This is the mail archive of the
libstdc++@gcc.gnu.org
mailing list for the libstdc++ project.
Re: gcc-3_0-branch cstdio=libio == libstdc++ doing miserable on make check
- To: Benjamin Kosnik <bkoz at redhat dot com>
- Subject: Re: gcc-3_0-branch cstdio=libio == libstdc++ doing miserable on make check
- From: Ulrich Drepper <drepper at redhat dot com>
- Date: 24 Apr 2001 17:20:56 -0700
- Cc: Jason Merrill <jason_merrill at redhat dot com>, Gordon Sadler <gbsadler1 at lcisp dot com>, gcc at gcc dot gnu dot org, libstdc++ at gcc dot gnu dot org
- References: <Pine.LNX.4.10.10104241707460.32759-100000@decepticon.cygnus.com>
- Reply-To: drepper at cygnus dot com (Ulrich Drepper)
Benjamin Kosnik <bkoz@redhat.com> writes:
> > Is that really the
> > case with libio? I thought the performance advantage was significant.
>
> Apparently not.
I cannot believe this. The main advantage of libio is that you don't
have to unbuffer the C library stdin, stdout, stderr streams to enable
correct synchronization. Unless you conditionally drop this
requirement you'll have bad performance problems.
--
---------------. ,-. 1325 Chesapeake Terrace
Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA
Red Hat `--' drepper at redhat.com `------------------------