def test_simple_barrier(num_of_threads):
sb = SimpleBarrier(num_of_threads)
threads = list()
for i in range(num_of_threads):
t = Thread(simple_barrier_example, sb, i)
threads.append(t)
for t in threads:
t.join()
def test_reusable_barrier(num_of_threads):
sb1 = SimpleBarrier(num_of_threads)
sb2 = SimpleBarrier(num_of_threads)
threads = list()
for i in range(num_of_threads):
t = Thread(reusable_barrier_example, sb1, sb2, f"Thread {i}")
threads.append(t)
for t in threads:
t.join()
self.oxyQueue.signal()
self.hydroQueue.signal(2)
print("bonding")
print("count after bond: oxygen: %d, hydrogen: %d\n" %
(self.oxygenCount, self.hydrogenCount))
"""
Vodík čaká, kým mu príde ďalší vodík a kyslík,
cez prejdu dva.
"""
self.hydroQueue.wait()
"""
Bariera, ktorá pusti cez 3 prvky, aby nenastalo, že nejaký
prvok sa stihne obehnúť.
"""
self.barrier.wait()
threads = []
sh = Shared()
for i in range(100):
t = Thread(sh.oxygen)
threads.append(t)
for i in range(200):
t = Thread(sh.hydrogen)
threads.append(t)
for t in threads:
t.join()
while True:
shared.mutex.lock()
if shared.counter >= shared.end:
shared.mutex.unlock()
break
shared.array[shared.counter] += 1
shared.counter += 1
shared.mutex.unlock()
def counter3(shared):
while True:
shared.mutex.lock()
cnt = shared.counter
shared.counter +=1
shared.mutex.unlock()
if cnt >= shared.end:
break
shared.array[cnt] += 1
for i in range(5):
sh = Shared(1_000_000)
t1 = Thread(counter3, sh)
t2 = Thread(counter3, sh)
t1.join()
t2.join()
print(Histogram(sh.array))
"""
def computation(obj):
obj.mutex.lock()
while True:
if obj.counter >= obj.end:
break
obj.elms[obj.counter] += 1
obj.counter += 1
obj.mutex.unlock()
def histogram(array):
unique = set(array)
out = {}
for item in unique:
out[item] = array.count(item)
return out
shared = Shared(1000000)
th1 = Thread(computation, shared)
th2 = Thread(computation, shared)
th1.join()
th2.join()
print(histogram(shared.elms))
