0

If I do a:

7z a -t7z -mx1 testfile.raw.7z testfile.raw

I can see 7z isn't using all the available CPUs, only just one ("top" cmd, then "1").

Versions:

# rpm -qi p7zip-9.20.1-3.2.x86_64
Name        : p7zip
Version     : 9.20.1
Release     : 3.2
Architecture: x86_64
Install Date: Fri May  3 14:41:21 2019
Group       : Productivity/Archiving/Compression
Size        : 4214397
License     : LGPL-2.1+
Signature   : RSA/SHA256, Tue Aug 25 08:52:18 2015, Key ID 70af9e8139db7c82
Source RPM  : p7zip-9.20.1-3.2.src.rpm
Build Date  : Fri Jul 31 14:16:45 2015
Build Host  : sheep23
Relocations : (not relocatable)
Packager    : https://www.suse.com/
Vendor      : SUSE LLC <https://www.suse.com/>
URL         : http://p7zip.sourceforge.net/
Summary     : 7-zip file compression program
Description :
p7zip is a quick port of 7z.exe and 7za.exe (command line version of
7zip, see www.7-zip.org) for Unix. 7-Zip is a file archiver with
highest compression ratio. Since 4.10, p7zip (like 7-zip) supports
little-endian and big-endian machines.
Distribution: SUSE Linux Enterprise 12
#

and:

# cat /etc/SuSE-release
SUSE Linux Enterprise Server 12 (x86_64)
VERSION = 12
PATCHLEVEL = 2
...
#

Q: How to make 7z use all the cores?

  • looks like there isn't any solution for this :) – niving6473 May 8 at 17:11

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