Integrate SIMDe to support cross-platform SIMD operations.

Add unit test

Author: YiJustin401

.gitignore

@@ -39,6 +39,7 @@ data/
 
 *.pyc
 .clang-*
+.vscode/
 
 # macOS garbages
 .DS_Store

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "rabitqlib/third/simde"]
+	path = rabitqlib/third/simde
+	url = https://github.com/simd-everywhere/simde.git

CMakeLists.txt

@@ -5,11 +5,31 @@ project(RaBitQLib LANGUAGES CXX)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
+include(cmake/cpu_features.cmake)
+
+if (CMAKE_BUILD_TYPE STREQUAL "Debug")
+    message(STATUS "Building in debug mode")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g")
+elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
+    message(STATUS "Building in release mode")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2")
+endif()
 
 include_directories(${PROJECT_SOURCE_DIR}/rabitqlib)
+include_directories(${PROJECT_SOURCE_DIR}/rabitqlib/third/simde)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
-SET(CMAKE_CXX_FLAGS  "-Wall -Ofast -Wextra -lrt -march=native -fpic -fopenmp -ftree-vectorize -fexceptions")
+SET(CMAKE_CXX_FLAGS  "-Wall -Ofast -Wextra -lrt -march=native -fpic -fopenmp -ftree-vectorize -fexceptions -w")
+SET(CMAKE_C_FLAGS  "-Wall -Ofast -Wextra -lrt -march=native -fpic -fopenmp -ftree-vectorize -fexceptions -w")
+
+add_subdirectory(sample)
+
+option(BUILD_TESTS "Build tests" ON)
 
-add_subdirectory(sample)
+if (BUILD_TESTS)
+    add_subdirectory(contrib)
+    add_subdirectory(tests)
+endif()

cmake/cpu_features.cmake

@@ -0,0 +1,54 @@
+# check if the cpu supports avx512
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
+    execute_process(COMMAND lscpu OUTPUT_VARIABLE CPU_INFO)
+    string(REGEX MATCH "avx512f" AVX512_SUPPORT "${CPU_INFO}")
+    if(AVX512_SUPPORT)
+        set(AVX512_SUPPORT ON)
+    endif()
+
+    string(REGEX MATCH "avx2" AVX2_SUPPORT "${CPU_INFO}")
+    if(AVX2_SUPPORT)
+        set(AVX2_SUPPORT ON)
+    endif()
+
+    string(REGEX MATCH "avx" AVX_SUPPORT "${CPU_INFO}")
+    if(AVX_SUPPORT)
+        set(AVX_SUPPORT ON)
+    endif()
+
+    string(REGEX MATCH "sse4_2" SSE4_2_SUPPORT "${CPU_INFO}")
+    if(SSE4_2_SUPPORT)
+        set(SSE4_2_SUPPORT ON)
+    endif()
+
+    string(REGEX MATCH "sse4_1" SSE4_1_SUPPORT "${CPU_INFO}")
+    if(SSE4_1_SUPPORT)
+        set(SSE4_1_SUPPORT ON)
+    endif()
+endif()
+
+
+if(AVX512_SUPPORT)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512f")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx512f")
+endif()
+
+if(AVX2_SUPPORT)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx2")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx2")
+endif()
+
+if(AVX_SUPPORT)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx")
+endif()
+
+if(SSE4_2_SUPPORT)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.2")
+endif()
+
+if(SSE4_1_SUPPORT)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.1")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.1")
+endif()

contrib/CMakeLists.txt

@@ -0,0 +1,6 @@
+if (BUILD_TESTS)
+    add_executable(dataset_example dataset_example.cpp)
+    # target_link_libraries(dataset_example PRIVATE rabitqlib)
+    target_include_directories(dataset_example PRIVATE ${PROJECT_SOURCE_DIR}/contrib)
+    target_include_directories(dataset_example PRIVATE ${PROJECT_SOURCE_DIR}/)
+endif()