From 3c79893217bc632c9b0efa815091bef3c779490c Mon Sep 17 00:00:00 2001
From: alexander <alexander.efremov@arm.com>
Date: Fri, 26 Mar 2021 21:42:19 +0000
Subject: Opensource ML embedded evaluation kit

Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd
---
 .../use_case/img_class/InferenceTestMobilenetV2.cc | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 tests/use_case/img_class/InferenceTestMobilenetV2.cc

(limited to 'tests/use_case/img_class/InferenceTestMobilenetV2.cc')

diff --git a/tests/use_case/img_class/InferenceTestMobilenetV2.cc b/tests/use_case/img_class/InferenceTestMobilenetV2.cc
new file mode 100644
index 0000000..698382f
--- /dev/null
+++ b/tests/use_case/img_class/InferenceTestMobilenetV2.cc
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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 "hal.h"
+#include "ImageUtils.hpp"
+#include "MobileNetModel.hpp"
+#include "TensorFlowLiteMicro.hpp"
+#include "TestData_img_class.hpp"
+
+#include <catch.hpp>
+
+
+bool RunInference(arm::app::Model& model, const uint8_t imageData[])
+{
+    TfLiteTensor* inputTensor = model.GetInputTensor(0);
+    REQUIRE(inputTensor);
+
+    const size_t copySz = inputTensor->bytes < IFM_DATA_SIZE ?
+                            inputTensor->bytes :
+                            IFM_DATA_SIZE;
+    memcpy(inputTensor->data.data, imageData, copySz);
+
+    if(model.IsDataSigned()){
+        convertImgIoInt8(inputTensor->data.data, copySz);
+    }
+
+    return model.RunInference();
+}
+
+template<typename T>
+void TestInference(int imageIdx, arm::app::Model& model, T tolerance) {
+    auto image = get_ifm_data_array(imageIdx);
+    auto goldenFV = get_ofm_data_array(imageIdx);
+
+    REQUIRE(RunInference(model, image));
+
+    TfLiteTensor* outputTensor = model.GetOutputTensor(0);
+
+    REQUIRE(outputTensor);
+    REQUIRE(outputTensor->bytes == OFM_DATA_SIZE);
+    auto tensorData = tflite::GetTensorData<T>(outputTensor);
+    REQUIRE(tensorData);
+
+    for (size_t i = 0; i < outputTensor->bytes; i++) {
+        REQUIRE((int)tensorData[i] == Approx((int)((T)goldenFV[i])).epsilon(tolerance));
+    }
+}
+
+
+TEST_CASE("Running inference with TensorFlow Lite Micro and MobileNeV2 Uint8", "[MobileNetV2]")
+{
+    SECTION("Executing inferences sequentially")
+    {
+        arm::app::MobileNetModel model{};
+
+        REQUIRE_FALSE(model.IsInited());
+        REQUIRE(model.Init());
+        REQUIRE(model.IsInited());
+
+        for (uint32_t i = 0 ; i < NUMBER_OF_FM_FILES; ++i) {
+            TestInference<uint8_t>(i, model, 1);
+        }
+    }
+
+    for (uint32_t i = 0 ; i < NUMBER_OF_FM_FILES; ++i) {
+        DYNAMIC_SECTION("Executing inference with re-init")
+        {
+            arm::app::MobileNetModel model{};
+
+            REQUIRE_FALSE(model.IsInited());
+            REQUIRE(model.Init());
+            REQUIRE(model.IsInited());
+
+            TestInference<uint8_t>(i, model, 1);
+        }
+    }
+}
-- 
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