Improvements to samples

samples/bwtest/CMakeLists.txt

@@ -5,5 +5,5 @@ find_package(OpenMP)
 find_package(CUDAToolkit)
 
 add_executable(bwtest main.c)
-add_compile_options(-O3)
 target_link_libraries(bwtest MPI::MPI_C OpenMP::OpenMP_C CUDA::cudart_static)
+target_compile_options(bwtest PRIVATE -O3)

samples/bwtest/main.c

@@ -303,6 +303,7 @@ main(void)
 
     PRINT("Block size: %u MiB\n", BLOCK_SIZE / (1024 * 1024));
 
+#if 0
     {
         uint8_t* src = allocHost(BLOCK_SIZE);
         uint8_t* dst = allocHost(BLOCK_SIZE);
@@ -362,7 +363,7 @@ main(void)
         freeDevice(dst);
     }
     PRINT("\n------------------------\n");
-    /*
+#else
     { // Final run for easy identification with the profiler
         uint8_t* src = allocDevice(BLOCK_SIZE);
         uint8_t* dst = allocDevice(BLOCK_SIZE);
@@ -373,7 +374,7 @@ main(void)
         freeDevice(src);
         freeDevice(dst);
     }
-    */
+#endif
 
     MPI_Finalize();
     return EXIT_SUCCESS;