cfd was segfaulting due to vectorization and insufficient alignment

juno_samples/rodinia/cfd/src/main.rs

@@ -246,7 +246,7 @@ fn test_euler() {
         CFDInputs {
             data_file: "data/fvcorr.domn.097K".to_string(),
             iterations: 1,
-            block_size: 1,
+            block_size: 4,
             pre_euler: false,
         }
     );
@@ -258,7 +258,7 @@ fn test_pre_euler() {
         CFDInputs {
             data_file: "data/fvcorr.domn.097K".to_string(),
             iterations: 1,
-            block_size: 1,
+            block_size: 4,
             pre_euler: true,
         }
     );