Re: [arch-general] Multithreaded XZ

2014-12-21 Thread Christian Hesse
Jan Alexander Steffens on Mon, 2014/12/22 08:07: > On Dec 22, 2014 8:00 AM, "Christian Hesse" wrote: > > For Arch packages there is nothing that requires repeatable output. > > Yes, there is. Package signatures are made using the compressed package. > Delta packages work by patching the uncompre

Re: [arch-general] Multithreaded XZ

2014-12-21 Thread Jan Alexander Steffens
On Dec 22, 2014 8:00 AM, "Christian Hesse" wrote: > For Arch packages there is nothing that requires repeatable output. Yes, there is. Package signatures are made using the compressed package. Delta packages work by patching the uncompressed package and then recompressing it. If the compressor wo

Re: [arch-general] Multithreaded XZ

2014-12-21 Thread Christian Hesse
Jan Alexander Steffens on Mon, 2014/12/22 04:08: > On Mon, Dec 22, 2014 at 3:25 AM, Mark Lee wrote: > > Now that xz is multithreaded (not available in Arch Repos yet); I was > > wondering if package building and installing would, by default, > > utilize multiple threads. Sure. I do use the multi

Re: [arch-general] Multithreaded XZ

2014-12-21 Thread Jan Alexander Steffens
On Mon, Dec 22, 2014 at 3:25 AM, Mark Lee wrote: > Now that xz is multithreaded (not available in Arch Repos yet); I was > wondering if package building and installing would, by default, > utilize multiple threads. It won't, since the output of XZ in multi-threaded mode is different from single-t

Re: [arch-general] Multithreaded XZ

2014-12-21 Thread Troy Engel
On Sun, Dec 21, 2014 at 8:25 PM, Mark Lee wrote: > > Now that xz is multithreaded (not available in Arch Repos yet); I was > wondering if package building and installing would, by default, > utilize multiple threads. You can do it already - just set the environment variable XZ_OPTS="-T x" (where