remove unused variables

example/32_batched_gemm_scale_softmax_gemm/batched_multihead_attention_backward_fp16.cpp

@@ -23,8 +23,6 @@ Kernel outputs:
 
 */
 
-#pragma clang diagnostic ignored "-Wunused-variable" // TODO ANT: remove
-
 #define PRINT_HOST 0
 
 #include <iostream>

include/ck/tensor_operation/gpu/grid/gridwise_batched_gemm_softmax_gemm_xdl_cshuffle_v1.hpp

@@ -884,8 +884,7 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
         }
 
         template <typename VGridDesc_N0_O_N1_>
-        __device__ static auto
-        MakeVGridDesc_O0_N_O1(const VGridDesc_N0_O_N1_& v_grid_desc_n0_o_n1)
+        __device__ static auto MakeVGridDesc_O0_N_O1(const VGridDesc_N0_O_N1_& v_grid_desc_n0_o_n1)
         {
             const auto N0 = v_grid_desc_n0_o_n1.GetLength(I0);
             const auto O  = v_grid_desc_n0_o_n1.GetLength(I1);
@@ -936,8 +935,7 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
         }
 
         template <typename KGridDesc_K0_N_K1_>
-        __device__ static auto
-        MakeKGridDesc_N0_K_N1(const KGridDesc_K0_N_K1_& k_grid_desc_k0_n_k1)
+        __device__ static auto MakeKGridDesc_N0_K_N1(const KGridDesc_K0_N_K1_& k_grid_desc_k0_n_k1)
         {
             const auto K_K0 = k_grid_desc_k0_n_k1.GetLength(I0);
             const auto N    = k_grid_desc_k0_n_k1.GetLength(I1);
@@ -961,8 +959,7 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
     {
         // B position
         template <typename QGridDesc_K0_M_K1_>
-        __device__ static auto
-        MakeQGridDesc_M0_K_M1(const QGridDesc_K0_M_K1_& q_grid_desc_k0_m_k1)
+        __device__ static auto MakeQGridDesc_M0_K_M1(const QGridDesc_K0_M_K1_& q_grid_desc_k0_m_k1)
         {
             const auto Q_K0 = q_grid_desc_k0_m_k1.GetLength(I0);
             const auto M    = q_grid_desc_k0_m_k1.GetLength(I1);
@@ -983,8 +980,7 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
 
         // C position
         template <typename KGridDesc_K0_N_K1_>
-        __device__ static auto
-        MakeKGradGridDesc_N_K(const KGridDesc_K0_N_K1_& k_grid_desc_k0_n_k1)
+        __device__ static auto MakeKGradGridDesc_N_K(const KGridDesc_K0_N_K1_& k_grid_desc_k0_n_k1)
         {
             const auto K_K0 = k_grid_desc_k0_n_k1.GetLength(I0);
             const auto N    = k_grid_desc_k0_n_k1.GetLength(I1);
@@ -1202,7 +1198,7 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
         const auto v_grid_desc_o0_n_o1 =
             PGradGemmTile_M_N_O::MakeVGridDesc_O0_N_O1(v_grid_desc_n0_o_n1);
 
-        // dP: Gemm A position blockwise copy
+        // dP: A matrix blockwise copy
         auto pgrad_gemm_tile_ygrad_blockwise_copy =
             typename Gemm0::template ABlockwiseCopy<decltype(ygrad_grid_desc_o0_m_o1)>(
                 ygrad_grid_desc_o0_m_o1,
@@ -1212,7 +1208,7 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
                 make_multi_index(0, 0, 0),
                 tensor_operation::element_wise::PassThrough{});
 
-        // dP: Gemm B position blockwise copy
+        // dP: B matrix blockwise copy
         auto pgrad_gemm_tile_v_blockwise_copy =
             typename Gemm0::template BBlockwiseCopy<decltype(v_grid_desc_o0_n_o1)>(
                 v_grid_desc_o0_n_o1,
@@ -1283,10 +1279,6 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
         //
         // Blockwise softmax
         //
-        auto workspace_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
-            static_cast<FloatGemmAcc*>(p_shared) + SharedMemTrait::reduction_space_offset,
-            SharedMemTrait::reduction_space_size_aligned);
-
         // get acc0 8D thread cluster
         constexpr auto thread_cluster_m0_n0_m1_n1_m2_n2_n3_n4 =
             s_blockwise_gemm.GetCBlockDescriptor_M0_N0_M1_N1_M2_N2_N3_N4().GetLengths() /
@@ -1381,7 +1373,7 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
             Gemm2::b_block_desc_m0_o_m1.GetElementSpaceSize());
 
         // dV: transform input and output tensor descriptors
-        const auto vgrad_grid_desc_n0_o0_n1_o1_n2_o2 =
+        const auto vgrad_grid_desc_n0_o0_n1_o1_n2_o2_o3_o4 =
             Gemm2::MakeCGridDesc_N0_O0_N1_O1_N2_O2_O3_O4(vgrad_grid_desc_n_o);
 
         // dV: A matrix VGPR-to-LDS blockwise copy
@@ -1390,9 +1382,6 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
             Gemm2::MakeAThreadOriginOnBlock_M0_N0_M1_N1_M2_N2_N3_N4(),
             tensor_operation::element_wise::PassThrough{}};
 
-        constexpr auto vgrad_gemm_tile_p_block_slice_window_iterator =
-            typename Gemm2::ASrcBlockSliceWindowIterator{};
-
         // dV: B matrix global-to-LDS blockwise copy
         auto vgrad_gemm_tile_ygrad_blockwise_copy =
             typename Gemm2::template BBlockwiseCopy<decltype(ygrad_grid_desc_m0_o_m1)>(
@@ -1411,9 +1400,6 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
         auto v_slash_k_grad_thread_buf = v_slash_k_grad_blockwise_gemm.GetCThreadBuffer();
 
         // dV: C VGPR-to-global copy
-        const auto vgrad_grid_desc_n0_o0_n1_o1_n2_o2_o3_o4 =
-            Gemm2::MakeCGridDesc_N0_O0_N1_O1_N2_O2_O3_O4(vgrad_grid_desc_n_o);
-
         const auto vgrad_thread_origin_on_grid_n0_o0_n1_o1_n2_o2_o3_o4 =
             Gemm2::GetCThreadOriginOnBlock_N0_O0_N1_O1_N2_O2_O3_O4() +
             make_multi_index(
@@ -1430,6 +1416,8 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
             KGradGemmTile_N_K_M::MakeQGridDesc_M0_K_M1(q_grid_desc_k0_m_k1);
         const auto kgrad_grid_desc_n_k =
             KGradGemmTile_N_K_M::MakeKGradGridDesc_N_K(k_grid_desc_k0_n_k1);
+        const auto kgrad_grid_desc_n0_o0_n1_o1_n2_o2_o3_o4 =
+            Gemm2::MakeCGridDesc_N0_O0_N1_O1_N2_O2_O3_O4(kgrad_grid_desc_n_k);
 
         // dK: A matrix VGPR-to-LDS blockwise copy
         auto kgrad_gemm_tile_sgrad_thread_copy_vgpr_to_lds = typename Gemm2::ABlockwiseCopy{
@@ -1453,9 +1441,6 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
         /* reuse v_slash_k_grad_blockwise_gemm, v_slash_k_grad_thread_buf */
 
         // dK: C VGPR-to-global copy
-        const auto kgrad_grid_desc_n0_o0_n1_o1_n2_o2_o3_o4 =
-            Gemm2::MakeCGridDesc_N0_O0_N1_O1_N2_O2_O3_O4(kgrad_grid_desc_n_k);
-
         const auto kgrad_thread_origin_on_grid_n0_o0_n1_o1_n2_o2_o3_o4 =
             Gemm2::GetCThreadOriginOnBlock_N0_O0_N1_O1_N2_O2_O3_O4() +
             make_multi_index(
@@ -1792,8 +1777,6 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
                 constexpr auto pgrad_thread_idx = pgrad_thread_tile_iterator.GetIndex(i);
                 constexpr auto m =
                     pgrad_thread_idx_to_m_n_adaptor.CalculateBottomIndex(pgrad_thread_idx)[I0];
-                constexpr auto n =
-                    pgrad_thread_idx_to_m_n_adaptor.CalculateBottomIndex(pgrad_thread_idx)[I1];
                 // dS and P has same thread buf layout
                 sgrad_thread_buf(i) = s_slash_p_thread_buf[i] *
                                       (pgrad_thread_buf[i] - y_dot_ygrad_thread_buf[Number<m>{}]);