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Refactor NSS and DNSS implementations for improved readability and modularity #3

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Refactor NSS and DNSS implementations for improved readability and modularity #3

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2 changes: 2 additions & 0 deletions .gitignore
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build/
build-cuda/
21 changes: 21 additions & 0 deletions CMakeLists.txt
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cmake_minimum_required(VERSION 3.20)

project(DNSS LANGUAGES CXX)

option(DNSS_ENABLE_CUDA "Enable CUDA acceleration for DNSS rotational feature computation" OFF)

add_library(dnss NSS.cpp NSS.h)
target_include_directories(dnss PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
target_compile_features(dnss PUBLIC cxx_std_17)

if(DNSS_ENABLE_CUDA)
enable_language(CUDA)
find_package(CUDAToolkit REQUIRED)
if(NOT CMAKE_CUDA_ARCHITECTURES)
set(CMAKE_CUDA_ARCHITECTURES native)
endif()
target_sources(dnss PRIVATE dnss_cuda.cu)
target_compile_definitions(dnss PRIVATE DNSS_HAS_CUDA=1)
target_link_libraries(dnss PUBLIC CUDA::cudart)
set_target_properties(dnss PROPERTIES CUDA_SEPARABLE_COMPILATION ON CUDA_RESOLVE_DEVICE_SYMBOLS ON)
endif()
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