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| author | Yann Collet <cyan@fb.com> | 2016-11-16 19:37:05 (GMT) |
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| committer | Yann Collet <cyan@fb.com> | 2016-11-16 19:37:05 (GMT) |
| commit | 7fde7438d39f8452f89e3fee5ba4a16c502dffb0 (patch) | |
| tree | 4f08a51bee65e79fc00122400bcb9d1c8ac9ff4e /programs | |
| parent | a22ca9378be9ace2aa6d08b80f767241d759dc1b (diff) | |
| parent | e9bec0fdcce0bdf68814bd03f1f0c03659494439 (diff) | |
| download | lz4-7fde7438d39f8452f89e3fee5ba4a16c502dffb0.zip lz4-7fde7438d39f8452f89e3fee5ba4a16c502dffb0.tar.gz lz4-7fde7438d39f8452f89e3fee5ba4a16c502dffb0.tar.bz2 | |
Merge branch 'dev' of github.com:Cyan4973/lz4 into devv1.7.3
Diffstat (limited to 'programs')
| -rw-r--r-- | programs/README.md | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/programs/README.md b/programs/README.md index b67408f..2ad0449 100644 --- a/programs/README.md +++ b/programs/README.md @@ -21,7 +21,7 @@ It makes benchmark more precise as it eliminates I/O overhead. The benchmark measures ratio, compressed size, compression and decompression speed. One can select compression levels starting from `-b` and ending with `-e`. -The `-i` parameter selects a number of iterations used for each of tested levels. +The `-i` parameter selects a number of seconds used for each of tested levels. @@ -39,6 +39,7 @@ Arguments : -d : decompression (default for .lz4 extension) -z : force compression -f : overwrite output without prompting +--rm : remove source file(s) after successful de/compression -h/-H : display help/long help and exit Advanced arguments : @@ -48,18 +49,20 @@ Advanced arguments : -c : force write to standard output, even if it is the console -t : test compressed file integrity -m : multiple input files (implies automatic output filenames) + -r : operate recursively on directories (sets also -m) -l : compress using Legacy format (Linux kernel compression) - -B# : Block size [4-7](default : 7) + -B# : Block size [4-7] (default : 7) -BD : Block dependency (improve compression ratio) --no-frame-crc : disable stream checksum (default:enabled) --content-size : compressed frame includes original size (default:not present) --[no-]sparse : sparse mode (default:enabled on file, disabled on stdout) Benchmark arguments : -Benchmark arguments : -b# : benchmark file(s), using # compression level (default : 1) - -e# : test all compression levels from -bX to # (default: 1) - -i# : iteration loops [1-9](default : 3), benchmark mode only - ``` + -e# : test all compression levels from -bX to # (default : 1) + -i# : minimum evaluation time in seconds (default : 3s) + -B# : cut file into independent blocks of size # bytes [32+] + or predefined block size [4-7] (default: 7) +``` #### License |