On 01/20/2014 11:39 PM, Darrell Anderson wrote:
>>        Family: Phenom X4
>>        Version: AMD Phenom(tm) 9850 Quad-Core Processor
>>        Max Speed: 2500 MHz
> 
> I have a dual core.
> 
> Darrell
> 


Building with -j1 is 23 min on the Phenom. instead of 27 from memory:

Beginning build of: tdelibs  -  Jan 20 16:47:47
      updating tde-tdelibs/PKGBUILD
      updating PKGBUILD md5sum -> 7f24c69c932e7c9340a09da591d30ce0
      deleting build dir from prior build
      copying: /dat_f/tde/pbpkg/tde-tdelibs /dat_e/tde/bld
      copying tdelibs.tar.gz -> /dat_e/tde/bld/tde-tdelibs
      moving existing package to pkgdir
      calling makepkg for - tde-tdelibs
      makepkg --> SUCCEEDED, copying package to local repo
      repo-add: updating local repo
      installing: tde-tdelibs-14.0.0-1-x86_64.pkg.tar.xz
      moving new package(s) to: /dat_e/tde/pkg/x86_64
Completed build of: tdelibs  -  Jan 20 17:11:13
  -- Build took: 23 minutes

Still from 23 -> 7, that is one heck of a difference.

Comparing, on an old P4-2800 (from 2012 build) with -j1

Beginning build of: tdelibs  -  Apr 10 08:57:21
      updating tde-tdelibs/PKGBUILD
      updating PKGBUILD md5sum -> 68dc5634288a330302a23331cc3b9cff
      deleting build dir from prior build
      copying pbpkg dir to build dir.
      copying tdelibs.tar.gz -> /home/david/tde/bld/tde-tdelibs
      moving existing package to pkgdir
      calling makepkg for - tde-tdelibs
      makepkg --> SUCCEEDED, copying package to local repo
      repo-add: updating local repo
      installing: tde-tdelibs-3.5.14_dev-3-i686.pkg.tar.xz
      moving new package(s) to: /home/david/tde/pkg/i686
Completed build of: tdelibs  -  Apr 10 09:43:03
  -- Build took: 45 minutes

I still marvel at the difference cores/jobs make.


-- 
David C. Rankin, J.D.,P.E.