Lines Matching full:compression
20 …compression algorithm and data compression tool, with command line syntax similar to \fBgzip (1)\f…
86 Benchmark file(s) using compression level #
99 \fB\-#\fR: \fB#\fR compression level [1\-19] (default: 3)
102 \fB\-\-ultra\fR: unlocks high compression levels 20+ (maximum 22), using a lot more memory\. Note t…
105 …compression levels\. If \fB=#\fR is not present, it defaults to \fB1\fR\. The higher the value, th…
111 …compression, use a single thread for both I/O and compression\. In this mode, compression is seria…
117 …,max=#]\fR : \fBzstd\fR will dynamically adapt compression level to perceived I/O conditions\. Com…
120 … compressor and decompressor\. This setting is designed to improve the compression ratio for files…
129 …ference point for zstd\'s diff engine\. This is effectively dictionary compression with some conve…
132 …ingle\-thread mode to improve compression ratio at the cost of speed Note: for level 19, you can g…
135 …compression state to make the compressed file more rsync\-friendly\. There is a negligible impact …
144 \fB\-\-no\-dictID\fR: do not store dictionary ID within frame header (dictionary compression)\. The…
150 This is also used during compression when using with \-\-patch\-from=\. In this case, this paramete…
156 …tion will be used to better optimize compression parameters, resulting in better and potentially f…
159 …compression parameters\. If the stream size is relatively small, this guess may be a poor one, res…
174 \fB\-\-rm\fR: remove source file(s) after successful compression or decompression\. If used in comb…
177 \fB\-k\fR, \fB\-\-keep\fR: keep source file(s) after successful compression or decompression\. This…
195 …f compiled with support, zstd can compress to or decompress from other compression algorithm forma…
213 \fB\-\-show\-default\-cparams\fR: Shows the default compression parameters that will be used for a …
221 …S\fR are currently supported\. They set the compression level and number of threads to use during …
224 …d with a warning message\. \fBZSTD_CLEVEL\fR just replaces the default compression level (\fB3\fR)…
227 …sed to set the number of threads \fBzstd\fR will attempt to use during compression\. If the value …
230 …sponding command line arguments: \fB\-#\fR for compression level and \fB\-T#\fR for number of comp…
233 …compression, which greatly improves efficiency on small files and messages\. It\'s possible to tra…
252 …compression level during training (optional)\. Will generate statistics more tuned for selected co…
271 …bles in size until compression ratio of the truncated dictionary is at most \fIshrinkDictMaxRegres…
330 benchmark file(s) using compression level #
334 benchmark file(s) using multiple compression levels, from \fB\-b#\fR to \fB\-e#\fR (inclusive)
352 \fBMethodology:\fR For both compression and decompression speed, the entire input is compressed/dec…
354 .SH "ADVANCED COMPRESSION OPTIONS"
357 …compression job\. This parameter is only available when multi\-threading is enabled\. Each compres…
360 …compression levels\. The selected or default predefined compression level can be changed with adva…
374 The higher number of increases the chance to find a match which usually improves compression ratio\…
384 …es cause less collisions which usually makes compression faster, but requires more memory during c…
394 …which usually improves compression ratio\. It also slows down compression speed and increases memo…
404 …ses the chance to find a match which usually increases compression ratio but decreases compression…
414 Larger search lengths usually decrease compression ratio but improve decompression speed\.
424 …compression ratio but decreases compression speed\. t For ZSTD_fast, it triggers ultra\-fast mode …
434 …vailable when multithreading is enabled\. Reloading more data improves compression ratio, but decr…
447 …hash tables usually improve compression ratio at the expense of more memory during compression and…
460 Larger/very small values usually decrease compression ratio\.
473 Larger bucket sizes improve collision resolution but decrease compression speed\.
486 …ger values will improve compression speed\. Deviating far from the default value will likely resul…
492 The following parameters sets advanced compression options to something similar to predefined level…