LZ4
bzip3
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LZ4 | bzip3 | |
---|---|---|
21 | 12 | |
9,208 | 643 | |
1.8% | - | |
9.5 | 7.1 | |
1 day ago | 3 months ago | |
C | C | |
GNU General Public License v3.0 or later | GNU Lesser General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
LZ4
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Number sizes for LZ77 compression
LZ4 is a bit more complicated, but seems faster: https://github.com/lz4/lz4/blob/dev/doc/lz4_Block_format.md
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Rsyncing 20TB locally
According to these https://github.com/lz4/lz4 values you need around ten (10) quite modern cores in parallel to accomplish around 8GB/s.
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An Intro to Data Compression
The popular NoSQL database Cassandra utilizes a compression algorithm called LZ4 to reduce the footprint of data at rest. LZ4 is characterized by very fast compression speed at the cost of a higher compression ratio. This is a design choice that allows Cassandra to maintain high write throughput while also benefiting from compression in some capacity.
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Micron Unveils 24GB and 48GB DDR5 Memory Modules | AMD EXPO and Intel XMP 3.0 compatible
Yeah, sure, when you have monster core counts. on regular systems, not so much, here's from their own github page. it achieves, eh, 5GB/s on memory to memory transfers, i.e. best case scenario. so, uh, no? i'm not even sure it's any better than the CPU decompressor one Nvidia used.
- Cerbios Xbox Bios V2.2.0 BETA Released (1.0 - 1.6)
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zstd
> The downside of lz4 is that it can’t be configured to run at higher & slower compression ratios.
lz4 has some level of configurability? https://github.com/lz4/lz4/blob/v1.9.4/lib/lz4frame.h#L194
There's also LZ4_HC.
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Best archival/compression format for whole hard drives
Since nobody mentioned it, I'll add lz4 (https://github.com/lz4/lz4).
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I'm new to this
Get your bootloader unlocked via Download mode and then obtain your stock firmware, preferably for your current region https://samfw.com (Download mode: CARRIER_CODE). Get the boot image from AP with 7zip, unpack from LZ4 with https://github.com/lz4/lz4/releases (drag and drop), patch with Magisk https://github.com/topjohnwu/magisk/releases/latest, grab the new image, name it "boot.img" and pack it into a .tar with 7zip and flash to AP with odin https://odindownload.com
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An efficient image format for SDL
After some investigations and experiments, I found out that it was the PNG compression (well, decompression I should say) that took a while. So I've made some experiments using the LZ4 compression library, which is focused on decompression speed, and it turned out to be an excellent solution!
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how to root Samsung galaxy note 10 plus 5g(SM-N976B
Root with magisk: whether you use OneUI ≤3 or 4, patch the specific image needed for it (pre 4: boot, after 4: recovery) and flash it to the device. Boot it and enjoy root. https://github.com/lz4/lz4/releases can help extracting it from the AP tarball.
bzip3
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Bzip2 Format Specification [pdf]
Kamila Szewczyk is working on a bzip3 to improve the state-of-the-art in the domain of compressors based on Burrows-Wheeler:
https://github.com/kspalaiologos/bzip3
I’m keeping fingers crossed for the project. Especially given that the author is 19 and her best work is yet to come.
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In need of crazy compression
bzip3 : https://github.com/kspalaiologos/bzip3
- bzip3: A better and stronger spiritual successor to BZip2.
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There is BZip2 and now BZip3, but what about BZip1?
BZip3 repository.
- GitHub - kspalaiologos/bzip3: A better and stronger spiritual successor to BZip2.
- Bzip3 – a better and stronger spiritual successor to bzip2
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Hacker News top posts: May 10, 2022
Bzip3 – a better and stronger spiritual successor to bzip2\ (40 comments)
What are some alternatives?
zstd - Zstandard - Fast real-time compression algorithm
Snappy - A fast compressor/decompressor
brotli - Brotli compression format
paq8px - PAQ8PX compression archiver
LZMA - (Unofficial) Git mirror of LZMA SDK releases
mcm - MCM file compressor
ZLib - A massively spiffy yet delicately unobtrusive compression library.
Kornia - Geometric Computer Vision Library for Spatial AI
7-Zip-zstd - 7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard
Hacking-F117A - My investigation into mission generation in the Stealth Fighter games by Microprose.