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


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

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


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.


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