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Re: c/8559: [Tru64] -O3 hogs memory on Perl 5.8.0's toke.c
- From: Wolfgang Bangerth <bangerth at ticam dot utexas dot edu>
- To: Jarkko Hietaniemi <jhi at iki dot fi>
- Cc: gcc-bugs at gcc dot gnu dot org, <gcc-gnats at gcc dot gnu dot org>
- Date: Tue, 4 Feb 2003 09:26:12 -0600 (CST)
- Subject: Re: c/8559: [Tru64] -O3 hogs memory on Perl 5.8.0's toke.c
> With -O3 the SIZE and RES as shown by top(1) reach 103M and 100M
> (process cc1), with -O2 44M and 40M, with -O1 21M and 17M, with
> -O0 it finishes so fast that top(1) doesn't even catch it.
OK, this seems like excessive memory usage.
For the record and those who briefly look at the report: the file hosts
part of perl's parser, and -- no unexpectantly -- has a huge switch
statement.
W.
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Wolfgang Bangerth email: bangerth@ticam.utexas.edu
www: http://www.ticam.utexas.edu/~bangerth/