def to_gpu(self):
        if not self.use_gpu:
            self.threshold = cuda.to_gpu(self.threshold)
            self.values = cuda.to_gpu(self.values)
            self.use_gpu = True
Call the custom callback for this object.
dataset/ETHPy150Open pfnet/chainer/chainer/utils/walker_alias.py/WalkerAlias.to_gpu--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.5/extras/completion/py/maya/app/stereo/stereoCameraSets.py/_callFromDefinition