fromjoblibimportParallel,delayedimportmath# 定义一个计算平方根的函数defcompute_sqrt(number):returnmath.sqrt(number)# 创建一个数字列表numbers=range(10**6)# 使用Parallel进行并行计算if__name__=="__main__":results=Parallel(n_jobs=4)(delayed(compute_sqrt)(n)forninnumbers)print(results[:10])# ...
datetime import pp def isprime(n): """Returns True if n is prime and False otherwise""" if not isinstance(n, int): raise TypeError("argument passed to is_prime is not of 'int' type") if n < 2: return False if n == 2: return True max = int(math.ceil(math.sqrt(n))) i ...
IEnumerable<int> numbers = Enumerable.Range (3, 100000-3); var parallelQuery = from n in numbers.AsParallel() where Enumerable.Range (2, (int) Math.Sqrt (n)).All (i => n % i > 0) select n; int[] primes = parallelQuery.ToArray(); As...
#Desc: This program demonstrates parallel computations with pp module #It calculates the sum of prime numbers below a given integer in parallel #Parallel Python Software: http://www.parallelpython.com/ importmath, sys, time importpp defisprime(n): """Returns True if n is prime and False ot...
max=int(math.ceil(math.sqrt(n))) i= 2whilei <=max:ifn % i ==0:returnFalse i+= 1returnTruedefSumPrimes(n):"""计算从2-n之间的所有素数之和"""returnsum([xforxinxrange(2,n)ifIsPrime(x)]) inputs= (100000, 100100, 100200, 100300, 100400, 100500, 100600, 100700) ...
下面的代码示例展示了如何使用这两种执行器进行并行处理。 3.1 使用ProcessPoolExecutor importconcurrent.futuresimportmathdefcompute_factorial(n):returnmath.factorial(n)numbers=[5,10,15,20]withconcurrent.futures.ProcessPoolExecutor()asexecutor:results=list(executor.map(compute_factorial,numbers))print("Factorial...
{//create a new sub-deferred for each parallel taskvardef =new$.Deferred();//promise the deferreddef.promise();//save the background data for the deferred itemdef.options= {//property containing the current array itemargs: arr[i],//property containing the deferred itselfdeferred: def,//...
import contextlib import joblib from tqdm import tqdm @contextlib.contextmanager def tqdm_joblib(tqdm_object): """Context manager to patch joblib to report into tqdm progress bar given as argument""" class TqdmBatchCompletionCallback(joblib.parallel.BatchCompletionCallBack): def __call__(self, ...
2: return False if n == 2: return True max = int(math.ceil(math.sqrt(n))) i = 2 while i <= max: if n % i == 0: return False i += 1 return True def sum_primes(n): """Calculates sum of all primes below given integer n""" return sum([x for x in xrange(2,n) if...
def main(): cpu_parallel_job = '^job$' tetrad_parallel_job = '^job$' two_parallel_job = '^job$' non_parallel_job = '^job$' test_cases = sys.argv[1] test_cases = test_cases.split("\n") for unittest in CPU_PARALLEL_JOB: if unittest in test_cases: cpu_...