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Integrate SIMDe to support cross-platform SIMD operations. #16

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Integrate SIMDe to support cross-platform SIMD operations. #16

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8a75086
Integrate SIMDe to support cross-platform SIMD operations.
YiJustin401 Jul 3, 2025
b033031
fix cmake flags
Aed-p Sep 30, 2025
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ data/

*.pyc
.clang-*
.vscode/

# macOS garbages
.DS_Store
3 changes: 3 additions & 0 deletions .gitmodules
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@@ -0,0 +1,3 @@
[submodule "rabitqlib/third/simde"]
path = rabitqlib/third/simde
url = https://github.com/simd-everywhere/simde.git
27 changes: 25 additions & 2 deletions CMakeLists.txt
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Expand Up @@ -5,11 +5,34 @@ 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 "${CMAKE_CXX_FLAGS} -g -O0")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0")
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
message(STATUS "Building in release mode")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Ofast")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Ofast")
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 "${CMAKE_CXX_FLAGS} -Wall -Wextra -lrt -march=native -fpic -fopenmp -ftree-vectorize -fexceptions -w")
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -lrt -march=native -fpic -fopenmp -ftree-vectorize -fexceptions -w")

message(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
message(STATUS "CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}")

add_subdirectory(sample)

option(BUILD_TESTS "Build tests" ON)

add_subdirectory(sample)
if (BUILD_TESTS)
add_subdirectory(contrib)
add_subdirectory(tests)
endif()
54 changes: 54 additions & 0 deletions cmake/cpu_features.cmake
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# 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()
6 changes: 6 additions & 0 deletions contrib/CMakeLists.txt
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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()
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