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git.ipfire.org Git - thirdparty/zstd.git/log
Stella Lau [Thu, 20 Jul 2017 00:24:09 +0000 (17:24 -0700)]
Fix off-by-one in size calculations
Stella Lau [Wed, 19 Jul 2017 23:56:28 +0000 (16:56 -0700)]
Minor refactoring
Stella Lau [Wed, 19 Jul 2017 21:14:26 +0000 (14:14 -0700)]
Experiment with integrating ZSTD_count with findBestMatch
Stella Lau [Wed, 19 Jul 2017 01:35:25 +0000 (18:35 -0700)]
Avoid recounting match lengths with ZSTD_count
Stella Lau [Wed, 19 Jul 2017 01:05:10 +0000 (18:05 -0700)]
Switch to using ZSTD_count instead of function pointer
Stella Lau [Tue, 18 Jul 2017 21:25:39 +0000 (14:25 -0700)]
Make the meaning of LDM_MEMORY_USAGE consistent across tables
Stella Lau [Tue, 18 Jul 2017 01:13:09 +0000 (18:13 -0700)]
Experiment with using a lag when hashing
Stella Lau [Mon, 17 Jul 2017 22:17:32 +0000 (15:17 -0700)]
Remove version archive
Stella Lau [Mon, 17 Jul 2017 22:16:58 +0000 (15:16 -0700)]
Add function to get valid entries only from table
Stella Lau [Mon, 17 Jul 2017 18:53:54 +0000 (11:53 -0700)]
Add basic chaining table
Stella Lau [Sat, 15 Jul 2017 00:17:00 +0000 (17:17 -0700)]
Decouple hash table from compression function
Stella Lau [Fri, 14 Jul 2017 21:27:55 +0000 (14:27 -0700)]
Move hash table access for own functions
Stella Lau [Fri, 14 Jul 2017 19:31:01 +0000 (12:31 -0700)]
Add more statistics
Stella Lau [Fri, 14 Jul 2017 18:00:20 +0000 (11:00 -0700)]
Add percentages to offset histogram
Stella Lau [Fri, 14 Jul 2017 17:52:03 +0000 (10:52 -0700)]
Add offset histogram
Stella Lau [Thu, 13 Jul 2017 23:16:31 +0000 (16:16 -0700)]
[ldm] Minor refactoring
Stella Lau [Thu, 13 Jul 2017 22:29:41 +0000 (15:29 -0700)]
Add min/max offset to stats
Stella Lau [Thu, 13 Jul 2017 21:39:35 +0000 (14:39 -0700)]
[ldm] Make some functions shared
Stella Lau [Thu, 13 Jul 2017 20:44:48 +0000 (13:44 -0700)]
[ldm] Switch to using lib/common/mem.h and move typedefs to ldm.h
Summary:
Test Plan:
Reviewers:
Subscribers:
Tasks:
Tags:
Blame Revision:
Stella Lau [Thu, 13 Jul 2017 18:45:00 +0000 (11:45 -0700)]
[ldm] Remove old main files
Stella Lau [Thu, 13 Jul 2017 17:38:19 +0000 (10:38 -0700)]
[ldm] Add TODO and comment for segfaulting in compress function
Stella Lau [Thu, 13 Jul 2017 01:47:26 +0000 (18:47 -0700)]
[ldm] Add CHAR_OFFSET in hash function and extend header size
Stella Lau [Wed, 12 Jul 2017 23:31:31 +0000 (16:31 -0700)]
[ldm] Clean up versions
Stella Lau [Wed, 12 Jul 2017 22:11:06 +0000 (15:11 -0700)]
[ldm] Clean up code
Stella Lau [Wed, 12 Jul 2017 17:53:19 +0000 (10:53 -0700)]
Fix sumToHash to use hash space more efficiently
Stella Lau [Wed, 12 Jul 2017 16:50:24 +0000 (09:50 -0700)]
Minor fix for non-rolling hash
Stella Lau [Wed, 12 Jul 2017 16:47:00 +0000 (09:47 -0700)]
Switch to using rolling hash only
Stella Lau [Wed, 12 Jul 2017 01:13:26 +0000 (18:13 -0700)]
Update rolling hash
Stella Lau [Tue, 11 Jul 2017 16:23:44 +0000 (09:23 -0700)]
Save v3
Stella Lau [Tue, 11 Jul 2017 05:27:43 +0000 (22:27 -0700)]
Add rolling hash
Stella Lau [Mon, 10 Jul 2017 22:48:47 +0000 (15:48 -0700)]
Clean up and refactor compress function
Stella Lau [Mon, 10 Jul 2017 20:08:19 +0000 (13:08 -0700)]
Add warning flags to makefile and clean up code to remove warnings
Stella Lau [Mon, 10 Jul 2017 19:38:27 +0000 (12:38 -0700)]
Add compression context
Stella Lau [Mon, 10 Jul 2017 14:38:09 +0000 (07:38 -0700)]
Add LDM_DCtx
Stella Lau [Mon, 10 Jul 2017 13:50:49 +0000 (06:50 -0700)]
Minor refactoring
Stella Lau [Mon, 10 Jul 2017 13:32:46 +0000 (06:32 -0700)]
Merge branch 'ldm' of https://github.com/stellamplau/zstd into ldm
Stella Lau [Mon, 10 Jul 2017 13:32:29 +0000 (06:32 -0700)]
Minor refactoring
Stella Lau [Mon, 10 Jul 2017 13:32:05 +0000 (06:32 -0700)]
Add folder for old versions
Stella Lau [Mon, 10 Jul 2017 05:45:54 +0000 (22:45 -0700)]
Update mainfile
Stella Lau [Sat, 8 Jul 2017 00:09:28 +0000 (17:09 -0700)]
Add compression statistics
Stella Lau [Fri, 7 Jul 2017 21:52:40 +0000 (14:52 -0700)]
[ldm] Update to hash every position
Stella Lau [Fri, 7 Jul 2017 21:14:01 +0000 (14:14 -0700)]
Fix offset overflow bug
Stella Lau [Fri, 7 Jul 2017 19:44:29 +0000 (12:44 -0700)]
Add header with compress and decompress size
Stella Lau [Thu, 6 Jul 2017 23:47:08 +0000 (16:47 -0700)]
Update compressor and decompressor
Stella Lau [Thu, 6 Jul 2017 22:23:15 +0000 (15:23 -0700)]
Add simple compress and decompress functions
Stella Lau [Thu, 6 Jul 2017 14:30:49 +0000 (07:30 -0700)]
Switch to mmapping files
Stella Lau [Wed, 5 Jul 2017 20:57:07 +0000 (13:57 -0700)]
Initial long distance matcher commit
Yann Collet [Wed, 5 Jul 2017 02:33:16 +0000 (19:33 -0700)]
fixed wrong assert() condition
A single job created by ZSTDMT_compress() can be < 256KB
if data to compress is < 256 KB
(in which case it is delegated to single thread mode)
Yann Collet [Tue, 4 Jul 2017 19:39:26 +0000 (12:39 -0700)]
more precise estimation of amount to flush at end of stream (single thread mode)
also : can use DEBUGLEVEL variable in /tests
Yann Collet [Tue, 4 Jul 2017 17:36:41 +0000 (10:36 -0700)]
fixed : 0-copy in NULL is UB
Yann Collet [Tue, 4 Jul 2017 04:26:38 +0000 (21:26 -0700)]
Merge pull request #743 from facebook/fullbench
compress_generic() automatic optimization opportunities
Yann Collet [Tue, 4 Jul 2017 01:15:13 +0000 (18:15 -0700)]
Merge pull request #747 from facebook/noExit
No exit() on decoding errors
Yann Collet [Mon, 3 Jul 2017 23:23:36 +0000 (16:23 -0700)]
refactor ZSTDMT_compress()
Yann Collet [Mon, 3 Jul 2017 22:52:19 +0000 (15:52 -0700)]
fixed comments
Yann Collet [Mon, 3 Jul 2017 22:21:24 +0000 (15:21 -0700)]
fixed wrong function name in comment
Yann Collet [Mon, 3 Jul 2017 22:15:20 +0000 (15:15 -0700)]
Merge pull request #745 from terrelln/libfuzzer
[fuzz] Add libFuzzer targets
Yann Collet [Mon, 3 Jul 2017 22:14:55 +0000 (15:14 -0700)]
minor code refactoring
Yann Collet [Mon, 3 Jul 2017 20:47:46 +0000 (13:47 -0700)]
fixed gz error reporting
Yann Collet [Mon, 3 Jul 2017 20:45:09 +0000 (13:45 -0700)]
gzip : only display inflateEnd error when there is no error before
Yann Collet [Mon, 3 Jul 2017 20:31:27 +0000 (13:31 -0700)]
Merge pull request #746 from terrelln/dev
[libzstd] Fix memcpy() on potential NULL source
Yann Collet [Mon, 3 Jul 2017 20:24:50 +0000 (13:24 -0700)]
gzip decoding does no longer exit() on invalid input
Nick Terrell [Mon, 3 Jul 2017 19:40:12 +0000 (12:40 -0700)]
[fuzz] Move from fuzz/ to tests/fuzz/
Nick Terrell [Mon, 3 Jul 2017 19:31:55 +0000 (12:31 -0700)]
[libzstd] Fix memcpy() on potential NULL source
* `ZSTD_decompressStream_generic()` `ip` may be `NULL` for one of the calls
to `memcpy()`
* Assert the source is not `NULL` for calls to `memcpy()` where I believe
the source should not be `NULL`.
Yann Collet [Mon, 3 Jul 2017 18:27:29 +0000 (11:27 -0700)]
decoding malformed lz4 frames does no longer exit()
Yann Collet [Mon, 3 Jul 2017 17:27:16 +0000 (10:27 -0700)]
fileio : decoding malformed lzma frame does no longer exit()
makes it possible to continue decoding file list
Yann Collet [Sat, 1 Jul 2017 16:09:34 +0000 (09:09 -0700)]
fixed legacy version init bug
cyan4973 [Sat, 1 Jul 2017 15:03:59 +0000 (08:03 -0700)]
blindfix : fullbench's one-time leak, detected by valgrind
cyan4973 [Sat, 1 Jul 2017 14:05:11 +0000 (07:05 -0700)]
added --show-leak-kind=all to valgrind tests
cyan4973 [Sat, 1 Jul 2017 14:01:08 +0000 (07:01 -0700)]
Merge branch 'dev' into fullbench
cyan4973 [Sat, 1 Jul 2017 13:59:24 +0000 (06:59 -0700)]
fix : ZSTDMT_compressStream_generic() can accept NULL input
also : converge implementations towards new version of ZSTDMT_compressStream_generic()
Yann Collet [Sat, 1 Jul 2017 12:58:33 +0000 (05:58 -0700)]
Merge pull request #744 from terrelln/dev
[pzstd] Remove appveyor tests
Nick Terrell [Thu, 29 Jun 2017 23:53:52 +0000 (16:53 -0700)]
[fuzz] Add libFuzzer targets
* The regression driver serves both as a regression test, and as a binary for afl-fuzz.
* Next, we want to check in a seed corpus for each target. Then we can run the regression
test binary on them on Travis or Circle CI.
Nick Terrell [Fri, 30 Jun 2017 23:31:11 +0000 (16:31 -0700)]
[pzstd] Remove appveyor tests
The appveyor tests sometimes hang, and pzstd is now deprecated in favor of
zstdmt, so delete the tests.
Nick Terrell [Fri, 30 Jun 2017 23:29:37 +0000 (16:29 -0700)]
[man] Specify that strategies start at 1
Yann Collet [Fri, 30 Jun 2017 23:01:02 +0000 (16:01 -0700)]
fixed : dictionary compression with new advanced API in Multi-threading mode
Yann Collet [Fri, 30 Jun 2017 22:44:57 +0000 (15:44 -0700)]
Optimized ZSTDMT single-pass mode speed on large sources
by ensuring job sizes remain "not too large"
Yann Collet [Fri, 30 Jun 2017 21:51:01 +0000 (14:51 -0700)]
implemented shortcut for zstd_compress_generic() in MT mode
added ZSTDMT_compress_advanced() API
Yann Collet [Fri, 30 Jun 2017 21:50:23 +0000 (14:50 -0700)]
Merge pull request #742 from stellamplau/stack-space
Reduce stack usage of HUF_readDTableX4 and HUF_readDTableX2
Stella Lau [Fri, 30 Jun 2017 19:56:24 +0000 (12:56 -0700)]
Fix typo
Stella Lau [Fri, 30 Jun 2017 19:53:56 +0000 (12:53 -0700)]
Add comment to HUF_DECOMPRESS_WORKSPACE_SIZE
Stella Lau [Fri, 30 Jun 2017 16:52:20 +0000 (09:52 -0700)]
Clarify typedef of rankVal_t and rankValCol_t
Stella Lau [Fri, 30 Jun 2017 16:38:11 +0000 (09:38 -0700)]
Rename ALIGN and ALIGN_MASK to HUF_ALIGN and HUF_ALIGN_MASK
cyan4973 [Fri, 30 Jun 2017 02:59:37 +0000 (19:59 -0700)]
fixed Visual compilation of fullbench-dll
Yann Collet [Fri, 30 Jun 2017 01:56:24 +0000 (18:56 -0700)]
made fullbench compatible with multi-threading
fullbench 61/62 measure speed of ZSTD_compress_generic with 2 threads
Yann Collet [Fri, 30 Jun 2017 01:19:09 +0000 (18:19 -0700)]
zstreamtest : big tests are only enabled in 64-bits mode
to avoid requesting too much memory in 32-bits mode during MT tests
Stella Lau [Thu, 29 Jun 2017 23:22:32 +0000 (16:22 -0700)]
Delegate HUF_decompress4X_hufOnly to workspace version
Stella Lau [Thu, 29 Jun 2017 22:40:49 +0000 (15:40 -0700)]
Fix bitshift error
Yann Collet [Thu, 29 Jun 2017 21:48:32 +0000 (14:48 -0700)]
Merge pull request #741 from facebook/promotion
ZSTD_getFrameContentSize() promoted to "stable" status
Yann Collet [Thu, 29 Jun 2017 21:44:49 +0000 (14:44 -0700)]
compression optimization opportunity
switch to single-pass mode directly into output buffer
when outputSize >= ZSTD_compressBound(inputSize).
Speed gains observed with fullbench (~+15% on level 1)
Stella Lau [Thu, 29 Jun 2017 20:04:15 +0000 (13:04 -0700)]
Fix pointer casting warning
Yann Collet [Thu, 29 Jun 2017 20:03:10 +0000 (13:03 -0700)]
updated fullbench to also measure ZSTD_compress_generic()
will make it possible to visualize
optimization opportunity for ZSTD_e_end
Stella Lau [Thu, 29 Jun 2017 19:39:34 +0000 (12:39 -0700)]
Fix alignment warnings with pointer casting
Stella Lau [Thu, 29 Jun 2017 18:49:59 +0000 (11:49 -0700)]
Reduce stack usage of HUF_readDTableX4 and HUF_readDTableX2
Yann Collet [Thu, 29 Jun 2017 18:31:40 +0000 (11:31 -0700)]
minor : fix typo
Yann Collet [Thu, 29 Jun 2017 18:30:31 +0000 (11:30 -0700)]
minor : specify compression level in tags
Yann Collet [Thu, 29 Jun 2017 18:01:28 +0000 (11:01 -0700)]
Merge pull request #738 from terrelln/lk-div
[linux-kernel] Update patches for v2
Yann Collet [Thu, 29 Jun 2017 12:18:09 +0000 (05:18 -0700)]
ZSTD_getFrameContentSize() is promoted to "stable" status
Yann Collet [Thu, 29 Jun 2017 11:36:03 +0000 (04:36 -0700)]
Merge pull request #739 from facebook/refPrefix
ZSTD_refPrefix
Nick Terrell [Tue, 27 Jun 2017 01:33:04 +0000 (18:33 -0700)]
[linux-kernel] Update patches for v2
* Reduce stack usage of many zstd functions, none use over 388 B anymore.
* Remove an incorrect `const` in `xxhash`.
Yann Collet [Thu, 29 Jun 2017 03:25:36 +0000 (20:25 -0700)]
Merge pull request #736 from terrelln/cover-default-api
[zdict] Make COVER the default algorithm