Add AVX detection support (#132)

This PR adds the AVX detection utilties.

Author: dian-lun-lin

include/svs/lib/avx_detection.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2025 Intel Corporation
+ *
+ * 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
+
+#ifdef __x86_64__
+#include "svs/third-party/eve.h"
+#endif
+
+#include <dlfcn.h>
+
+namespace svs::detail {
+
+inline bool is_avx2_supported() {
+#ifdef __x86_64__
+    return eve::is_supported(eve::avx2);
+#else
+    return false;
+#endif
+}
+
+inline bool is_avx512_supported() {
+#ifdef __x86_64__
+    return eve::is_supported(eve::avx512);
+#else
+    return false;
+#endif
+}
+
+} // namespace svs::detail

include/svs/third-party/eve.h

@@ -16,6 +16,7 @@
 
 #pragma once
 
+#include "eve/detection.hpp"
 #include "eve/module/core.hpp"
 #include "eve/wide.hpp"
 

tests/CMakeLists.txt

@@ -91,6 +91,7 @@ set(TEST_SOURCES
     ${TEST_DIR}/svs/lib/version.cpp
     ${TEST_DIR}/svs/lib/uuid.cpp
     ${TEST_DIR}/svs/lib/concurrency/readwrite_protected.cpp
+    ${TEST_DIR}/svs/lib/avx_detection.cpp
     # Third Party
     ${TEST_DIR}/svs/third-party/fmt.cpp
     ${TEST_DIR}/svs/third-party/toml.cpp

tests/svs/lib/avx_detection.cpp

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2025 Intel Corporation
+ *
+ * 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.
+ */
+
+// header under test
+#include "svs/lib/avx_detection.h"
+
+// catch2
+#include "catch2/catch_test_macros.hpp"
+#include <iostream>
+
+CATCH_TEST_CASE("AVX detection", "[lib][lib-avx-detection]") {
+    std::cout << "Checking AVX availability...\n";
+    std::cout << "AVX 2: " << std::boolalpha << svs::detail::is_avx2_supported() << "\n";
+    std::cout << "AVX 512: " << std::boolalpha << svs::detail::is_avx512_supported()
+              << "\n";
+}