Compile without ASLR protections

ASLR is a kernel feature but it’s Linux implementation on x86 is tied to the application being compiled as a Prosition Independent Executable (PIE). non-PIE ASLR applications are mapped to a constant address.

PIE is a precondition to enable address space layout randomization (ASLR).

By default gcc compiles with PIE, if you want to disable it use:

-no-pie

Overhead for -fPIE in -O2 and -O3:

Source: https://nebelwelt.net/publications/files/13PPREW.pdf 2.3.