Differences between program runs with and without gdb

[Andrew STUBBS]

Christoph Bartoschek wrote:
> both parts do not emplain my problem. First the program is single threaded and 
> uses no signals. Second it does not measure time and behaves deterministic. 
> Therefore performance differences should have no effect.

Does it make a difference when you run under GDB, but without using 
stepping/breakpoints or other explicit commands?

In other words, what might you be asking GDB to do to your program?

Andrew