Only ref/serial backend gives correct convergence order

Author: rezgarshakeri

examples/Hdiv-mass/conv_test.sh

@@ -28,6 +28,7 @@ echo "Running convergence test in ${dim}D for Projection problem in H(div) space
 
 declare -A run_flags
     #run_flags[pc_type]=svd
+    run_flags[ceed]=/cpu/self/ref/serial
     if [[ $dim -eq 2 ]];
     then
         run_flags[problem]=mass2d
@@ -68,3 +69,4 @@ for ((res=${test_flags[res_start]}; res<=${test_flags[res_end]}; res+=${test_fla
     i=$((i+1))
 done
 
+python conv_rate.py -f conv_test_result.csv

examples/Hdiv-mass/main.c

@@ -67,8 +67,7 @@ int main(int argc, char **argv) {
   // ---------------------------------------------------------------------------
   // -- Initialize backend
   Ceed ceed;
-  CeedInit("/cpu/self/ref/serial", &ceed);
-  // CeedInit(app_ctx->ceed_resource, &ceed);
+  CeedInit(app_ctx->ceed_resource, &ceed);
 
   // ---------------------------------------------------------------------------
   // Choose the problem from the list of registered problems

examples/Hdiv-mixed/conv_test.sh

@@ -30,6 +30,7 @@ echo "Running convergence test in ${dim}D for Darcy problem";
 
 declare -A run_flags
     run_flags[pc_type]=svd
+    run_flags[ceed]=/cpu/self/ref/serial
     if [[ $dim -eq 2 ]];
     then
         run_flags[problem]=darcy2d
@@ -68,7 +69,8 @@ for ((res=${test_flags[res_start]}; res<=${test_flags[res_end]}; res+=${test_fla
             args="$args -$arg ${run_flags[$arg]}"
         fi
     done
-    ./main -view_solution $args | grep "L2 error of u and p" | awk -v i="$i" -v res="$res" '{ printf "%d,%d,%.5f,%.5f\n", i, res, $8, $9}' >> $file_name
+    ./main $args | grep "L2 error of u and p" | awk -v i="$i" -v res="$res" '{ printf "%d,%d,%.5f,%.5f\n", i, res, $8, $9}' >> $file_name
     i=$((i+1))
 done
 
+python conv_plot.py -f conv_test_result.csv

examples/Hdiv-mixed/main.c

@@ -90,8 +90,7 @@ int main(int argc, char **argv) {
   // ---------------------------------------------------------------------------
   // -- Initialize backend
   Ceed ceed;
-  CeedInit("/cpu/self/ref/serial", &ceed);
-  // CeedInit(app_ctx->ceed_resource, &ceed);
+  CeedInit(app_ctx->ceed_resource, &ceed);
 
   // -- Process general command line options
   // ---------------------------------------------------------------------------