Global CMake for tutorials

.gitignore

@@ -0,0 +1,8 @@
+Exercises/dep
+*.o
+*.host
+*.cuda
+KokkosCore_config.h
+KokkosCore_config.tmp
+*.a
+

CMakeLists.txt

@@ -0,0 +1,36 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorials)
+
+# These directories follow IntroFull order of introduction
+
+add_subdirectory(Exercises/01)
+add_subdirectory(Exercises/02)
+add_subdirectory(Exercises/03)
+add_subdirectory(Exercises/04)
+
+add_subdirectory(Exercises/dualview)
+add_subdirectory(Exercises/mdrange)
+add_subdirectory(Exercises/subview)
+add_subdirectory(Exercises/scatter_view)
+add_subdirectory(Exercises/team_policy)
+add_subdirectory(Exercises/team_vector_loop)
+add_subdirectory(Exercises/team_scratch_memory)
+add_subdirectory(Exercises/simd)
+# FIXME update the code
+# add_subdirectory(Exercises/simd_warp)
+
+add_subdirectory(Exercises/advanced_reductions)
+add_subdirectory(Exercises/instances)
+add_subdirectory(Exercises/multi_gpu_cuda)
+add_subdirectory(Exercises/parallel_scan)
+add_subdirectory(Exercises/random_number)
+add_subdirectory(Exercises/tools_minimd)
+add_subdirectory(Exercises/unique_token)
+add_subdirectory(Exercises/unordered_map)
+add_subdirectory(Exercises/virtualfunction)
+
+# Not done yet
+# TODO, require Kokkos Kernels
+# add_subdirectory(Exercises/kokkoskernels)
+# require remote spaces
+# add_subdirectory(Exercises/vectorshift)

Exercises/01/Begin/CMakeLists.txt

@@ -1,7 +1,10 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial01)
-include(../../common.cmake)
+
+# Add a custom module path for find_package(Kokkos)
+include(../../SetUpKokkos.cmake)
+
+KokkosTutorials_WarnGPU()
 
 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 +1,10 @@
 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(Kokkos)
+include(../../SetUpKokkos.cmake)
 
+KokkosTutorials_WarnGPU()
 
+add_executable(01_Solution exercise_1_solution.cpp)
+target_link_libraries(01_Solution Kokkos::kokkos)

Exercises/02/Begin/CMakeLists.txt

@@ -1,8 +1,10 @@
 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(Kokkos)
+include(../../SetUpKokkos.cmake)
 
+KokkosTutorials_WarnGPU()
 
+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 +1,10 @@
 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(Kokkos)
+include(../../SetUpKokkos.cmake)
 
+KokkosTutorials_WarnGPU()
 
+add_executable(02_Solution exercise_2_solution.cpp)
+target_link_libraries(02_Solution Kokkos::kokkos)

Exercises/03/Begin/CMakeLists.txt

@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial03)
-include(../../common.cmake)
+
+# Add a custom module path for find_package(Kokkos)
+include(../../SetUpKokkos.cmake)
 
 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 +1,8 @@
 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(Kokkos)
+include(../../SetUpKokkos.cmake)
 
+add_executable(03_Solution exercise_3_solution.cpp)
+target_link_libraries(03_Solution Kokkos::kokkos)

Exercises/04/Begin/CMakeLists.txt

@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorial04)
-include(../../common.cmake)
+
+# Add a custom module path for find_package(Kokkos)
+include(../../SetUpKokkos.cmake)
 
 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 +1,8 @@
 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(Kokkos)
+include(../../SetUpKokkos.cmake)
 
+add_executable(04_Solution exercise_4_solution.cpp)
+target_link_libraries(04_Solution Kokkos::kokkos)

Exercises/SetUpKokkos.cmake

@@ -0,0 +1,51 @@
+# Convenience macro to warn the user if a GPU backend is enabled
+macro(KokkosTutorials_WarnGPU)
+    if (Kokkos_ENABLE_CUDA OR Kokkos_ENABLE_HIP OR Kokkos_ENABLE_SYCL OR Kokkos_ENABLE_OPENMPTARGET OR Kokkos_ENABLE_HPX)
+        message(WARNING "cmake"
+                "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 ()
+endmacro()
+
+# 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 ()
+
+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 ()
+
+# Where to find Kokkos' source code. This might be set by the user.
+# In order to automatically share the download between exercises when they are compiled individually,
+# the default directory is inside the source tree.
+# This might break if the default in source directory is called from multiple cmake instances at the same time.
+
+set(KokkosTutorials_KOKKOS_SOURCE_DIR "${CMAKE_CURRENT_LIST_DIR}/dep/kokkos" CACHE PATH "Where Kokkos sources are located")
+
+find_package(Kokkos QUIET)
+
+if (Kokkos_FOUND)
+    message(STATUS "Found Kokkos: ${Kokkos_DIR} (version \"${Kokkos_VERSION}\")")
+else ()
+    if (EXISTS ${KokkosTutorials_KOKKOS_SOURCE_DIR})
+        message(STATUS "Using Kokkos from ${KokkosTutorials_KOKKOS_SOURCE_DIR}")
+        add_subdirectory(${KokkosTutorials_KOKKOS_SOURCE_DIR} Kokkos)
+    else ()
+        message(STATUS "Downloading Kokkos to ${KokkosTutorials_KOKKOS_SOURCE_DIR}")
+        include(FetchContent)
+        FetchContent_Declare(
+                Kokkos
+                URL      https://github.com/kokkos/kokkos/releases/download/4.6.02/kokkos-4.6.02.tar.gz
+                URL_HASH SHA256=baf1ebbe67abe2bbb8bb6aed81b4247d53ae98ab8475e516d9c87e87fa2422ce
+                SOURCE_DIR ${KokkosTutorials_KOKKOS_SOURCE_DIR}
+                DOWNLOAD_EXTRACT_TIMESTAMP ON
+        )
+        FetchContent_MakeAvailable(Kokkos)
+    endif ()
+endif ()

Exercises/advanced_reductions/Begin/CMakeLists.txt

@@ -1,7 +1,8 @@
 cmake_minimum_required(VERSION 3.16)
-project(KokkosTutorial01)
-include(../../common.cmake)
+project(KokkosTutorialAdvancedReductions)
+
+# Add a custom module path for find_package(Kokkos)
+include(../../SetUpKokkos.cmake)
 
 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 +1,8 @@
 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(Kokkos)
+include(../../SetUpKokkos.cmake)
 
+add_executable(AdvancedReductions_Solution advanced_reductions.cpp)
+target_link_libraries(AdvancedReductions_Solution Kokkos::kokkos)

Exercises/dualview/Begin/CMakeLists.txt

@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorialDualView)
-include(../../common.cmake)
+
+# Add a custom module path for find_package(Kokkos)
+include(../../SetUpKokkos.cmake)
 
 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 +1,8 @@
 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(Kokkos)
+include(../../SetUpKokkos.cmake)
 
+add_executable(dualview_Solution dual_view_exercise.cpp)
+target_link_libraries(dualview_Solution Kokkos::kokkos)

Exercises/instances/Begin/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorialInstances)
+
+# Add a custom module path for find_package(Kokkos)
+include(../../SetUpKokkos.cmake)
+
+add_executable(Instances_exercise instances_begin.cpp)
+target_link_libraries(Instances_exercise Kokkos::kokkos)

Exercises/instances/Begin/instances_begin.cpp

@@ -137,4 +137,3 @@ int main( int argc, char* argv[] )
 
   return 0;
 }
-

Exercises/instances/CMakeLists.txt

@@ -1 +1,5 @@
-#Todo: Add CMake build 
+cmake_minimum_required(VERSION 3.16)
+project(KokkosInstances)
+
+add_subdirectory(Begin)
+add_subdirectory(Solution)

Exercises/instances/Solution/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.16)
+project(KokkosTutorialInstances)
+
+# Add a custom module path for find_package(Kokkos)
+include(../../SetUpKokkos.cmake)
+
+add_executable(Instances_solution instances_solution.cpp)
+target_link_libraries(Instances_solution Kokkos::kokkos)

Exercises/instances/Solution/instances_solution.cpp

@@ -126,4 +126,3 @@ int main( int argc, char* argv[] )
 
   return 0;
 }
-

Exercises/mdrange/Begin/CMakeLists.txt

@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorialMdRange)
-include(../../common.cmake)
+
+# Add a custom module path for find_package(Kokkos)
+include(../../SetUpKokkos.cmake)
 
 add_executable(mdrange_exercise exercise_mdrange_begin.cpp)
 target_link_libraries(mdrange_exercise Kokkos::kokkos)
-
-

Exercises/mdrange/CMakeLists.txt

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

Exercises/mdrange/Solution/CMakeLists.txt

@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 3.16)
 project(KokkosTutorialMdRange)
-include(../../common.cmake)
-
-add_executable(mdrange_exercise exercise_mdrange_solution.cpp)
-target_link_libraries(mdrange_exercise Kokkos::kokkos)
 
+# Add a custom module path for find_package(Kokkos)
+include(../../SetUpKokkos.cmake)
 
+add_executable(mdrange_Solution exercise_mdrange_solution.cpp)
+target_link_libraries(mdrange_Solution Kokkos::kokkos)