chore: import upstream snapshot with attribution

2026-07-13 12:06:04 +08:00
commit 86c9b1c39f
7743 changed files with 3316339 additions and 0 deletions
@@ -0,0 +1,31 @@
+#include "perf_precomp.hpp"
+
+namespace opencv_test
+{
+using namespace perf;
+
+typedef tuple<MatType, int> MatType_Length_t;
+typedef TestBaseWithParam<MatType_Length_t> MatType_Length;
+
+PERF_TEST_P( MatType_Length, dot,
+             testing::Combine(
+                 testing::Values( CV_8UC1, CV_8SC1, CV_16SC1, CV_16UC1, CV_32SC1, CV_32FC1 ),
+                 testing::Values( 32, 64, 128, 256, 512, 1024 )
+                 ))
+{
+    int type = get<0>(GetParam());
+    int size = get<1>(GetParam());
+    Mat a(size, size, type);
+    Mat b(size, size, type);
+
+    declare.in(a, b, WARMUP_RNG);
+    declare.time(100);
+
+    double product;
+
+    TEST_CYCLE_N(1000) product = a.dot(b);
+
+    SANITY_CHECK(product, 1e-6, ERROR_RELATIVE);
+}
+
+} // namespace