Method IsExpensive

tensorflow/core/common_runtime/kernel_stat.h:109–113

Returns true iff the given node is considered "expensive". The executor uses this flag to optimize graph execution, for example by "inlining" inexpensive kernels.

  // executor uses this flag to optimize graph execution, for example
  // by "inlining" inexpensive kernels.
  bool IsExpensive(const NodeItem& node) const {
    return is_expensive_[node.node->id()] &&
           (cost_estimates_[node.node->id()].load(std::memory_order_relaxed) >
            kOpIsExpensiveThresholdCycles);
  }

  // Returns the value of kernel->IsExpensive().
  bool HasExpensiveMarker(const NodeItem& node) const {