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7 Zip 4.30 Beta

4 Downloads

7 Zip 4.30 Beta 0 out of 5 based on 0 ratings.

7 Zip 4.30 Beta  Change Log

  • Files 7zFMn.exe, 7zGn.exe, 7-zipn, 7za.exe, 7zC.sfx were removed from 7-zip package
  • 7-Zip now uses uncompressed SFX: 7z.sfx
  • Sfx modules 7z.sfx and 7zCon.sfx now use msvcrt.dll
  • Speed optimizations in LZMA maximum/ultra compressing.
  • LZMA now supports word size up to 273
  • 7-Zip now reduces dictionary size for LZMA, if you compress files
  • smaller than specified dictionary size.
  • 7-Zip now can use large memory pages:
  • GUI: 7-Zip File Manager / Options / Settings / Use large memory pages.
  • Command line version: -slp switch.
  • This feature allows to increase speed of compressing.
  • But 7-Zip can make some pause at starting of compressing for allocating large pages.
  • Also Task Manager doesn't show real memory usage of program, if 7-Zip uses large pages.
  • This feature works only on Windows 2003 / XP x64 / Vista.
  • Also you must have administrator's rights for your system.
  • Recommended size of RAM: 1 GB or more.
  • To install this feature you must run 7-Zip File Manager at least once,
  • close it and reboot system.
  • Some bugs were fixed

7 Zip 4 Builds

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