[AutoDiff] Only checkpoint values that are active #20307
Only checkpoint active values
8768a366
Revert unrelated closure test.
29faf88c
dan-zheng
approved these changes
on 2018-11-03
rxwei
merged
48632630
into tensorflow 6 years ago
rxwei
deleted the fix-dumb-checkpointing branch 6 years ago
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This is to fix a bug where the primal emitter sometimes checkpoints non-active values. The check for activity in checkpointing logic was incorrect.