diff options
Diffstat (limited to 'tensorflow/cc/ops/while_loop.h')
| -rw-r--r-- | tensorflow/cc/ops/while_loop.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tensorflow/cc/ops/while_loop.h b/tensorflow/cc/ops/while_loop.h index 82181516d6..a04476056a 100644 --- a/tensorflow/cc/ops/while_loop.h +++ b/tensorflow/cc/ops/while_loop.h @@ -49,7 +49,12 @@ typedef std::function<Status(const Scope&, const std::vector<Output>& inputs, // * outputs: output param that returns final loop variable outputs in non-error // case. Must be non-null and empty. // * create_while_ctx: if true, a WhileContext is created and populated for this -// loop. See core/graph/while_context.h for more details. +// loop. See core/graph/while_context.h for more details on +// WhileContexts. This is set to false for loops used as part of gradient +// computations, since they're part of the gradient for a loop in the +// forward-pass. +// TODO(skyewm): revisit this. Should we create WhileContexts for all loops, +// even if we don't need them? // * cond_output: if non-null, the output of the predicate is returned. This // will always be a LoopCond node. // |