[Bug fortran/19182] Error messages seem to be printed slower

[pinskia at physics dot uc dot edu]

------- Additional Comments From pinskia at physics dot uc dot edu  2004-12-28 22:34 -------
Subject: Re:  Error messages seem to be printed slower


On Dec 28, 2004, at 5:31 PM, schnetter at aei dot mpg dot de wrote:

>
> The call to setvbuf switches to line buffering, meaning that stderr is 
> flushed
> only after every line and not after every character.  I assume that 
> cc1 (as
> opposed to f951) switches to line buffered stderr at some time, or else
> outputs its error messages in some other way which is equivalent to 
> some
> internal buffering.  f951 outputs its messages character by character, 
> which
> leads to an unnecessary overhead.

Actually cc1 just uses fprintf instead of fputc so maybe that is the
problem, maybe we should be doing our own buffering.


-- Pinski



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19182