I will need as much as possible speed for my next project where i will
use NS but i do not experience with gcc optimization either. But in
previous work i always wanted debugging info and sometimes -ON flags
messed with gdb because of optimization.
I say let's use -fno-strict-aliasing but use -fstrict-aliasing when
compile for make test. That way we can clean up code.
Zoran Vasiljevic wrote:
Am 11.06.2005 um 21:50 schrieb Vlad Seryakov:
I went through google about this and found out that many projects
like Linux, PostgreSQL and others use -fno-strict-aliasing. And
nobody could determine if this affects optimnization, so we can use
that flag as well and in the meantime slowly change the code.
This is what I thought at the first glance but did not want
to undertake anything until we clear this out.
I have zero experience about what it meany to use -O switch
because we always compile with symbols and w/o optimization.
This is far more important (to get a decent coredump) then
some (possible marginal) speed improvment. Our server itself
is network/IO-bound and not CPU bound, hence we do not really
care. But you might, therefore I thougt it is better to ask.
Cheers
Zoran
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