Returns the depth of this node in the call graph. The depth is defined as the length of the longest call chain from a computation with no callers (usually the entry computation node) to this node.
| 125 | // the length of the longest call chain from a computation with no callers |
| 126 | // (usually the entry computation node) to this node. |
| 127 | int depth() const { return depth_; } |
| 128 | |
| 129 | string ToString() const; |
| 130 |
no outgoing calls