adds profile tests

CMakeLists.txt

@@ -88,6 +88,10 @@ if("${BUILD_TESTING}")
         cxx_acceptance_test_dir 
         "${cxx_test_dir}/acceptance_tests/${PROJECT_NAME}"
     )
+    set(
+        cxx_performance_test_dir
+        "${cxx_test_dir}/performance_tests/${PROJECT_NAME}"
+    )
     set(python_test_dir "${CMAKE_CURRENT_LIST_DIR}/tests/python")
     set(python_unit_test_dir "${python_test_dir}/unit_tests")
 
@@ -100,6 +104,13 @@ if("${BUILD_TESTING}")
         DEPENDS Catch2 ${PROJECT_NAME}
     )
 
+    cmaize_add_tests(
+        test_performance_${PROJECT_NAME}
+        SOURCE_DIR "${cxx_performance_test_dir}"
+        INCLUDE_DIRS "${project_src_dir}"
+        DEPENDS Catch2 ${PROJECT_NAME}
+    )
+
     cmaize_add_tests(
         acceptance_test_${PROJECT_NAME}
         SOURCE_DIR "${cxx_acceptance_test_dir}"

tests/cxx/performance_tests/tensorwrapper/contraction.cpp

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2025 NWChemEx-Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "performance_testing.hpp"
+#include <iostream>
+#include <parallelzone/parallelzone.hpp>
+
+using namespace tensorwrapper;
+
+TEST_CASE("Contraction") {
+    Tensor A{1.0, 2.0, 3.0};
+    Tensor B{4.0, 5.0, 6.0};
+    Tensor C;
+
+    auto l = [&A, &B, &C]() {
+        C("") = A("i") * B("i");
+        return C;
+    };
+
+    parallelzone::hardware::CPU cpu;
+    auto [rv, info] = cpu.profile_it(std::move(l));
+
+    std::cout << "Time in ns: " << info.wall_time.count() << std::endl;
+}

tests/cxx/performance_tests/tensorwrapper/performance_testing.hpp

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2025 NWChemEx-Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+#include <catch2/catch_approx.hpp>
+#include <catch2/catch_template_test_macros.hpp>
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/matchers/catch_matchers_floating_point.hpp>
+#include <tensorwrapper/tensorwrapper.hpp>

tests/cxx/performance_tests/tensorwrapper/test_main.cpp

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2024 NWChemEx Community
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define CATCH_CONFIG_RUNNER
+#include <catch2/catch_session.hpp>
+#include <parallelzone/runtime/runtime_view.hpp>
+
+int main(int argc, char* argv[]) {
+    auto rt = parallelzone::runtime::RuntimeView(argc, argv);
+
+    int res = Catch::Session().run(argc, argv);
+
+    return res;
+}