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Author SHA1 Message Date
Yann Collet 44cd3c8451 disable asyncio during compression 
it's not helpful for performance, and can in some times be detrimental.
the synchronous mode is also much easier to follow and debug.
 2025-10-25 00:50:55 -07:00
Yann ColletandGitHub 6e58e9a2c4 Merge pull request #4509 from arpadpanyik-arm/revert_branch_opt 
AArch64: Revert previous branch optimization
 2025-10-18 10:10:55 -07:00
Arpad Panyik 0dffae42e3 AArch64: Remove 32-bit code from ZSTD_decodeSequence 
Remove the 32-bit code paths from the AArch64 only sections of
ZSTD_decodeSequence.
 2025-10-08 18:59:24 +00:00
Arpad Panyik 33618c89e5 AArch64: Revert previous branch optimization 
Revert a branch optimization that was based on an incorrect
assumption in the AArch64 part of ZSTD_decodeSequence. In extreme
cases the existing implementation could lead to data corruption.

Insert an UNLIKELY hint to guide the compilers toward generating more
efficient machine code.
 2025-10-08 18:58:45 +00:00
Yann ColletandGitHub 23dae4bf49 Merge pull request #4504 from rzikm/asm-conditional 
Make ASM language conditional at CMake configure time
 2025-10-06 23:39:28 -07:00
Radek Zikmund f94a01de74 Enable ASM language during CMake configure time only when needed 2025-10-02 14:40:11 +02:00
Yann ColletandGitHub b8d6101fba Merge pull request #4502 from zijianli1234/dev 
- Modify the GCC version used for CI testing of the RISCV architecture
 2025-09-30 12:35:40 -07:00
ZijianLi 87cc127705 - Modify the GCC version used for CI testing of the RISCV architecture 
- Fix a bug in the ZSTD_row_getRVVMask function
- Improve some performance for ZSTD_copy16()
 2025-09-26 22:34:57 +08:00
Yann ColletandGitHub f42dee27b6 Merge pull request #4500 from facebook/legacy01_init 
fix minor initialization warnings
 2025-09-24 22:46:05 -07:00
Yann Collet 17888b3fbe fix minor initialization warnings 2025-09-24 22:08:03 -07:00
Yann ColletandGitHub a8f732e50f Merge pull request #4498 from facebook/contentSize_doc 
update documentation of ZSTD_getFrameContentSize()
 2025-09-23 23:59:34 -07:00
Yann Collet c15fa3cd40 update documentation of ZSTD_getFrameContentSize() 
hopefully answering #4495
 2025-09-23 23:17:11 -07:00
Yann ColletandGitHub 89d685e42d Merge pull request #4497 from facebook/legacy_fix 
fix minor warning in legacy decoders
 2025-09-23 12:55:50 -08:00
Yann Collet 4c1f86c777 fix minor warning in legacy decoders 
for mingw + clang CI test
 2025-09-23 13:01:38 -07:00
Yann ColletandGitHub ee9b5f4371 Merge pull request #4490 from facebook/doc_profiling_vs 
minor: add profiling notes for Visual Studio
 2025-09-20 22:30:40 -08:00
Yann Collet 0c6d32df9a added profiling notes for Visual Studio 2025-09-20 22:13:49 -07:00
Yann ColletandGitHub f9b0c4fd0d Merge pull request #4489 from facebook/doc_install 
Added documentation details for Makefile installation and pkg-config.
 2025-09-20 21:04:35 -08:00
Yann Collet be072c708e Added documentation details for Makefile installation and pkg-config. 2025-09-20 16:33:41 +00:00
Yann ColletandGitHub 085cc9319a Merge pull request #4486 from rlefko/fix-pthread-init-memleak 
Fix memory leak in pthread init functions on failure
 2025-09-19 21:42:21 -08:00
Yann ColletandGitHub e6e5a95c15 Merge pull request #4487 from neiljohari/adhoc/dictionary-file-counting 
make DiB_fileStats skip invalid files (fileSize <= 0) to prevent negative totals and bogus allocation
 2025-09-19 21:42:06 -08:00
Yann ColletandGitHub d190b38863 Merge pull request #4481 from w1m024/support-rvv-getmask 
add RVV optimization for ZSTD_row_getMatchMask
 2025-09-16 13:55:11 -08:00
Neil Johari 236e44f00f Remove debug logging 2025-09-16 00:03:08 -07:00
Neil Johari 85f4a7e84e Fix bug 2025-09-16 00:02:04 -07:00
Neil Johari 96fdb9bd16 Add debug logging and simple repro 2025-09-15 23:58:45 -07:00
Ryan Lefkowitz c59812e558 🔧 Fix memory leak in pthread init functions on failure 
When pthread_mutex_init() or pthread_cond_init() fails in the debug
implementation (DEBUGLEVEL >= 1), the previously allocated memory was
not freed, causing a memory leak.

This fix ensures that allocated memory is properly freed when pthread
initialization functions fail, preventing resource leaks in error
conditions.

The issue affects:
- ZSTD_pthread_mutex_init() at lib/common/threading.c:146
- ZSTD_pthread_cond_init() at lib/common/threading.c:167

This is particularly important for long-running applications or
scenarios with resource constraints where pthread initialization
might fail due to system limits.
 2025-09-15 18:20:01 -04:00
w1m024andgong-flying fb7a86f20f Refactor ZSTD_row_getMatchMask for RVV optimization 
Performance (vs. SWAR)
- 16-byte data: 5.87x speedup
- 32-byte data: 9.63x speedup
- 64-byte data: 17.98x speedup

Co-authored-by: gong-flying <gongxiaofei24@iscas.ac.cn>
 2025-09-11 20:45:54 +00:00
w1m024andgong-flying c9d2cbd5ba add RVV optimization for ZSTD_row_getMatchMask 
Co-authored-by: gong-flying <gongxiaofei24@iscas.ac.cn>
 2025-09-09 06:20:55 +00:00
Yann ColletandGitHub 98d2b90e82 Merge pull request #4480 from facebook/dependabot/github_actions/github/codeql-action-3.30.1 
Bump github/codeql-action from 3.29.4 to 3.30.1
 2025-09-08 07:52:31 -07:00
Yann ColletandGitHub 683c91fca8 Merge pull request #4479 from facebook/dependabot/github_actions/msys2/setup-msys2-2.29.0 
Bump msys2/setup-msys2 from 2.28.0 to 2.29.0
 2025-09-08 07:51:17 -07:00
dependabot[bot]andGitHub ef4bab9079 Bump github/codeql-action from 3.29.4 to 3.30.1 
Bumps [github/codeql-action](https://github.com/github/codeql-action) from 3.29.4 to 3.30.1.
- [Release notes](https://github.com/github/codeql-action/releases)
- [Changelog](https://github.com/github/codeql-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/github/codeql-action/compare/4e828ff8d448a8a6e532957b1811f387a63867e8...f1f6e5f6af878fb37288ce1c627459e94dbf7d01)

---
updated-dependencies:
- dependency-name: github/codeql-action
  dependency-version: 3.30.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-09-08 05:06:48 +00:00
dependabot[bot]andGitHub d3536643a9 Bump msys2/setup-msys2 from 2.28.0 to 2.29.0 
Bumps [msys2/setup-msys2](https://github.com/msys2/setup-msys2) from 2.28.0 to 2.29.0.
- [Release notes](https://github.com/msys2/setup-msys2/releases)
- [Changelog](https://github.com/msys2/setup-msys2/blob/main/CHANGELOG.md)
- [Commits](https://github.com/msys2/setup-msys2/compare/40677d36a502eb2cf0fb808cc9dec31bf6152638...fb197b72ce45fb24f17bf3f807a388985654d1f2)

---
updated-dependencies:
- dependency-name: msys2/setup-msys2
  dependency-version: 2.29.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-09-08 05:06:40 +00:00
Yann ColletandGitHub 3580aa28e6 Merge pull request #4472 from bgilbert/override_dependency 
meson: Call `meson.override_dependency()` if Meson is new enough
 2025-09-05 15:32:16 -07:00
Yann ColletandGitHub 6936bc84e7 Merge pull request #4475 from Cyan4973/default_nbThreads 
Default nb threads
 2025-09-02 17:19:17 -07:00
Yann Collet 249e4a07d5 fixed minor unused variable warning 
in certain compilation modes
 2025-09-02 16:36:44 -07:00
Yann Collet 725a152c7b benchmark uses 1 thread by default 2025-09-02 16:29:14 -07:00
Yann Collet c41fc1aa01 only display nbThread Msg in nbThreads > 1 2025-09-02 16:05:35 -07:00
Yann Collet 6551db3459 specify nb of threads used during benchmarking 
used to require `-v` (verbose) modifier
 2025-09-02 15:53:45 -07:00
Yann Collet 1c5d45fc11 fixed -T# documentation in zstd -H 
provide the local value for default nbThreads
which is dynamic and depends on local nb of cores.
 2025-09-02 15:46:51 -07:00
Yann ColletandGitHub fc551317fb Merge pull request #4474 from jlokier/threads-doc-fix 
Update manual about the default value of `-T#`/`--threads=#`
 2025-09-02 15:40:32 -07:00
Jamie Lokier 64c4288e92 Update manual about the default value of -T#/--threads=# 
The section about `ZSTD_NBTHREADS` already explains the default number of
threads, since it changed from 1 (commit 17beeb5).  But the option description
for `-T#`/`--threads=#` incorrectly said the default was still 1.

I noticed this when I found compression slower with `-T1` than without it.
 2025-09-02 16:44:39 +01:00
Benjamin Gilbert ba59aeb674 meson: Call meson.override_dependency() if Meson is new enough 
This tells Meson that we intend libzstd_dep to be used by a parent project
if the parent looks for a dependency named "libzstd".  Without this, the
mapping from "libzstd" to our variable libzstd_dep must be encoded in the
Meson wrap file or in the parent's meson.build.
 2025-08-28 18:50:34 -05:00
Yann ColletandGitHub 22b4483163 Merge pull request #4469 from facebook/dependabot/github_actions/actions/setup-java-5.0.0 
Bump actions/setup-java from 4.7.1 to 5.0.0
 2025-08-25 09:07:01 -07:00
dependabot[bot]andGitHub 0ee187c540 Bump actions/setup-java from 4.7.1 to 5.0.0 
Bumps [actions/setup-java](https://github.com/actions/setup-java) from 4.7.1 to 5.0.0.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](https://github.com/actions/setup-java/compare/c5195efecf7bdfc987ee8bae7a71cb8b11521c00...dded0888837ed1f317902acf8a20df0ad188d165)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-version: 5.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-08-25 09:00:57 +00:00
Yann ColletandGitHub b5c294ea01 Merge pull request #4440 from arpadpanyik-arm/convert_seq_sve2 
AArch64: Add SVE2 path for convertSequences_noRepcodes
 2025-08-21 17:20:33 -07:00
Arpad Panyik 2849f3a5d1 AArch64: Add SVE2 path for convertSequences_noRepcodes 
Add an 8-way vector length agnostic (VLA) SVE2 code path for
convertSequences_noRepcodes. It works with any SVE vector length.

Relative performance to GCC-13 using: `./fullbench -b18 -l5 enwik5`

               Neon      SVE2
Neoverse-V2   before     after    uplift
GCC-13:      100.000%  103.209%   1.032x
GCC-14:      100.309%  134.872%   1.344x
GCC-15:      100.355%  134.827%   1.343x
Clang-18:    123.614%  128.565%   1.040x
Clang-19:    123.587%  132.984%   1.076x
Clang-20:    123.629%  133.023%   1.075x

               Neon      SVE2
Cortex-A720   before     after    uplift
GCC-13:      100.000%  116.032%   1.160x
GCC-14:       99.700%  116.648%   1.169x
GCC-15:      100.354%  117.047%   1.166x
Clang-18:    100.447%  116.762%   1.162x
Clang-19:    100.454%  116.627%   1.160x
Clang-20:    100.452%  116.649%   1.161x
 2025-08-21 17:37:41 +00:00
Yann ColletandGitHub 290e692ef8 Merge pull request #4463 from brad0/gnu_source_qsort 
Check for build environment instead of just _GNU_SOURCE
 2025-08-21 09:30:29 -07:00
Yann ColletandGitHub b3f134bfd4 Merge pull request #4465 from thiru-mcw/arm64_support 
WOA_support:: Add CI setup for packaging Windows on ARM artifacts
 2025-08-20 11:23:34 -07:00
Thirumalai Nagalingam 076283fa88 CI: Enable MSVC ARM64 job using Github WOA runner 
- Reintroduce the MSVC ARM64 build configuration with "Visual Studio 17 2022"
- Update runner to `windows-11-arm` (GitHub-hosted Windows on ARM)
 2025-08-20 17:19:48 +05:30
Thirumalai Nagalingam 002c227596 CI: Add CI setup for packaging Win-ARM64 artifacts 2025-08-20 17:12:21 +05:30
Thirumalai Nagalingam 42243c3d46 CI: Update build_package.bat for CMake builds 2025-08-20 17:12:05 +05:30