52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
// Copyright (c) 2023 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/backends/gpu/gpu_context.h"
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namespace phi {
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namespace funcs {
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// This functor involves a fusion calculation in Ernie or Bert.
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// The fusion mode is as follows:
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//
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// | |
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// matmul
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// |
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// eltwise_add
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// |
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// softmax /
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// \ /
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// matmul
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// |
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template <typename T>
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class MultiheadGPUComputeFunctor {
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public:
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void operator()(const GPUContext &dev_ctx,
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int batch,
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int seq_len,
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int head_num,
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int head_size,
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T *qkptr,
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const T *bias_qk_ptr,
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bool bias_is_mask,
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T *tptr,
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T alpha,
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T beta);
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};
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} // namespace funcs
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} // namespace phi
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