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This is the Github Page of 7-Zip ZS with support of additional Codecs. The library used therefore is located here: Multithreading Library You can install it in two ways: complete setup with additions within the GUI and a modified Explorer context menu only the codec plugin that goes to your existing 7-Zip installation (no GUI changes and no additional Hashers) Status
Zstandard v1.5.0 is a real-time compression algorithm, providing high compression ratios. It offers a very wide range of compression / speed trade-off, while being backed by a very fast decoder. Levels: 1..22Brotli v.1.0.9 is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling, with a compression ratio comparable to the best currently available general-purpose compression methods. It is similar in speed with deflate but offers more dense compression. Levels: 0..11LZ4 v1.9.3 is lossless compression algorithm, providing compression speed at 400 MB/s per core (0.16 Bytes/cycle). It features an extremely fast decoder, with speed in multiple GB/s per core (0.71 Bytes/cycle). A high compression derivative, called LZ4_HC, is available, trading customizable CPU time for compression ratio. Levels: 1..12LZ5 v1.5 is a modification of LZ4 which was meant for a better ratio at cost of slower compression and decompression. It's superseded by Lizard now. Levels: 1..15Lizard v1.0 is an efficient compressor with fast decompression. It achieves compression ratio that is comparable to zip/zlib and zstd/brotli (at low and medium compression levels) at decompression speed of 1000 MB/s and faster. Levels 10..19 (fastLZ4) are designed to give about 10% better decompression speed than LZ4 Levels 20..29 (LIZv1) are designed to give better ratio than LZ4 keeping 75% decompression speed Levels 30..39 (fastLZ4 + Huffman) adds Huffman coding to fastLZ4 Levels 40..49 (LIZv1 + Huffman) give the best ratio, comparable to zlib and low levels of zstd/brotli, but with a faster decompression speedFast LZMA2 v1.0.1 is a LZMA2 compression algorithm, 20% to 100% faster than normal LZMA2 at levels 5 and above, but with a slightly lower compression ratio. It uses a parallel buffered radix matchfinder and some optimizations from Zstandard. The codec uses much less additional memory per thread than standard LZMA2. Levels: 1..9 7-Zip Zstandard Edition (full setup, with GUI and Explorer integration) Installation (via setup) download the setup from here 7-Zip ZS Releases install it, like the default 7-Zip use it ;) you may check, if the 7-Zip can deal with Zstandard or other codecs via this command: 7z.exe iThe output should look like this: 7-Zip 19.00 ZS v1.5.0 R1 (x64) : Copyright (c) 1999-2021 Igor Pavlov, 2016-2021 Tino Reichardt : 2021-05-15 Libs: 0 c:\Program Files\7-Zip-Zstandard\7z.dll 1 C:\Program Files\7-Zip-Zstandard\Codecs\Iso7z.64.dll Formats: ... 0 CK xz xz txz (.tar) FD 7 z X Z 00 0 Z z taz (.tar) 1F 9D 0 CK zstd zst tzstd (.tar) 0 x F D 2 F B 5 2 5 . . 0 x F D 2 F B 5 2 8 00 0 C F 7z 7z 7 z BC AF ' 1C 0 F Cab cab M S C F 00 00 00 00 ... Codecs: 0 4ED 303011B BCJ2 0 ED 3030103 BCJ 0 ED 3030205 PPC 0 ED 3030401 IA64 0 ED 3030501 ARM 0 ED 3030701 ARMT 0 ED 3030805 SPARC 0 ED 20302 Swap2 0 ED 20304 Swap4 0 ED 40202 BZip2 0 ED 0 Copy 0 ED 40109 Deflate64 0 ED 40108 Deflate 0 ED 3 Delta 0 ED 21 LZMA2 0 ED 30101 LZMA 0 ED 30401 PPMD 0 D 40301 Rar1 0 D 40302 Rar2 0 D 40303 Rar3 0 D 40305 Rar5 0 ED 4F71102 BROTLI 0 ED 4F71104 LZ4 0 ED 4F71106 LIZARD 0 ED 4F71105 LZ5 0 ED 4F71101 ZSTD 0 ED 21 FLZMA2 0 ED 6F10701 7zAES 0 ED 6F00181 AES256CBC 1 3ED 4F712FF RawSplitter Hashers: 0 32 20A BLAKE3 0 4 1 CRC32 0 16 205 MD2 0 16 206 MD4 0 16 207 MD5 0 20 201 SHA1 0 32 A SHA256 0 48 208 SHA384 0 64 209 SHA512 0 4 203 XXH32 0 8 204 XXH64 0 8 4 CRC64 0 32 202 BLAKE2sp Usage and features of the full installation compression and decompression for Brotli, Lizard, LZ4, LZ5 and Zstandard within the 7-Zip container format compression and decompression of Lizard (.liz), LZ4 (.lz4), LZ5 (.lz5) and Zstandard (.zst) files handling of ZIP files with Zstandard compression included lzip decompression support, patch from: https://download.savannah.gnu.org/releases/lzip/7zip/ explorer context menu: "Add to xy.7z" will use all parameters of the last "Add to Archive" compression dialog (this includes: method, level, dictionary, blocksize, threads and paramters input box) squashfs files with LZ4 or Zstandard compression can be handled several history settings aren't stored by default, look here for some info about that, you can restore original 7-Zip behavior via tools->options->settings these hashes can be calculated: CRC32, CRC64, MD2, MD4, MD5, SHA1, SHA256, SHA384, SHA512, XXH32, XXH64, BLAKE2sp, BLAKE3 (lowercase or uppercase) 7z a archiv.7z -m0=zstd -mx0 Zstandard Fastest Mode, without BCJ preprocessor 7z a archiv.7z -m0=zstd -mx1 Zstandard Fast mode, with BCJ preprocessor on executables 7z a archiv.7z -m0=zstd -mx.. ... 7z a archiv.7z -m0=zstd -mx21 Zstandard 2nd Slowest Mode, with BCJ preprocessor on executables 7z a archiv.7z -m0=zstd -mx22 Zstandard Ultra Mode, with BCJ preprocessor on executables 7z a archiv.7z -m0=lz4 -mx0 LZ4 Fastest Mode, without BCJ preprocessor 7z a archiv.7z -m0=lz4 -mx1 LZ4 Fast mode, with BCJ preprocessor on executables 7z a archiv.7z -m0=lz4 -mx.. ... 7z a archiv.7z -m0=lz4 -mx12 LZ4 Ultra Mode, with BCJ preprocessor on executables 7z a archiv.7z -m0=lz5 -mx0 LZ5 Version 1.5 Fastest Mode, without BCJ preprocessor 7z a archiv.7z -m0=lz5 -mx1 LZ5 Version 1.5 Fast mode, with BCJ preprocessor on executables 7z a archiv.7z -m0=lz5 -mx.. ... 7z a archiv.7z -m0=lz5 -mx16 LZ5 Version 1.5 Ultra Mode, with BCJ preprocessor on executables 7z a archiv.7z -m0=flzma2 -mx1 Fast LZMA2 Fastest mode, with BCJ preprocessor on executables 7z a archiv.7z -m0=flzma2 -mx.. ... 7z a archiv.7z -m0=flzma2 -mx9 Fast LZMA2 Ultra Mode, with BCJ preprocessor on executables 7z x -so test.tar.zstd | 7z l -si -ttar -> show contents of zstd compressed tar archiv test.tar.zstd 7z x -so test.tar.lz | 7z l -si -ttar -> show contents of lzip compressed tar archiv test.tar.lz
The output should look like this: 7-Zip 21.03 (x64) : Copyright (c) 1999-2021 Igor Pavlov : 2021-05-06 Libs: 0 C:\Program Files\7-Zip\7z.dll Libs: 0 c:\Program Files\7-Zip\7z.dll 1 c:\Program Files\7-Zip\Codecs\brotli-x64.dll 2 c:\Program Files\7-Zip\Codecs\flzma2-x64.dll 3 c:\Program Files\7-Zip\Codecs\lizard-x64.dll 4 c:\Program Files\7-Zip\Codecs\lz4-x64.dll 5 c:\Program Files\7-Zip\Codecs\lz5-x64.dll 6 c:\Program Files\7-Zip\Codecs\zstd-x64.dll ... Codecs: 0 4ED 303011B BCJ2 0 ED 3030103 BCJ 0 ED 3030205 PPC 0 ED 3030401 IA64 0 ED 3030501 ARM 0 ED 3030701 ARMT 0 ED 3030805 SPARC 0 ED 20302 Swap2 0 ED 20304 Swap4 0 ED 40202 BZip2 0 ED 0 Copy 0 ED 40109 Deflate64 0 ED 40108 Deflate 0 ED 3 Delta 0 ED 21 LZMA2 0 ED 30101 LZMA 0 ED 30401 PPMD 0 D 40301 Rar1 0 D 40302 Rar2 0 D 40303 Rar3 0 D 40305 Rar5 0 ED 6F10701 7zAES 0 ED 6F00181 AES256CBC 1 ED 4F71102 BROTLI 2 ED 21 FLZMA2 3 ED 4F71106 LIZARD 4 ED 4F71104 LZ4 5 ED 4F71105 LZ5 6 ED 4F71101 ZSTD Usage (codec plugin) compression and decompression for Brotli, Fast LZMA2, 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 7z a archiv.7z -m0=bcj -m1=zstd -mx.. ... 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 7z a archiv.7z -m0=bcj -m1=brotli -mxN ... 7z a archiv.7z -m0=bcj -m1=lizard -mxN ... 7z a archiv.7z -m0=bcj -m1=lz4 -mxN ... 7z a archiv.7z -m0=bcj -m1=lz5 -mxN ... 7z a archiv.7z -m0=bcj -m1=flzma2 -mxN ... Codec Plugin for Total Commander download TotalCmd.7z install it, by replacing the files tc7z.dll and tc7z64.dll with the new ones you can check the Total Commander Forum for more information about this DLL Files decompression for Brotli, Lizard, LZ4, LZ5 and Zstandard ot the 7-Zip .7z format will work out of the box with Total Commander now :-) Codec Plugin for Far Manager copy the 7z.dll file from C:\Program Files\7-Zip-Zstandard\7z.dll to C:\Program Files\Far Manager\Plugins\ArcLite\7z.dll then restart the Far manager - and on next start, you will have support for 7-Zip Zstandard archives ;-) BenchmarksFor the benchmarks I am using Windows 7 64bit on my Laptop which has the following Hardware: Intel i7-3632QM, limited to 2,2GHz, 16GB RAM, disabled swap space the compression benchmark is read / written to an 4 GiB ImDisk the decompression benchmark is also done in RAM via: 7z t archiv.7z the tool for measuring the times is wtime, together with some scripts the testfile is generated via generate-mcorpus please note, that the benchmarks are outdated now (new one will come, but it needs some time)
You find this project useful, maybe you consider a donation ;-)
/TR 2021-08-26 Notes if you want an code signed installer, you need to donate sth. |
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