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Author SHA1 Message Date
Yann Collet
33f4d40d1e fix a risk of overflow on a time counter on Windows 
closes #4126
 2025-03-23 11:42:41 -07:00
Yann Collet
6775af5b2e
Merge pull request #4341 from clan/pragma 
lib/zstd.h: don't put pragma after static
 2025-03-20 19:49:08 -07:00
Z. Liu
cd8ca9d92e lib/zstd.h: move pragma before static 
otherwise will cause dev-python/zstandard build failed when compiling with
clang as reported at https://bugs.gentoo.org/950259

the root cause is pycparser, which is unfixed since reported 2.5 years
ago, :(

Signed-off-by: Z. Liu <zhixu.liu@gmail.com>
 2025-03-20 03:40:42 +00:00
Yann Collet
eca205fc78
Merge pull request #4336 from Cyan4973/qsort_v2 
fix #4312 - musl compilation compatibility
 2025-03-12 10:31:54 -07:00
Yann Collet
4d53e27144 removed OpenBSD specificity 2025-03-12 09:55:14 -07:00
Yann Collet
ddcb41a282 updated documentation 2025-03-11 14:10:35 -07:00
Yann Collet
a9b8fef2e8 add support for C11 Annex K qsort_s() 
standard defined re-entrant variant of qsort().
Unfortunately, Annex K is optional.
 2025-03-11 14:10:35 -07:00
Yann Collet
dcf675886b re-design qsort() selection in cover 
centralizes auto detection tests,
then distribute the outcome in all the places where it's active.
 2025-03-11 14:10:35 -07:00
Yann Collet
51b6e79f65 fix #4312 
and upgraded the test so that it would fail, both at compile time and at run time, without the fix
 2025-03-11 14:10:35 -07:00
Yann Collet
9a57bdc0bd attempt to reduce length of long cli tests by invoking -T0 2025-03-11 14:10:35 -07:00
Nick Terrell
68dfd14a8c [linux] Opt out of row based match finder for the kernel 
The row based match finder is slower without SIMD. We used to detect the
presence of SIMD to set the lower bound to 17, but that breaks
determinism. Instead, specifically opt into it for the kernel, because
it is one of the rare cases that doesn't have SIMD support.
 2025-03-11 16:18:59 -04:00
Yann Collet
b27ba56a6d
Merge pull request #4335 from Cyan4973/dec_mt_warning 
warn when requesting decompression with multiple threads
 2025-03-11 11:51:15 -07:00
Yann Collet
19541b4d1a fix minor unused variable warning 2025-03-11 00:17:45 -07:00
Yann Collet
c583c2c39e warn when requesting decompression with multiple threads 
restore #2918 fix
 2025-03-10 22:50:00 -07:00
Yann Collet
f9a6031963
Merge pull request #4334 from Cyan4973/fix4332 
fix #4332: setting ZSTD_NBTHREADS=0 via environment variable
 2025-03-10 21:12:24 -08:00
Yann Collet
3c4096c83e fixed ShellCheck warning 2025-03-10 19:11:44 -07:00
Yann Collet
2ff87aefac fix FreeBSD 
use an alias instead of a function

also: added more traces and updated version nb to v1.5.8
 2025-03-10 19:04:41 -07:00
Yann Collet
c18374bb16 add test 
checks that ZSTD_NBTHREADS triggers the expected verbose message

Also: checked that the new test script fails on current `dev` branch, and is fixed by this branch
 2025-03-10 13:40:47 -07:00
Yann Collet
56e2ebf5c3 removed useless assert() 2025-03-10 09:54:06 -07:00
Yann Collet
d5986f235f fix #4332: setting ZSTD_NBTHREADS=0 via environment variables 2025-03-10 00:12:34 -07:00
Nick Terrell
b16d193512 [test] Add tests for determinism 
Run compression & validate the compressed file matches a known checksum.

To update the output run:

```
make -C tests update-cli-tests
```
 2025-03-07 10:31:19 -05:00
Nick Terrell
0de4991942 Add a method for checking if ZSTD was compiled with flags that impact determinism 2025-03-07 10:31:19 -05:00
Yann Collet
99cf130cfc
Merge pull request #4329 from Cyan4973/cmd_split 
New commands --split and --jobsize
 2025-03-05 07:46:04 -08:00
Nick Terrell
190a620974 [zstd] Remove global variables in dictBuilder 
D50949782 fixed a race condition updating `g_displayLevel` by disabling display.
Instead of disabling display, delete the global variable and always "capture" a local `displayLevel` variable.
This also fixes `DISPLAYUPDATE()` by requiring the user to pass in the last update time as the first parameter.
 2025-03-05 10:35:01 -05:00
Nick Terrell
d5b84f5a27 [zstd] Backport D49756856 2025-03-05 10:35:01 -05:00
Yann Collet
5e7d721235
Merge pull request #4327 from Cyan4973/win_artifacts 
Generate Zstandard binaries for Windows with lz4 support
 2025-03-04 16:08:01 -08:00
Yann Collet
5ae1cb9fa1 added a cli test for new command --jobsize 2025-03-04 15:24:43 -08:00
Yann Collet
f5a0e047cb fix typo 2025-03-04 15:12:35 -08:00
Yann Collet
0b40c513fd update fileio to employ jobSize 2025-03-04 14:55:25 -08:00
Yann Collet
0298df50f9 update cli-tests 2025-03-04 14:43:06 -08:00
Yann Collet
9b8b414833 updated playTests.sh to employ the new commands 2025-03-04 13:22:01 -08:00
Yann Collet
19ffcf81b8 changed -B# command into --jobsize 
to reduce confusion with the term "block".

-B# remains supported for existing scripts,
but it's no longer documented, so it's effectively a hidden shortcut.
 2025-03-04 13:17:10 -08:00
Yann Collet
fcfb3160dc convert benchmark unit to use the new naming scheme 
chunks instead of blocks
 2025-03-04 13:04:59 -08:00
Yann Collet
d5dbdd6ece changed command --blocksize into --split 
to reduce confusion with the concept of "blocks" inside a Zstandard frame.

We are now talking about "independent chunks" being produced by a `split` operation.

updated documentation accordingly.

Note: old commands "-B#` and `--blocksize=#` remain supported,
to maintain compatibility with existing scripts.
 2025-03-04 12:53:23 -08:00
Yann Collet
bceb8f2dbc attempt to no longer depend on system library presence for autodetection 
use explicit opt-in and path setting
 2025-03-03 17:20:43 -08:00
Yann Collet
9ec1a7c0ac update zstd build recipe to also support lz4 format 2025-03-03 15:36:38 -08:00
Yann Collet
7df457a51d
Merge pull request #4324 from facebook/dependabot/github_actions/actions/checkout-4 
Bump actions/checkout from 3 to 4
 2025-03-03 10:39:50 -08:00
Yann Collet
cab2a29c36
Update windows-artifacts.yml 
edit version comment
 2025-03-02 23:11:35 -08:00
Yann Collet
3c6c472f01
Update scorecards.yml 
edit version comment
 2025-03-02 23:11:08 -08:00
Yann Collet
46b2e05a33
Update publish-release-artifacts.yml 
fix version comment
 2025-03-02 23:10:09 -08:00
dependabot[bot]
83db5376d7
Bump actions/checkout from 3 to 4 
Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](https://github.com/actions/checkout/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-03-03 05:44:17 +00:00
Sergey Senozhatsky
0727fc5ff9 lib: zstd: export API needed for dictionary support 
Patch series "zram: introduce custom comp backends API", v7.

This series introduces support for run-time compression algorithms tuning,
so users, for instance, can adjust compression/acceleration levels and
provide pre-trained compression/decompression dictionaries which certain
algorithms support.

At this point we stop supporting (old/deprecated) comp API.  We may add
new acomp API support in the future, but before that zram needs to undergo
some major rework (we are not ready for async compression).

Some benchmarks for reference (look at column #2)

*** init zstd
/sys/block/zram0/mm_stat
1750659072 504622188 514355200        0 514355200        1        0    34204    34204

*** init zstd dict=/home/ss/zstd-dict-amd64
/sys/block/zram0/mm_stat
1750650880 465908890 475398144        0 475398144        1        0    34185    34185

*** init zstd level=8 dict=/home/ss/zstd-dict-amd64
/sys/block/zram0/mm_stat
1750654976 430803319 439873536        0 439873536        1        0    34185    34185

*** init lz4
/sys/block/zram0/mm_stat
1750646784 664266564 677060608        0 677060608        1        0    34288    34288

*** init lz4 dict=/home/ss/lz4-dict-amd64
/sys/block/zram0/mm_stat
1750650880 619990300 632102912        0 632102912        1        0    34278    34278

*** init lz4hc
/sys/block/zram0/mm_stat
1750630400 609023822 621232128        0 621232128        1        0    34288    34288

*** init lz4hc dict=/home/ss/lz4-dict-amd64
/sys/block/zram0/mm_stat
1750659072 505133172 515231744        0 515231744        1        0    34278    34278

Recompress
init zram zstd (prio=0), zstd level=5 (prio 1), zstd with dict (prio 2)

*** zstd
/sys/block/zram0/mm_stat
1750982656 504630584 514269184        0 514269184        1        0    34204    34204

*** idle recompress priority=1 (zstd level=5)
/sys/block/zram0/mm_stat
1750982656 488645601 525438976        0 514269184        1        0    34204    34204

*** idle recompress priority=2 (zstd dict)
/sys/block/zram0/mm_stat
1750982656 460869640 517914624        0 514269184        1        0    34185    34204

This patch (of 24):

We need to export a number of API functions that enable advanced zstd
usage - C/D dictionaries, dictionaries sharing between contexts, etc.

Link: https://lkml.kernel.org/r/20240902105656.1383858-1-senozhatsky@chromium.org
Link: https://lkml.kernel.org/r/20240902105656.1383858-2-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 2025-02-28 17:09:46 -05:00
Yann Collet
a9337e6739
Merge pull request #4321 from Cyan4973/win_artifacts 
Automate Windows Artifact generation and publication
 2025-02-28 12:35:06 -08:00
Yann Collet
e99be473a6 automatically upload windows artifact on Release Tag creation 2025-02-28 12:04:06 -08:00
Yann Collet
bbbb2379ed test win artifact generation on pushing to release 
this will get a chance to check that win artifact generation works correctly
before creating the release tag.
 2025-02-28 09:42:50 -08:00
Yann Collet
a6d232dcad avoid double zipping 2025-02-28 09:33:22 -08:00
Yann Collet
88100bc62f proper usage of standard variables 2025-02-27 16:59:40 -08:00
Yann Collet
4e1723a7e4 fixed the script so that it fails when a copy fails 
and also: fix the list of files, as `zdict.h` was incorrectly set.
 2025-02-27 16:18:44 -08:00
Yann Collet
7340657c6f update build_package.bat by using a subrouting 2025-02-27 16:18:44 -08:00
Yann Collet
77e58994d2 updated zlib version to more recent v1.3.1 2025-02-27 16:18:44 -08:00