| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 <cstddef> |
| #include <cstdint> |
| |
| // This namespace has wrappers for the Bitshuffle library which do runtime dispatch to |
| // either AVX2-accelerated or regular SSE2 implementations based on the available CPU. |
| namespace kudu { |
| namespace bitshuffle { |
| |
| // See <bitshuffle.h> for documentation on these functions. |
| size_t compress_lz4_bound(size_t size, size_t elem_size, size_t block_size); |
| int64_t compress_lz4(void* in, void* out, size_t size, size_t elem_size, size_t block_size); |
| int64_t decompress_lz4(void* in, void* out, size_t size, size_t elem_size, size_t block_size); |
| |
| } // namespace bitshuffle |
| } // namespace kudu |
