The one change was to use larger buffers to transfer data between threads. There are minor changes and optimizations in mutithreading mode of LZMA/LZMA2 compressing. For example, the benchmark in 7-Zip 20 can show better Compressing Speed. So there are we two changes in 7-Zip 20 for -mx1 and -mx3: the dictionary is 4 times bigger, and new hc5 match finder.ħ-Zip 20 can work faster than 7-Zip 19 for default match finder 'bt4' in multithreading mode. mx1 and -mx3 modes in 7-Zip 20 use new hc5 match finder by default, but 7-Zip 19 used hc4 match finder. Step 3: Click the Download HD Video button to download and save the video to your local device. Step 2: Click on 'Share' then copy and paste the post link on the text field above on.
But it doesnt recognize another files, like xml, html, jpg, png files and so on. 7-Zip parser can find archives in raw file. So we have recovered some of the original files, but without original names. So bt4 is still default match finder in 7-Zip 20 for Normal/Max/Ultra levels. These are the steps to download videos from reddit: Step 1: Open reddit and locate the post which contains the video or gif you want to download. Press Extract command to extract these files. But the compression ratio can be better with bt4. txtĬhange the data string in commands above to path of some big file or folder.īt5 match finder can work faster than default bt4 match finder. Tne following commands are benchmark commands:ħ z a - bt - mx1 x1.
You just need to extract exe installer of 7-Zip as archive file to any folder and run 7-zip from that folder.
Notes: you can test any version of 7-Zip without full installation. You can post the results of tests to this forum thread to show the changes between 7-Zip 19 and new 7-Zip 20. bzip2 decoding code was updated to support bzip2 archives, created by lbzip2 program.Minor speed optimizations in multithreaded LZMA/LZMA2 compression for Normal/Maximum/Ultra.7-Zip maximum and ultra take long time for slightly smaller file. 7-Zip normal is a bit slower than any WinRAR setting but also compresses more. Fast level (-mx3) : hc5 match finder with 4 MB dictionary. 7-Zip fast takes about same time as WinRar fast but compress slightly more than any WinRar setting.Fastest level (-mx1) : hc5 match finder with 256 KB dictionary.The compression ratio was improved for Fast and Fastest compression levels with the.That can work faster than bt4 and hc4 match finders for the data with big redundancy.
7-Zip now supports new optional match finders for LZMA/LZMA2 compression: bt5 and hc5,.