This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

Re: Example of sloooooooooooow code


Frank Klemm <pfk@fuchs.offl.uni-jena.de> writes:

> This shows an example of gcc code and the potentials of a little bit hand
> optimized code. Performance ratio is only around 1:20.

We do have a page with known "Deficiencies of GCC's optimizer" so that
they eventually get improved at
http://gcc.gnu.org/projects/optimize.html.  Wouldn't it make sense to
enhance that page with Frank's findings?

Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]