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Re: c++/2183: gcc-3_0-branch compiles 2x slower than 2.95
- From: bangerth at dealii dot org
- To: gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, gisli at adams dot com, nobody at gcc dot gnu dot org
- Date: 2 Nov 2002 01:40:58 -0000
- Subject: Re: c++/2183: gcc-3_0-branch compiles 2x slower than 2.95
- Reply-to: bangerth at dealii dot org, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, gisli at adams dot com, nobody at gcc dot gnu dot org, gcc-gnats at gcc dot gnu dot org
Synopsis: gcc-3_0-branch compiles 2x slower than 2.95
State-Changed-From-To: open->closed
State-Changed-By: bangerth
State-Changed-When: Fri Nov 1 17:40:57 2002
State-Changed-Why:
I think a compile-time regression in this range must be
expected due to the switch to libstdc++ v3 alone. Add some
new optimizations, and you're there, so I think one should
classify this as "more features make things slower".
Needless to say that I do not find the general trend too
good either...
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=2183