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FastDeploy/custom_ops/gpu_ops/w4afp8_gemm/w4afp8_gemm.h
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lizexu123 6619298b50 【Optim】Optimize grid dimensions using max_tokens_per_expert for MoE models (#6007)
* update w4afp8

* build.sh ok

* support cuda_graph

* fix

* add test

* fix max_tokens_per_expert

* >=70

* fix

* compute_max_tokens_from_prefix_sum in w4afp8

* compute_max_tokens use cub
2026-01-15 19:18:42 +08:00

50 lines
2.1 KiB
C++

// Copyright (c) 2022 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 <string>
#include <vector>
#include "helper.h"
std::vector<paddle::Tensor> W4AFp8Gemm(
const paddle::Tensor& input,
const paddle::Tensor& weight,
const paddle::Tensor&
tokens, // If tokenpadding=0, this tensor represents the prefix sum of
// tensors, otherwise it represents the number of tokens in
// each group
const paddle::Tensor& weight_scale,
const paddle::optional<paddle::Tensor>& input_dequant_scale,
const paddle::optional<paddle::Tensor>& max_tokens_per_expert,
const int64_t token_padding_size,
const int64_t max_tokens,
const bool is_bfloat16);
template <typename InputType, typename OutputType>
void DisPatchW4AFp8GemmWrapper(const InputType* input,
const InputType* weight,
const int64_t* tokens,
const float* input_dequant_scale,
const float* weight_scale,
OutputType* out,
const int64_t token_padding_size,
const int64_t max_tokens,
const int num_experts,
const int64_t M,
const int64_t K,
const int WeightScaleGroup,
cudaStream_t stream,
const int64_t* max_tokens_per_expert);