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authorGravatar A. Unique TensorFlower <gardener@tensorflow.org>2017-06-01 09:42:04 -0700
committerGravatar TensorFlower Gardener <gardener@tensorflow.org>2017-06-01 09:45:21 -0700
commiteb10a4c494d95e7c17ddc44ef35197d08f2f6b33 (patch)
treec920e61142ba74b437c3c39036a4748ba575b039 /tensorflow/core/ops/string_ops_test.cc
parentce32228c49e595f966485acee947131e4ab04905 (diff)
Preallocate vector storage when the ultimate vector size is known in advance
PiperOrigin-RevId: 157724431
Diffstat (limited to 'tensorflow/core/ops/string_ops_test.cc')
-rw-r--r--tensorflow/core/ops/string_ops_test.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/tensorflow/core/ops/string_ops_test.cc b/tensorflow/core/ops/string_ops_test.cc
index 79130bae2c..f4d3adbb2a 100644
--- a/tensorflow/core/ops/string_ops_test.cc
+++ b/tensorflow/core/ops/string_ops_test.cc
@@ -27,6 +27,7 @@ TEST(StringOpsTest, StringJoin_ShapeFn) {
ShapeInferenceTestOp op("StringJoin");
int n = 3;
std::vector<NodeDefBuilder::NodeOut> src_list;
+ src_list.reserve(n);
for (int i = 0; i < n; ++i) src_list.emplace_back("a", 0, DT_STRING);
TF_ASSERT_OK(NodeDefBuilder("test", "StringJoin")
.Input(src_list)