PReLU tests logic moved to prelu_test_util that can be reused among different backends.

Added new PReLU tests in Metal.

PiperOrigin-RevId: 352012792
Change-Id: Idd9c8bfa9989c6df7e5e12ea83e25e721e3f3f2b

tensorflow/lite/delegates/gpu/cl/kernels/BUILD

@@ -409,7 +409,7 @@ cc_test(
         ":cl_test",
         "//tensorflow/lite/delegates/gpu/common:operations",
         "//tensorflow/lite/delegates/gpu/common:status",
-        "//tensorflow/lite/delegates/gpu/common/tasks:prelu",
+        "//tensorflow/lite/delegates/gpu/common/tasks:prelu_test_util",
         "@com_google_googletest//:gtest_main",
     ],
 )

tensorflow/lite/delegates/gpu/cl/kernels/prelu_test.cc

@@ -13,8 +13,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 
-#include "tensorflow/lite/delegates/gpu/common/tasks/prelu.h"
-
 #include <vector>
 
 #include <gmock/gmock.h>
@@ -22,9 +20,7 @@ limitations under the License.
 #include "tensorflow/lite/delegates/gpu/cl/kernels/cl_test.h"
 #include "tensorflow/lite/delegates/gpu/common/operations.h"
 #include "tensorflow/lite/delegates/gpu/common/status.h"
-
-using ::testing::FloatNear;
-using ::testing::Pointwise;
+#include "tensorflow/lite/delegates/gpu/common/tasks/prelu_test_util.h"
 
 namespace tflite {
 namespace gpu {
@@ -32,102 +28,18 @@ namespace cl {
 namespace {
 
 TEST_F(OpenCLOperationTest, PReLUAlpha) {
-  TensorFloat32 src_tensor;
-  src_tensor.shape = BHWC(1, 2, 1, 2);
-  src_tensor.data = {0.0f, -1.0f, -2.0f, 3.0f};
-
-  PReLUAttributes attr;
-  ::tflite::gpu::Tensor<Linear, DataType::FLOAT32> parameters;
-  parameters.shape = Linear(2);
-  parameters.data = {0.5f, -2.0f};
-  attr.alpha = parameters;
-  attr.clip = 0.0;
-
-  for (auto storage : env_.GetSupportedStorages()) {
-    for (auto precision : env_.GetSupportedPrecisions()) {
-      const float eps = precision == CalculationsPrecision::F32 ? 1e-6f : 1e-3f;
-      OperationDef op_def;
-      op_def.precision = precision;
-      auto data_type = DeduceDataTypeFromPrecision(precision);
-      op_def.src_tensors.push_back({data_type, storage, Layout::HWC});
-      op_def.dst_tensors.push_back({data_type, storage, Layout::HWC});
-      TensorFloat32 dst_tensor;
-      GPUOperation operation =
-          CreatePReLU(creation_context_.GetGpuInfo(), op_def, attr);
-      ASSERT_OK(ExecuteGPUOperation(
-          src_tensor, creation_context_,
-          absl::make_unique<GPUOperation>(std::move(operation)),
-          BHWC(1, 2, 1, 2), &dst_tensor));
-      EXPECT_THAT(dst_tensor.data,
-                  Pointwise(FloatNear(eps), {0.0f, 2.0f, -1.0f, 3.0f}));
-    }
-  }
+  auto status = PReLUAlphaTest(&exec_env_);
+  ASSERT_TRUE(status.ok()) << status.error_message();
 }
 
 TEST_F(OpenCLOperationTest, PReLUAlphaClip) {
-  TensorFloat32 src_tensor;
-  src_tensor.shape = BHWC(1, 2, 1, 2);
-  src_tensor.data = {0.0f, -1.0f, -2.0f, 3.0f};
-
-  PReLUAttributes attr;
-  ::tflite::gpu::Tensor<Linear, DataType::FLOAT32> parameters;
-  parameters.shape = Linear(2);
-  parameters.data = {0.5f, -2.0f};
-  attr.alpha = parameters;
-  attr.clip = 0.7f;
-
-  for (auto storage : env_.GetSupportedStorages()) {
-    for (auto precision : env_.GetSupportedPrecisions()) {
-      const float eps = precision == CalculationsPrecision::F32 ? 1e-6f : 1e-3f;
-      OperationDef op_def;
-      op_def.precision = precision;
-      auto data_type = DeduceDataTypeFromPrecision(precision);
-      op_def.src_tensors.push_back({data_type, storage, Layout::HWC});
-      op_def.dst_tensors.push_back({data_type, storage, Layout::HWC});
-      TensorFloat32 dst_tensor;
-      GPUOperation operation =
-          CreatePReLU(creation_context_.GetGpuInfo(), op_def, attr);
-      ASSERT_OK(ExecuteGPUOperation(
-          src_tensor, creation_context_,
-          absl::make_unique<GPUOperation>(std::move(operation)),
-          BHWC(1, 2, 1, 2), &dst_tensor));
-      EXPECT_THAT(dst_tensor.data,
-                  Pointwise(FloatNear(eps), {0.0f, 2.0f, -1.0f, 0.7f}));
-    }
-  }
+  auto status = PReLUAlphaClipTest(&exec_env_);
+  ASSERT_TRUE(status.ok()) << status.error_message();
 }
 
 TEST_F(OpenCLOperationTest, PReLUHWCAlpha) {
-  TensorFloat32 src_tensor;
-  src_tensor.shape = BHWC(1, 2, 1, 2);
-  src_tensor.data = {0.0f, -1.0f, -2.0f, 3.0f};
-
-  PReLUAttributes attr;
-  ::tflite::gpu::Tensor<HWC, DataType::FLOAT32> hwc_tensor;
-  hwc_tensor.shape = HWC(2, 1, 2);
-  hwc_tensor.data = {0.5f, -2.0f, 0.7f, 4.7f};
-  attr.alpha = hwc_tensor;
-  attr.clip = 0.0;
-
-  for (auto storage : env_.GetSupportedStorages()) {
-    for (auto precision : env_.GetSupportedPrecisions()) {
-      const float eps = precision == CalculationsPrecision::F32 ? 1e-6f : 1e-3f;
-      OperationDef op_def;
-      op_def.precision = precision;
-      auto data_type = DeduceDataTypeFromPrecision(precision);
-      op_def.src_tensors.push_back({data_type, storage, Layout::HWC});
-      op_def.dst_tensors.push_back({data_type, storage, Layout::HWC});
-      TensorFloat32 dst_tensor;
-      GPUOperation operation =
-          CreatePReLU(creation_context_.GetGpuInfo(), op_def, attr);
-      ASSERT_OK(ExecuteGPUOperation(
-          src_tensor, creation_context_,
-          absl::make_unique<GPUOperation>(std::move(operation)),
-          BHWC(1, 2, 1, 2), &dst_tensor));
-      EXPECT_THAT(dst_tensor.data,
-                  Pointwise(FloatNear(eps), {0.0f, 2.0f, -1.4f, 3.0f}));
-    }
-  }
+  auto status = PReLUHWCAlphaTest(&exec_env_);
+  ASSERT_TRUE(status.ok()) << status.error_message();
 }
 
 }  // namespace

tensorflow/lite/delegates/gpu/common/tasks/BUILD

@@ -413,6 +413,19 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "prelu_test_util",
+    testonly = 1,
+    srcs = ["prelu_test_util.cc"],
+    hdrs = ["prelu_test_util.h"],
+    deps = [
+        ":prelu",
+        "//tensorflow/lite/delegates/gpu/common:operations",
+        "//tensorflow/lite/delegates/gpu/common:status",
+        "//tensorflow/lite/delegates/gpu/common/task:testing_util",
+    ],
+)
+
 cc_library(
     name = "quantize_and_dequantize",
     srcs = ["quantize_and_dequantize.cc"],

tensorflow/lite/delegates/gpu/common/tasks/prelu_test_util.cc

@@ -0,0 +1,125 @@
+/* Copyright 2021 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#include "tensorflow/lite/delegates/gpu/common/tasks/prelu_test_util.h"
+
+#include <vector>
+
+#include "tensorflow/lite/delegates/gpu/common/operations.h"
+#include "tensorflow/lite/delegates/gpu/common/status.h"
+#include "tensorflow/lite/delegates/gpu/common/task/testing_util.h"
+#include "tensorflow/lite/delegates/gpu/common/tasks/prelu.h"
+
+namespace tflite {
+namespace gpu {
+
+absl::Status PReLUAlphaTest(TestExecutionEnvironment* env) {
+  TensorFloat32 src_tensor;
+  src_tensor.shape = BHWC(1, 2, 1, 2);
+  src_tensor.data = {0.0f, -1.0f, -2.0f, 3.0f};
+
+  PReLUAttributes attr;
+  ::tflite::gpu::Tensor<Linear, DataType::FLOAT32> parameters;
+  parameters.shape = Linear(2);
+  parameters.data = {0.5f, -2.0f};
+  attr.alpha = parameters;
+  attr.clip = 0.0;
+
+  for (auto storage : env->GetSupportedStorages()) {
+    for (auto precision : env->GetSupportedPrecisions()) {
+      const float eps = precision == CalculationsPrecision::F32 ? 1e-6f : 1e-3f;
+      OperationDef op_def;
+      op_def.precision = precision;
+      auto data_type = DeduceDataTypeFromPrecision(precision);
+      op_def.src_tensors.push_back({data_type, storage, Layout::HWC});
+      op_def.dst_tensors.push_back({data_type, storage, Layout::HWC});
+      TensorFloat32 dst_tensor;
+      GPUOperation operation = CreatePReLU(env->GetGpuInfo(), op_def, attr);
+      RETURN_IF_ERROR(env->ExecuteGPUOperation(
+          src_tensor, absl::make_unique<GPUOperation>(std::move(operation)),
+          BHWC(1, 2, 1, 2), &dst_tensor));
+      RETURN_IF_ERROR(
+          PointWiseNear({0.0f, 2.0f, -1.0f, 3.0f}, dst_tensor.data, eps));
+    }
+  }
+  return absl::OkStatus();
+}
+
+absl::Status PReLUAlphaClipTest(TestExecutionEnvironment* env) {
+  TensorFloat32 src_tensor;
+  src_tensor.shape = BHWC(1, 2, 1, 2);
+  src_tensor.data = {0.0f, -1.0f, -2.0f, 3.0f};
+
+  PReLUAttributes attr;
+  ::tflite::gpu::Tensor<Linear, DataType::FLOAT32> parameters;
+  parameters.shape = Linear(2);
+  parameters.data = {0.5f, -2.0f};
+  attr.alpha = parameters;
+  attr.clip = 0.7f;
+
+  for (auto storage : env->GetSupportedStorages()) {
+    for (auto precision : env->GetSupportedPrecisions()) {
+      const float eps = precision == CalculationsPrecision::F32 ? 1e-6f : 1e-3f;
+      OperationDef op_def;
+      op_def.precision = precision;
+      auto data_type = DeduceDataTypeFromPrecision(precision);
+      op_def.src_tensors.push_back({data_type, storage, Layout::HWC});
+      op_def.dst_tensors.push_back({data_type, storage, Layout::HWC});
+      TensorFloat32 dst_tensor;
+      GPUOperation operation = CreatePReLU(env->GetGpuInfo(), op_def, attr);
+      RETURN_IF_ERROR(env->ExecuteGPUOperation(
+          src_tensor, absl::make_unique<GPUOperation>(std::move(operation)),
+          BHWC(1, 2, 1, 2), &dst_tensor));
+      RETURN_IF_ERROR(
+          PointWiseNear({0.0f, 2.0f, -1.0f, 0.7f}, dst_tensor.data, eps));
+    }
+  }
+  return absl::OkStatus();
+}
+
+absl::Status PReLUHWCAlphaTest(TestExecutionEnvironment* env) {
+  TensorFloat32 src_tensor;
+  src_tensor.shape = BHWC(1, 2, 1, 2);
+  src_tensor.data = {0.0f, -1.0f, -2.0f, 3.0f};
+
+  PReLUAttributes attr;
+  ::tflite::gpu::Tensor<HWC, DataType::FLOAT32> hwc_tensor;
+  hwc_tensor.shape = HWC(2, 1, 2);
+  hwc_tensor.data = {0.5f, -2.0f, 0.7f, 4.7f};
+  attr.alpha = hwc_tensor;
+  attr.clip = 0.0;
+
+  for (auto storage : env->GetSupportedStorages()) {
+    for (auto precision : env->GetSupportedPrecisions()) {
+      const float eps = precision == CalculationsPrecision::F32 ? 1e-6f : 1e-3f;
+      OperationDef op_def;
+      op_def.precision = precision;
+      auto data_type = DeduceDataTypeFromPrecision(precision);
+      op_def.src_tensors.push_back({data_type, storage, Layout::HWC});
+      op_def.dst_tensors.push_back({data_type, storage, Layout::HWC});
+      TensorFloat32 dst_tensor;
+      GPUOperation operation = CreatePReLU(env->GetGpuInfo(), op_def, attr);
+      RETURN_IF_ERROR(env->ExecuteGPUOperation(
+          src_tensor, absl::make_unique<GPUOperation>(std::move(operation)),
+          BHWC(1, 2, 1, 2), &dst_tensor));
+      RETURN_IF_ERROR(
+          PointWiseNear({0.0f, 2.0f, -1.4f, 3.0f}, dst_tensor.data, eps));
+    }
+  }
+  return absl::OkStatus();
+}
+
+}  // namespace gpu
+}  // namespace tflite

tensorflow/lite/delegates/gpu/common/tasks/prelu_test_util.h

@@ -0,0 +1,34 @@
+/* Copyright 2021 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#ifndef TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASKS_PRELU_TEST_UTIL_H_
+#define TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASKS_PRELU_TEST_UTIL_H_
+
+#include "tensorflow/lite/delegates/gpu/common/status.h"
+#include "tensorflow/lite/delegates/gpu/common/task/testing_util.h"
+
+namespace tflite {
+namespace gpu {
+
+absl::Status PReLUAlphaTest(TestExecutionEnvironment* env);
+
+absl::Status PReLUAlphaClipTest(TestExecutionEnvironment* env);
+
+absl::Status PReLUHWCAlphaTest(TestExecutionEnvironment* env);
+
+}  // namespace gpu
+}  // namespace tflite
+
+#endif  // TENSORFLOW_LITE_DELEGATES_GPU_COMMON_TASKS_PRELU_TEST_UTIL_H_

tensorflow/lite/delegates/gpu/metal/kernels/BUILD

@@ -459,6 +459,7 @@ objc_library(
     deps = [
         ":prelu",
         ":test_util",
+        "//tensorflow/lite/delegates/gpu/common/tasks:prelu_test_util",
     ],
 )
 
@@ -903,6 +904,7 @@ objc_library(
         "//tensorflow/lite/delegates/gpu/common:types",
         "//tensorflow/lite/delegates/gpu/common:util",
         "//tensorflow/lite/delegates/gpu/common/tasks:add_test_util",
+        "//tensorflow/lite/delegates/gpu/common/tasks:prelu_test_util",
         "//tensorflow/lite/delegates/gpu/common/tasks:quantize_and_dequantize_test_util",
         "//tensorflow/lite/delegates/gpu/common/tasks:relu_test_util",
         "//tensorflow/lite/delegates/gpu/metal:common",

tensorflow/lite/delegates/gpu/metal/kernels/prelu_test.mm

@@ -27,6 +27,7 @@ limitations under the License.
 #include "tensorflow/lite/delegates/gpu/common/util.h"
 #include "tensorflow/lite/delegates/gpu/metal/compute_task_descriptor.h"
 #include "tensorflow/lite/delegates/gpu/metal/kernels/test_util.h"
+#include "tensorflow/lite/delegates/gpu/common/tasks/prelu_test_util.h"
 
 using ::tflite::gpu::BHWC;
 using ::tflite::gpu::DataType;
@@ -42,7 +43,10 @@ using ::tflite::gpu::metal::SingleOpModel;
 @interface PReLUTest : XCTestCase
 @end
 
-@implementation PReLUTest
+@implementation PReLUTest {
+  tflite::gpu::metal::MetalExecutionEnvironment exec_env_;
+}
+
 - (void)setUp {
   [super setUp];
 }
@@ -157,4 +161,19 @@ using ::tflite::gpu::metal::SingleOpModel;
   XCTAssertTrue(status.ok(), @"%s", std::string(status.message()).c_str());
 }
 
+- (void)testPReLUAlpha {
+  auto status = PReLUAlphaTest(&exec_env_);
+  XCTAssertTrue(status.ok(), @"%s", std::string(status.message()).c_str());
+}
+
+- (void)testPReLUAlphaClip {
+  auto status = PReLUAlphaClipTest(&exec_env_);
+  XCTAssertTrue(status.ok(), @"%s", std::string(status.message()).c_str());
+}
+
+- (void)testPReLUHWCAlpha {
+  auto status = PReLUHWCAlphaTest(&exec_env_);
+  XCTAssertTrue(status.ok(), @"%s", std::string(status.message()).c_str());
+}
+
 @end