kadreg@xxxxxxx writes: > Hello, > > I'm compiling an huge application on redhat. On my old 7.3 with a gcc 3.0, the > link phase take about 5 minutes. > > Now, on redhat 9 with gcc 3.2.2, the link of the same application, with the same > parameters (approximately, only -g ) and on the same model of computer take an > hour. I attached a gdb to ld and did a backtrace to see the callstack to see > where is he. > > Each time i tried it, it is in the function _bfd_merge_section. I try some > research, and I found this : > > http://gcc.gnu.org/ml/gcc-bugs/2003-01/msg01403.html > > But, if I restart the link with the -fno-merge-constants, I don't see any speed > difference. I attach my gdb, I see the same kind of backtrace. Just notice i > don't spend time in htab_find_slot_with_hash, as a difference with the other case. > > Is anyone can see what can be the reason of that speed difference, and how can I > speed up my linking ? I think you should submit a bug report. See gcc.gnu.org/bugs.html and gcc.gnu.org/bugzilla
