Global CMake for tutorials

CMakeLists.txt

@@ -0,0 +1,4 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorials)
+
+add_subdirectory(Exercises)

Exercises/.cmake/FindKokkos.cmake

@@ -0,0 +1,44 @@
+# Early return if Kokkos is already set up
+# We do not use Kokkos_FOUND as it is not globally defined
+if (TARGET Kokkos::kokkos)
+    return()
+endif ()
+
+set(SPACK_CXX $ENV{SPACK_CXX})
+if (SPACK_CXX)
+    message("found spack compiler ${SPACK_CXX}")
+    set(CMAKE_CXX_COMPILER ${SPACK_CXX} CACHE STRING "the C++ compiler" FORCE)
+    set(ENV{CXX} ${SPACK_CXX})
+endif ()
+
+if (NOT CMAKE_BUILD_TYPE)
+    set(default_build_type "RelWithDebInfo")
+    message(STATUS "Setting build type to '${default_build_type}' as none was specified.")
+    set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE STRING
+            "Choose the type of build, options are: Debug, Release, RelWithDebInfo and MinSizeRel."
+            FORCE)
+endif ()
+
+set(Kokkos_COMMON_SOURCE_DIR ${CMAKE_CURRENT_BINARY_DIR}/dep/Kokkos)
+
+if (NOT KokkosTutorials_FORCE_INTERNAL_Kokkos)
+    find_package(Kokkos CONFIG)
+endif ()
+
+if (Kokkos_FOUND)
+    message(STATUS "Found Kokkos: ${Kokkos_DIR} (version \"${Kokkos_VERSION}\")")
+else ()
+    if (EXISTS ${Kokkos_COMMON_SOURCE_DIR})
+        add_subdirectory(${Kokkos_COMMON_SOURCE_DIR} Kokkos)
+    else ()
+        include(FetchContent)
+        FetchContent_Declare(
+                Kokkos
+                GIT_REPOSITORY https://github.com/kokkos/kokkos.git
+                GIT_TAG 4.0.01
+                SOURCE_DIR ${Kokkos_COMMON_SOURCE_DIR}
+        )
+        FetchContent_MakeAvailable(Kokkos)
+        set(Kokkos_FOUND True)
+    endif ()
+endif ()

Exercises/01/Begin/CMakeLists.txt

@@ -1,7 +1,16 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial01)
-include(../../common.cmake)
+
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake)
+
+find_package(Kokkos REQUIRED)
+
+if (Kokkos_ENABLE_CUDA OR Kokkos_ENABLE_HIP OR Kokkos_ENABLE_SYCL OR Kokkos_ENABLE_OPENMPTARGET OR Kokkos_ENABLE_HPX)
+    message(WARNING "${CMAKE_CURRENT_SOURCE_DIR}"
+            "a Kokkos accelerator backend is enabled, it might cause issue with the current program"
+            "Please recompile with only a host backend enabled (e.g. -DKokkos_ENABLE_OPENMP=ON)")
+endif ()
 
 add_executable(01_Exercise exercise_1_begin.cpp)
 target_link_libraries(01_Exercise Kokkos::kokkos)
-

Exercises/01/CMakeLists.txt

@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorial01)
+
+add_subdirectory(Begin)
+add_subdirectory(Solution)

Exercises/01/Solution/CMakeLists.txt

@@ -1,8 +1,16 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial01)
-include(../../common.cmake)
 
-add_executable(01_Exercise exercise_1_solution.cpp)
-target_link_libraries(01_Exercise Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
 
+find_package(Kokkos REQUIRED)
 
+if (Kokkos_ENABLE_CUDA OR Kokkos_ENABLE_HIP OR Kokkos_ENABLE_SYCL OR Kokkos_ENABLE_OPENMPTARGET OR Kokkos_ENABLE_HPX)
+    message(WARNING "${CMAKE_CURRENT_SOURCE_DIR}"
+            "a Kokkos accelerator backend is enabled, it might cause issue with the current program"
+            "Please recompile with only a host backend enabled (e.g. -DKokkos_ENABLE_OPENMP=ON)")
+endif ()
+
+add_executable(01_Solution exercise_1_solution.cpp)
+target_link_libraries(01_Solution Kokkos::kokkos)

Exercises/02/Begin/CMakeLists.txt

@@ -1,8 +1,16 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial02)
-include(../../common.cmake)
 
-add_executable(02_Exercise exercise_2_begin.cpp)
-target_link_libraries(02_Exercise Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
+
+find_package(Kokkos REQUIRED)
 
+if (Kokkos_ENABLE_CUDA OR Kokkos_ENABLE_HIP OR Kokkos_ENABLE_SYCL OR Kokkos_ENABLE_OPENMPTARGET OR Kokkos_ENABLE_HPX)
+    message(WARNING "${CMAKE_CURRENT_SOURCE_DIR}"
+            "A Kokkos accelerator backend is enabled, it might cause issue with the current program"
+            "Please recompile with only a host backend enabled (e.g. -DKokkos_ENABLE_OPENMP=ON)")
+endif ()
 
+add_executable(02_Exercise exercise_2_begin.cpp)
+target_link_libraries(02_Exercise Kokkos::kokkos)

Exercises/02/CMakeLists.txt

@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorial02)
+
+add_subdirectory(Begin)
+add_subdirectory(Solution)

Exercises/02/Solution/CMakeLists.txt

@@ -1,8 +1,16 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial02)
-include(../../common.cmake)
 
-add_executable(02_Exercise exercise_2_solution.cpp)
-target_link_libraries(02_Exercise Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
 
+find_package(Kokkos REQUIRED)
 
+if (Kokkos_ENABLE_CUDA OR Kokkos_ENABLE_HIP OR Kokkos_ENABLE_SYCL OR Kokkos_ENABLE_OPENMPTARGET OR Kokkos_ENABLE_HPX)
+    message(WARNING "${CMAKE_CURRENT_SOURCE_DIR}"
+            "A Kokkos accelerator backend is enabled, it might cause issue with the current program"
+            "Please recompile with only a host backend enabled (e.g. -DKokkos_ENABLE_OPENMP=ON)")
+endif ()
+
+add_executable(02_Solution exercise_2_solution.cpp)
+target_link_libraries(02_Solution Kokkos::kokkos)

Exercises/03/Begin/CMakeLists.txt

@@ -1,8 +1,10 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial03)
-include(../../common.cmake)
 
-add_executable(03_Exercise exercise_3_begin.cpp)
-target_link_libraries(03_Exercise Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
 
+find_package(Kokkos REQUIRED)
 
+add_executable(03_Exercise exercise_3_begin.cpp)
+target_link_libraries(03_Exercise Kokkos::kokkos)

Exercises/03/CMakeLists.txt

@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorial03)
+
+add_subdirectory(Begin)
+add_subdirectory(Solution)

Exercises/03/Solution/CMakeLists.txt

@@ -1,8 +1,10 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial03)
-include(../../common.cmake)
 
-add_executable(03_Exercise exercise_3_solution.cpp)
-target_link_libraries(03_Exercise Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
 
+find_package(Kokkos REQUIRED)
 
+add_executable(03_Solution exercise_3_solution.cpp)
+target_link_libraries(03_Solution Kokkos::kokkos)

Exercises/04/Begin/CMakeLists.txt

@@ -1,8 +1,10 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial04)
-include(../../common.cmake)
 
-add_executable(04_Exercise exercise_4_begin.cpp)
-target_link_libraries(04_Exercise Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
 
+find_package(Kokkos REQUIRED)
 
+add_executable(04_Exercise exercise_4_begin.cpp)
+target_link_libraries(04_Exercise Kokkos::kokkos)

Exercises/04/CMakeLists.txt

@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorial04)
+
+add_subdirectory(Begin)
+add_subdirectory(Solution)

Exercises/04/Solution/CMakeLists.txt

@@ -1,8 +1,10 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial04)
-include(../../common.cmake)
 
-add_executable(04_Exercise exercise_4_solution.cpp)
-target_link_libraries(04_Exercise Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
 
+find_package(Kokkos REQUIRED)
 
+add_executable(04_Solution exercise_4_solution.cpp)
+target_link_libraries(04_Solution Kokkos::kokkos)

Exercises/CMakeLists.txt

@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorialExercices)
+
+# These directories follow IntroFull order of introduction
+
+add_subdirectory(01)
+add_subdirectory(02)
+add_subdirectory(03)
+add_subdirectory(04)
+
+add_subdirectory(dualview)
+add_subdirectory(mdrange)
+add_subdirectory(subview)
+add_subdirectory(scatter_view)
+add_subdirectory(team_policy)
+add_subdirectory(team_vector_loop)
+add_subdirectory(team_scratch_memory)
+add_subdirectory(tasking)
+add_subdirectory(simd)
+# FIXME update the code
+# add_subdirectory(simd_warp)
+
+# These directories are "independent" and  listed in alphabetical order
+
+add_subdirectory(advanced_reductions)
+add_subdirectory(fortran-kokkosinterface)  # TODO, Add a check for fortran
+add_subdirectory(instances)
+add_subdirectory(multi_gpu_cuda)
+add_subdirectory(parallel_scan)
+add_subdirectory(tools_minimd)
+add_subdirectory(random_number)
+add_subdirectory(unique_token)
+add_subdirectory(unordered_map)
+add_subdirectory(virtualfunction)
+
+# Not done yet
+# TODO, require Kokkos Kernels
+# add_subdirectory(kokkoskernels)
+# require remote spaces
+# add_subdirectory(vectorshift)

Exercises/advanced_reductions/Begin/CMakeLists.txt

@@ -1,7 +1,10 @@
 cmake_minimum_required(VERSION 3.16)
-project(KokkosTutorial01)
-include(../../common.cmake)
+project(KokkosTutorialAdvancedReductions)
+
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
+
+find_package(Kokkos REQUIRED)
 
 add_executable(AdvancedReductions advanced_reductions.cpp)
 target_link_libraries(AdvancedReductions Kokkos::kokkos)
-

Exercises/advanced_reductions/Begin/advanced_reductions.cpp

@@ -40,7 +40,8 @@ int main(int argc, char *argv[]) {
         n, KOKKOS_LAMBDA(int i) { view(i) = 1 + i / 10.; });
 
     double result;
-    Kokkos::parallel_reduce(n, GeometricMean{view}, result);
+    // EXERCISE uncomment the following line when GeometricMean is implemented
+    // Kokkos::parallel_reduce(n, GeometricMean{view}, result);
 
     auto host_view =
         Kokkos::create_mirror_view_and_copy(Kokkos::HostSpace{}, view);

Exercises/advanced_reductions/CMakeLists.txt

@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorialAdvancedReductions)
+
+add_subdirectory(Begin)
+add_subdirectory(Solution)

Exercises/advanced_reductions/Solution/CMakeLists.txt

@@ -1,7 +1,10 @@
 cmake_minimum_required(VERSION 3.16)
-project(KokkosTutorial01)
-include(../../common.cmake)
+project(KokkosTutorialAdvancedReductions)
 
-add_executable(AdvancedReductions advanced_reductions.cpp)
-target_link_libraries(AdvancedReductions Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
 
+find_package(Kokkos REQUIRED)
+
+add_executable(AdvancedReductions_Solution advanced_reductions.cpp)
+target_link_libraries(AdvancedReductions_Solution Kokkos::kokkos)

Exercises/dualview/Begin/CMakeLists.txt

@@ -1,8 +1,10 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorialDualView)
-include(../../common.cmake)
 
-add_executable(dualview dual_view_exercise.cpp)
-target_link_libraries(dualview Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
 
+find_package(Kokkos REQUIRED)
 
+add_executable(dualview dual_view_exercise.cpp)
+target_link_libraries(dualview Kokkos::kokkos)

Exercises/dualview/CMakeLists.txt

@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorialDualView)
+
+add_subdirectory(Begin)
+add_subdirectory(Solution)

Exercises/dualview/Solution/CMakeLists.txt

@@ -1,8 +1,10 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorialDualView)
-include(../../common.cmake)
 
-add_executable(dualview dual_view_exercise.cpp)
-target_link_libraries(dualview Kokkos::kokkos)
+# Add a custom module path for find_package
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../.cmake")
 
+find_package(Kokkos REQUIRED)
 
+add_executable(dualview_Solution dual_view_exercise.cpp)
+target_link_libraries(dualview_Solution Kokkos::kokkos)