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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/README.md b/README.md index 3755315ad6889..58c9ab02ce9bd 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,4 @@ -<p align="center"><img src="https://raw.githubusercontent.com/facebook/zstd/readme/doc/images/zstd_logo86.png" alt="Zstandard"></p> +<p align="center"><img src="https://raw.githubusercontent.com/facebook/zstd/dev/doc/images/zstd_logo86.png" alt="Zstandard"></p> __Zstandard__, or `zstd` as short version, is a fast lossless compression algorithm, targeting real-time compression scenarios at zlib-level and better compression ratios. @@ -21,24 +21,25 @@ Development branch status : [![Build Status][travisDevBadge]][travisLink] [![B ### Benchmarks For reference, several fast compression algorithms were tested and compared -on a server running Linux Debian (`Linux version 4.8.0-1-amd64`), +on a server running Linux Debian (`Linux version 4.14.0-3-amd64`), with a Core i7-6700K CPU @ 4.0GHz, using [lzbench], an open-source in-memory benchmark by @inikep -compiled with GCC 6.3.0, +compiled with [gcc] 7.3.0, on the [Silesia compression corpus]. [lzbench]: https://github.com/inikep/lzbench [Silesia compression corpus]: http://sun.aei.polsl.pl/~sdeor/index.php?page=silesia +[gcc]: https://gcc.gnu.org/ | Compressor name | Ratio | Compression| Decompress.| | --------------- | ------| -----------| ---------- | -| **zstd 1.1.3 -1** | 2.877 | 430 MB/s | 1110 MB/s | -| zlib 1.2.8 -1 | 2.743 | 110 MB/s | 400 MB/s | -| brotli 0.5.2 -0 | 2.708 | 400 MB/s | 430 MB/s | +| **zstd 1.3.4 -1** | 2.877 | 470 MB/s | 1380 MB/s | +| zlib 1.2.11 -1 | 2.743 | 110 MB/s | 400 MB/s | +| brotli 1.0.2 -0 | 2.701 | 410 MB/s | 430 MB/s | | quicklz 1.5.0 -1 | 2.238 | 550 MB/s | 710 MB/s | | lzo1x 2.09 -1 | 2.108 | 650 MB/s | 830 MB/s | -| lz4 1.7.5 | 2.101 | 720 MB/s | 3600 MB/s | -| snappy 1.1.3 | 2.091 | 500 MB/s | 1650 MB/s | +| lz4 1.8.1 | 2.101 | 750 MB/s | 3700 MB/s | +| snappy 1.1.4 | 2.091 | 530 MB/s | 1800 MB/s | | lzf 3.6 -1 | 2.077 | 400 MB/s | 860 MB/s | [zlib]:http://www.zlib.net/ @@ -50,15 +51,15 @@ Decompression speed is preserved and remains roughly the same at all settings, a property shared by most LZ compression algorithms, such as [zlib] or lzma. The following tests were run -on a server running Linux Debian (`Linux version 4.8.0-1-amd64`) +on a server running Linux Debian (`Linux version 4.14.0-3-amd64`) with a Core i7-6700K CPU @ 4.0GHz, using [lzbench], an open-source in-memory benchmark by @inikep -compiled with GCC 6.3.0, +compiled with [gcc] 7.3.0, on the [Silesia compression corpus]. Compression Speed vs Ratio | Decompression Speed ---------------------------|-------------------- - |  + |  A few other algorithms can produce higher compression ratios at slower speeds, falling outside of the graph. For a larger picture including slow modes, [click on this link](doc/images/DCspeed5.png). @@ -128,8 +129,8 @@ A Meson project is provided within `contrib/meson`. Going into `build` directory, you will find additional possibilities: - Projects for Visual Studio 2005, 2008 and 2010. - + VS2010 project is compatible with VS2012, VS2013 and VS2015. -- Automated build scripts for Visual compiler by @KrzysFR , in `build/VS_scripts`, + + VS2010 project is compatible with VS2012, VS2013, VS2015 and VS2017. +- Automated build scripts for Visual compiler by [@KrzysFR](https://github.com/KrzysFR), in `build/VS_scripts`, which will build `zstd` cli and `libzstd` library without any need to open Visual Studio solution. |