if super().stopped():
print('Task was Cancelled')
counter = -1
return counter
if ints[i] + ints[j] + ints[k] == 0:
counter += 1
print(f'Triple found:{ints[i]}, {ints[j]}, {ints[k]}',
end='\n')
print(f'ended count_three_sum. Triplets counter={counter}')
return counter
if __name__ == '__main__':
print('started main')
ints = read_ints('..\\data\\1Kints.txt')
task = ThreeSumUnitOfWork(ints)
task.start()
time.sleep(10)
task.stop()
task.join()
print(task.stopped())
print('ended main')
@measure_time
def run_in_parallel(ints):
t1 = threading.Thread(target=count_three_sum,
daemon=True,
args=(ints, 't1'))
t2 = threading.Thread(target=count_three_sum,
daemon=True,
args=(ints, 't2'))
t1.start()
t2.start()
t1.join()
t2.join()
@measure_time
def run_sequentially(ints):
count_three_sum(ints)
count_three_sum(ints)
if __name__ == "__main__":
print("start")
ints = read_ints("./ints/1Kints.txt")
run_in_parallel(ints)
run_sequentially(ints)
print("Ended main")
daemon=True,
args=(ints, 't1'))
t2 = threading.Thread(target=count_three_sum,
daemon=True,
args=(ints, 't2'))
t1.start()
t2.start()
print('\nGoing to wait for threads')
t2.join()
t2.join()
@measure_time
def run_in_sequentially(ints):
count_three_sum(ints, 'main')
count_three_sum(ints, 'main')
if __name__ == '__main__':
print('Started main')
ints = read_ints('../data/2Kints.txt')
run_in_parallel(ints) # Executed time is 271.11 seconds.
run_in_sequentially(ints) # Executed time is 266.25 seconds.
print('Ended main')
@measure_time
def run_in_parallel(ints):
t1 = threading.Thread(target=count_three_sum, daemon=True, args=(ints, 't1'))
t2 = threading.Thread(target=count_three_sum, daemon=True, args=(ints, 't2'))
t1.start()
t2.start()
print('\nGoing to wait for threads')
t1.join()
t2.join()
@measure_time
def run_sequentially(ints):
count_three_sum(ints, 'main')
count_three_sum(ints, 'main')
if __name__ == '__main__':
print('started main')
ints = read_ints("..\\\data\\1Kints.txt")
run_in_parallel(ints)
run_sequentially(ints)
print('ended main')
import concurrent.futures
from multithreading.count_three_sum import count_three_sum, read_ints
if __name__ == '__main__':
print(f"started main")
data = read_ints('./ints/1Kints.txt')
with concurrent.futures.ThreadPoolExecutor(max_workers=4) as executor:
results = executor.map(count_three_sum, (data, data), ('t1', 't2'))
for r in results:
print(f"{r=}")
print('ended main')
import concurrent.futures
from multithreading.count_three_sum import read_ints, count_three_sum
if __name__ == '__main__':
print('Started main')
data = read_ints('../data/1Kints.txt')
with concurrent.futures.ThreadPoolExecutor(max_workers=2) as executor:
results = executor.map(count_three_sum, (data, data), ('t1', 't2'))
print('After map')
for r in results:
print(f'{r=}')
print('After for')
print('Ended main')
