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paddlepaddle--paddlenlp/csrc/gpu/append_attn/multi_head_latent_attention_kernel.h
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chore: import upstream snapshot with attribution
2026-07-13 13:37:14 +08:00

39 lines
1.4 KiB
C++

// 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 "helper.h"
#include "utils.cuh"
template <typename T>
void DecodeMLAAttentionKernel(
const AppendAttnMetaData& meta_data,
const paddle::Tensor &q, // [token_num, num_heads, head_dim]
const paddle::Tensor &cache_k,
const paddle::Tensor &cache_v,
const paddle::optional<paddle::Tensor>& attn_mask,
const paddle::optional<paddle::Tensor>& shift_bias,
const paddle::optional<paddle::Tensor>& smooth_weight,
const paddle::Tensor &seq_lens_q, // q_seq_len is 1
const paddle::Tensor &seq_lens_kv,
const paddle::Tensor &padding_offsets,
const paddle::Tensor &cum_offsets,
const paddle::Tensor &block_table,
int max_seq_len,
int max_dec_len,
float softmax_scale,
float in_scale,
bool causal,
cudaStream_t &stream,
paddle::Tensor *out);