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mirror of https://github.com/facebook/zstd.git synced 2025-07-29 11:21:22 +03:00
Commit Graph

2017 Commits

Author SHA1 Message Date
2f8088f9df fixed one race scenario 2025-02-01 21:23:36 -08:00
8803d1497a switch to a single flush mutex+cond
which is transferred to the current oldest unfinished job.
2025-02-01 18:37:23 -08:00
5ef6e51e43 minor boundary change
improves compression ratio at low levels
2025-01-31 14:47:02 -08:00
78275149ea Added a final success message at end of tests
so that a human reading the test log can determine everything was fine without consulting the shell error code.

Also: made `make check` slightly shorter by moving one longer test to `make test`
2025-01-17 19:30:55 -08:00
8eb2587432 added benchmark for get1BlockSummary() 2025-01-15 17:11:27 -08:00
bfc58f5ba2 generalize validation function 2025-01-15 17:11:27 -08:00
d1f0e5fb97 fullbench can run a verification function
compressSequencesAndLiterals: fixed long lengths in scalar mode
2025-01-15 17:11:27 -08:00
886720442f initial implementation (incomplete)
needs to take care of long lengths > 65535
2025-01-15 17:11:27 -08:00
04a2a0219c update type names
naming convention: Type names should start with a Capital letter (after the prefix)
2024-12-29 14:25:33 -08:00
a2ff6ea784 improve ZSTD_getFrameHeader on skippable frames
now reports:
- the header size
- the magic variant (within @dictID field)
2024-12-29 12:26:04 -08:00
f8a2b352d6 clarify doc on Frame-level methods when invoked on a skippable frame
following discussion at #4226
2024-12-29 02:41:09 -08:00
72ce56b527 fixed another invalid scenario
compressSequencesAndLiterals() doesn't support sequence validation
2024-12-23 21:15:50 -08:00
7b294caf46 add one valid test case
ZSTD_compressSequencesAndLiterals() may return a specific error code
when data to compress is non-compressible.
2024-12-23 19:43:17 -08:00
f8725e80cc added fuzzer test for compressSequencesAndLiterals()
piggy-backing onto existing compressSequences() fuzzer test
2024-12-23 18:42:51 -08:00
b7a9e69d8d added parameter litCapacity
to ZSTD_compressSequencesAndLiterals()
to enforce the litCapacity >= litSize+8 condition.
2024-12-20 10:37:01 -08:00
52a9bc6fca fixed minor error in preparation of one fullbench scenario 2024-12-20 10:37:00 -08:00
ab0f1798e8 ensure that srcSize is controlled 2024-12-20 10:37:00 -08:00
a80f55f47d added a test for ZSTD_compressSequencesAndLiterals
checks that srcSize is present in the frame header
and bounds the window size.
2024-12-20 10:37:00 -08:00
0a54f6f288 ZSTD_compressSequencesAndLiterals requires srcSize as parameter
this makes it possible to adjust windowSize to its tightest.
2024-12-20 10:37:00 -08:00
ad023b392f fixed minor error in one benchmark scenario 2024-12-20 10:37:00 -08:00
12c47d3262 improved speed of the Sequences converter 2024-12-20 10:37:00 -08:00
95ad9e47ff added benchmark for ZSTD_convertBlockSequences_wBlockDelim() 2024-12-20 10:37:00 -08:00
61ac8311e0 attempt to silence Visual Studio warning about fopen() 2024-12-20 10:37:00 -08:00
f617e86b71 fixed incorrect assert 2024-12-20 10:37:00 -08:00
f0d0d95234 added tests
check that ZSTD_compressAndLiterals() also controls that the `srcSize` field is exact.
2024-12-20 10:37:00 -08:00
31b5ef2539 ZSTD_compressSequencesAndLiterals() now supports multi-blocks frames. 2024-12-20 10:36:59 -08:00
5164d44dab change advanced parameter name: ZSTD_c_repcodeResolution
and updated its documentation.
Note: older name ZSTD_c_searchForExternalRepcodes remains supported via #define
2024-12-20 10:36:59 -08:00
f176514467 minor doc update 2024-12-20 10:36:59 -08:00
f281497aef fullbench: new scenario: compressSequencesAndLiterals() 2024-12-20 10:36:59 -08:00
ac05ea89a5 fullbench: switch default generator to lorem ipsum
which creates more "realistic" scenarios than former compressible noise.

The legacy data generator remains accessible,
it is triggered when requesting an explicit compressibility factor (-P#).
2024-12-20 10:36:59 -08:00
8ab04097ed add the compressSequences() benchmark scenario 2024-12-20 10:36:59 -08:00
c050ae4fb8 fullbench: preparation functions are now in charge of allocating buffers 2024-12-20 10:36:59 -08:00
8b7e1b795d minor variable renaming 2024-12-20 10:36:59 -08:00
c540976a4b minor: test reordering 2024-12-20 10:36:59 -08:00
4c097b4939 refactor fullbench
to make it easier to add new scenarios
2024-12-20 10:36:58 -08:00
09964c6276 prepare fullbench for a refactor 2024-12-20 10:36:58 -08:00
0b013b2688 added unit tests to ZSTD_compressSequencesAndLiterals()
seems to work as expected,
correctly control that `litSize` and `srcSize` are exactly correct.
2024-12-20 10:36:58 -08:00
c97522f7fb codemod: ZSTD_sequenceFormat_e -> ZSTD_SequenceFormat_e
since it's a type name.

Note: in contrast with previous names, this one is on the Public API side.
So there is a #define, so that existing programs using ZSTD_sequenceFormat_e still work.
2024-12-20 10:36:56 -08:00
477a01067f codemod: symbolEncodingType_e -> SymbolEncodingType_e 2024-12-20 10:36:56 -08:00
a2245721ca codemod: seqStore_t -> SeqStore_t
same idea, SeqStore_t is a type name, it should start with a Capital letter.
2024-12-20 10:36:55 -08:00
9671813375 codemod: seqDef -> SeqDef
SeqDef is a type name, so it should start with a Capital letter.
It's an internal symbol, no impact on public API.
2024-12-20 10:36:55 -08:00
4a4786bef0 tests: fix non-regular file test on GNU/Hurd
Since commit b21b03ca6 [1] the behaviour of writes to /dev/zero has been
fixed and now the non-regular file removal test no longer needs to be
done on /dev/random (which no longer works as random is not writable now).

[1] https://git.savannah.gnu.org/cgit/hurd/hurd.git/commit/?id=b21b03ca624b89caeedfe58430cea4b40317d39f
2024-12-10 10:30:52 -03:00
bbaba45589 change experimental parameter name
from ZSTD_c_useBlockSplitter to ZSTD_c_splitAfterSequences.
2024-10-31 13:43:40 -07:00
4f93206d62 changed variable name to ZSTD_c_blockSplitterLevel
suggested by @terrelln
2024-10-29 11:12:09 -07:00
f593ccda04 removed trace left over 2024-10-28 16:57:01 -07:00
37706a677c added a test
test both that the new parameter works as intended,
and that the over-split protection works as intended
2024-10-28 16:31:15 -07:00
4e1a87976f update regression results 2024-10-25 16:33:00 -07:00
c63b5d2294 update regression results 2024-10-24 14:47:55 -07:00
ea082692aa added block splitter variant for greedy & lazy (levels 5 to 7) 2024-10-24 13:27:01 -07:00
70c77d20d6 update regression results
first block is no longer splitted since adding the @savings over-split protection
2024-10-24 11:43:16 -07:00