change parameter:remove p_dropout_in_16bits

example/32_batched_gemm_scale_softmax_gemm/batched_multihead_attention_backward_fp16_dropout.cpp

@@ -270,8 +270,8 @@ int run(int argc, char* argv[])
     ck::index_t N  = 512;
     ck::index_t K  = 128;
     ck::index_t O  = 128;
-    ck::index_t G0 = 1;
-    ck::index_t G1 = 1;
+    ck::index_t G0 = 3;
+    ck::index_t G1 = 2;
 
     float alpha = 1.f / std::sqrt(K);
 
@@ -285,7 +285,6 @@ int run(int argc, char* argv[])
     const unsigned long long seed   = 1;
     const unsigned long long offset = 0;
 
-
     if(argc == 1)
     {
         // use default case

include/ck/tensor_operation/gpu/device/impl/device_batched_multihead_attention_backward_train_xdl_cshuffle.hpp

@@ -82,7 +82,6 @@ __global__ void
             const index_t batch_count,
             const ComputeBasePtrOfStridedBatch compute_base_ptr_of_batch,
             const C0MatrixMask c0_matrix_mask,
-            const ushort p_dropout_in_16bits,
             const float p_dropout,
             const unsigned long long seed,
             const unsigned long long offset)
@@ -137,7 +136,6 @@ __global__ void
                                                   ygrad_grid_desc_m0_o_m1,
                                                   block_2_ctile_map,
                                                   c0_matrix_mask,
-                                                  p_dropout_in_16bits,
                                                   p_dropout,
                                                   ph);
 #else
@@ -779,9 +777,7 @@ struct DeviceBatchedMultiheadAttentionBackward_Train_Xdl_CShuffle
             }
 
             p_dropout_        = 1.f - p_drop;
-            p_dropout_in_16bits_ = uint16_t(std::floor(p_dropout_ * 65535.0));
-            rp_dropout_          = 1.f / p_dropout_;
-
+            float rp_dropout_ = 1.f / p_dropout_;
             acc_element_op_.Append(rp_dropout_);
 
             seed_   = std::get<0>(seeds);
@@ -875,8 +871,6 @@ struct DeviceBatchedMultiheadAttentionBackward_Train_Xdl_CShuffle
         ComputeBasePtrOfStridedBatch compute_base_ptr_of_batch_;
 
         float p_dropout_;
-        ushort p_dropout_in_16bits_;
-        GemmAccDataType rp_dropout_;
         unsigned long long seed_;
         unsigned long long offset_;
     };
@@ -958,7 +952,6 @@ struct DeviceBatchedMultiheadAttentionBackward_Train_Xdl_CShuffle
                                               arg.batch_count_,
                                               arg.compute_base_ptr_of_batch_,
                                               arg.c0_matrix_mask_,
-                                              arg.p_dropout_in_16bits_,
                                               arg.p_dropout_,
                                               arg.seed_,
                                               arg.offset_);

include/ck/tensor_operation/gpu/grid/gridwise_batched_multihead_attention_backward_xdl_cshuffle_v2.hpp

@@ -1169,10 +1169,10 @@ struct GridwiseBatchedMultiheadAttentionBackward_Xdl_CShuffle_V2
                                const YGradGridDesc_M0_O_M1& ygrad_grid_desc_m0_o_m1,
                                const Block2CTileMap& block_2_ctile_map,
                                const C0MatrixMask& c0_matrix_mask,
-                               const ushort p_dropout_in_16bits,
                                FloatGemmAcc p_dropout,
                                ck::philox& ph)
     {
+        const ushort p_dropout_in_16bits = uint16_t(std::floor(p_dropout * 65535.0));
         const FloatGemmAcc rp_dropout    = 1.0f / p_dropout;
 
         const auto q_grid_buf = make_dynamic_buffer<AddressSpaceEnum::Global>(