def check_backward(self, x_data, y_grad, use_cudnn='always'):
with chainer.using_config('use_cudnn', use_cudnn):
gradient_check.check_backward(
functions.SpatialPyramidPooling2D(x_data.shape[1:],
self.pyramid_height,
self.pooling_class), x_data,
y_grad, **self.check_backward_options)
def check_backward(self, x_data, y_grad, use_cudnn=True):
gradient_check.check_backward(
functions.SpatialPyramidPooling2D(x_data.shape[1:],
self.pyramid_height,
self.pooling_class,
use_cudnn=use_cudnn), x_data,
y_grad, **self.check_backward_options)