Crispin Cowan <crispin@wirex.com> writes:
> > What is the level of performance hit, using bounds-checking?
>
> Highly variable. The best example of a full bounds-checking C compiler
> is the GCC enhancement here http://web.inter.nl.net/hcc/Haj.Ten.Brugge/
>
> Based on the compiler's documentation, it imposes between 3X and 30X
> slowdowns, depending on the application.
If you use a language which includes a proper array type, the overhead
isn't that huge. (With full checking, the Ada version of Dhrystone
2.1 runs approximately at 60% of the speed of the C version. This
includes full range checking on integer variables.)
> the developers) this bounds checking compiler imposes a 12X slowdown
> (1200% overhead) on SSH throughput.
Isn't that 1100% overhead? ;-)
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