This PR offers a hotfix for issue #51 by using Rheem's reference counting facility and execution lineage to pin down input ChannelInstances of lazily executed ExecutionOperators.
In a more principled approach, however, the whole execution lineage could be subject to the reference counting scheme. Also, a test would be nice.
This PR offers a hotfix for issue #51 by using Rheem's reference counting facility and execution lineage to pin down input
ChannelInstances of lazily executedExecutionOperators.In a more principled approach, however, the whole execution lineage could be subject to the reference counting scheme. Also, a test would be nice.