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Update README.md

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Added more information about the differences of plugin vs setup installation
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Tino Reichardt
2017-05-25 19:39:00 +02:00
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parent 04488153e8
commit 0d0a8f32ea
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README.md
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@@ -4,8 +4,7 @@
This is the Github Page of 7-Zip ZS with support of additional Codecs. The library used therefore is located here: [Multithreading Library](https://github.com/mcmilk/zstdmt)
You can install it in two ways:
1. full setup with [ZStandard] additions within the GUI and an modified
Explorer context menu
1. full setup with additions within the GUI and an modified an Explorer context menu
2. just the codec plugin, which goes to your existing 7-Zip installation
## Codec overview
@@ -25,7 +24,7 @@ You can install it in two ways:
1. download the setup from here [7-Zip ZS Releases](https://github.com/mcmilk/7-Zip-zstd/releases)
2. install it, like the default [7-Zip]
3. use it ;)
4. you may check, if the 7-Zip can deal with ZStandard via this command: `7z.exe i`
4. you may check, if the 7-Zip can deal with [ZStandard] or other codecs via this command: `7z.exe i`
The output should look like this:
```
@@ -77,8 +76,9 @@ Codecs:
### Usage and features of the full installation
- compression and decompression for [Brotli], [Lizard], [LZ4], [LZ5] and [ZStandard]
- included lzip decompression support, patch from http://download.savannah.gnu.org/releases/lzip/7zip/
- compression and decompression for [Brotli], [Lizard], [LZ4], [LZ5] and [ZStandard] within the 7-Zip container format
- compression and decompression of [LZ4] (`.lz4`), [LZ5] (`.lz5`) and [ZStandard] (`.zst`) files
- included [lzip] decompression support, patch from: http://download.savannah.gnu.org/releases/lzip/7zip/
- right click and _"Add to xy.7z"_ will use the last selected method (codec, level and threads)
- the FileManager ListBox will show more information about these codecs now
@@ -168,8 +168,10 @@ Codecs:
### Usage (codec plugin)
- when compressing binaries (*.exe, *.dll), you have to explicitly disable
the bcj2 filter via `-m0=bcj`, when using only the plugin dll's
- compression and decompression for [Brotli], [Lizard], [LZ4], [LZ5] and [ZStandard] within the 7-Zip container format
- you can only create `.7z` files, the files like `.lz4`, `.lz5` and `.zst` are not covered by the plugins
- when compressing binaries (*.exe, *.dll), you have to explicitly disable the bcj2 filter via `-m0=bcj`,
when using only the plugin dll's
- so the usage should look like this:
```
7z a archiv.7z -m0=bcj -m1=zstd -mx1 Fast mode, with BCJ preprocessor on executables
@@ -177,8 +179,6 @@ Codecs:
7z a archiv.7z -m0=bcj -m1=zstd -mx21 2nd Slowest Mode, with BCJ preprocessor on executables
7z a archiv.7z -m0=bcj -m1=zstd -mx22 Ultra Mode, with BCJ preprocessor on executables
```
- you can only create .7z files with zstd compression, but you can not create .zst files :/
## Benchmarks with i7-3632QM
![Compression Speed vs Ratio](https://mcmilk.de/projects/7-Zip-zstd/dl/compr-074-usb2.png "Compression Speed vs Ratio")
![Decompression Speed](https://mcmilk.de/projects/7-Zip-zstd/dl/decompr-074.png "Decompression Speed @ Windows 7 64Bit")
@@ -211,6 +211,7 @@ If you find this project useful, you can...
/TR 2017-05-25
[7-Zip]:http://www.7-zip.org/
[lzip]:http://www.nongnu.org/lzip/
[Brotli]:https://github.com/google/brotli/
[LZ4]:https://github.com/lz4/lz4/
[LZ5]:https://github.com/inikep/lz5/