chore: import upstream snapshot with attribution

paddle/phi/kernels/gpu/lookup_table_kernel.h

@@ -0,0 +1,44 @@
+// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include <string>
+#include <vector>
+#include "paddle/phi/core/dense_tensor.h"
+#include "paddle/phi/core/enforce.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void LookupTableCUDAKernel(const Context &dev_ctx,
+                           const DenseTensor &w,
+                           const DenseTensor &ids_in,
+                           bool is_sparse,
+                           bool is_distributed,
+                           int64_t padding_idx,
+                           bool remote_prefetch,
+                           const std::string &entry_config,
+                           bool is_test,
+                           const std::string &entry,
+                           const std::string &table_class,
+                           const std::vector<std::string> &table_names,
+                           int trainer_id,
+                           bool grad_inplace,
+                           const std::vector<std::string> &epmap,
+                           const std::vector<int64_t> &height_sections,
+                           DenseTensor *out);
+
+}  // namespace phi