Bell Labs or Microsoft security?

Wed Jan 29 17:26:06 UTC 2003

RAS> Date: Wed, 29 Jan 2003 08:18:45 -0500
RAS> From: Richard A Steenbergen

RAS> Possibly that bounds checking is an incredible cpu suck,

If you check before each byte.  Checking for sufficient space
first ("is there room for a 245-byte string?") is much faster.
Besides, looking at all the bloated code using indirect function
calls[*] and crappy code using poor algorithms... is speed really
a concern?

[*] Try profiling indirect function calls on x86, especially
    newer cores.  Such instructions carry a stiff penalty... but
    there's no shortage of virtual functions in certain software.
    (Think: OWL and MFC libraries.)

Eddy
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