Method DoUpdate

tensorflow/core/kernels/dense_update_ops.cc:69–83

 private:
  void DoUpdate(OpKernelContext* context) {
    Tensor Tparams = context->mutable_input(0, use_exclusive_lock_);
    const Tensor& Tupdate = context->input(1);
    OP_REQUIRES(context, Tparams.IsInitialized(),
                errors::FailedPrecondition("Attempting to use uninitialized "
                                           "parameters: ",
                                           requested_input(0)));
    OP_REQUIRES(
        context, Tparams.IsSameSize(Tupdate),
        errors::InvalidArgument("Parameters and update must be the same size"));

    functor::DenseUpdate<Device, T, OP> update_functor;
    update_functor(context->template eigen_device<Device>(), Tparams.flat<T>(),
                   Tupdate.flat<T>());
  }

  bool use_exclusive_lock_;
};