added benchmark

CMakeLists.txt

@@ -6,6 +6,7 @@ include(CMakePackageConfigHelpers)
 
 
 option(OMATH_BUILD_TESTS "Build unit tests" ${PROJECT_IS_TOP_LEVEL})
+option(OMATH_BUILD_BENCHMARK "Build benchmarks" ${PROJECT_IS_TOP_LEVEL})
 option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to treat them as errors" ON)
 option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so or .dll" OFF)
 option(OMATH_USE_AVX2 "Omath will use AVX2 to boost performance" ON)
@@ -103,6 +104,10 @@ if (OMATH_BUILD_TESTS)
     target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_BUILD_TESTS)
 endif ()
 
+if (OMATH_BUILD_BENCHMARK)
+    add_subdirectory(benchmark)
+endif ()
+
 if (OMATH_BUILD_EXAMPLES)
     add_subdirectory(examples)
 endif ()

benchmark/CMakeLists.txt

@@ -0,0 +1,22 @@
+enable_testing()
+
+project(benchmark)
+
+include(GoogleTest)
+
+file(GLOB_RECURSE UNIT_TESTS_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/*.cpp")
+add_executable(${PROJECT_NAME} ${UNIT_TESTS_SOURCES})
+
+set_target_properties(benchmark PROPERTIES
+        ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+        LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+        RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+        UNITY_BUILD ON
+        UNITY_BUILD_BATCH_SIZE 20
+        CXX_STANDARD 23
+        CXX_STANDARD_REQUIRED ON)
+
+
+target_link_libraries(${PROJECT_NAME} PRIVATE gtest gtest_main omath::omath)
+
+gtest_discover_tests(${PROJECT_NAME})

benchmark/benchmark_mat.cpp

@@ -0,0 +1,31 @@
+//
+// Created by Vlad on 9/17/2025.
+//
+#include <gtest/gtest.h>
+#include <omath/omath.hpp>
+#include <chrono>
+#include <print>
+
+using namespace omath;
+TEST(MatPerformanceTest, Mutl)
+{
+    using mat_type = Mat<128, 128, float, MatStoreType::COLUMN_MAJOR>;
+    mat_type a;
+    mat_type b;
+    a.set(3.f);
+    b.set(7.f);
+    constexpr int iters = 1000;
+    float acum_time = 0.f;
+    mat_type c;
+    for (std::size_t i = 0 ; i < iters; i++)
+    {
+        const auto start = std::chrono::high_resolution_clock::now();
+        c = a * b;
+        const auto end = std::chrono::high_resolution_clock::now();
+
+        const auto time = std::chrono::duration_cast<std::chrono::microseconds>(end - start).count();
+
+        acum_time += static_cast<float>(time);
+    }
+    std::print("Elapsed: {}, \n\n\n", acum_time / iters, c);
+}