Re: Varying code size, why?

On Wed, 2003-06-18 at 05:59, Emeric Maschino wrote:
> Several compiles of the same C++ source code give me slightly different
> executable code size. Is this the EPIC magic?

The compiler should be deterministic.  That is, it should always give
the same outputs for the same inputs.  If this isn't happening, then
there is probably a bug somewhere.  This is true for GCC, and likely to
be true for the Intel compiler also.

There are some features that can result in different output in
non-obvious ways.  For instance, if you are using profile-directed
feedback, then your profile info could have changed without you
noticing, and this could cause different optimizations and hence
different code size in the output.

Jim