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chore(deps): update dependency com_github_facebook_zstd to v1.5.6 #627

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merged 1 commit into from
Mar 27, 2024

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@renovate renovate bot commented Mar 27, 2024

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This PR contains the following updates:

Package Type Update Change
com_github_facebook_zstd http_archive patch v1.5.5 -> v1.5.6

Release Notes

facebook/zstd (com_github_facebook_zstd)

v1.5.6: Zstandard v1.5.6 - Chrome Edition

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This release highlights the deployment of Google Chrome 123, introducing zstd-encoding for Web traffic, introduced as a preferable option for compression of dynamic contents. With limited web server support for zstd-encoding due to its novelty, we are launching an updated Zstandard version to facilitate broader adoption.

New stable parameter ZSTD_c_targetCBlockSize

Using zstd compression for large documents over the Internet, data is segmented into smaller blocks of up to 128 KB, for incremental updates. This is crucial for applications like Chrome that process parts of documents as they arrive. However, on slow or congested networks, there can be some brief unresponsiveness in the middle of a block transmission, delaying update. To mitigate such scenarios, libzstd introduces the new parameter ZSTD_c_targetCBlockSize, enabling the division of blocks into even smaller segments to enhance initial byte delivery speed. Activating this feature incurs a cost, both runtime (equivalent to -2% speed at level 8) and a slight compression efficiency decrease (<0.1%), but offers some interesting latency reduction, notably beneficial in areas with less powerful network infrastructure.

Granular binary size selection

libzstd provides build customization, including options to compile only the compression or decompression modules, minimizing binary size. Enhanced in v1.5.6 (source), it now allows for even finer control by enabling selective inclusion or exclusion of specific components within these modules. This advancement aids applications needing precise binary size management.

Miscellaneous Enhancements

This release includes various minor enhancements and bug fixes to enhance user experience. Key updates include an expanded list of recognized compressed file suffixes for the --exclude-compressed flag, improving efficiency by skipping presumed incompressible content. Furthermore, compatibility has been broadened to include additional chipsets (sparc64, ARM64EC, risc-v) and operating systems (QNX, AIX, Solaris, HP-UX).

Change Log

api: Promote ZSTD_c_targetCBlockSize to Stable API by @​felixhandte
api: new experimental ZSTD_d_maxBlockSize parameter, to reduce streaming decompression memory, by @​terrelln
perf: improve performance of param ZSTD_c_targetCBlockSize, by @​Cyan4973
perf: improved compression of arrays of integers at high compression, by @​Cyan4973
lib: reduce binary size with selective built-time exclusion, by @​felixhandte
lib: improved huffman speed on small data and linux kernel, by @​terrelln
lib: accept dictionaries with partial literal tables, by @​terrelln
lib: fix CCtx size estimation with external sequence producer, by @​embg
lib: fix corner case decoder behaviors, by @​Cyan4973 and @​aimuz
lib: fix zdict prototype mismatch in static_only mode, by @​ldv-alt
lib: fix several bugs in magicless-format decoding, by @​embg
cli: add common compressed file types to --exclude-compressed by @​daniellerozenblit (requested by @​dcog989)
cli: fix mixing -c and -o commands with --rm, by @​Cyan4973
cli: fix erroneous exclusion of hidden files with --output-dir-mirror by @​felixhandte
cli: improved time accuracy on BSD, by @​felixhandte
cli: better errors on argument parsing, by @​KapJI
tests: better compatibility with older versions of grep, by @​Cyan4973
tests: lorem ipsum generator as default content generator, by @​Cyan4973
build: cmake improvements by @​terrelln, @​sighingnow, @​gjasny, @​JohanMabille, @​Saverio976, @​gruenich, @​teo-tsirpanis
build: bazel support, by @​jondo2010
build: fix cross-compiling for AArch64 with lld by @​jcelerier
build: fix Apple platform compatibility, by @​nidhijaju
build: fix Visual 2012 and lower compatibility, by @​Cyan4973
build: improve win32 support, by @​DimitriPapadopoulos
build: better C90 compliance for zlibWrapper, by @​emaste
port: make: fat binaries on macos, by @​mredig
port: ARM64EC compatibility for Windows, by @​dunhor
port: QNX support by @​klausholstjacobsen
port: MSYS2 and Cygwin makefile installation and test support, by @​QBos07
port: risc-v support validation in CI, by @​Cyan4973
port: sparc64 support validation in CI, by @​Cyan4973
port: AIX compatibility, by @​likema
port: HP-UX compatibility, by @​likema
doc: Improved specification accuracy, by @​elasota
bug: Fix and deprecate ZSTD_generateSequences (#​3981), by @​terrelln

Full change list (auto-generated)

New Contributors

Full Changelog: facebook/zstd@v1.5.5...v1.5.6


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This PR has been generated by Mend Renovate. View repository job log here.

@renovate renovate bot requested a review from a team March 27, 2024 01:45
@anakinxc anakinxc merged commit 93a0e95 into main Mar 27, 2024
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@anakinxc anakinxc deleted the renovate/com_github_facebook_zstd-1.x branch March 27, 2024 02:21
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