chore: import upstream snapshot with attribution

2026-07-13 12:40:42 +08:00
commit e25996e7db
15472 changed files with 3536181 additions and 0 deletions
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+// 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 "paddle/phi/core/dense_tensor.h"
+#include "paddle/phi/kernels/funcs/math/beam_search.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void BeamSearchOpKernel(const Context &dev_ctx,
+                        const DenseTensor &pre_ids_in,
+                        const DenseTensor &pre_scores_in,
+                        const DenseTensor &ids_in,
+                        const DenseTensor &scores_in,
+                        int level,
+                        int beam_size,
+                        int end_id,
+                        bool is_accumulated,
+                        DenseTensor *selected_ids,
+                        DenseTensor *selected_scores,
+                        DenseTensor *parent_idx) {
+  auto *ids = &ids_in;
+  auto *scores = &scores_in;
+  auto *pre_ids = &pre_ids_in;
+  auto *pre_scores = &pre_scores_in;
+
+  PADDLE_ENFORCE_NOT_NULL(
+      scores,
+      common::errors::NotFound("Input(scores) of BeamSearchOp is not found."));
+  PADDLE_ENFORCE_NOT_NULL(
+      pre_ids,
+      common::errors::NotFound("Input(pre_ids) of BeamSearchOp is not found."));
+  PADDLE_ENFORCE_NOT_NULL(
+      pre_scores,
+      common::errors::NotFound(
+          "Input(pre_scores) of BeamSearchOp is not found."));
+
+  PADDLE_ENFORCE_NOT_NULL(
+      selected_ids,
+      common::errors::NotFound(
+          "Output(selected_ids) of BeamSearchOp is not found."));
+  PADDLE_ENFORCE_NOT_NULL(
+      selected_scores,
+      common::errors::NotFound(
+          "Output(selected_scores) of BeamSearchOp is not found."));
+
+  math::BeamSearchFunctor<Context, T> alg;
+  alg(dev_ctx,
+      pre_ids,
+      pre_scores,
+      ids,
+      scores,
+      selected_ids,
+      selected_scores,
+      parent_idx,
+      level,
+      beam_size,
+      end_id,
+      is_accumulated);
+}
+}  // namespace phi