75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "paddle/phi/core/dense_tensor.h"
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#include "paddle/phi/kernels/funcs/math/beam_search.h"
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namespace phi {
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template <typename T, typename Context>
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void BeamSearchOpKernel(const Context &dev_ctx,
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const DenseTensor &pre_ids_in,
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const DenseTensor &pre_scores_in,
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const DenseTensor &ids_in,
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const DenseTensor &scores_in,
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int level,
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int beam_size,
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int end_id,
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bool is_accumulated,
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DenseTensor *selected_ids,
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DenseTensor *selected_scores,
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DenseTensor *parent_idx) {
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auto *ids = &ids_in;
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auto *scores = &scores_in;
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auto *pre_ids = &pre_ids_in;
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auto *pre_scores = &pre_scores_in;
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PADDLE_ENFORCE_NOT_NULL(
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scores,
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common::errors::NotFound("Input(scores) of BeamSearchOp is not found."));
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PADDLE_ENFORCE_NOT_NULL(
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pre_ids,
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common::errors::NotFound("Input(pre_ids) of BeamSearchOp is not found."));
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PADDLE_ENFORCE_NOT_NULL(
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pre_scores,
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common::errors::NotFound(
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"Input(pre_scores) of BeamSearchOp is not found."));
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PADDLE_ENFORCE_NOT_NULL(
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selected_ids,
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common::errors::NotFound(
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"Output(selected_ids) of BeamSearchOp is not found."));
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PADDLE_ENFORCE_NOT_NULL(
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selected_scores,
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common::errors::NotFound(
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"Output(selected_scores) of BeamSearchOp is not found."));
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math::BeamSearchFunctor<Context, T> alg;
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alg(dev_ctx,
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pre_ids,
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pre_scores,
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ids,
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scores,
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selected_ids,
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selected_scores,
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parent_idx,
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level,
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beam_size,
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end_id,
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is_accumulated);
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}
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} // namespace phi
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