cuTensorNet plugin

CMakeLists.txt

@@ -49,6 +49,8 @@ option(XACC_BUILD_ATOS "Build the Atos QLM plugin" OFF)
 option(XACC_BUILD_QFACTOR "Build the QFactor plugin" OFF)
 option(XACC_BUILD_QSEARCH "Build the QSearch plugin" OFF)
 option(XACC_BUILD_QRACK "Build the Qrack plugin" OFF)
+option(XACC_BUILD_CUTENSORNET "Build the cuTensorNet plugin" OFF)
+
 
 if(XACC_BUILD_ANNEALING)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DANNEALING_ENABLED")
@@ -178,6 +180,17 @@ if(XACC_ENABLE_MPI)
   endif()
 endif()
 
+if(XACC_BUILD_CUTENSORNET)
+  enable_language(CUDA)
+  find_package(CUDAToolkit REQUIRED)
+
+  if(CUDAToolkit_FOUND)
+    message(STATUS "${Green}Found CUDA Toolkit.${ColorReset}")
+  else()
+    message(STATUS "${BoldYellow}CUDA Toolkit not found.${ColorReset}")
+  endif()
+endif()
+
 if (XACC_DEPS_EXTERNAL)
   find_package(Boost COMPONENTS graph)
   find_package(cpr)

quantum/plugins/CMakeLists.txt

@@ -15,6 +15,9 @@ add_subdirectory(algorithms)
 add_subdirectory(xasm)
 add_subdirectory(qpp)
 add_subdirectory(staq)
+if(XACC_BUILD_CUTENSORNET)
+    add_subdirectory(cutensornet)
+endif()
 
 if(XACC_REMOTE_ACCELERATORS)
     add_subdirectory(ionq)

quantum/plugins/cutensornet/CMakeLists.txt

@@ -0,0 +1,74 @@
+set(LIBRARY_NAME xacc-cutensornet)
+
+file(GLOB SRC *.cpp)
+
+usfunctiongetresourcesource(TARGET ${LIBRARY_NAME} OUT SRC)
+usfunctiongeneratebundleinit(TARGET ${LIBRARY_NAME} OUT SRC)
+
+add_library(${LIBRARY_NAME} SHARED ${SRC})
+if(CMAKE_MINOR_VERSION GREATER_EQUAL 24)
+  set_property(TARGET ${LIBRARY_NAME} PROPERTY CUDA_ARCHITECTURES native)
+else()
+  if(CUDA_ARCH STREQUAL "")
+    message(SEND_ERROR "Your version of cmake does not set CUDA ARCHITECTURES automatically. Pass it with the -DCUDA_ARCH flag.")
+  else()
+    set(CMAKE_CUDA_ARCHITECTURES ${CUDA_ARCH})
+  endif()
+endif()
+
+target_include_directories(${LIBRARY_NAME}
+                             PUBLIC .
+                             ${CUDA_TOOLKIT_ROOT}/include)
+
+target_link_directories(${LIBRARY_NAME}
+                          PRIVATE
+                          ${CUTENSOR_LIB}
+                          ${CUDA_TOOLKIT_ROOT}/lib64)
+
+target_link_libraries(${LIBRARY_NAME}
+                        PUBLIC
+                        xacc
+                        xacc-quantum-gate
+                        PRIVATE
+                        cutensornet
+                        cudart)
+
+set(_bundle_name xacc_cutensornet)
+set_target_properties(${LIBRARY_NAME}
+                      PROPERTIES COMPILE_DEFINITIONS
+                                 US_BUNDLE_NAME=${_bundle_name}
+                                 US_BUNDLE_NAME
+                                 ${_bundle_name})
+
+usfunctionembedresources(TARGET
+                         ${LIBRARY_NAME}
+                         WORKING_DIRECTORY
+                         ${CMAKE_CURRENT_SOURCE_DIR}
+                         FILES
+                         manifest.json)
+
+find_package(OpenMP)
+if(OpenMP_CXX_FOUND)
+  target_compile_definitions(${LIBRARY_NAME} PUBLIC WITH_OPENMP_)
+  target_link_libraries(${LIBRARY_NAME} PUBLIC OpenMP::OpenMP_CXX)
+endif()
+
+if(APPLE)
+  set_target_properties(${LIBRARY_NAME}
+                        PROPERTIES INSTALL_RPATH "@loader_path/../lib")
+  set_target_properties(${LIBRARY_NAME}
+                        PROPERTIES LINK_FLAGS "-undefined dynamic_lookup")
+else()
+  set_target_properties(${LIBRARY_NAME}
+                        PROPERTIES INSTALL_RPATH "$ORIGIN/../lib")
+set_target_properties(${LIBRARY_NAME} PROPERTIES
+    BUILD_RPATH "${CUTENSOR_ROOT}/lib/11")              
+  set_target_properties(${LIBRARY_NAME} PROPERTIES LINK_FLAGS "-shared")
+endif()
+
+if(XACC_BUILD_TESTS)
+  add_subdirectory(tests)
+endif()
+
+message(STATUS "Install prefix: ${CMAKE_INSTALL_PREFIX}")
+install(TARGETS ${LIBRARY_NAME} DESTINATION ${CMAKE_INSTALL_PREFIX}/plugins)