LLVM port(s) take very long time to package

Michael Gmelin grembo at freebsd.org
Fri Apr 14 14:42:44 UTC 2017



> On 14. Apr 2017, at 16:22, Alexey Dokuchaev <danfe at FreeBSD.org> wrote:
> 
> On Wed, Apr 12, 2017 at 12:06:42PM +0200, Michael Gmelin wrote:
>>> On 12. Apr 2017, at 11:37, Alexey Dokuchaev <danfe at FreeBSD.org> wrote:
>>> ...
>>> Other alternative to PKG_NOCOMPRESS=1 could be PKGSUFFIX=.tbz (pkg-static
>>> create -f tbz ...), will play with that as well.
>> 
>> I don't think bzip will buy you much in terms of performance,
> 
> Surprisingly, it actually did:
> 
> $ time make package PKG_SUFX=.tbz
> ===>  Building package for llvm40-4.0.0_2
> 565.215u 5.316s 9:34.18 99.3%   7899+502k 1+3020io 0pf+0w
>                ^^^^^^^
> Single-threaded bzip2 was faster than multi-threaded xz, at the expense
> of larger package of course:
> 
> $ ls -s1 llvm40-4.0.0_2.t*
> 386752 llvm40-4.0.0_2.tbz
> 286816 llvm40-4.0.0_2.txz
>> 

Interesting, I'll tried that on our high-frequency builders.

-m



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