message: Make use of block-thread loops consistent.
diff: @@ -58,8 +58,8 @@ __global__ void poly_2mm_1(Real_ptr tmp, Real_ptr A, Real_ptr B,
  Real_type alpha,
  Index_type nj, Index_type nk)
  {
  - Index_type i = blockIdx.x;
  - Index_type j = threadIdx.y;
  + Index_type i = blockIdx.y;
  + Index_type j = threadIdx.x;
  POLYBENCH_2MM_BODY1;
  for (Index_type k=0; k < nk; ++k) {
  @@ -72,8 +72,8 @@ __global__ void poly_2mm_2(Real_ptr tmp, Real_ptr C, Real_ptr D,
  Real_type beta,
  Index_type nl, Index_type nj)
  {
  - Index_type i = blockIdx.x;
  - Index_type l = threadIdx.y;
  + Index_type i = blockIdx.y;
  + Index_type l = threadIdx.x;
  POLYBENCH_2MM_BODY4;
  for (Index_type j=0; j < nj; ++j) {
  @@ -99,13 +99,13 @@ void POLYBENCH_2MM::runCudaVariant(VariantID vid)
  startTimer();
  for (RepIndex_type irep = 0; irep < run_reps; ++irep) {
  - dim3 nblocks1(ni, 1, 1);
  - dim3 nthreads_per_block1(1, nj, 1);
  + dim3 nblocks1(1, ni, 1);
  + dim3 nthreads_per_block1(nj, 1, 1);
  poly_2mm_1<<<nblocks1, nthreads_per_block1>>>(tmp, A, B, alpha,
  nj, nk);
  - dim3 nblocks2(ni, 1, 1);
  - dim3 nthreads_per_block2(1, nl, 1);
  + dim3 nblocks2(1, ni, 1);
  + dim3 nthreads_per_block2(nl, 1, 1);
  poly_2mm_2<<<nblocks2, nthreads_per_block2>>>(tmp, C, D, beta,
  nl, nj);
  @@ -123,8 +123,8 @@ void POLYBENCH_2MM::runCudaVariant(VariantID vid)
  using EXEC_POL =
  RAJA::KernelPolicy<
  RAJA::statement::CudaKernelAsync<
  - RAJA::statement::For<0, RAJA::cuda_block_x_loop,
  - RAJA::statement::For<1, RAJA::cuda_thread_y_loop,
  + RAJA::statement::For<0, RAJA::cuda_block_y_loop,
  + RAJA::statement::For<1, RAJA::cuda_thread_x_loop,
  RAJA::statement::Lambda<0>,
  RAJA::statement::For<2, RAJA::seq_exec,
  RAJA::statement::Lambda<1>
  