Benchmark compression libraries

This directory vendors LZ4 1.10.0 and gzip 1.14 for the compressor comparison benchmarks. The benchmarks build their command-line tools in .benchmark/lz4 and .benchmark/gzip; they do not use system installations.

LZ4

LZ4 is obtained from the upstream 1.10.0 release.

LZ4's library source is BSD 2-Clause licensed. Its command-line tool is GPL-2.0-or-later licensed. See lz4/LICENSE and lz4/programs/COPYING.

gzip

gzip is obtained from the upstream 1.14 release.

gzip is GPL-3.0-or-later licensed. See gzip/COPYING.