(tensorflow)ubuntu@ip-172-30-2-186:~/work/chainer-VAE$ python train_vae.py --gpu 0 --epoch 2000 --dimz 80 --betac 5
GPU: 0

dim z: 80

Minibatch-size: 100

epoch: 2000

load MNIST dataset
dump computational graph of main/loss
epoch main/loss validation/main/loss
1 221.22 190.744
2 182.039 177.44
3 177.022 174.298
4 173.123 170.153
5 169.541 167.768
Traceback (most recent call last):
File "train_vae.py", line 161, in
main()
File "train_vae.py", line 158, in main
trainer.run()
File "/home/ubuntu/anaconda2/envs/tensorflow/lib/python2.7/site-packages/chainer/training/trainer.py", line 292, in run
entry.extension(self)
File "train_vae.py", line 124, in save_images
x1 = model.decode(model.encode(x)[0])
File "/home/ubuntu/work/chainer-VAE/net.py", line 56, in encode
h1 = F.tanh(self.le1(x))
File "/home/ubuntu/anaconda2/envs/tensorflow/lib/python2.7/site-packages/chainer/links/connection/linear.py", line 92, in call
return linear.linear(x, self.W, self.b)
File "/home/ubuntu/anaconda2/envs/tensorflow/lib/python2.7/site-packages/chainer/functions/connection/linear.py", line 79, in linear
return LinearFunction()(x, W, b)
File "/home/ubuntu/anaconda2/envs/tensorflow/lib/python2.7/site-packages/chainer/function.py", line 199, in call
outputs = self.forward(in_data)
File "/home/ubuntu/anaconda2/envs/tensorflow/lib/python2.7/site-packages/chainer/functions/connection/linear.py", line 36, in forward
y = x.dot(W.T).astype(x.dtype, copy=False)
File "cupy/core/core.pyx", line 1003, in cupy.core.core.ndarray.array (cupy/core/core.cpp:20702)
File "cupy/core/core.pyx", line 284, in cupy.core.core.ndarray.astype (cupy/core/core.cpp:7053)
File "cupy/core/core.pyx", line 1336, in cupy.core.core.elementwise_copy (cupy/core/core.cpp:49642)
File "cupy/core/elementwise.pxi", line 771, in cupy.core.core.ufunc.call (cupy/core/core.cpp:40576)
File "cupy/util.pyx", line 35, in cupy.util.memoize.decorator.ret (cupy/util.cpp:1261)
File "cupy/core/elementwise.pxi", line 558, in cupy.core.core._get_ufunc_kernel (cupy/core/core.cpp:36778)
File "cupy/core/elementwise.pxi", line 134, in cupy.core.core._get_kernel_params (cupy/core/core.cpp:29061)
File "cupy/core/elementwise.pxi", line 84, in cupy.core.core.get_typename (cupy/core/core.cpp:28072)
KeyError: <type 'numpy.object'>
(tensorflow)ubuntu@ip-172-30-2-186:~/work/chainer-VAE$

but cpu ok!