Add tf.BenchmarkConfig that returns a session config appropriate for benchmarking. At the moment, it returns a default config with only Grappler dependency optimizer disabled. Many benchmarks wrap the subgraph they want to time in control_flow_ops.group() to avoid including the overhead of copying the output back to the Python client in the measurement. In the graph, this only adds a control dependency between the subgraph output and the fetch node, which in turn (often) causes the dependency optimizer to turn all nodes in the graph into no-ops.

PiperOrigin-RevId: 216242463

15 files changed, 84 insertions, 54 deletions

diff --git a/tensorflow/python/kernel_tests/benchmark_test.py b/tensorflow/python/kernel_tests/benchmark_test.py
index 78b6e38d94..5777a5d097 100644
--- a/tensorflow/python/kernel_tests/benchmark_test.py
+++ b/tensorflow/python/kernel_tests/benchmark_test.py
@@ -64,7 +64,7 @@ class TestReportingBenchmark(test.Benchmark):
                 "other_key": "string"})
 
   def benchmark_times_an_op(self):
-    with session.Session() as sess:
+    with session.Session(config=benchmark.benchmark_config()) as sess:
       a = constant_op.constant(0.0)
       a_plus_a = a + a
       return self.run_op_benchmark(
diff --git a/tensorflow/python/kernel_tests/cholesky_op_test.py b/tensorflow/python/kernel_tests/cholesky_op_test.py
index 782e6b5068..2ebf74a4d7 100644
--- a/tensorflow/python/kernel_tests/cholesky_op_test.py
+++ b/tensorflow/python/kernel_tests/cholesky_op_test.py
@@ -36,6 +36,7 @@ from tensorflow.python.ops import math_ops
 from tensorflow.python.ops import random_ops
 from tensorflow.python.ops import variables
 from tensorflow.python.ops.linalg import linalg
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test
 from tensorflow.python.platform import tf_logging
 
@@ -327,7 +328,7 @@ class CholeskyBenchmark(test.Benchmark):
   def benchmarkCholeskyOp(self):
     for shape in self.shapes:
       with ops.Graph().as_default(), \
-          session.Session() as sess, \
+          session.Session(config=benchmark.benchmark_config()) as sess, \
           ops.device("/cpu:0"):
         matrix = variables.Variable(self._GenerateMatrix(shape))
         l = linalg_ops.cholesky(matrix)
@@ -341,7 +342,7 @@ class CholeskyBenchmark(test.Benchmark):
 
       if test.is_gpu_available(True):
         with ops.Graph().as_default(), \
-            session.Session() as sess, \
+            session.Session(config=benchmark.benchmark_config()) as sess, \
             ops.device("/device:GPU:0"):
           matrix = variables.Variable(self._GenerateMatrix(shape))
           l = linalg_ops.cholesky(matrix)
@@ -359,7 +360,7 @@ class CholeskyBenchmark(test.Benchmark):
       for shape in self.shapes:
         matrix = self._GenerateMatrix(shape)
         with ops.Graph().as_default(), \
-            session.Session() as sess, \
+            session.Session(config=benchmark.benchmark_config()) as sess, \
             ops.device(device):
           l = variables.Variable(np.linalg.cholesky(matrix))
           grad_matrix = variables.Variable(
diff --git a/tensorflow/python/kernel_tests/determinant_op_test.py b/tensorflow/python/kernel_tests/determinant_op_test.py
index a52b2c0dc3..fb114f9f24 100644
--- a/tensorflow/python/kernel_tests/determinant_op_test.py
+++ b/tensorflow/python/kernel_tests/determinant_op_test.py
@@ -28,6 +28,7 @@ from tensorflow.python.ops import gen_linalg_ops
 from tensorflow.python.ops import linalg_ops
 from tensorflow.python.ops import random_ops
 from tensorflow.python.ops import variables
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test
 
 
@@ -185,8 +186,8 @@ class MatrixDeterminantBenchmark(test.Benchmark):
 
   def benchmarkMatrixDeterminantOp(self):
     for shape in self.shapes:
-      with ops.Graph().as_default(), session.Session() as sess, ops.device(
-          "/cpu:0"):
+      with ops.Graph().as_default(), session.Session(
+          config=benchmark.benchmark_config()) as sess, ops.device("/cpu:0"):
         matrix = self._GenerateMatrix(shape)
         d = linalg_ops.matrix_determinant(matrix)
         variables.global_variables_initializer().run()
@@ -198,8 +199,8 @@ class MatrixDeterminantBenchmark(test.Benchmark):
             name="matrix_determinant_cpu_{shape}".format(shape=shape))
 
       if test.is_gpu_available(True):
-        with ops.Graph().as_default(), session.Session() as sess, ops.device(
-            "/gpu:0"):
+        with ops.Graph().as_default(), session.Session(
+            config=benchmark.benchmark_config()) as sess, ops.device("/gpu:0"):
           matrix = self._GenerateMatrix(shape)
           d = linalg_ops.matrix_determinant(matrix)
           variables.global_variables_initializer().run()
diff --git a/tensorflow/python/kernel_tests/matrix_band_part_op_test.py b/tensorflow/python/kernel_tests/matrix_band_part_op_test.py
index 68d626de2c..a0ef3a607e 100644
--- a/tensorflow/python/kernel_tests/matrix_band_part_op_test.py
+++ b/tensorflow/python/kernel_tests/matrix_band_part_op_test.py
@@ -27,6 +27,7 @@ from tensorflow.python.ops import array_ops
 from tensorflow.python.ops import control_flow_ops
 from tensorflow.python.ops import gradient_checker
 from tensorflow.python.ops import variables
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test as test_lib
 
 
@@ -109,7 +110,7 @@ class MatrixBandPartBenchmark(test_lib.Benchmark):
     for shape_ in self.shapes:
       for limits in (-1, -1), (-1, 0), (0, -1), (2, 2):
         with ops.Graph().as_default(), \
-            session.Session() as sess, \
+            session.Session(config=benchmark.benchmark_config()) as sess, \
             ops.device("/cpu:0"):
           matrix = variables.Variable(array_ops.ones(shape_))
           band = array_ops.matrix_band_part(matrix, limits[0], limits[1])
@@ -123,7 +124,7 @@ class MatrixBandPartBenchmark(test_lib.Benchmark):
 
         if test_lib.is_gpu_available(True):
           with ops.Graph().as_default(), \
-              session.Session() as sess, \
+              session.Session(config=benchmark.benchmark_config()) as sess, \
               ops.device("/gpu:0"):
             matrix = variables.Variable(array_ops.ones(shape_))
             band = array_ops.matrix_band_part(matrix, limits[0], limits[1])
diff --git a/tensorflow/python/kernel_tests/matrix_exponential_op_test.py b/tensorflow/python/kernel_tests/matrix_exponential_op_test.py
index 0386e91276..9630c052b8 100644
--- a/tensorflow/python/kernel_tests/matrix_exponential_op_test.py
+++ b/tensorflow/python/kernel_tests/matrix_exponential_op_test.py
@@ -30,6 +30,7 @@ from tensorflow.python.ops import control_flow_ops
 from tensorflow.python.ops import random_ops
 from tensorflow.python.ops import variables
 from tensorflow.python.ops.linalg import linalg_impl
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test
 
 
@@ -181,7 +182,7 @@ class MatrixExponentialBenchmark(test.Benchmark):
   def benchmarkMatrixExponentialOp(self):
     for shape in self.shapes:
       with ops.Graph().as_default(), \
-          session.Session() as sess, \
+          session.Session(config=benchmark.benchmark_config()) as sess, \
           ops.device("/cpu:0"):
         matrix = self._GenerateMatrix(shape)
         expm = linalg_impl.matrix_exponential(matrix)
@@ -195,7 +196,7 @@ class MatrixExponentialBenchmark(test.Benchmark):
 
       if test.is_gpu_available(True):
         with ops.Graph().as_default(), \
-            session.Session() as sess, \
+            session.Session(config=benchmark.benchmark_config()) as sess, \
             ops.device("/gpu:0"):
           matrix = self._GenerateMatrix(shape)
           expm = linalg_impl.matrix_exponential(matrix)
diff --git a/tensorflow/python/kernel_tests/matrix_inverse_op_test.py b/tensorflow/python/kernel_tests/matrix_inverse_op_test.py
index 720ba806e9..8bda04b53d 100644
--- a/tensorflow/python/kernel_tests/matrix_inverse_op_test.py
+++ b/tensorflow/python/kernel_tests/matrix_inverse_op_test.py
@@ -28,6 +28,7 @@ from tensorflow.python.ops import linalg_ops
 from tensorflow.python.ops import math_ops
 from tensorflow.python.ops import random_ops
 from tensorflow.python.ops import variables
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test
 
 
@@ -179,7 +180,7 @@ class MatrixInverseBenchmark(test.Benchmark):
     for adjoint in False, True:
       for shape in self.shapes:
         with ops.Graph().as_default(), \
-            session.Session() as sess, \
+            session.Session(config=benchmark.benchmark_config()) as sess, \
             ops.device("/cpu:0"):
           matrix = self._GenerateMatrix(shape)
           inv = linalg_ops.matrix_inverse(matrix, adjoint=adjoint)
@@ -193,7 +194,7 @@ class MatrixInverseBenchmark(test.Benchmark):
 
         if test.is_gpu_available(True):
           with ops.Graph().as_default(), \
-              session.Session() as sess, \
+              session.Session(config=benchmark.benchmark_config()) as sess, \
               ops.device("/gpu:0"):
             matrix = self._GenerateMatrix(shape)
             inv = linalg_ops.matrix_inverse(matrix, adjoint=adjoint)
diff --git a/tensorflow/python/kernel_tests/matrix_logarithm_op_test.py b/tensorflow/python/kernel_tests/matrix_logarithm_op_test.py
index 723a15fbd1..3205e211d9 100644
--- a/tensorflow/python/kernel_tests/matrix_logarithm_op_test.py
+++ b/tensorflow/python/kernel_tests/matrix_logarithm_op_test.py
@@ -31,6 +31,7 @@ from tensorflow.python.ops import math_ops
 from tensorflow.python.ops import random_ops
 from tensorflow.python.ops import variables
 from tensorflow.python.ops.linalg import linalg_impl
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test
 
 
@@ -159,7 +160,7 @@ class MatrixLogarithmBenchmark(test.Benchmark):
   def benchmarkMatrixLogarithmOp(self):
     for shape in self.shapes:
       with ops.Graph().as_default(), \
-          session.Session() as sess, \
+          session.Session(config=benchmark.benchmark_config()) as sess, \
           ops.device("/cpu:0"):
         matrix = self._GenerateMatrix(shape)
         logm = gen_linalg_ops.matrix_logarithm(matrix)
diff --git a/tensorflow/python/kernel_tests/matrix_solve_ls_op_test.py b/tensorflow/python/kernel_tests/matrix_solve_ls_op_test.py
index de495968a7..225a10e117 100644
--- a/tensorflow/python/kernel_tests/matrix_solve_ls_op_test.py
+++ b/tensorflow/python/kernel_tests/matrix_solve_ls_op_test.py
@@ -29,6 +29,7 @@ from tensorflow.python.ops import control_flow_ops
 from tensorflow.python.ops import linalg_ops
 from tensorflow.python.ops import math_ops
 from tensorflow.python.ops import variables
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test as test_lib
 
 
@@ -313,7 +314,7 @@ class MatrixSolveLsBenchmark(test_lib.Benchmark):
       for num_rhs in 1, 2, matrix_shape[-1]:
 
         with ops.Graph().as_default(), \
-            session.Session() as sess, \
+            session.Session(config=benchmark.benchmark_config()) as sess, \
             ops.device("/cpu:0"):
           matrix, rhs = _GenerateTestData(matrix_shape, num_rhs)
           x = linalg_ops.matrix_solve_ls(matrix, rhs, regularizer)
@@ -328,7 +329,7 @@ class MatrixSolveLsBenchmark(test_lib.Benchmark):
 
         if run_gpu_test and (len(matrix_shape) < 3 or matrix_shape[0] < 513):
           with ops.Graph().as_default(), \
-                session.Session() as sess, \
+                session.Session(config=benchmark.benchmark_config()) as sess, \
                 ops.device("/gpu:0"):
             matrix, rhs = _GenerateTestData(matrix_shape, num_rhs)
             x = linalg_ops.matrix_solve_ls(matrix, rhs, regularizer)
diff --git a/tensorflow/python/kernel_tests/matrix_solve_op_test.py b/tensorflow/python/kernel_tests/matrix_solve_op_test.py
index b8f2736b7b..264df2565c 100644
--- a/tensorflow/python/kernel_tests/matrix_solve_op_test.py
+++ b/tensorflow/python/kernel_tests/matrix_solve_op_test.py
@@ -29,6 +29,7 @@ from tensorflow.python.ops import control_flow_ops
 from tensorflow.python.ops import linalg_ops
 from tensorflow.python.ops import random_ops
 from tensorflow.python.ops import variables
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test
 
 
@@ -167,7 +168,7 @@ class MatrixSolveBenchmark(test.Benchmark):
         for num_rhs in 1, 2, matrix_shape[-1]:
 
           with ops.Graph().as_default(), \
-              session.Session() as sess, \
+              session.Session(config=benchmark.benchmark_config()) as sess, \
               ops.device("/cpu:0"):
             matrix, rhs = self._GenerateTestData(matrix_shape, num_rhs)
             x = linalg_ops.matrix_solve(matrix, rhs, adjoint=adjoint)
@@ -185,7 +186,7 @@ class MatrixSolveBenchmark(test.Benchmark):
 
           if run_gpu_test:
             with ops.Graph().as_default(), \
-                session.Session() as sess, \
+                session.Session(config=benchmark.benchmark_config()) as sess, \
                 ops.device("/gpu:0"):
               matrix, rhs = self._GenerateTestData(matrix_shape, num_rhs)
               x = linalg_ops.matrix_solve(matrix, rhs, adjoint=adjoint)
diff --git a/tensorflow/python/kernel_tests/sparse_tensors_map_ops_test.py b/tensorflow/python/kernel_tests/sparse_tensors_map_ops_test.py
index 31e84341ae..fdfe1001b8 100644
--- a/tensorflow/python/kernel_tests/sparse_tensors_map_ops_test.py
+++ b/tensorflow/python/kernel_tests/sparse_tensors_map_ops_test.py
@@ -27,6 +27,7 @@ from tensorflow.python.framework import sparse_tensor as sparse_tensor_lib
 from tensorflow.python.ops import array_ops
 from tensorflow.python.ops import sparse_ops
 from tensorflow.python.ops import variables
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test
 
 # pylint: disable=protected-access
@@ -192,7 +193,7 @@ class BenchmarkSparseTensorsMapVsSerialization(test.Benchmark):
         sorted(zip(indices_batch, indices_value)), dtype=np.int64)
     values = ["feature_value_for_embedding_lookup"] * num_elements
     shape = np.asarray([batch_size, num_elements], dtype=np.int64)
-    with session.Session() as sess:
+    with session.Session(config=benchmark.benchmark_config()) as sess:
       with ops.device("/cpu:0"):
         indices = variables.Variable(indices)
         values = variables.Variable(values)
diff --git a/tensorflow/python/kernel_tests/where_op_test.py b/tensorflow/python/kernel_tests/where_op_test.py
index 29fb002ef4..04ac589432 100644
--- a/tensorflow/python/kernel_tests/where_op_test.py
+++ b/tensorflow/python/kernel_tests/where_op_test.py
@@ -30,6 +30,7 @@ from tensorflow.python.framework import ops
 from tensorflow.python.ops import array_ops
 from tensorflow.python.ops import random_ops
 from tensorflow.python.ops import resource_variable_ops
+from tensorflow.python.platform import benchmark
 from tensorflow.python.platform import test
 
 
@@ -160,7 +161,7 @@ class WhereBenchmark(test.Benchmark):
           x = random_ops.random_uniform((m, n), dtype=dtypes.float32) <= p
           v = resource_variable_ops.ResourceVariable(x)
           op = array_ops.where(v)
-        with session.Session() as sess:
+        with session.Session(config=benchmark.benchmark_config()) as sess:
           v.initializer.run()
           r = self.run_op_benchmark(sess, op, min_iters=100, name=name)
           gb_processed_input = m * n / 1.0e9
@@ -186,7 +187,7 @@ class WhereBenchmark(test.Benchmark):
           y = resource_variable_ops.ResourceVariable(y_gen)
           c = resource_variable_ops.ResourceVariable(c_gen)
           op = array_ops.where(c, x, y)
-        with session.Session() as sess:
+        with session.Session(config=benchmark.benchmark_config()) as sess:
           x.initializer.run()
           y.initializer.run()
           c.initializer.run()
diff --git a/tensorflow/python/ops/image_ops_test.py b/tensorflow/python/ops/image_ops_test.py
index 35fdee4fad..ff86df6346 100644
--- a/tensorflow/python/ops/image_ops_test.py
+++ b/tensorflow/python/ops/image_ops_test.py
@@ -602,20 +602,19 @@ class AdjustHueBenchmark(test.Benchmark):
     if cpu_count is not None:
       config.inter_op_parallelism_threads = 1
       config.intra_op_parallelism_threads = cpu_count
-    with session.Session("", graph=ops.Graph(), config=config) as sess:
-      with ops.device(device):
-        inputs = variables.Variable(
-            random_ops.random_uniform(image_shape, dtype=dtypes.float32) * 255,
-            trainable=False,
-            dtype=dtypes.float32)
-        delta = constant_op.constant(0.1, dtype=dtypes.float32)
-        outputs = image_ops.adjust_hue(inputs, delta)
-        run_op = control_flow_ops.group(outputs)
-        sess.run(variables.global_variables_initializer())
-        for i in xrange(warmup_rounds + benchmark_rounds):
-          if i == warmup_rounds:
-            start = time.time()
-          sess.run(run_op)
+    with self.benchmark_session(config=config, device=device) as sess:
+      inputs = variables.Variable(
+          random_ops.random_uniform(image_shape, dtype=dtypes.float32) * 255,
+          trainable=False,
+          dtype=dtypes.float32)
+      delta = constant_op.constant(0.1, dtype=dtypes.float32)
+      outputs = image_ops.adjust_hue(inputs, delta)
+      run_op = control_flow_ops.group(outputs)
+      sess.run(variables.global_variables_initializer())
+      for i in xrange(warmup_rounds + benchmark_rounds):
+        if i == warmup_rounds:
+          start = time.time()
+        sess.run(run_op)
     end = time.time()
     step_time = (end - start) / benchmark_rounds
     tag = device + "_%s" % (cpu_count if cpu_count is not None else "_all")
@@ -646,21 +645,20 @@ class AdjustSaturationBenchmark(test.Benchmark):
     if cpu_count is not None:
       config.inter_op_parallelism_threads = 1
       config.intra_op_parallelism_threads = cpu_count
-    with session.Session("", graph=ops.Graph(), config=config) as sess:
-      with ops.device(device):
-        inputs = variables.Variable(
-            random_ops.random_uniform(image_shape, dtype=dtypes.float32) * 255,
-            trainable=False,
-            dtype=dtypes.float32)
-        delta = constant_op.constant(0.1, dtype=dtypes.float32)
-        outputs = image_ops.adjust_saturation(inputs, delta)
-        run_op = control_flow_ops.group(outputs)
-        sess.run(variables.global_variables_initializer())
-        for _ in xrange(warmup_rounds):
-          sess.run(run_op)
-        start = time.time()
-        for _ in xrange(benchmark_rounds):
-          sess.run(run_op)
+    with self.benchmark_session(config=config, device=device) as sess:
+      inputs = variables.Variable(
+          random_ops.random_uniform(image_shape, dtype=dtypes.float32) * 255,
+          trainable=False,
+          dtype=dtypes.float32)
+      delta = constant_op.constant(0.1, dtype=dtypes.float32)
+      outputs = image_ops.adjust_saturation(inputs, delta)
+      run_op = control_flow_ops.group(outputs)
+      sess.run(variables.global_variables_initializer())
+      for _ in xrange(warmup_rounds):
+        sess.run(run_op)
+      start = time.time()
+      for _ in xrange(benchmark_rounds):
+        sess.run(run_op)
     end = time.time()
     step_time = (end - start) / benchmark_rounds
     tag = device + "_%s" % (cpu_count if cpu_count is not None else "_all")
@@ -699,7 +697,7 @@ class ResizeBilinearBenchmark(test.Benchmark):
         deps = [resize_op]
       benchmark_op = control_flow_ops.group(*deps)
 
-    with session.Session() as sess:
+    with self.benchmark_session() as sess:
       sess.run(variables.global_variables_initializer())
       results = self.run_op_benchmark(
           sess,
@@ -747,7 +745,7 @@ class ResizeBicubicBenchmark(test.Benchmark):
         deps = [resize_op]
       benchmark_op = control_flow_ops.group(*deps)
 
-    with session.Session() as sess:
+    with self.benchmark_session() as sess:
       sess.run(variables.global_variables_initializer())
       results = self.run_op_benchmark(
           sess,
@@ -804,7 +802,7 @@ class ResizeAreaBenchmark(test.Benchmark):
         deps = [resize_op]
       benchmark_op = control_flow_ops.group(*deps)
 
-    with session.Session() as sess:
+    with self.benchmark_session() as sess:
       sess.run(variables.global_variables_initializer())
       results = self.run_op_benchmark(
           sess,
diff --git a/tensorflow/python/platform/benchmark.py b/tensorflow/python/platform/benchmark.py
index fa17b17d10..4f7abb311a 100644
--- a/tensorflow/python/platform/benchmark.py
+++ b/tensorflow/python/platform/benchmark.py
@@ -27,6 +27,7 @@ import time
 import six
 
 from tensorflow.core.protobuf import config_pb2
+from tensorflow.core.protobuf import rewriter_config_pb2
 from tensorflow.core.util import test_log_pb2
 from tensorflow.python.client import timeline
 from tensorflow.python.platform import app
@@ -182,6 +183,19 @@ class Benchmark(six.with_metaclass(_BenchmarkRegistrar, object)):
         throughput=throughput, extras=extras)
 
 
+@tf_export("test.benchmark_config")
+def benchmark_config():
+  """Returns a tf.ConfigProto for disabling the dependency optimizer.
+
+    Returns:
+      A TensorFlow ConfigProto object.
+  """
+  config = config_pb2.ConfigProto()
+  config.graph_options.rewrite_options.dependency_optimization = (
+      rewriter_config_pb2.RewriterConfig.OFF)
+  return config
+
+
 @tf_export("test.Benchmark")
 class TensorFlowBenchmark(Benchmark):
   """Abstract class that provides helpers for TensorFlow benchmarks."""
diff --git a/tensorflow/tools/api/golden/v1/tensorflow.test.pbtxt b/tensorflow/tools/api/golden/v1/tensorflow.test.pbtxt
index abe9b068ae..984c584c9e 100644
--- a/tensorflow/tools/api/golden/v1/tensorflow.test.pbtxt
+++ b/tensorflow/tools/api/golden/v1/tensorflow.test.pbtxt
@@ -21,6 +21,10 @@ tf_module {
     argspec: "args=[\'actual\', \'expected\', \'checkpoint_v2\'], varargs=None, keywords=None, defaults=[\'False\'], "
   }
   member_method {
+    name: "benchmark_config"
+    argspec: "args=[], varargs=None, keywords=None, defaults=None"
+  }
+  member_method {
     name: "compute_gradient"
     argspec: "args=[\'x\', \'x_shape\', \'y\', \'y_shape\', \'x_init_value\', \'delta\', \'init_targets\', \'extra_feed_dict\'], varargs=None, keywords=None, defaults=[\'None\', \'0.001\', \'None\', \'None\'], "
   }
diff --git a/tensorflow/tools/api/golden/v2/tensorflow.test.pbtxt b/tensorflow/tools/api/golden/v2/tensorflow.test.pbtxt
index abe9b068ae..984c584c9e 100644
--- a/tensorflow/tools/api/golden/v2/tensorflow.test.pbtxt
+++ b/tensorflow/tools/api/golden/v2/tensorflow.test.pbtxt
@@ -21,6 +21,10 @@ tf_module {
     argspec: "args=[\'actual\', \'expected\', \'checkpoint_v2\'], varargs=None, keywords=None, defaults=[\'False\'], "
   }
   member_method {
+    name: "benchmark_config"
+    argspec: "args=[], varargs=None, keywords=None, defaults=None"
+  }
+  member_method {
     name: "compute_gradient"
     argspec: "args=[\'x\', \'x_shape\', \'y\', \'y_shape\', \'x_init_value\', \'delta\', \'init_targets\', \'extra_feed_dict\'], varargs=None, keywords=None, defaults=[\'None\', \'0.001\', \'None\', \'None\'], "
   }