[src] Change smart ptr copy to move sematics, avoid cost of atomic incr/decr (kaldi-asr#2514)

Lallapallooza · danpovey · commit d16ef4bb6deb · 2018-06-20T01:25:53.000-04:00
diff --git a/src/nnet3bin/nnet3-xvector-compute.cc b/src/nnet3bin/nnet3-xvector-compute.cc
@@ -44,7 +44,7 @@ static void RunNnetComputation(const MatrixBase<BaseFloat> &features,
   output_spec.indexes.resize(1);
   request.outputs.resize(1);
   request.outputs[0].Swap(&output_spec);
-  std::shared_ptr<const NnetComputation> computation = compiler->Compile(request);
+  std::shared_ptr<const NnetComputation> computation(std::move(compiler->Compile(request)));
   Nnet *nnet_to_update = NULL;  // we're not doing any update.
   NnetComputer computer(NnetComputeOptions(), *computation,
                   nnet, nnet_to_update);
