add gpu to avx512 (facebookresearch#3210)

Summary:
Pull Request resolved: facebookresearch#3210

Adds support for GPUs to the AVX512 binaries

Reviewed By: mlomeli1

Differential Revision: D52874274

fbshipit-source-id: 6b10311f03007c47fe0d7690193591a393942bad

faiss/gpu/CMakeLists.txt

@@ -242,17 +242,19 @@ if(FAISS_ENABLE_RAFT)
           impl/RaftFlatIndex.cuh)
   list(APPEND FAISS_GPU_SRC
           impl/RaftFlatIndex.cu
-	  impl/RaftIVFFlat.cu)
+          impl/RaftIVFFlat.cu)
 
   target_compile_definitions(faiss PUBLIC USE_NVIDIA_RAFT=1)
   target_compile_definitions(faiss_avx2 PUBLIC USE_NVIDIA_RAFT=1)
+  target_compile_definitions(faiss_avx512 PUBLIC USE_NVIDIA_RAFT=1)
 endif()
 
 # Export FAISS_GPU_HEADERS variable to parent scope.
 set(FAISS_GPU_HEADERS ${FAISS_GPU_HEADERS} PARENT_SCOPE)
 
 target_sources(faiss PRIVATE ${FAISS_GPU_SRC})
 target_sources(faiss_avx2 PRIVATE ${FAISS_GPU_SRC})
+target_sources(faiss_avx512 PRIVATE ${FAISS_GPU_SRC})
 
 foreach(header ${FAISS_GPU_HEADERS})
   get_filename_component(dir ${header} DIRECTORY )
@@ -276,9 +278,12 @@ __nv_relfatbin : { *(__nv_relfatbin) }
 )
 target_link_options(faiss PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/fatbin.ld")
 target_link_options(faiss_avx2 PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/fatbin.ld")
+target_link_options(faiss_avx512 PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/fatbin.ld")
 
 find_package(CUDAToolkit REQUIRED)
 target_link_libraries(faiss PRIVATE CUDA::cudart CUDA::cublas $<$<BOOL:${FAISS_ENABLE_RAFT}>:raft::raft> $<$<BOOL:${FAISS_ENABLE_RAFT}>:raft::compiled> $<$<BOOL:${FAISS_ENABLE_RAFT}>:nvidia::cutlass::cutlass>)
 target_link_libraries(faiss_avx2 PRIVATE CUDA::cudart CUDA::cublas $<$<BOOL:${FAISS_ENABLE_RAFT}>:raft::raft> $<$<BOOL:${FAISS_ENABLE_RAFT}>:raft::compiled>  $<$<BOOL:${FAISS_ENABLE_RAFT}>:nvidia::cutlass::cutlass>)
+target_link_libraries(faiss_avx512 PRIVATE CUDA::cudart CUDA::cublas $<$<BOOL:${FAISS_ENABLE_RAFT}>:raft::raft> $<$<BOOL:${FAISS_ENABLE_RAFT}>:raft::compiled>  $<$<BOOL:${FAISS_ENABLE_RAFT}>:nvidia::cutlass::cutlass>)
 target_compile_options(faiss PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:-Xfatbin=-compress-all --expt-extended-lambda --expt-relaxed-constexpr>)
 target_compile_options(faiss_avx2 PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:-Xfatbin=-compress-all --expt-extended-lambda --expt-relaxed-constexpr>)
+target_compile_options(faiss_avx512 PRIVATE $<$<COMPILE_LANGUAGE:CUDA>:-Xfatbin=-compress-all --expt-extended-lambda --expt-relaxed-constexpr>)