def optVOInoParal(self,i):
n1=self._n1
args3=self.getParametersOptVoi(i)
Xst=self.Obj.sampleFromX(1)
st=Xst[0:1,:]
args3['start']=st
self.optRuns.append(misc.VOIOptWrapper(self,**args3))
fl.writeNewPointKG(self,self.optRuns[0])
self.optRuns=[]
self.optPointsArray=[]
def optVOIParal(self,i,nStart,numProcesses=None):
try:
n1=self._n1
# n2=self._dimW
# dim=self.dimension
args3=self.getParametersOptVoi(i)
Xst=self.Obj.sampleFromX(nStart)
jobs = []
pool = mp.Pool(processes=numProcesses)
for j in range(nStart):
st=Xst[j:j+1,:]
args2=args3.copy()
args2['start']=st
job = pool.apply_async(misc.VOIOptWrapper, args=(self,), kwds=args2)
jobs.append(job)
pool.close() # signal that no more data coming in
pool.join() # wait for all the tasks to complete
except KeyboardInterrupt:
print "Ctrl+c received, terminating and joining pool."
pool.terminate()
pool.join()
numStarts=nStart
# print jobs[0].get()
for j in range(numStarts):
try:
self.optRuns.append(jobs[j].get())
except Exception as e:
print "Error optimizing VOI"
if len(self.optRuns):
j = np.argmax([o.fOpt for o in self.optRuns])
fl.writeNewPointKG(self,self.optRuns[j])
self.optRuns=[]
self.optPointsArray=[]
