rename template and remove default template value

example/32_batched_gemm_scale_softmax_gemm/batched_gemm_lower_triangle_scale_softmax_gemm_permute_xdl_fp16.cpp

@@ -118,7 +118,7 @@ using DeviceGemmInstance =
         2,              // CShuffleNXdlPerWavePerShuffle
         S<1, 32, 1, 8>, // CShuffleBlockTransferClusterLengths_MBlock_MPerBlock_NBlock_NPerBlock
         8,              // CShuffleBlockTransferScalarPerVector_NPerBlock
-        true>;          // OnlyLowerTriangle
+        true>;          // MaskOutUpperTriangle
 
 // Ref Gemm0: fp16 in, fp32 out
 using ReferenceGemm0Instance = ck::tensor_operation::host::ReferenceBatchedGemmUpperTriangleMinusInf<ADataType,

example/32_batched_gemm_scale_softmax_gemm/batched_gemm_scale_softmax_gemm_permute_xdl_fp16.cpp

@@ -117,7 +117,8 @@ using DeviceGemmInstance =
         1,              // CShuffleMXdlPerWavePerShuffle
         2,              // CShuffleNXdlPerWavePerShuffle
         S<1, 32, 1, 8>, // CShuffleBlockTransferClusterLengths_MBlock_MPerBlock_NBlock_NPerBlock
-        8>;             // CShuffleBlockTransferScalarPerVector_NPerBlock
+        8,              // CShuffleBlockTransferScalarPerVector_NPerBlock
+        false>;         // MaskOutUpperTriangle
 
 // Ref Gemm0: fp16 in, fp32 out
 using ReferenceGemm0Instance = ck::tensor_operation::host::ReferenceBatchedGemm<ADataType,

include/ck/tensor_operation/gpu/device/device_batched_gemm_softmax_gemm_permute_xdl_cshuffle.hpp

@@ -168,7 +168,7 @@ template <typename ALayout,
           index_t CShuffleNXdlPerWavePerShuffle,
           typename CShuffleBlockTransferClusterLengths_MBlock_MPerBlock_NBlock_NPerBlock,
           index_t CShuffleBlockTransferScalarPerVector_NPerBlock,
-          bool OnlyLowerTriangle = false,
+          bool MaskOutUpperTriangle,
           LoopScheduler LoopSched = LoopScheduler::Default>
 struct DeviceBatchedGemmSoftmaxGemmPermute_Xdl_CShuffle
     : public DeviceBatchedGemmSoftmaxGemmPermute<ALayout,
@@ -500,7 +500,7 @@ struct DeviceBatchedGemmSoftmaxGemmPermute_Xdl_CShuffle
         CShuffleBlockTransferScalarPerVector_NPerBlock,
         LoopSched,
         matrix_padder.PadN,
-        OnlyLowerTriangle>;
+        MaskOutUpperTriangle>;
 
     // Argument
     // FIXME: constness

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

@@ -77,7 +77,7 @@ template <typename FloatAB,
           index_t CShuffleBlockTransferScalarPerVector_NPerBlock,
           LoopScheduler LoopSched,
           bool PadN,
-          bool OnlyLowerTriangle = false>
+          bool MaskOutUpperTriangle>
 struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
 {
     static_assert(LoopSched == LoopScheduler::Default,
@@ -767,7 +767,7 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
         index_t gemm1_k_block_outer_index = 0;
         do
         {
-            if constexpr(OnlyLowerTriangle)
+            if constexpr(MaskOutUpperTriangle)
             {
                 auto gemm0_n_block_idx = __builtin_amdgcn_readfirstlane(gemm1_k_block_outer_index * NPerBlock);
                 if((m_block_data_idx_on_grid < gemm0_n_block_idx) && ((m_block_data_idx_on_grid + MPerBlock - 1) < (gemm0_n_block_idx + NPerBlock - 1)))
@@ -792,7 +792,7 @@ struct GridwiseBatchedGemmSoftmaxGemm_Xdl_CShuffle
                                                                    acc_thread_buf,
                                                                    num_k_block_main_loop);
 
-            if constexpr(!OnlyLowerTriangle)
+            if constexpr(!MaskOutUpperTriangle)
             {
                 // Acc0 elementwise Op
 #if CK_WORKAROUND_SWDEV_XXXXXX_ATTN_KERNEL_CLANG_CANNOT_SCAVENGE_REGISTER