示例#1
0
 def _produceSamples(self):
     """ Append batch size new samples and evaluate them. """
     reuseindices = []
     if self.numLearningSteps == 0 or not self.importanceMixing:
         [
             self._oneEvaluation(self._sample2base(self._produceSample()))
             for _ in range(self.batchSize)
         ]
         self._pointers = list(
             range(
                 len(self._allEvaluated) - self.batchSize,
                 len(self._allEvaluated)))
     else:
         reuseindices, newpoints = importanceMixing(
             list(map(self._base2sample,
                      self._currentEvaluations)), self._oldpdf,
             self._newpdf, self._produceSample, self.forcedRefresh)
         [self._oneEvaluation(self._sample2base(s)) for s in newpoints]
         self._pointers = ([self._pointers[i] for i in reuseindices] + list(
             range(
                 len(self._allEvaluated) - self.batchSize +
                 len(reuseindices), len(self._allEvaluated))))
     self._allGenSteps.append(self._allGenSteps[-1] + self.batchSize -
                              len(reuseindices))
     self._allPointers.append(self._pointers)
示例#2
0
 def _produceSamples(self):
     """ Append batch size new samples and evaluate them. """
     reuseindices = []
     if self.numLearningSteps == 0 or not self.importanceMixing:
         [self._oneEvaluation(self._sample2base(self._produceSample())) for _ in range(self.batchSize)]
         self._pointers = list(range(len(self._allEvaluated)-self.batchSize, len(self._allEvaluated)))
     else:
         reuseindices, newpoints = importanceMixing(map(self._base2sample, self._currentEvaluations),
                                                    self._oldpdf, self._newpdf, self._produceSample, self.forcedRefresh)
         [self._oneEvaluation(self._sample2base(s)) for s in newpoints]
         self._pointers = ([self._pointers[i] for i in reuseindices]+
                           range(len(self._allEvaluated)-self.batchSize+len(reuseindices), len(self._allEvaluated)))
     self._allGenSteps.append(self._allGenSteps[-1]+self.batchSize-len(reuseindices))
     self._allPointers.append(self._pointers)