feat: add kokkos backend through codegen

charmtyles/backend/charmtyles_base.hpp

@@ -473,7 +473,8 @@ class vector_impl : public CBase_vector_impl
              * TODO: This might fail due to a double free depending on how charm runtime 
              *       destroys the charmArrays. 
              */
-            vec_map[node_id].~View();
+            Kokkos::View<double*> releivingRef;
+            vec_map[node_id] = releivingRef;
         } return;
         case ct::util::Operation::custom_expr:
         {
@@ -889,7 +890,8 @@ class matrix_impl : public CBase_matrix_impl
              * TODO: This might fail due to a double free depending on how charm runtime 
              *       destroys the charmArrays. 
              */
-            mat_map[node_id].~View();
+            Kokkos::View<double**> releivingRef;
+            mat_map[node_id] = releivingRef;
         } return;
         case ct::util::Operation::custom_expr:
         {

setup_gpu.sh

@@ -0,0 +1,26 @@
+if [ -d "./kokkos/install" ]; then
+    echo "Kokkos Found at ${PWD}/kokkos/install"
+else
+    git clone https://github.com/kokkos/kokkos.git
+    cd kokkos
+    rm -rf build
+    mkdir build
+    cd build
+    pwd
+
+    # ensure that you have cmake/3.27.9 cuda/12.4.0 and eigen[for later] loaded
+
+    ## for delta please run these before running the setup script
+    # module load cuda/12.4.0
+    # module load eigen
+    # module load cmake/3.27.9
+
+    ## The best practice is to let cmake autodetect the architecture, please run on a GPU syster or add a srun
+    srun cmake -DBUILD_SHARED_LIBS=ON .. -DKokkos_ENABLE_CUDA=ON
+    pwd
+    make -j${nproc}
+    cd ..
+    mkdir install
+    cmake --install build --prefix install
+    cd ..
+fi