This seems to be fixed in Ubuntu 16.10 based on simple observation (as opposed to a systematic test).
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to file-roller in Ubuntu. https://bugs.launchpad.net/bugs/1467187 Title: allow usage of multicore implementations of compression tools Status in file-roller package in Ubuntu: Confirmed Bug description: It'd be great to be able to use compression formation implementations which allow multicore CPU usage (e.g. `pigz` for gunzip, `pbzip2` for bzip2, etc.). Imo there's no argument against using them by default because most user just will see an significant increase of speed with some decent default values for parallelization options (`-p` of `pigz`, etc.) based on the CPU (cores). ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: file-roller 3.14.2-0ubuntu5 Uname: Linux 4.0.5-040005-generic x86_64 ApportVersion: 2.17.2-0ubuntu1.1 Architecture: amd64 CurrentDesktop: Unity Date: Sun Jun 21 00:59:43 2015 EcryptfsInUse: Yes InstallationDate: Installed on 2015-06-08 (12 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=de_DE.UTF-8 SHELL=/bin/bash SourcePackage: file-roller UpgradeStatus: Upgraded to vivid on 2015-06-09 (11 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/file-roller/+bug/1467187/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp