diff options
Diffstat (limited to 'src/buildtool/storage/file_chunker.hpp')
| -rw-r--r-- | src/buildtool/storage/file_chunker.hpp | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/buildtool/storage/file_chunker.hpp b/src/buildtool/storage/file_chunker.hpp index c4611c48..f2aea001 100644 --- a/src/buildtool/storage/file_chunker.hpp +++ b/src/buildtool/storage/file_chunker.hpp @@ -32,7 +32,7 @@ /// A read buffer is used to progressively process the file content instead of /// reading the entire file content in memory. class FileChunker { - static constexpr std::uint32_t kDefaultChunkSize{1024 * 8}; // 8 KB + static constexpr std::uint32_t kAverageChunkSize{1024 * 8}; // 8 KB static constexpr std::uint32_t kDefaultSeed{0}; public: @@ -40,20 +40,19 @@ class FileChunker { /// @param path The path to the file to be splitted. /// @param average_chunk_size Targeted average chunk size in bytes /// (default: 8 KB). - explicit FileChunker(std::filesystem::path const& path, - std::uint32_t average_chunk_size = kDefaultChunkSize) + explicit FileChunker(std::filesystem::path const& path) // According to section 4.1 of the paper // https://ieeexplore.ieee.org/document/9055082, maximum and minimum // chunk sizes are configured to the 8x and the 1/4x of the average // chunk size. - : min_chunk_size_(average_chunk_size >> 2U), - average_chunk_size_(average_chunk_size), - max_chunk_size_(average_chunk_size << 3U), + : min_chunk_size_(kAverageChunkSize >> 2U), + average_chunk_size_(kAverageChunkSize), + max_chunk_size_(kAverageChunkSize << 3U), stream_{path, std::ios::in | std::ios::binary} { // The buffer size needs to be at least max_chunk_size_ large, otherwise // max_chunk_size_ is not fully exhausted and the buffer size determines // the maximum chunk size. - buffer_.resize(max_chunk_size_ << 4U); + buffer_.resize(max_chunk_size_ << 1U); } FileChunker() noexcept = delete; |