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* SPDX-FileCopyrightText: Copyright (c) 1993-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/
#ifndef TRT_ZERO_PADDING_2D_H
#define TRT_ZERO_PADDING_2D_H
#include "NvInferPlugin.h"
#include <cuda_runtime.h>
namespace nvinfer1
{
namespace plugin
{
namespace bert
{
struct MhaRunParameter
{
nvinfer1::PluginTensorDesc inputDesc[4];
nvinfer1::PluginTensorDesc outputDesc[1];
void* inputs[4];
void* outputs[1];
};
class QkvPaddingRunner
{
public:
QkvPaddingRunner(nvinfer1::DataType dtype, int32_t maxPadSize = 64);
~QkvPaddingRunner() = default;
int32_t getMaxPaddingHeadSize();
size_t getWorkspaceSize(int32_t sumSeqLen, int32_t numHeads);
void* get16BytesAlignedPointer(void* workspace, size_t offset);
cudaError_t pad(void const* src, void* workspace, int32_t sumSeqLen, int32_t numHeads, int32_t headSize,
int32_t padHeadSize, cudaStream_t stream);
cudaError_t unpad(void const* workspace, void* dst, int32_t sumSeqLen, int32_t numHeads, int32_t headSize,
int32_t padHeadSize, cudaStream_t stream);
MhaRunParameter patchMhaArgs(nvinfer1::PluginTensorDesc const* inputDesc,
nvinfer1::PluginTensorDesc const* outputDesc, void const* const* inputs, void* const* outputs,
void* paddingWorkspace, int32_t sumSeqLen, int32_t numHeads, int32_t padHeadSize);
private:
size_t getInputSize(int32_t sumSeqLen, int32_t numHeads);
size_t getOutputSize(int32_t sumSeqLen, int32_t numHeads);
int32_t mMaxPaddingHeadSize{};
int32_t mDtypeSize{};
};
} // namespace bert
} // namespace plugin
} // namespace nvinfer1
#endif // TRT_ZERO_PADDING_2D_H
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