C++: EGCS perf. vs GCC

Jeffrey A Law law@cygnus.com
Mon Dec 7 08:31:00 GMT 1998


  In message < Pine.GSO.3.96.981207132218.2689A-100000@caleyipa.spider.com >you w
rite:
  > 3. Compilers used
  > 
  > gcc 2.8.1
  > egcs 1.1b (yes, I know 1.1.1 is out)
I doubt egcs-1.1.1 would make any signficant difference performance-wise.  If
it did, it would be by accident, not by design.

  > i486 code, but other than that, the results are a complete surprise for me.
  > I've expected that the proper use of the PII pipeline, etc. would boost the
  > figures at least by 10%, and not degrade the performance!
The scheduling for all x86 ports is poor at best.  It needs to be completely
revamped from the ground up.

jeff



More information about the Gcc-bugs mailing list