Performance drops with 1.1.2?!

N8TM@aol.com N8TM@aol.com
Wed Mar 31 23:46:00 GMT 1999


In a message dated 3/26/99 1:05:17 AM Pacific Standard Time,
kramp@informatik.uni-kl.de writes:

> I've just installed egcs 1.1.2 on my Linux box (Pentium II, kernel
>  2.0.35, libc 5.4.46, binutils 2.9.1.0.19a).  Recompiling my
>  application with egcs 1.1.2, however, results in my application
>  performing up to 5% _slower_ if compared to an egcs 1.1b-compiled
>  version.  This behaviour seems to be independent from the optimisation
>  level (I've tried -O, -O2, and -O3).
If you're looking for speed, why not '-Os -malign-double -funroll-loops' ?



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