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Date:      Mon, 8 Oct 2012 08:36:29 +0200 (CEST)
From:      =?ISO-8859-1?Q?Trond_Endrest=F8l?= <Trond.Endrestol@fagskolen.gjovik.no>
To:        Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
Cc:        freebsd-hackers@freebsd.org, Brandon Falk <bfalk_bsd@brandonfa.lk>
Subject:   Re: SMP Version of tar
Message-ID:  <alpine.BSF.2.00.1210080835340.36463@mail.fig.ol.no>
In-Reply-To: <alpine.BSF.2.00.1210071859430.15957@wojtek.tensor.gdynia.pl>
References:  <5069C9FC.6020400@brandonfa.lk> <alpine.BSF.2.00.1210071859430.15957@wojtek.tensor.gdynia.pl>

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On Sun, 7 Oct 2012 19:00+0200, Wojciech Puchar wrote:

> > I would be willing to work on a SMP version of tar (initially just gzip or
> > something).
> > 
> > I don't have the best experience in compression, and how to multi-thread it,
> > but I think I would be able to learn and help out.
> 
> gzip cannot - it is single stream.
> 
> bzip2 - no idea

Check out archivers/pbzip2.

> grzip (from ports, i use it) - can be multithreaded as it packs using fixed
> large chunks.

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