Compression

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Revision as of 18:03, 21 April 2018 by Uwe Hermann (talk | contribs) (Created page with "== Comparison == All tests were performed using lzbench 1.7.3 (64-bit Linux), default compile options, gcc 7.3.0. All lzbench runs were performed twice in a row, the second...")
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Comparison

All tests were performed using lzbench 1.7.3 (64-bit Linux), default compile options, gcc 7.3.0.

All lzbench runs were performed twice in a row, the second run is recorded here.

Hardware: Laptop, AMD A10-8700P (4 cores, 1.8MHz); all 4 cores set to "performance" cpufreq governor; 8GB RAM.

100MB /dev/zero

$ dd if=/dev/zero of=devzero_100mb.dd bs=1M count=100 # 104857600 bytes
$ ./lzbench -elibdeflate,9,6,1/lz4/lz4fast,9,6,1/zstd,22,9,6,1,-1 devzero_100mb.dd

100MB /dev/urandom

$ dd if=/dev/urandom of=devurandom_100mb.dd bs=1M count=100 # 104857600 bytes
$ ./lzbench -elibdeflate,9,6,1/lz4/lz4fast,9,6,1/zstd,22,9,6,1,-1 devurandom_100mb.dd