Zstd 1.5.1 Released With Even More Performance Improvements
Written by Michael Larabel in Free Software on 21 December 2021 at 03:00 AM EST. 39 Comments
FREE SOFTWARE --
Zstandard 1.5.1 is now available as the latest release of this widely-used data compression algorithm backed by Facebook that delivers on great performance. With the new release, performance is even better.

Zstd 1.5.1 is considered a "maintenance release" but brings with it even more performance improvements. Some of the Zstd 1.5.1 notable changes include:

- Speed improvements for the fast compression levels 1 through 4.

- Re-balancing of the middle-compression levels (5 through 12).

- Huffman code was improved upon much in various literal compression tests across varying compilers from gains of 23~49%/ Overall compression/decompression speeds should be at least a few percent. x86_64 BMI2-capable CPUs in particular should see nice speed-ups as well from additional targeted Assembly code.

- Lowering of the Zstd 1.5.1 binary size relative to Zstd 1.5.0.

- Various other maintenance items, fixes, and improvements.

More details on the Zstd 1.5.1 release via Facebook's GitHub.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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