Added SIMD tests

test/CMakeLists.txt

@@ -13,6 +13,7 @@ if(GLM_TEST_ENABLE)
 	add_subdirectory(ext)
 	add_subdirectory(gtc)
 	add_subdirectory(gtx)
+	add_subdirectory(perf)
 endif()
 
 

test/core/CMakeLists.txt

@@ -42,7 +42,3 @@ glmCreateTestGTC(core_setup_force_cxx98)
 glmCreateTestGTC(core_setup_force_size_t_length)
 glmCreateTestGTC(core_setup_message)
 glmCreateTestGTC(core_setup_precision)
-glmCreateTestGTC(core_setup_simd)
-
-
-

test/perf/CMakeLists.txt

@@ -0,0 +1,2 @@
+glmCreateTestGTC(perf_matrix_mul)
+glmCreateTestGTC(perf_matrix_div)

test/perf/perf_matrix_mul.cpp

@@ -0,0 +1,73 @@
+#define GLM_FORCE_INLINE
+#include <glm/ext/matrix_float4x4.hpp>
+#include <glm/ext/matrix_transform.hpp>
+#include <glm/ext/matrix_relational.hpp>
+#include <glm/ext/vector_float4.hpp>
+#if GLM_CONFIG_SIMD == GLM_ENABLE
+#include <glm/gtc/type_aligned.hpp>
+#include <vector>
+#include <chrono>
+#include <cstdio>
+
+template <typename matType>
+static void test_mat_mul_mat(matType const& M, std::vector<matType> const& I, std::vector<matType>& O)
+{
+	for (std::size_t i = 0, n = I.size(); i < n; ++i)
+		O[i] = M * I[i];
+}
+
+template <typename matType>
+static int launch_mat_mul_mat(std::vector<matType>& O, matType const& Transform, matType const& Scale, std::size_t Samples)
+{
+	typedef typename matType::value_type T;
+
+	std::vector<matType> I(Samples);
+	O.resize(Samples);
+
+	for(std::size_t i = 0; i < Samples; ++i)
+		I[i] = Scale * static_cast<T>(i);
+
+	std::chrono::high_resolution_clock::time_point t1 = std::chrono::high_resolution_clock::now();
+	test_mat_mul_mat<matType>(Transform, I, O);
+	std::chrono::high_resolution_clock::time_point t2 = std::chrono::high_resolution_clock::now();
+
+	return static_cast<int>(std::chrono::duration_cast<std::chrono::microseconds>(t2 - t1).count());
+}
+
+static int comp_mat_mul_mat(std::size_t Samples)
+{
+	int Error = 0;
+
+	glm::mat4 const Transform(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16);
+	glm::mat4 const Scale(0.01, 0.02, 0.03, 0.05, 0.01, 0.02, 0.03, 0.05, 0.01, 0.02, 0.03, 0.05, 0.01, 0.02, 0.03, 0.05);
+
+	std::vector<glm::mat4> Mat4SISD;
+	printf("mat4 * mat4 (SISD) duration %d us\n", launch_mat_mul_mat<glm::mat4>(Mat4SISD, Transform, Scale, Samples));
+
+	std::vector<glm::aligned_mat4> Mat4SIMD;
+	printf("mat4 * mat4 (SIMD) duration %d us\n", launch_mat_mul_mat<glm::aligned_mat4>(Mat4SIMD, Transform, Scale, Samples));
+
+	for(std::size_t i = 0; i < Samples; ++i)
+		Error += glm::all(glm::equal(Mat4SISD[i], Mat4SIMD[i], 0.001)) ? 0 : 1;
+
+	return Error;
+}
+
+int main()
+{
+	std::size_t const Samples = 100000;
+
+	int Error = 0;
+	Error += comp_mat_mul_mat(Samples);
+
+	return Error;
+}
+
+#else
+
+int main()
+{
+	return 0;
+}
+
+#endif