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[Bug fortran/30367] gfortran compile times excessive with -Wall
- From: "kargl at troutmask dot apl dot washington dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Jan 2007 17:23:16 -0000
- Subject: [Bug fortran/30367] gfortran compile times excessive with -Wall
- References: <bug-30367-13865@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from kargl at troutmask dot apl dot washington dot edu 2007-01-13 17:23 -------
Subject: Re: gfortran compile times excessive with
-Wall
Bil dot Kleb at NASA dot gov wrote:
>
> Gfortran's compilation time is mainly due to a three routines that take on the
> order of 1/2 hour each. These routines are long (~10KLOC) and compute large
> Jacobian matrices formed from many temporary variables.
>
Do these routines use a large number of modules?
Any possibility of sending one of the problematic
routines to us to profile the compiler? Can you
run "gfortran -S -fmem-report -ftime-report" with
one of the files and attach the info here?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30367