libstdc++/4150: catastrophic performance decrease in C++ code

[Jason Merrill]

The following reply was made to PR libstdc++/4150; it has been noted by GNATS.

From: Jason Merrill <jason@redhat.com>
To: libstdc++@gcc.gnu.org
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: libstdc++/4150: catastrophic performance decrease in C++ code
Date: Tue, 16 Apr 2002 00:15:10 +0100

 >>>>> "Jason" == Jason Merrill <jason@redhat.com> writes:
 
 > is there any reason why we can't leave the file pointer at the end of the
 > last read block, rather than at the beginning as we do now?
 
 Which is what libio does, and which would seem to be the only way to avoid
 this sort of problem.  Can anyone enlighten me as to the design
 goals/decisions of the current implementation?
 
 Continuing to hack...
 
 Jason