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Date: Fri, 17 Oct 2003 03:28:00 -0000
From: "lucier at math dot purdue dot edu" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Message-ID: <20031017032825.12655.lucier@math.purdue.edu>
Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug c/12655] New: Excessive memory usage---32-bit virtual memory exhausted
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X-SW-Source: 2003-10/txt/msg01297.txt.bz2
List-Id: <gcc-bugs.sourceware.org>

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12655

           Summary: Excessive memory usage---32-bit virtual memory exhausted
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: lucier at math dot purdue dot edu
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: sparc-sun-solaris2.8
  GCC host triplet: sparc-sun-solaris2.8
GCC target triplet: sparc-sun-solaris2.8

With this compiler

banach-19% gcc -v
Reading specs from
/export/mdd0/users/lucier/local/gcc-ssa/bin/../lib/gcc/sparc-sun-solaris2.8/3.5-tree-ssa/specs
Configured with: ../configure --enable-checking=no --enable-languages=c
--prefix=/home/c/lucier/local/gcc-ssa
Thread model: posix
gcc version 3.5-tree-ssa 20031016 (merged 20031005)

I get the following results on the file

http://www.math.purdue.edu/~lucier/bugzilla/1/_num.i.gz

when it exhausts the 2GB (?) virtual memory process size after about 90 minutes
(?) of cpu time.

gcc -I../include -I. -Wall -W -Wno-unused -O1 -fno-math-errno -fschedule-insns2
-fno-trapping-math -fno-strict-aliasing -fomit-frame-pointer -fPIC -fno-common
-save-temps -DHAVE_CONFIG_H -D___PRIMAL -D___LIBRARY
-D___GAMBCDIR=\"/usr/local/\" -c _num.c
virtual memory exhausted: Not enough space
make[1]: *** [_num.o] Error 1