METHODS, DEVICES AND SYSTEMS FOR COMPRESSING AND DECOMPRESSING DATA

Methods, devices and systems extend a compressor and a decompressor for encoding and decoding data in the cache/memory/data transferring subsystem in a computer system or in a communication network. An example variable-length compressor is extended to be able to compress blocks of data values and said compressed blocks comprise mixes of compressed and uncompressed values, wherein metadata in the form of a unique special-meaning codeword (UUIC) indicates uncompressed values. An example variable-length decompressor is extended to be able to decompress said compressed data blocks that comprise mixes of compressed and uncompressed data values. Said compressor and decompressor are extended to support compression and decompression of common compression scenarios that are used in combination withvariable-length compression to improve compressibility in the cache/memory/data transferring subsystem in a computer system or in a communication network. 方法、设备和系统使压缩器和解压缩器扩展以用于对计算机系统的缓存/存储器/数据传输子系统中的或通信网络中的数据进行编码和解码。示例可变长度压