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Author SHA1 Message Date
Nick Terrell
b09ec5c2b9 Remove MEM_STATIC_ASSERT and use DEBUG_STATIC_ASSERT instead 2020-09-24 15:51:04 -07:00
Nick Terrell
9009b59f09 [linux-kernel] Add missing semicolon in zstd_deps.h 2020-09-23 23:26:10 -07:00
Nick Terrell
9261476b7d [lib] Wrap customMem xor checks in parens for readability 
This clarifies operator precedence, and quiets cppcheck in
the Kernel Test Robot. I think this is a slight bonus to
readability, so I am accepting the suggestion.
 2020-09-23 23:26:07 -07:00
Nick Terrell
2fc1d50ee7
Merge pull request #2324 from terrelln/kernel-test-fix 
Silence warnings reported by Kernel Test Robot
 2020-09-23 15:01:56 -07:00
Nick Terrell
a70fa342f0 [CI][linux-kernel] Enable -Wunused-const-variable and -Wunused-but-set-variable 2020-09-23 12:59:57 -07:00
Nick Terrell
dec7fb03ec [lib] Silence -Wunused-const-variable warnings 2020-09-23 12:59:57 -07:00
Nick Terrell
978659d34f [linux-kernel] Fix unused variable warnings with malloc, calloc, and free 2020-09-23 12:59:57 -07:00
Nick Terrell
8170e3ca6d
Merge pull request #2320 from terrelln/test-fix 
[tests] Don't write to stdout
 2020-09-22 10:58:48 -07:00
Nick Terrell
973f2adeec [tests] Don't write to stdout 2020-09-22 00:40:27 -07:00
Felix Handte
200c960f1d
Merge pull request #2311 from felixhandte/ddss-fix-cparam-derivation 
Fix Compression Parameter Derivation Bugs Introduced by DDSS Changes
 2020-09-18 14:02:14 -04:00
Felix Handte
5870c47bc0
Merge pull request #2313 from felixhandte/fuzzer-separate-long-tests 
Separate Long Tests in Fuzzer
 2020-09-18 12:03:00 -04:00
W. Felix Handte
e991f9994d Run Long Tests in GitHub CI 2020-09-17 13:31:10 -04:00
W. Felix Handte
9398acb245 Move Last Two Long Tests in fuzzer.c into Separate --long-tests Section 2020-09-17 13:31:10 -04:00
W. Felix Handte
f23a321781 Update Regression Test Results 2020-09-17 12:23:05 -04:00
W. Felix Handte
8930c6e551 Use ZSTD_CCtxParams_init() to Init CCtxParams, not memset() 
Even if the discrepancies are at the moment benign, it's probably better to
standardize on using the one true initializer, rather than trying (and failing)
to correctly duplicate its behavior.
 2020-09-17 12:15:33 -04:00
W. Felix Handte
e8a44326fa Avoid Redundancy in ZSTD_initCDict_internal() Args; Don't Take CParams + CCtxParams 2020-09-17 12:08:36 -04:00
W. Felix Handte
eee51a664a Fall Back if Derived CParams are Incompatible with DDSS; Refactor CDict Creation 
Rewrite ZSTD_createCDict_advanced() as a wrapper around
ZSTD_createCDict_advanced2(). Evaluate whether to use DDSS mode *after* fully
resolving cparams. If not, fall back.
 2020-09-15 18:01:08 -04:00
W. Felix Handte
bc6521a6f6 Make ZSTD_createCDict_advanced2() cctxParams Arg Const 2020-09-15 14:06:10 -04:00
W. Felix Handte
26a96a5b35 Do More Complete CParams Deduction in Non-DDSS Path of ZSTD_createCDict_advanced2 
Call ZSTD_getCParamsFromCCtxParams() instead of ZSTD_getCParams_internal().
 2020-09-15 13:57:43 -04:00
W. Felix Handte
a2af804129 Pull CParam Override Logic into Helper 2020-09-15 13:38:05 -04:00
Nick Terrell
d96e98cfde
Merge pull request #2308 from terrelln/zstd-kernel 
[contrib][linux-kernel] Add decompress_sources.h
 2020-09-14 14:56:30 -07:00
Yann Collet
05622992d5
Merge pull request #2292 from senhuang42/multifile_status_update_fio_refactor 
Make multifile (de)compression print out a summary
 2020-09-14 14:06:26 -07:00
Yann Collet
e583e0be8c
Merge pull request #2299 from senhuang42/env_var_num_threads 
Allow environment variable to specify number of threads for compression
 2020-09-14 14:04:19 -07:00
Yann Collet
517956e67d
Merge pull request #2306 from facebook/check_endDirective 
check endDirective in ZSTD_compressStream2()
 2020-09-14 13:57:55 -07:00
Nick Terrell
5651fe9b49 [contrib][linux-kernel] Add decompress_sources.h 
Add decompress_sources.h, which includes all the decompression .c files.
This is used for kernel decompression.

Also, add a test which checks that including decompress_sources.h works.
 2020-09-14 12:49:23 -07:00
Yann Collet
dec1a78d3e minor fix casting for Visual 2020-09-14 11:46:23 -07:00
Yann Collet
c91a0855f8 check endDirective in ZSTD_compressStream2() 
fix #2297
also :
- `assert()` `endDirective` in `ZSTD_compressStream_internal()`, for debug mode
- add relevant tests
 2020-09-14 10:56:08 -07:00
Felix Handte
d903b552c8
Merge pull request #2295 from felixhandte/dedicated-dict-search-structure-chain 
DDSS for Lazy: Implement a Dedicated Dictionary Chain Table
 2020-09-11 01:39:23 -04:00
W. Felix Handte
d6246d4a0f Print More During Fuzzer Test to Avoid CI Killing it Due to Timeout 
This is kind of hacky. And maybe this test doesn't need to be permanently as
exhaustive as it is now. But while we're actively developing the DDSS, we
should ensure it's compatible across many different modes.
 2020-09-10 23:35:42 -04:00
W. Felix Handte
6d3f816b3e Test Fewer Dictionary Sizes 2020-09-10 22:30:52 -04:00
W. Felix Handte
b6df3fd438 Fix Debug Logging in 32-bit Build 2020-09-10 22:10:02 -04:00
W. Felix Handte
c5fab8848a Document searchFuncs Table 2020-09-10 22:10:02 -04:00
W. Felix Handte
85a95840e4 Further Consolidate Dict Mode Checks 2020-09-10 22:10:02 -04:00
W. Felix Handte
032010fcc1 Improve Documentation Slightly 2020-09-10 22:10:02 -04:00
W. Felix Handte
0faefbf1b3 Make DDSS Selection Override ForceCopy Directive 2020-09-10 22:10:02 -04:00
W. Felix Handte
2cc2b40a1b Test DDSS A Little More Thoroughly 2020-09-10 22:10:02 -04:00
W. Felix Handte
efa33861f2 Attempt to Fix MSVC Warnings 2020-09-10 22:10:02 -04:00
W. Felix Handte
ed43832770 Simplify Match Limit Checks 
Seems like a ~1.25% speedup.
 2020-09-10 22:10:02 -04:00
W. Felix Handte
06d240b8a7 Use All Available Space in the Hash Table to Extent Chain Table Reach 
Rather than restrict our temp chain table to 2 ** chainLog entries, this
commit uses all available space to reach further back to gather longer
chains to pack into the DDSS chain table.
 2020-09-10 22:10:02 -04:00
W. Felix Handte
b2b0641ea0 Rewrite Table Fill to Retain Cache Entries Beyond Chain Window 2020-09-10 22:10:02 -04:00
W. Felix Handte
916238d9dc Avoid Malloc in Table Fill; Pack Tmp Structure into Hash Table 2020-09-10 22:10:02 -04:00
W. Felix Handte
f42c5bddd9 Truncate Chain at Last Possible Attempt 
Make the chain table denser?
 2020-09-10 22:10:02 -04:00
W. Felix Handte
20a020edbc Prefetch Chain Table Matches 2020-09-10 22:10:02 -04:00
W. Felix Handte
9b9feb84f2 Lay Out Chain Table Chains Contiguously 
Rather than interleave all of the chain table entries, tying each entry's
position to the corresponding position in the input, this commit changes the
layout so that all the entries in a single chain are laid out next to each
other. The last entry in the hash table's bucket for this hash is now a packed
pointer of position + length of this chain.

This cannot be merged as written, since it allocates temporary memory inside
ZSTD_dedicatedDictSearch_lazy_loadDictionary().
 2020-09-10 22:10:02 -04:00
W. Felix Handte
66509c7bf4 Only Insert Positions Inside the Chain Window 2020-09-10 22:10:02 -04:00
W. Felix Handte
13c5ec3e41 Only Allow Dedicated Dict Search for Dicts Loaded in 1 Chunk 
The load algorithm requires we do it all in one go.
 2020-09-10 22:10:02 -04:00
Felix Handte
005ceaa052
Merge pull request #2276 from felixhandte/dedicated-dict-search-structure 
DDSS For Lazy: Implement a Dedicated Dictionary Hash Table
 2020-09-10 22:09:25 -04:00
W. Felix Handte
07793547e6 Fix Bug: Only Use DDSS Insertion on CDict MatchStates 
Previously, if DDSS was enabled on a CCtx and a dictionary was inserted into
the CCtx, the CCtx MatchState would be filled as a DDSS struct, causing
segfaults etc. This changes the check to use whether the MatchState is marked
as using the DDSS (which is only ever set for CDict MatchStates), rather than
looking at the CCtxParams.
 2020-09-10 18:51:52 -04:00
W. Felix Handte
d214d8c859 Shorten Dict Mode Conditionals in Order to Improve Readability 2020-09-10 18:51:52 -04:00
W. Felix Handte
f49c1563ff Force-Inline ZSTD_insertAndFindFirstIndex_internal() 
Without this, gcc was declining to inline the function in `ZSTD_noDict` mode,
resulting in a ~10% slowdown.
 2020-09-10 18:51:52 -04:00