Lines Matching full:compression
2 perf: Regain Minimal memset()-ing During Reuse of Compression Contexts (@Cyan4973, #2969)
7 perf: rebalanced compression levels, to better match the intended speed/level curve, by @senhuang42
12 perf: faster mid-level compression speed in presence of highly repetitive patterns, by @senhuang42
13 perf: minor compression ratio improvements for small data at high levels, by @cyan4973
15 perf: faster compression speed on incompressible data, by @bindhvo
40 perf: Significant speed improvements for middle compression levels (#2494, @senhuang42 @terrelln)
41 perf: Block splitter to improve compression ratio, enabled by default for high compression levels (…
43 perf: Reduced stack usage during compression and decompression entropy stage (#2522 #2524, @terrell…
48 bug: Ensure `ZSTD_estimateCCtxSize*() `monotonically increases with compression level (#2538, @senh…
51 bug: Fix superblock compression divide by zero bug (#2592, @senhuang42)
83 api: Add (De)Compression Tracing Functionality (#2482, @terrelln)
110 perf: stronger --long mode at high compression levels, by @senhuang42
111 perf: stronger --patch-from at high compression levels, thanks to --long improvements
112 perf: faster dictionary compression at medium compression levels, by @felixhandte
114 perf: improved fast compression speeds with Visual Studio, by @animalize
121 api : shared thread pool: control total nb of threads used by multiple compression jobs, by @marxin
124 api : fix : multithreaded compression has predictable output even in special cases (see #2327) (iss…
125 api : fix : dictionary compression correctly respects dictionary compression level (see #2303) (iss…
136 perf: Reduce compression stack usage by 1 KB, by @terrelln
161 misc: Allow compression dictionaries with missing symbols
168 fix : Compression ratio regression on huge files (> 3 GB) using high levels (--ultra) and multithre…
171 perf: Improved fast compression speed on aarch64 (#2040, ~+3%, by @caoyzh)
172 perf: Small level 1 compression speed gains (depending on compiler)
188 misc: Extend largeNbDicts benchmark to compression
195 perf: Better compression speed when re-using a context, by @felixhandte
196 perf: Fix compression ratio when compressing large files with small dictionary, by @senhuang42
221 bug: Fix Dictionary Compression Ratio Regression by @cyan4973 (#1709)
236 perf: Slightly improved compression ratio of level 3 and 4 (ZSTD_dfast) by @cyan4973 (#1681)
237 perf: Slightly faster compression speed when re-using a context by @cyan4973 (#1658)
238 perf: Improve compression ratio for small windowLog by @cyan4973 (#1624)
239 perf: Faster compression speed in high compression mode for repetitive data by @terrelln (#1635)
262 perf: Improve level 1 compression speed in most scenarios by 6% by @gbtucker and @terrelln
272 api: Add ZSTD_c_literalCompressionMode flag to enable or disable literal compression by @terrelln
273 api: Allow compression parameters to be set when a dictionary is used
278 cli: Add --[no-]compress-literals flag to enable or disable literal compression
300 perf: slightly better compression ratio at high compression modes
322 fix : performance of dictionary compression for small input < 4 KB at levels 9 and 10
329 perf: faster dictionary compression on small data when using multiple contexts, by @felixhandte
332 cli : new command --adapt, for automatic compression level adaptation
335 api : minimum negative compression level is defined, and can be queried using ZSTD_minCLevel().
342 perf: much faster dictionary compression, by @felixhandte
344 perf: slightly improved high compression levels (notably level 19)
348 api : fix : performance degradation for dictionary compression when using advanced API, by @terrelln
359 perf: better compression at levels 13-15
360 cli : asynchronous compression by default, for faster experience (use --single-thread for former be…
362 cli : added command --fast=#, for faster compression modes
365 api : compression levels can be negative, for even more speed
367 api : ZSTDMT can accept new compression parameters during compression
390 fix : multi-threading compression works with custom allocators
392 fix : a rare compression bug when compression generates very large distances and bunch of other con…
420 new : contrib/adaptive-compression, I/O driven compression strength, by Paul Cruz (@paulcruz74)
497 lib : improved : faster decompression speed at ultra compression settings and 32-bits mode
513 Improved : slightly better compression ratio at --ultra levels (>= 20)
514 Improved : better memory usage when using streaming compression API, thanks to @Rogier-5 report
541 Fixed : compression fails on certain huge files, reported by Jesse McGrew
562 Modified : minor compression level adaptations
563 Updated : compression format specification to v0.2.0
573 Modified : default compression level for CLI is now 3
577 New : compression format specification
600 New : Support for directory compression, using `-r`, thanks to Przemyslaw Skibinski
601 New : Command `--rm`, to remove source file after successful de/compression
623 Stronger high compression modes, thanks to Przemyslaw Skibinski
625 New : highest compression modes require `--ultra` command to fully unleash their capacity
629 New : Optimal parsing => Very high compression modes, thanks to Przemyslaw Skibinski
632 Fix : high compression modes for big-endian platforms
638 Improved : better compression of small data
641 Improved : small compression speed improvement in HC mode
646 fix : fast compression mode on Windows
648 Improved : high compression mode on repetitive data
656 Fixed : high compression modes for Windows 32 bits
673 Command line utility compatible with high compression levels
682 minor generic compression improvements
688 Small compression ratio improvement
694 Small compression ratio improvement
697 HC mode : compression levels 2-26
717 fix compression bug