Move fused feedforward (#53166)

* trans fused_feedward Compute function to phi

* add register info

* remove maxfunctor

* move fused feedward to phi

* remove sig file

* remove fliud include

* add include

* add include

* add sig file

* add output register info

* fix sig file

* Update fused_feedforward_sig.cc

* fix grad kernel

* update output register info

* fix

* open fused_feedforward static build

* add optional and fix code style

* fix output info for fused attention

* add optional param

* merge

paddle/fluid/operators/fused/fused_attention_op.cu

@@ -813,6 +813,8 @@ PD_REGISTER_KERNEL(fused_attention,
                    phi::dtype::float16,
                    double,
                    float) {
+  kernel->OutputAt(9).SetDataType(phi::DataType::UINT8);
+  kernel->OutputAt(14).SetDataType(phi::DataType::UINT8);
   if (kernel_key.dtype() == phi::DataType::FLOAT16) {
     kernel->OutputAt(0).SetDataType(phi::DataType::FLOAT32);
     kernel->OutputAt(1).SetDataType(phi::DataType::FLOAT32);

paddle/phi/kernels/funcs/functors.h

@@ -25,11 +25,6 @@ struct MulGradFunctor {
   inline HOSTDEVICE T Dy(T x, T y) { return x; }
 };
 
-template <typename T>
-struct MaxFunctor {
-  inline HOSTDEVICE T operator()(T a, T b) const { return a < b ? b : a; }
-};
-
 template <typename T>
 struct AddGradFunctor {
   inline HOSTDEVICE T Dx(T x, T y) { return static_cast<T>(1.); }

paddle/phi/kernels/fused_feedforward_grad_kernel.h

@@ -24,13 +24,13 @@ void FusedFeedForwardGradKernel(
     const DenseTensor& out_grad,
     const DenseTensor& x,
     const DenseTensor& linear1_weight,
-    const DenseTensor& linear1_bias,
+    const paddle::optional<DenseTensor>& linear1_bias,
     const DenseTensor& linear2_weight,
     const DenseTensor& dropout1_mask,
     const DenseTensor& dropout2_mask,
     const DenseTensor& linear1_out,
     const DenseTensor& dropout1_out,
-    const DenseTensor& dropout2_out,
+    const paddle::optional<DenseTensor>& dropout2_out,
     const paddle::optional<DenseTensor>& ln1_scale,
     const paddle::optional<DenseTensor>& ln1_bias,
     const paddle::optional<DenseTensor>& ln1_out,

paddle/phi/kernels/fusion/gpu/fused_dropout_helper.h

@@ -30,6 +30,8 @@
 #include "paddle/phi/kernels/fusion/gpu/fused_residual_dropout_bias.h"
 #include "paddle/phi/kernels/layer_norm_kernel.h"
 
+PHI_DECLARE_bool(use_fast_math);
+
 namespace phi {
 namespace fusion {
 
@@ -292,9 +294,10 @@ class FusedDropoutHelper {
                           T* d_bias,
                           const std::string& act_method) {
     if (act_method == "gelu") {
-      phi::funcs::GeluGradFunctor<T> gelu_grad;
-      phi::fusion::
-          LaunchDropoutActBiasGrad<T, MaskType, phi::funcs::GeluGradFunctor<T>>(
+      phi::fusion::GeluGradFunctor<T> gelu_grad;
+      phi::fusion::LaunchDropoutActBiasGrad<T,
+                                            MaskType,
+                                            phi::fusion::GeluGradFunctor<T>>(
           gelu_grad,
           dout,
           mask,

paddle/phi/kernels/fusion/xpu/fused_feedforward_grad_kernel.cc

@@ -366,13 +366,13 @@ void FusedFeedForwardGradKernel(
     const DenseTensor& out_grad,
     const DenseTensor& x,
     const DenseTensor& linear1_weight,
-    const DenseTensor& linear1_bias,
+    const paddle::optional<DenseTensor>& linear1_bias,
     const DenseTensor& linear2_weight,
     const DenseTensor& dropout1_mask,
     const DenseTensor& dropout2_mask,
     const DenseTensor& linear1_out,
     const DenseTensor& dropout1_out,
-    const DenseTensor& dropout2_out,
+    const paddle::optional<DenseTensor>& dropout2_out,
     const paddle::optional<DenseTensor>& ln1_scale,
     const paddle::optional<DenseTensor>& ln1_bias,
     const paddle::optional<DenseTensor>& ln1_out,
@@ -417,7 +417,7 @@ void FusedFeedForwardGradKernel(
   auto* ln1_out_ptr = pre_layer_norm ? ln1_out.get_ptr() : nullptr;
 
   auto* dropout1_out_ptr = &dropout1_out;
-  auto* dropout2_out_ptr = &dropout2_out;
+  auto* dropout2_out_ptr = dropout2_out.get_ptr();
   auto* linear1_weight_ptr = &linear1_weight;
   auto* linear2_weight_ptr = &linear2_weight;
 

python/paddle/fluid/tests/unittests/CMakeLists.txt

@@ -1162,6 +1162,8 @@ set(STATIC_BUILD_TESTS
     test_fetch_lod_tensor_array
     test_fused_attention_op
     test_fused_attention_op_api
+    test_fused_feedforward_op
+    test_fused_feedforward_pass
     test_imperative_optimizer
     test_lamb_op
     test_layer_norm_op
@@ -1191,6 +1193,8 @@ set(STATIC_BUILD_TESTS
 if(NOT WITH_GPU)
   list(REMOVE_ITEM STATIC_BUILD_TESTS test_fused_attention_op)
   list(REMOVE_ITEM STATIC_BUILD_TESTS test_fused_attention_op_api)
+  list(REMOVE_ITEM STATIC_BUILD_TESTS test_fused_feedforward_op)
+  list(REMOVE_ITEM STATIC_BUILD_TESTS test_fused_feedforward_op_pass)
 endif()
 
 foreach(STATIC_BUILD_TEST ${STATIC_BUILD_TESTS})