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LZRW
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<p>Lempel–Ziv Ross Williams (LZRW) refers to variants of the <a href="/facts/LZ77/HGH09JM9">LZ77</a> <a href="/facts/Lossless_data_compression/LS702KsN">lossless data compression</a> <a href="/facts/Algorithms/fnl5NmRt">algorithms</a> with an emphasis on improving compression speed through the use of <a href="/facts/Hash_tables/Ht4ptDPF">hash tables</a> and other techniques. This family was explored by <a href="/facts/Ross_Williams_(computer_scientist)/jss4K94P">Ross Williams</a>, who published a series of algorithms beginning with LZRW1 in 1991. </p><p>The variants are: </p> <ul><li>LZRW1</li> <li>LZRW1-A</li> <li>LZRW2</li> <li>LZRW3</li> <li>LZRW3-A</li> <li>LZRW4</li> <li>LZRW5</li></ul> <p>The <a href="/facts/LZJB/o6q7g1Kv">LZJB</a> algorithm used in <a href="/facts/ZFS/cmh5BHlp">ZFS</a> is derived from LZRW1. </p>