one cell to another
# d1 is the orthognal distance from one cell to another
d1 = grid.cell_width
# d2 is the diagonal distance from one cell to another
d2 = math.sqrt(2 * (d1**2))
# Add the starting node to the frontier
frontier.put(startNode)
def init(params, info, **kwargs):
res = params_handler(params, info)
p = ct.obj_dic(params)
G = gh.load_unweighted_digraph(p.network_path, p.is_directed)
info["num_edges"] = len(G.edges())
# top-k nodes
q = pq()
for idx, u in enumerate(G):
if idx < p.num_top:
q.put_nowait((G.node[u]["in_degree"], u))
else:
tmp = q.get_nowait()
if tmp[0] <= G.node[u]["in_degree"]:
q.put_nowait((G.node[u]["in_degree"], u))
else:
q.put_nowait(tmp)
top_lst = []
top_set = set()
while not q.empty():
top_lst.append(q.get_nowait()[1])
top_set.add(top_lst[-1])
print "top_lst: " + str(top_lst)
node_lst = []
for u in G:
if u not in top_set:
node_lst.append(u)
remain_size = len(node_lst)
num_community = (remain_size + p.community_bound - 1) // p.community_bound
num_community_large = remain_size % num_community
num_community_small = num_community - num_community_large
community_size_small = remain_size // num_community
community_size_large = community_size_small + 1
#print remain_size, num_community, num_community_small, num_community_large, community_size_small, community_size_large
topk_params = {
"embeddings": pi.initialize_embeddings(p.num_top, p.dim),
"weights": pi.initialize_weights(p.num_top, p.dim),
"in_degree": [G.node[i]["in_degree"] for i in top_lst],
"out_degree": [G.node[i]["out_degree"] for i in top_lst],
"map": {i: top_lst[i]
for i in xrange(len(top_lst))}
}
#print topk_params
with io.open(os.path.join(p.res_path, "topk_info.pkl"), "wb") as f:
pickle.dump(topk_params, f)
def deal_subgraph(idx, st, ed):
sub_params = {
"embeddings":
pi.initialize_embeddings(ed - st, p.dim),
"weights":
pi.initialize_weights(ed - st, p.dim),
"in_degree":
[G.node[node_lst[st + i]]["in_degree"] for i in xrange(ed - st)],
"out_degree":
[G.node[node_lst[st + i]]["out_degree"] for i in xrange(ed - st)],
"map": {i: node_lst[st + i]
for i in xrange(ed - st)}
}
#print sub_params
with io.open(os.path.join(p.res_path, "%d_info.pkl" % idx), "wb") as f:
pickle.dump(sub_params, f)
for i in xrange(num_community_small):
deal_subgraph(i, i * community_size_small,
(i + 1) * community_size_small)
tmp = num_community_small * community_size_small
for i in xrange(num_community_small, num_community):
deal_subgraph(
i, tmp + (i - num_community_small) * community_size_large,
tmp + (i - num_community_small + 1) * community_size_large)
info["num_community"] = num_community
info["num_community_small"] = num_community_small
info["num_community_large"] = num_community_large
info["community_size_small"] = community_size_small
info["community_size_large"] = community_size_large
#print info
# calculate prob
def cal_q1():
K = float(num_community)
nl = float(community_size_small)
nr = nl + 1
n = float(p.num_nodes - p.num_top)
nh = float(community_size_large)
Kl = float(num_community_small)
Kh = float(num_community_large)
return Kl * nl / n * (nl - 1) / (n - 1) + Kh * nh / n * (nh - 1) / (n -
1)
info["q"] = [cal_q1(), 1.0, float(num_community) if p.q2 is None else p.q2]
tmp = p.num_nodes - p.num_top
info["Z"] = [0.0, info["q"][0] * tmp * tmp + \
2.0 * tmp * p.num_top + info["q"][2] * p.num_top * p.num_top]
info["num_topk_edges"] = 0
for e in G.edges():
if e[0] in top_set and e[1] in top_set:
info["Z"][0] += info["q"][2]
info["num_topk_edges"] += 1
elif e[0] in top_set or e[1] in top_set:
info["Z"][0] += 1
else:
info["Z"][0] += info["q"][0]
info["total_degree"] = G.graph["degree"]
info["num_community"] = num_community
res["data_path"] = p.res_path
print "Info: ", info["q"], info["Z"]
#print "End!!"
return res
def pfactor_gen(size): #for each number n, return some factor of it.
primes = [2]
stuff = [0, 1, 2] + [1, 2] * (size / 2 - 1)
for i in xrange(3, size, 2):
if stuff[i] == 1:
primes.append(i)
for j in xrange(i**2, size, i * 2):
stuff[j] = i
if len(primes) > 500500:
break
return primes
primes = pfactor_gen(SIZE)
divisors = pq()
solution = 1
for prime in primes:
divisors.put(prime)
for i in range(NUM_DIV):
num = divisors.get()
solution = (num * solution) % MOD
if num < SIZE:
divisors.put(num**2)
print solution
print "Time Taken:", time.time() - START
"""
#NOTE needs cleaning
import time
start = time.time()
from Queue import PriorityQueue as pq
items = pq()
items.put( (0,-1,{1}) )
SIZE = 200
vals = [3000] * (SIZE+1)
vals[0] = 0
while 3000 in vals:
item = items.get()
priority = item[0]
new_priority = priority+1
old_val = -1*item[1] # reason for making it negative is due to
elem = item[2] #implementation of priority queue. Takes smallest first.
if old_val > SIZE:
continue
if vals[old_val] > priority:
vals[old_val] = priority
for i in elem:
new_val = i+old_val
if new_val > SIZE or vals[new_val] != 3000:
continue
new_set = set(list(elem))
new_set.add(new_val)
items.put( (new_priority,-1*new_val,new_set) )
print sum(vals)
class ProcessorManager(object):
maxCoresAvailable = 0
processorFreeQueue = pq()
processorBusyQueue = pq()
taskManager = task_manager
def __init__(self, processorFreeQueue, processorBusyQueue, taskManager):
self.processorFreeQueue = processorFreeQueue
self.processorBusyQueue = processorBusyQueue
self.taskManager = taskManager
# Method to get processor for a task that is ready to be executed
def getBestAvailableFreeProcessor(self, task):
count = 0
removed = []
freeProcessors = self.processorFreeQueue._qsize(len)
while count < freeProcessors:
processor = self.processorFreeQueue.get()
if processor.getCore() >= task.getCore():
for busyprocessors in removed:
self.processorFreeQueue.put(busyprocessors)
return processor
# If requirements for task exceed available resources, we discard the task and tasks dependent on it
elif task.getCore() > self.maxCoresAvailable:
removed.append(processor)
self.taskManager.markTaskAsDiscarded(task)
self.taskManager.updatePostTasks(task)
self.updateProcessorInformation(processor)
return -1
else:
removed.append(processor)
count += 1
self.maintainFreeQueue(removed)
return None
# Allot task to processor and start execution
def allotTaskToProcessor(self, task, processor):
self.processorBusyQueue.put(processor)
processor.setTask(task)
processor.setRemainingTicks(task.getTicks())
print "Task : " + task.getName(
) + " , Processor : " + processor.getName()
# Simulating ticks for a process
def decrementTicks(self):
count = 0
removed = []
busyProcessors = self.processorBusyQueue._qsize(len)
while count < busyProcessors:
processor = self.processorBusyQueue.get_nowait()
processor.decrementTick(processor.getCore())
removed.append(processor)
count += 1
self.maintainBusyQueue(removed)
# Methods to handle freeing of processor, marking tasks as complete when execution has finished (tick remaining is 0)
def markTaskAsCompleted(self, task):
self.taskManager.markTaskAsCompleteAndUpdateDependencies(task)
def checkForCompletedTaskAndUpdate(self):
count = 0
removed = []
busyProcessors = self.processorBusyQueue._qsize(len)
while count < busyProcessors:
processor = self.processorBusyQueue.get()
if processor.getRemainingTicks() == 0:
self.markTaskAsCompleted(processor.getTask())
self.updateProcessorInformation(processor)
else:
removed.append(processor)
count += 1
self.maintainBusyQueue(removed)
def updateProcessorInformation(self, processor):
processor.setTask(None)
self.addProcessorToProcessorFreeQueue(processor)
def addProcessorToProcessorFreeQueue(self, processor):
self.processorFreeQueue.put(processor)
def removeProcessorFromProcessorBusyQueue(self, processor):
processor.processorBusyQueue.get()
def runningTasks(self):
if self.processorBusyQueue._qsize(len) > 0:
return True
else:
return False
def maintainFreeQueue(self, removedProcessors):
for busyprocessors in removedProcessors:
self.processorFreeQueue.put(busyprocessors)
def maintainBusyQueue(self, removedProcessors):
for busyprocessors in removedProcessors:
self.processorBusyQueue.put(busyprocessors)
class TaskScheduler(object):
taskQueue = pq()
processorQueue = processor
processorFreeQueue = pq()
processorBusyQueue = pq()
taskManager = task_manager.TaskManager(taskQueue)
processorManager = processor_manager.ProcessorManager(
processorFreeQueue, processorBusyQueue, taskManager)
# Read yaml file and create list of available computing resources
def getProcessorList(self, filePath):
try:
processorsFile = open(filePath)
except IOError:
print "File not found. Please specify the correct path!"
exit(1)
else:
processorsData = yaml.load(processorsFile)
if processorsData != None:
for processor, cores in processorsData.iteritems():
if processor_manager.ProcessorManager.maxCoresAvailable < cores:
processor_manager.ProcessorManager.maxCoresAvailable = cores
self.processorFreeQueue.put(self.processorQueue.Processor(
processor, cores),
block=True,
timeout=None)
else:
print "Input file is empty. Please include computing resources present!"
exit(1)
processorsFile.close()
# Read yaml file that contains task list
def getTaskList(self, filePath):
taskName = ""
cores, ticks = 0, 0
status = "Y"
taskObjects = {}
taskMap = {}
try:
taskFile = open(filePath)
except IOError:
print "File not found. Please specify the correct path!"
exit(1)
else:
fileData = yaml.load(taskFile)
# Updating task queue with various details of task like cores needed, execution time, parent tasks
if fileData != None:
for task, details in fileData.iteritems():
status = "Y"
taskName = task.lower()
if 'cores_required' in details:
if bool(details['cores_required']):
if int(details['cores_required']) > 0:
cores = int(details['cores_required'])
else:
cores = 1
else:
cores = 1
else:
cores = 1
if 'execution_time' in details:
if bool(details['execution_time']):
if int(details['execution_time']) > 0:
ticks = int(details['execution_time'])
else:
ticks = 100
else:
ticks = 100
else:
ticks = 100
if 'parent_tasks' in details:
if (bool(details['parent_tasks'])):
status = "N"
taskMap[taskName] = details['parent_tasks'].lower()
task = self.getTask(taskName, status, cores, ticks)
self.taskQueue.put(task, block=True, timeout=False)
taskObjects[taskName] = task
if status == 'N':
self.addDependentTasks(taskMap, taskObjects, task,
details['parent_tasks'].lower())
for task in taskObjects.itervalues():
if len(task.PreReq) > 0:
for i, taskString in enumerate(task.PreReq):
task.getPreReq().append(taskObjects[taskString])
taskObjects[taskString].getPostReq().append(task)
for parenttask in taskObjects.itervalues():
if len(parenttask.getPreReq()) > 0 and len(
parenttask.getPostReq()) > 0:
for task in parenttask.getPreReq():
if parenttask in task.getPreReq():
task.setStatus('D')
parenttask.setStatus('D')
else:
print "Input file is empty. Please include tasks to be processed!"
exit(1)
taskFile.close()
# If tasks depend on some other tasks, we create a list of dependencies called Post-requirements and Pre-requirements
def addDependentTasks(self, taskMap, taskObjects, task, dependentTasks):
if dependentTasks != None:
for taskName in dependentTasks.split(","):
task.PreReq.append(taskName.strip())
def getTask(self, taskName, dependent, core, ticks):
return task.Task(taskName, dependent, core, ticks)
def __str__(self):
return ""
# This function will execute till the taskQueue is not empty and processor busy queue is not empty
def executeTasks(self):
while (True):
while (True):
if not self.processorFreeQueue.empty():
task = self.taskManager.getNextTask()
if task == None:
break
if task.status == 'S':
self.taskManager.updatePostTasks(task)
break
if task.status == 'D':
self.taskManager.markTaskAsDeadlocked(task)
break
p = self.processorManager.getBestAvailableFreeProcessor(
task)
if p == None:
self.taskManager.addTaskToQueue(task)
break
elif p == -1:
break
else:
self.processorManager.allotTaskToProcessor(task, p)
else:
self.processorManager.decrementTicks()
self.processorManager.checkForCompletedTaskAndUpdate()
self.processorManager.decrementTicks()
self.processorManager.checkForCompletedTaskAndUpdate()
if (not self.processorManager.runningTasks()
) and self.taskQueue.empty():
break
exit
def __init__(self ): self.event_queue = pq()
MOD = 500500507
def pfactor_gen(size): #for each number n, return some factor of it.
primes = [2]
stuff = [0,1,2] + [1,2] *(size/2-1)
for i in xrange(3,size,2):
if stuff[i] == 1:
primes.append(i)
for j in xrange(i**2,size,i*2):
stuff[j] = i
if len(primes) > 500500:
break
return primes
primes = pfactor_gen(SIZE)
divisors = pq()
solution = 1
for prime in primes:
divisors.put(prime)
for i in range(NUM_DIV):
num = divisors.get()
solution = (num * solution) % MOD
if num < SIZE:
divisors.put(num**2)
print solution
print "Time Taken:", time.time() - START