EXSWHTEC-273 - Implement tests for warp shfl_xor and shfl functions #194

Change-Id: I8a87044ff465b0bb39f87faedc995d5052b8205f

catch/include/cpu_grid.h

@@ -78,6 +78,7 @@ struct CPUGrid {
   unsigned int thread_count_;
 };
 
+/* Generate dimensions for 1D, 2D and 3D blocks of threads */
 inline dim3 GenerateThreadDimensions() {
   hipDeviceProp_t props;
   HIP_CHECK(hipGetDeviceProperties(&props, 0));
@@ -99,6 +100,7 @@ inline dim3 GenerateThreadDimensions() {
       dim3(props.warpSize + 1, 3, 3));
 }
 
+/* Generate dimensions for 1D, 2D and 3D grids of blocks */
 inline dim3 GenerateBlockDimensions() {
   hipDeviceProp_t props;
   HIP_CHECK(hipGetDeviceProperties(&props, 0));
@@ -116,6 +118,7 @@ inline dim3 GenerateBlockDimensions() {
                        dim3(5, 5, 5));
 }
 
+/* Generate dimensions for 1D, 2D and 3D blocks of threads - reduced set */
 inline dim3 GenerateThreadDimensionsForShuffle() {
   hipDeviceProp_t props;
   HIP_CHECK(hipGetDeviceProperties(&props, 0));
@@ -136,6 +139,7 @@ inline dim3 GenerateThreadDimensionsForShuffle() {
       dim3(props.warpSize + 1, 3, 3));
 }
 
+/* Generate dimensions for 1D, 2D and 3D grids of blocks - reduced set */
 inline dim3 GenerateBlockDimensionsForShuffle() {
   hipDeviceProp_t props;
   HIP_CHECK(hipGetDeviceProperties(&props, 0));