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Re: Bug#415194: libextlib-ocaml-dev: No debugging information



On Mon, Apr 09, 2007 at 02:59:39PM +0200, Sven Luther wrote:
> One interesting question here, is what is the cost of adding those debugging
> symbols ? 

Quoting from the OCaml manual (3.09) [1]:

> Before the debugger can be used, the program must be compiled and
> linked with the -g option: all .cmo and .cma files that are part of
> the program should have been created with ocamlc -g, and they must be
> linked together with ocamlc -g.
>
> Compiling with -g entails no penalty on the running time of programs:
> object files and bytecode executable files are bigger and take longer
> to produce, but the executable files run at exactly the same speed as
> if they had been compiled without -g.

So: no runtime penalty, only size increase. (Of course I'm speaking
module the increased time the interpreter will need to load a bigger
caml object, but that should be negligible most of the time).

Cheers.

[1] http://caml.inria.fr/pub/docs/manual-ocaml/manual030.html#c:debugger

-- 
Stefano Zacchiroli -*- Computer Science PhD student @ Uny Bologna, Italy
zack@{cs.unibo.it,debian.org,bononia.it} -%- http://www.bononia.it/zack/
(15:56:48)  Zack: e la demo dema ?    /\    All one has to do is hit the
(15:57:15)  Bac: no, la demo scema    \/    right keys at the right time

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