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graphengine/inc/common/util/compress/compress.h

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/**
* Copyright 2019-2020 Huawei Technologies Co., Ltd
*
* 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 COMPRESS_H
#define COMPRESS_H
#include <uchar.h>
enum CmpStatus { RET_SUCCESS = 0, RET_ERROR = -1 };
struct CompressConfig {
size_t inputSize; // length of data to compress
size_t engineNum; // how many decompress engines
size_t maxRatio; // how much size of a basic compression block, only 64 supported now (8x: 64 4x: 32)
size_t channel; // channels of L2 or DDR. For load balance
size_t fractalSize; // size of compressing block
bool isTight; // whether compose compressed data tightly
size_t init_offset;
};
CmpStatus CompressWeights(char* input, const CompressConfig& compressConfig, char* indexs, char* output,
size_t& compressedLength);
#endif // COMPRESS_H