Commit Graph

1293 Commits

Author SHA1 Message Date
Yann Collet
9696bfc2ad Merge pull request #544 from ds77/avoid-empty
Portable way to avoid empty unit warning in threading.c
2017-02-14 00:54:55 -08:00
Yann Collet
58af614ef2 push version and NEWS to v1.1.4 2017-02-13 18:32:44 -08:00
ds77
08e6a88a97 avoid empty translation unit warning without #pragma 2017-02-14 00:46:47 +01:00
Sean Purcell
d7bfcac18a Expose frameSrcSize to experimental API 2017-02-10 11:55:44 -08:00
Sean Purcell
5069b6c2c3 Merge branch 'dev' into multiframe 2017-02-10 10:08:55 -08:00
Yann Collet
bbba42acd1 Merge pull request #537 from terrelln/small-bugs
Fix small bugs
2017-02-10 04:35:43 -08:00
Yann Collet
a28c34cb7a Merge pull request #538 from iburinoc/errorstring
Fix ZSTD_getErrorString and add tests
2017-02-10 03:59:56 -08:00
Sean Purcell
269b2cd3d8 Documentation updates 2017-02-09 13:25:30 -08:00
Sean Purcell
2db7249265 Make pledgedSrcSize meaning clear for other functions
- Added tests
- Moved new size functions to static link only
2017-02-09 11:49:58 -08:00
Nick Terrell
545987996a Fix deprecation warnings for clang with C++14 2017-02-08 17:38:17 -08:00
Sean Purcell
e0b3265e87 Fix ZSTD_getErrorString and add tests 2017-02-08 17:28:49 -08:00
Sean Purcell
0f5c95af44 Disambiguate pledgedSrcSize == 0
- Modify ZSTD CLI to only set contentSizeFlag if it _knows_ the size
- Change pzstd to stop setting contentSizeFlag without accurate pledgedSrcSize
2017-02-08 15:12:46 -08:00
Sean Purcell
ba2ad9f25c ZSTD_decompress now handles multiple frames 2017-02-08 14:50:10 -08:00
Sean Purcell
4e709712e1 Decompressed size functions now handle multiframes and distinguish cases
- Add ZSTD_findDecompressedSize
    - Traverses multiple frames to find total output size
- Add ZSTD_getFrameContentSize
    - Gets the decompressed size of a single frame by reading header
- Deprecate ZSTD_getDecompressedSize
2017-02-08 14:50:10 -08:00
Przemyslaw Skibinski
cdf5a7bd9f Merge remote-tracking branch 'refs/remotes/facebook/dev' into dev11 2017-02-08 13:49:35 +01:00
Nick Terrell
71c5263c00 Attribute cover dictionary code 2017-02-07 11:35:07 -08:00
Przemyslaw Skibinski
7060aee8c2 platform.h added to build_package.bat 2017-02-06 19:43:13 +01:00
Yann Collet
b54e235bf3 fixed Mac OS-X specific directory in $(RM) list
these directories are now removed with -r command
2017-02-05 10:22:58 -08:00
Yann Collet
c2a4632789 release builds use less debug symbols and warnings
release build are triggered through either `make`,
or their specific target `make zstd-release` and `make lib-release`.
2017-02-02 20:54:41 -08:00
Yann Collet
48bed91606 Merge pull request #527 from facebook/zstdmt
zstdmt refinements
2017-01-31 16:36:46 -08:00
Yann Collet
b2e1b3d670 fixed overlapLog==0 => no overlap 2017-01-30 14:54:46 -08:00
Yann Collet
3672d06d06 zstdmt : section size is set to be a minimum of overlapSize
the minimum size condition size is applied transparently (no warning, no error)
like previous minimum section size condition (1 KB) which still applies.
2017-01-30 13:35:45 -08:00
Yann Collet
88df1aed61 changed advanced parameter overlapLog
Follows a positive logic (increasing value => increasing overlap)
which is easier to use
2017-01-30 11:00:00 -08:00
Yann Collet
b5fd15ccb2 fixed : legacy decoders v04 and v05 2017-01-30 10:45:58 -08:00
Yann Collet
cc3d1bc262 Merge pull request #525 from terrelln/covermt
Multithreaded COVER dictionary training
2017-01-30 10:15:33 -08:00
Nick Terrell
43474313f8 Fix documentation about memory usage 2017-01-27 18:43:05 -08:00
Nick Terrell
b42dd27ef5 Add include guards and extern C 2017-01-27 16:00:19 -08:00
Yann Collet
f6d4a786fc reduced zstdmt latency when using small custom section sizes with high compression levels
Previous version was requiring a fairly large initial amount of input data
before starting to create compression jobs.
This new version starts the process much sooner.
2017-01-27 15:55:30 -08:00
Nick Terrell
c43c27127f Merge branch 'dev' into buck
* dev:
  updated NEWS
  fixed MSAN warnings in legacy decoders
  Fix cmake build
  updated NEWS
  Edits as per comments, and change wildcard 'X' to '?'
  Fix Visual Studios project
  Fix pool.c threading.h import
  Fix zstdmt_compress.h include
  Fixed commented issues
  Updated format specification to be easier to understand
  improved #232 fix
  Fixed https://github.com/facebook/zstd/issues/232
  .travis.yml: different tests for "master" branch
  .travis.yml: optimized order of short tests
  .travis.yml: test jobs 12-15
  JOB_NUMBER -eq 9
  improved ZSTD_compressBlock_opt_extDict_generic
2017-01-27 12:05:48 -08:00
Nick Terrell
2fe9126591 Add multithread support to COVER 2017-01-27 11:56:02 -08:00
Yann Collet
609c123a01 Merge pull request #522 from terrelln/benchmt
Fix some includes
2017-01-27 11:40:25 -08:00
Yann Collet
cafdd31a38 fixed MSAN warnings in legacy decoders
In some extraordinary circumstances,
*Length field can be generated from reading a partially uninitialized memory segment.
Data is correctly identified as corrupted later on,
but the read taints some later pointer arithmetic operation.
2017-01-27 10:44:03 -08:00
Nick Terrell
9c018cc140 Add BUCK files for Nuclide support 2017-01-27 10:43:12 -08:00
Przemyslaw Skibinski
29157320fb improved ZSTD_compressBlock_opt_extDict_generic 2017-01-27 10:43:02 -08:00
Nick Terrell
e628eaf87a Fix pool.c threading.h import 2017-01-26 15:29:10 -08:00
Yann Collet
717c65d690 Merge pull request #519 from inikep/dev11
Dev11
2017-01-26 14:23:44 -08:00
Yann Collet
ef33d00532 fixed : ZSTD_setCCtxParameter() properly exposed in DLL 2017-01-26 12:24:21 -08:00
Yann Collet
4a62f79ec9 fixed clang documentation warning 2017-01-26 09:16:56 -08:00
Yann Collet
8dafb1acf5 CLI : automatically set overlap size to max (windowSize) for max compression level 2017-01-25 17:01:13 -08:00
Yann Collet
06e7697f96 added test of new parameter ZSTD_p_forceWindow 2017-01-25 16:39:03 -08:00
Yann Collet
bb0027405a fixed zstdmt corruption issue when enabling overlapped sections
see Asana board for detailed explanation on why and how to fix it
2017-01-25 16:25:38 -08:00
Yann Collet
943cff9c37 fixed zstdmt cli freeze issue with large nb of threads
fileio.c was continually pushing more content without giving a chance to flush compressed one.
It would block the job queue when input data was accumulated too fast (requiring to define many threads).
Fixed : fileio flushes whatever it can after each input attempt.
2017-01-25 12:35:19 -08:00
Yann Collet
dc8dae596a overlapped section, for improved compression
Sections 2+ read a bit of data from previous section
in order to improve compression ratio.
This also costs some CPU, to reference read data.

Read data is currently fixed to window>>3 size
2017-01-24 22:32:12 -08:00
Yann Collet
f14a669054 refactor job creation
code shared accross ZSTDMT_{compress,flush,end}Stream(),
for easier maintenance
2017-01-24 17:41:49 -08:00
Yann Collet
512cbe8c10 zstdmt cli and API allow selection of section sizes
By default, section sizes are 4x window size.
This new setting allow manual selection of section sizes.
The larger they are, the (slightly) better the compression ratio,
but also the higher the memory allocation cost,
and eventually the lesser the nb of possible threads,
since each section is compressed by a single thread.

It also introduces a prototype to set generic parameters,
ZSTDMT_setMTCtxParameter()

The idea is that it's possible to add enums
to extend the list of parameters that can be set this way.
This is more long-term oriented than a fixed-size struct.
Consider it as a test.
2017-01-24 17:08:53 -08:00
Yann Collet
3488a4a473 ZSTDMT now supports frame checksum 2017-01-24 11:48:40 -08:00
Przemyslaw Skibinski
96f152f708 improved ZSTD_compressBlock_opt_extDict_generic 2017-01-24 13:18:50 +01:00
Yann Collet
94364bf87a refactor ZSTDMT streaming flush code
now shared by both ZSTDMT_compressStream() and ZSTDMT_flushStream()
2017-01-23 11:50:44 -08:00
Yann Collet
1cbf251e43 ZSTDMT streaming : fall back to (regular) single thread mode
when nbThreads==1
2017-01-23 01:43:58 -08:00
Yann Collet
84581ff8d7 ZSTDMT_compressCCtx : fallback to single-thread mode when nbChunks==1 2017-01-23 01:20:27 -08:00