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我正在嘗試使用python多處理模塊來加速一些計算。第一步是從BioModels數據庫中獲取一些模型。這個名爲BioServices的API可以通過pip install bioservices
進行下載。我已經設法做到這一點,但這需要時間,並會從並行中受益。使用Python多處理模塊從BioModels數據庫下載模型
bio=bioservices.BioModels() #initialize the class for downloading models
m=bio.getAllCuratedModelsId() #assign model ID's to the m (a python list)
def f(ID):
dct={}
name=bio.getModelNameById(ID)#retrieve the model name for the result dict key
print 'running {}'.format(name) #print some information so you can see the program working
dct[name]=bio.getModelSBMLById(ID) #get the model and assign as value in dct
time.sleep(0.5) #stop the program for a bit to prevent bombarding the services and being cut out
return dct
model_dct={}
P=multiprocessing.Pool(8)
for i in m:
model_dct.update(P.map(f,i)) # parallelize
print time.time()-start+'seconds'
目前這只是初始化生物類和崩潰(或至少無所作爲)。任何人都可以建議如何解決我的代碼?
感謝