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[Bug fortran/34554] time compiling complicated size initialization expression
- From: "jvdelisle at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Apr 2010 06:38:55 -0000
- Subject: [Bug fortran/34554] time compiling complicated size initialization expression
- References: <bug-34554-10391@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from jvdelisle at gcc dot gnu dot org 2010-04-11 06:38 -------
Restoring the size check to gfortran-exp branch I get the following results
with the test case in comment #1.
Current trunk (4.6):
$ time gfc pr34554.f90
real 8m26.965s
user 8m21.252s
sys 0m2.477s
$ ./a.out
152 135210384
fortran-exp branch patched:
$ time gfcx pr34554.f90
real 4m44.514s
user 4m43.951s
sys 0m0.282s
$ ./a.out
152 135210384
This is a halving of compilation time. Patch to follow.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34554