Files
paddlepaddle--paddle/paddle/phi/kernels/funcs/multihead_matmul_functor.h
T
2026-07-13 12:40:42 +08:00

52 lines
1.4 KiB
C++

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