bug#18522: 24.4.50; mapcar is very slow

[Andreas Schwab]

Peter Münster <pmlists@free.fr> writes:

> It seems to me, that there is a problem with "progn":
>
> Slow emacs:
>                   - progn                                        4141  46%
>                    - let                                          436   4%
>
> Fast emacs:
>                   - progn                                         401  13%
>                    - let                                          345  11%
>
>
> What do you think?

progn is very simple, all its time is spent in evaluating the
arguments.  Does profile actually work for primitives?

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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