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Incorrect or missing information? Installing Multicore Par2
If your device has more than 1 core available, you can significantly speed up verification and repair by using all cores in your system. Installing these multicore versions of Par2 is easy for many platforms.
There are 2 versions available:
par2cmdline-tbb: Based on Intel Thread Building blocks it is the fastest but can be harder (or impossible) to install on non-x86/x64 systems like ARM or older Ubuntu releases.
par2cmdlinev0.7+ (Github): Easy to install on almost any platform, performance is better than single-threaded
par2but less than
After installation and restarting SABnzbd you can specify additional options, such as the maximum number of cores to use, in the
Extra PAR2 Parameters setting.
This information does not apply to Windows or macOS, where Multicore par2 executables are included with SABnzbd distributions.
Installation on Ubuntu via PPA
For Ubuntu there is a PPA by the same creator (JCFP) as the SABnzbd PPA that has both versions.
Run these commands to install the PPA and
sudo add-apt-repository ppa:jcfp/sab-addons sudo apt-get update sudo apt-get install par2-tbb
par2cmdline-mt change the last command to:
sudo apt-get install par2-mt
Installation on other distributions
make (install via your distribution’s package manager)
git clone https://github.com/Parchive/par2cmdline.git cd par2cmdline aclocal automake --add-missing autoconf ./configure make make install
NOTE You might need to run the last command as
sudo because it will install the
par2 command in the
NOTE Safest to uninstall your existing
After this, you can delete the