1 files changed, 51 insertions, 0 deletions
diff --git a/tensorflow/core/kernels/unique_op_test.cc b/tensorflow/core/kernels/unique_op_test.cc
new file mode 100644
index 0000000000..658f2282cf
--- /dev/null
+++ b/tensorflow/core/kernels/unique_op_test.cc
@@ -0,0 +1,51 @@
+#include <functional>
+#include <memory>
+#include <vector>
+
+#include "tensorflow/core/common_runtime/kernel_benchmark_testlib.h"
+#include "tensorflow/core/framework/types.h"
+#include "tensorflow/core/framework/types.pb.h"
+#include "tensorflow/core/graph/testlib.h"
+#include "tensorflow/core/graph/node_builder.h"
+#include "tensorflow/core/kernels/ops_testutil.h"
+#include "tensorflow/core/kernels/ops_util.h"
+#include "tensorflow/core/platform/test_benchmark.h"
+#include "tensorflow/core/public/tensor.h"
+#include <gtest/gtest.h>
+#include "tensorflow/core/lib/core/status_test_util.h"
+
+namespace tensorflow {
+
+namespace {
+
+static void BM_Unique(int iters, int dim) {
+  testing::StopTiming();
+  RequireDefaultOps();
+  Graph* g = new Graph(OpRegistry::Global());
+
+  Tensor input(DT_INT32, TensorShape({dim}));
+  input.flat<int32>().setRandom();
+
+  Node* node;
+  TF_CHECK_OK(NodeBuilder(g->NewName("n"), "Unique")
+                  .Input(test::graph::Constant(g, input))
+                  .Attr("T", DT_INT32)
+                  .Finalize(g, &node));
+
+  testing::BytesProcessed(static_cast<int64>(iters) * dim * sizeof(int32));
+  testing::UseRealTime();
+  testing::StartTiming();
+  test::Benchmark("cpu", g).Run(iters);
+}
+
+BENCHMARK(BM_Unique)
+    ->Arg(32)
+    ->Arg(256)
+    ->Arg(1024)
+    ->Arg(4 * 1024)
+    ->Arg(16 * 1024)
+    ->Arg(64 * 1024)
+    ->Arg(256 * 1024);
+
+}  // namespace
+}  // namespace tensorflow