DistributionPattern.POINTWISE);
forward1.connectTo(forward2, ChannelType.IN_MEMORY,
DistributionPattern.POINTWISE);
forward2.connectTo(forward3, ChannelType.NETWORK,
DistributionPattern.POINTWISE);
forward3.connectTo(output1, ChannelType.IN_MEMORY);
// setup instance sharing
input1.setVertexToShareInstancesWith(forward1);
forward1.setVertexToShareInstancesWith(forward2);
forward2.setVertexToShareInstancesWith(forward3);