[KP] fix bug in activation xpu kp kernel (#41219)

* fix bug in activation xpu kp kernel

* delete useless comment

paddle/fluid/imperative/prepared_operator.cc

@@ -191,12 +191,23 @@ PreparedOp PrepareImpl(const NameVarMap<VarType>& ins,
       bool is_xpu_kp_support =
           (use_xpu_kp_kernel_rt || use_xpu_kp_kernel_debug);
       if (is_xpu_kp_support) {
+        auto expected_kernel_key_library_type =
+            expected_kernel_key.library_type_;
         expected_kernel_key.library_type_ = paddle::framework::LibraryType::kKP;
-        VLOG(3) << "modify XPU KP kernel: " << op.Type()
+        VLOG(3) << "modifing XPU KP kernel: " << op.Type()
                 << ", using_kernel_key:" << expected_kernel_key;
+        phi::KernelKey try_pt_kernel_key =
+            TransOpKernelTypeToPhiKernelKey(expected_kernel_key);
+        if (!phi::KernelFactory::Instance().IsSelectKernelValid(
+                pt_kernel_name, try_pt_kernel_key)) {
+          expected_kernel_key.library_type_ = expected_kernel_key_library_type;
+          VLOG(3) << "modify XPU KP kernel: " << op.Type() << " is failed "
+                  << expected_kernel_key;
+        }
       }
     }
 #endif
+
     pt_kernel_key = TransOpKernelTypeToPhiKernelKey(expected_kernel_key);
     auto pt_kernel = phi::KernelFactory::Instance().SelectKernel(pt_kernel_name,
                                                                  pt_kernel_key);
@@ -227,6 +238,20 @@ PreparedOp PrepareImpl(const NameVarMap<VarType>& ins,
   auto& all_op_kernels = op.AllOpKernels();
   auto kernels_iter = all_op_kernels.find(op.Type());
 
+#ifdef PADDLE_WITH_XPU_KP
+  bool use_xpu_kp_kernel_rt =
+      paddle::platform::is_xpu_place(expected_kernel_key.place_) &&
+      FLAGS_run_kp_kernel &&
+      paddle::platform::is_xpu_kp_support_op(op.Type(), expected_kernel_key);
+  bool use_xpu_kp_kernel_debug =
+      paddle::platform::is_xpu_place(expected_kernel_key.place_) &&
+      paddle::platform::is_in_xpu_kpwhite_list(op.Type());
+  bool is_xpu_kp_support = (use_xpu_kp_kernel_rt || use_xpu_kp_kernel_debug);
+  if (is_xpu_kp_support) {
+    expected_kernel_key.library_type_ = paddle::framework::LibraryType::kKP;
+  }
+#endif
+
   if ((kernels_iter == all_op_kernels.end() ||
        kernels_iter->second.find(expected_kernel_key) ==
            kernels_iter->second.end())
@@ -255,6 +280,7 @@ PreparedOp PrepareImpl(const NameVarMap<VarType>& ins,
       platform::errors::NotFound(
           "There are no kernels which are registered in the %s operator.",
           op.Type()));
+
   auto& kernels = kernels_iter->second;
   auto kernel_iter = kernels.find(expected_kernel_key);
 
@@ -271,18 +297,12 @@ PreparedOp PrepareImpl(const NameVarMap<VarType>& ins,
 
 #ifdef PADDLE_WITH_XPU_KP
   if (paddle::platform::is_xpu_place(expected_kernel_key.place_)) {
-    bool use_xpu_kp_kernel_rt =
-        FLAGS_run_kp_kernel &&
-        paddle::platform::is_xpu_kp_support_op(op.Type(), expected_kernel_key);
-    bool use_xpu_kp_kernel_debug =
-        paddle::platform::is_in_xpu_kpwhite_list(op.Type());
     if (use_xpu_kp_kernel_rt) {
       VLOG(3) << "xpu_kp using rt mode ";
     }
     if (use_xpu_kp_kernel_debug) {
       VLOG(3) << "xpu_kp using debug mode ";
     }
-    bool is_xpu_kp_support = (use_xpu_kp_kernel_rt || use_xpu_kp_kernel_debug);
     if (is_xpu_kp_support) {
       expected_kernel_key.library_type_ = paddle::framework::LibraryType::kKP;
       kernel_iter = kernels.find(expected_kernel_key);

paddle/phi/core/kernel_factory.cc

@@ -59,6 +59,21 @@ KernelKeyMap KernelFactory::SelectKernelMap(
   return iter->second;
 }
 
+bool KernelFactory::IsSelectKernelValid(const std::string& kernel_name,
+                                        const KernelKey& kernel_key) const {
+  auto iter = kernels_.find(kernel_name);
+  PADDLE_ENFORCE_NE(
+      iter,
+      kernels_.end(),
+      phi::errors::NotFound("The kernel `%s` is not registered.", kernel_name));
+
+  auto kernel_iter = iter->second.find(kernel_key);
+  if (kernel_iter == iter->second.end()) {
+    return false;
+  }
+  return true;
+}
+
 const Kernel& KernelFactory::SelectKernelOrThrowError(
     const std::string& kernel_name, const KernelKey& kernel_key) const {
   auto iter = kernels_.find(kernel_name);

paddle/phi/core/kernel_factory.h

@@ -245,6 +245,9 @@ class KernelFactory {
                                          DataLayout layout,
                                          DataType dtype) const;
 
+  bool IsSelectKernelValid(const std::string& kernel_name,
+                           const KernelKey& kernel_key) const;
+
   Kernel SelectKernel(const std::string& kernel_name,
                       const KernelKey& kernel_key) const;