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[Inference] Add cutlass gemm dequant op #8909

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Aug 29, 2024
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4 changes: 3 additions & 1 deletion .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -125,5 +125,7 @@ FETCH_HEAD
.vscode
./ppdiffusers/ppdiffusers/version.py

# third party
csrc/gpu/cutlass_kernels/cutlass
dataset/
output/
output/
13 changes: 13 additions & 0 deletions csrc/README.md
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Expand Up @@ -13,3 +13,16 @@ pip install -r requirements.txt
```shell
python setup_cuda.py install
```

### 手动安装 Cutlass 库
1. 访问 Cutlass 仓库: [NVIDIA/cutlass](https://github.com/NVIDIA/cutlass)

2. 拉取代码:
git clone -b v3.5.0 --single-branch https://github.com/NVIDIA/cutlass.git

3. 将下载的 `cutlass` 目录放在 `csrc/gpu/cutlass_kernels/cutlass`下

4. 重新编译 Cuda 算子
```shell
python setup_cuda.py install
```
42 changes: 42 additions & 0 deletions csrc/gpu/cutlass_kernels/cutlass_helper.h
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@@ -0,0 +1,42 @@
// 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 "cutlass/half.h"
#include "cutlass/bfloat16.h"
#include "paddle/extension.h"

template <paddle::DataType D>
class CutlassDtypeTraits;

template <>
class CutlassDtypeTraits<paddle::DataType::FLOAT32> {
public:
typedef float DataType;
typedef float data_t;
};

template <>
class CutlassDtypeTraits<paddle::DataType::FLOAT16> {
public:
typedef cutlass::half_t DataType;
typedef paddle::float16 data_t;
};

template <>
class CutlassDtypeTraits<paddle::DataType::BFLOAT16> {
public:
typedef cutlass::bfloat16_t DataType;
typedef paddle::bfloat16 data_t;
};
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