[blfs-dev] SBUs - was Re: #3982: Firefox-23.0.1/Xulrunner-23.0.1

Bruce Dubbs bruce.dubbs at gmail.com
Wed Aug 21 16:06:21 PDT 2013

Ken Moffat wrote:

>   This is prompted by my LFS-7.4 build on i686.  The host was LFS-7.2
> and a single-threaded initial SBU was 78.392 seconds (whoot! fast!).
> But one of the first things I do on a new system is remove /tools,
> recreate an empty /tools, and run the SBU commands as root.  Usually
> a gcc version increase means things run slower, and in this case
> I've gone from 4.7.1 to 4.8.1.  My SBU on this machine is now
> 150.849 seconds.

bunutils has definitely been getting slower.  At one time mine was about 
93 seconds.  The latest is 129 seconds.  My #1 suspect is gcc, but 
binutils is probably not blameless either.

   -- Bruce

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