performance talk [Re: RFC: implement DW_OP_bit_piece]

Jan Kratochvil
2010-05-25T17:43:18Z

On Fri, 21 May 2010 19:44:50 +0200, Tom Tromey wrote:
> Jan> GDB has much more serious performance issues (symbols reading,
> Jan> lookup) than evaluation of any specific values.
>
> If you know of specific bad cases, I'm very interested in that.
> I think we understand the symbol reading problem pretty well now, but
> other stuff could at least use bug reports.

Checked now we were talking about `attach' being fast enough (~2s on OOo.org)
but I was testing it with `archer-tromey-delayed-symfile2'. Then `bt full' is
still slow - tens of secs. More than 3GB of RAM or SSD would help caching the
on-disk debuginfo files, though. My box could be also declared as an
inappropriate for development of apps of the OOo.org size.

Thanks,
Jan