NNI v0.4.1 release

Major Features

New tuner support

• Support network morphism

Training Service Improvements

• Migrate Kubeflow training service's dependency from kubectl CLI to Kubernetes API client
• Pytorch-operator support for Kubeflow training service.
• Improvement on local code files uploading to OpenPAI HDFS.

WebUI improvements

• Enable modify concurrency number during experiment.
• Add feedback link to NNI github 'create issue' page
• Enable customize top 10 trials regarding to metric numbers (largest or smallest)
• Enable download logs for dispatcher & nnimanager
• Enable automatic scaling of axes for metric number

New example

• FashionMnist, work together with network morphism tuner.
• Distributed MNIST example written in PyTorch.

Others

• Show version information both in nnictl and WebUI. You can run nnictl -v to show your current installed NNI version.
• Bug Fix
  • fix the bug that WebUI doesn't show latest trial job status, which is caused by OpenPAI token expiration.
  • Update annotation to support displaying real choice in searchspace