Merge pull request #2110 from hmax:master

modules/core/perf/perf_arithm.cpp

@@ -202,3 +202,43 @@ PERF_TEST_P(Size_MatType, subtractScalar, TYPICAL_MATS_CORE_ARITHM)
 
     SANITY_CHECK(c, 1e-8);
 }
+
+PERF_TEST_P(Size_MatType, multiply, TYPICAL_MATS_CORE_ARITHM)
+{
+    Size sz = get<0>(GetParam());
+    int type = get<1>(GetParam());
+    cv::Mat a(sz, type), b(sz, type), c(sz, type);
+
+    declare.in(a, b, WARMUP_RNG).out(c);
+    if (CV_MAT_DEPTH(type) == CV_32S)
+    {
+        //According to docs, saturation is not applied when result is 32bit integer
+        a /= (2 << 16);
+        b /= (2 << 16);
+    }
+
+    TEST_CYCLE() multiply(a, b, c);
+
+    SANITY_CHECK(c, 1e-8);
+}
+
+PERF_TEST_P(Size_MatType, multiplyScale, TYPICAL_MATS_CORE_ARITHM)
+{
+    Size sz = get<0>(GetParam());
+    int type = get<1>(GetParam());
+    cv::Mat a(sz, type), b(sz, type), c(sz, type);
+    double scale = 0.5;
+
+    declare.in(a, b, WARMUP_RNG).out(c);
+
+    if (CV_MAT_DEPTH(type) == CV_32S)
+    {
+        //According to docs, saturation is not applied when result is 32bit integer
+        a /= (2 << 16);
+        b /= (2 << 16);
+    }
+
+    TEST_CYCLE() multiply(a, b, c, scale);
+
+    SANITY_CHECK(c, 1e-8);
+}