vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

modules/dnn/perf/perf_utils.cpp

@@ -0,0 +1,72 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+//
+// Copyright (C) 2017, Intel Corporation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+
+#include "perf_precomp.hpp"
+
+namespace opencv_test {
+
+using Utils_blobFromImage = TestBaseWithParam<std::vector<int>>;
+PERF_TEST_P_(Utils_blobFromImage, HWC_TO_NCHW) {
+    std::vector<int> input_shape = GetParam();
+
+    Mat input(input_shape, CV_32FC3);
+    randu(input, -10.0f, 10.f);
+
+    TEST_CYCLE() {
+        Mat blob = blobFromImage(input);
+    }
+
+    SANITY_CHECK_NOTHING();
+}
+
+INSTANTIATE_TEST_CASE_P(/**/, Utils_blobFromImage,
+    Values(std::vector<int>{  32,   32},
+           std::vector<int>{  64,   64},
+           std::vector<int>{ 128,  128},
+           std::vector<int>{ 256,  256},
+           std::vector<int>{ 512,  512},
+           std::vector<int>{1024, 1024},
+           std::vector<int>{2048, 2048})
+);
+
+using Utils_blobFromImages = TestBaseWithParam<std::vector<int>>;
+PERF_TEST_P_(Utils_blobFromImages, HWC_TO_NCHW) {
+    std::vector<int> input_shape = GetParam();
+
+    int batch = input_shape.front();
+    std::vector<int> input_shape_no_batch(input_shape.begin()+1, input_shape.end());
+
+    if (input_shape_no_batch[0]*input_shape_no_batch[1] >= 2048*2048)
+    {
+        applyTestTag( CV_TEST_TAG_MEMORY_2GB);
+    }
+
+    std::vector<Mat> inputs;
+    for (int i = 0; i < batch; i++) {
+        Mat input(input_shape_no_batch, CV_32FC3);
+        randu(input, -10.0f, 10.f);
+        inputs.push_back(input);
+    }
+
+    TEST_CYCLE() {
+        Mat blobs = blobFromImages(inputs);
+    }
+
+    SANITY_CHECK_NOTHING();
+}
+
+INSTANTIATE_TEST_CASE_P(/**/, Utils_blobFromImages,
+    Values(std::vector<int>{16,   32,   32},
+           std::vector<int>{16,   64,   64},
+           std::vector<int>{16,  128,  128},
+           std::vector<int>{16,  256,  256},
+           std::vector<int>{16,  512,  512},
+           std::vector<int>{16, 1024, 1024},
+           std::vector<int>{16, 2048, 2048})
+);
+
+}