decompress from cd/dvd very slow

2005-01-02
2012-12-08
  • Nobody/Anonymous

    tried 3.13 and 4.13b, when the compressed .zip file is on DVD or CD the decompression is very slow. I tried winzip and it was much faster, also windows built-in decompression was much faster. Seems there is a problem reading files from DVD/CD I got some ridiculous throughput numbers like 200 Kb/s from perfectly good media (copying the file from DVD was like 3900 Kb/s and indeed winzip could decompress at full speed). So is there something I can do to speed it up or should I wait until next release ?

     
    • Nobody/Anonymous

      I also seem to have noticed that sevenzip skips many (more) cycles instead of using 100% cpu when reading off slow media ever since the 4.* beta versions.

       
    • Nobody/Anonymous

      Would seem like 7-zip doesn't use it's working folder settings when decompressing, but only when compressing.

       

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