This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: Suggestion for improving C++ parser memory usage

From: Robert Dewar <dewar at adacore dot com>
To: Roger Sayle <roger at eyesopen dot com>
Cc: Steven Bosscher <stevenb at suse dot de>,Mark Mitchell <mark at codesourcery dot com>, gcc at gcc dot gnu dot org
Date: Thu, 30 Dec 2004 10:26:24 -0500
Subject: Re: Suggestion for improving C++ parser memory usage
References: <Pine.LNX.4.44.0412300620470.19913-100000@www.eyesopen.com>

Roger Sayle wrote:

Whilst not as visible or impressive as the earlier O(n^2) -> O(n),
improvement, cp_parser_implicitly_scoped_statement is called a lot
parsing C++ code, and the unnecessary calls to allocate/deallocate
entries on the scope stack aren't free.


OK, well it sounds worth a shot. I am happy to have my skepticism
disproved :-)

References:
- Re: Suggestion for improving C++ parser memory usage
  - From: Roger Sayle

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]