Stm32-FatFs-Gzip
zlib-ng
| Stm32-FatFs-Gzip | zlib-ng | |
|---|---|---|
| 3 | 13 | |
| 18 | 1,445 | |
| - | 1.2% | |
| 10.0 | 9.3 | |
| over 1 year ago | 8 days ago | |
| C | C | |
| Creative Commons Zero v1.0 Universal | zlib License |
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Stm32-FatFs-Gzip
zlib-ng
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Show HN: Pzip- blazing fast concurrent zip archiver and extractor
Please note that allowing for 2% bigger resulting file could mean huge speedup in these circumstances even with the same compression routines, seeing these benchmarks of zlib and zlib-ng for different compression levels:
https://github.com/zlib-ng/zlib-ng/discussions/871
IMO the fair comparison of the real speed improvement brought by a new program is only between the almost identical resulting compressed sizes.
- Intel QuickAssist Technology Zstandard Plugin for Zstandard
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Introducing zune-inflate: The fastest Rust implementation of gzip/Zlib/DEFLATE
It is much faster than miniz_oxide and all other safe-Rust implementations, and consistently beats even Zlib. The performance is roughly on par with zlib-ng - sometimes faster, sometimes slower. It is not (yet) as fast as the original libdeflate in C.
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Zlib Critical Vulnerability
Zlib-ng doesn't contain the same code, but it appears that their equivalent inflate() when used with their inflateGetHeader() implementation was affected by a similar problem: https://github.com/zlib-ng/zlib-ng/pull/1328
Also similarly, most client code will be unaffected because `state->head` will be NULL, because they (most client code) won't have used inflateGetHeader() at all.
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Git’s database internals II: commit history queries
I wonder if zlib-ng would make a difference, since it has a lot of optimizations for modern hardware.
https://github.com/zlib-ng/zlib-ng/discussions/871
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Computing Adler32 Checksums at 41 GB/s
zlib-ng also has adler32 implementations optimized for various architectures: https://github.com/zlib-ng/zlib-ng
Might be interesting to benchmark their implementation too to see how it compares.
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Convenient CPU feature detection and dispatch in the Magnum Engine
zlib-ng: https://github.com/zlib-ng/zlib-ng/blob/develop/functable.c
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games-emulation/dolphin-9999 is failing to build because devs switched to minizip-ng and zlib uses minizip. I'm not sure how to get it to build now, details in post.
(2) There are many packages that rely upon zlib and minizip and switching those underlying dependencies is easier said than done. We can't drop zlib completely and switch: "The idea of zlib-ng is not to replace zlib, but to co-exist as a drop-in replacement with a lower threshold for code change." - https://github.com/zlib-ng/zlib-ng
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Re: Zlib memory corruption on deflate (i.e. compress)
There are already active zlib forks (e.g. https://github.com/zlib-ng/zlib-ng), the problem is with having people move to them. It takes a lot of effort to move mindshare from the original version to a fork, there's some historical examples of it happening, but not a ton.
What are some alternatives?
tinf - Tiny inflate library (inflate, gzip, zlib)
zstd - Zstandard - Fast real-time compression algorithm
uzlib - Radically unbloated DEFLATE/zlib/gzip compression/decompression library. Can decompress any gzip/zlib data, and offers simplified compressor which produces gzip-compatible output, while requiring much less resources (and providing less compression ratio of course).
ZLib - A massively spiffy yet delicately unobtrusive compression library.
nflate - Naive implementation of DEFLATE in C for decompressing gzip files (RFC 1951, RFC 1952).
Minizip-ng - Fork of the popular zip manipulation library found in the zlib distribution.
zlib-ng - zlib replacement with optimizations for "next generation" systems. [Moved to: https://github.com/zlib-ng/zlib-ng]
libdeflate - Heavily optimized library for DEFLATE/zlib/gzip compression and decompression
jdeflate - DEFLATE compressor/decompressor implementation
brotli - Brotli compression format
compress - Optimized Go Compression Packages