tiny_jpeg.h
zstd
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| tiny_jpeg.h | zstd | |
|---|---|---|
| 0 | 88 | |
| 219 | 19,828 | |
| - | 2.3% | |
| 1.7 | 9.8 | |
| 7 months ago | 7 days ago | |
| C | C | |
| - | GNU General Public License v3.0 or later |
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tiny_jpeg.h
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zstd
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Float Compression 3: Filters
Interesting to match with the observations from the practice of using ClickHouse[1][2] for time series:
1. Reordering to SOA helps a lot - this is the whole point of column-oriented databases.
2. Specialized codecs like Gorilla[3], DoubleDelta[4], and FPC[5] lose to simply using ZSTD[6] compression in most cases, both in compression ratio and in performance.
3. Specialized time-series DBMS like InfluxDB or TimescaleDB lose to general-purpose relational OLAP DBMS like ClickHouse [7][8][9].
[1] https://clickhouse.com/blog/optimize-clickhouse-codecs-compr...
[2] https://github.com/ClickHouse/ClickHouse
[3] https://clickhouse.com/docs/en/sql-reference/statements/crea...
[4] https://clickhouse.com/docs/en/sql-reference/statements/crea...
[5] https://clickhouse.com/docs/en/sql-reference/statements/crea...
[6] https://github.com/facebook/zstd/
[7] https://arxiv.org/pdf/2204.09795.pdf "SciTS: A Benchmark for Time-Series Databases in Scientific Experiments and Industrial Internet of Things" (2022)
[8] https://gitlab.com/gitlab-org/incubation-engineering/apm/apm... https://gitlab.com/gitlab-org/incubation-engineering/apm/apm...
[9] https://www.sciencedirect.com/science/article/pii/S187705091...
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We're wasting money by only supporting gzip for raw DNA files
zstd has a long range mode, which lets it find redundancies a gigabyte away. Try --long and --long=31 for very long range mode.
zstd has delta / patch mode, which creates a file that stores the "patch" to create a new file from an old (reference) file. See https://github.com/facebook/zstd/wiki/Zstandard-as-a-patchin...
See the man page: https://github.com/facebook/zstd/blob/dev/programs/zstd.1.md
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Decompressing the ZST files on Windows tips
So I downloaded the Facebook tool https://github.com/facebook/zstd
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zstd
They have a nice table on that page: https://github.com/facebook/zstd#benchmarks
Looking at that table, I think LZ4 is a winner. The compression ratio is not too far, compression speed is slightly faster, decompression speed is significantly faster, the code is much simpler so the compiled binary is smaller, and the project is unrelated to Facebook.
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The checklist: Monitoring for Economy
In some cases, zstd can offer up to a 30% reduction in compressed storage as compared to other compression mechanisms. Learn more about zstd here.
- Documentation is such an important habit but there are little to no examples showing HOW to format or even do documentation. How would you explain or demonstrate your method of documentation?
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A Hidden Gem: Two Ways to Improve AWS Fargate Container Launch Times
Know that container image builders and container runtimes also support an alternative compression algorithm for image layers: zstd. Benchmarks show that zstd can achieve higher compression ratios and higher decompression speeds than the gzip compression algorithm. AWS internal testing of zstd compressed container images on AWS Fargate has shown up to a 27% reduction in Amazon ECS Task or Kubernetes Pod startup times.
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Tip for vastly improved gaming experience
gzip is still a mildly unfortunate choice of compression for something in 2022. Here it is compared with zstd on my latest save:
What are some alternatives?
Snappy - A fast compressor/decompressor
LZ4 - Extremely Fast Compression algorithm
LZMA - (Unofficial) Git mirror of LZMA SDK releases
7-Zip-zstd - 7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard
ZLib - A massively spiffy yet delicately unobtrusive compression library.
brotli - Brotli compression format
LZFSE - LZFSE compression library and command line tool
zlib - Cloudflare fork of zlib with massive performance improvements
zfs - OpenZFS on Linux and FreeBSD
zlib-ng - zlib replacement with optimizations for "next generation" systems.
LZHAM - Lossless data compression codec with LZMA-like ratios but 1.5x-8x faster decompression speed, C/C++
haproxy - HAProxy Load Balancer's development branch (mirror of git.haproxy.org)