Materialize inputs en masse when executing a 0-output lazy operation. (#406)
Materialize inputs en masse when executing a 0-output lazy operation. (#406)

* Materialize inputs en-masse when executing a 0-output lazy operation.

Related to https://bugs.swift.org/browse/TF-604


tensorflow/swift-apis,tensorflow/swift-apis,tensorflow/swift-apis,tensorflow/swift-apis,tensorflow/swift-apis