Results for g++ 3.4.0 application testing on i686-pc-linux-gnu

Paolo Carlini pcarlini@suse.de
Mon Mar 15 14:43:00 GMT 2004


poschmid@lbl.gov wrote:

>6) The complex oop test included in oopack runs considerably slower when
>compiled by gcc 3.4. It is 55.9 Mflops for gcc 3.3 but 40.7 Mflops for gcc
>3.4. Additionally, there is still a substantial penalty for using oop methods
>in contrast to c based ones (720 vs 40 Mflops).
>
Unfortunately, this is a long standing issue:

    http://gcc.gnu.org/ml/gcc/2003-01/msg01325.html

Which, however, is now fixed in the ssa-branch:

    http://gcc.gnu.org/ml/gcc/2004-01/msg01161.html

Seems unlikely that will be fixed in 3.4.x too... :(

Paolo.



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