Data compression library

  • What is a compressed data file?

    A file reduced in size through the application of a compression algorithm, commonly performed to save disk space.
    The act of compressing a file makes it unreadable to most programs until the file is uncompressed..

  • With the help of zlib. compress(s) method, we can get compress the bytes of string by using zlib. compress(s) method.
LZ4 - Extremely fast compression. LZ4 is lossless compression algorithm, providing compression speed > 500 MB/s per core, scalable with multi-cores CPU.Releases 30Issues 21Pull requests 6Workflow runs
Xilinx data compression library is an open-sourced performance-optimized Vitis library written in C++ for accelerating data compression applications on Xilinx 

Is snappy a compression/decompression library?

Snappy is a compression/decompression library.
It does not aim for maximum compression, or compatibility with any other compression library; instead, it aims for very high speeds and reasonable compression.

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What file format does the compression API support?

The Compression API also supports ZIP file format. ZIP is an archive file format that supports lossless data compression.
A .zip file may contain one or more files or directories that may have been compressed.
See Compression archive API for more information.

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What is a compression library in C++?

Each compression library have its own set of functions and wrapper classes in the C++ Toolkit, declared in separate headers.
Most have a similar structure and methods, allowing for an easily switch of a compression method with minimal changes in the source code.
BZIP2 is known for good compression ratio and slow speed.

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Which modules support data compression?

The modules described in this chapter support data compression with the zlib, gzip, bzip2 and lzma algorithms, and the creation of ZIP- and tar-format archives.
See also Archiving operations provided by the shutil module.


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