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From: "Joost.VandeVondele at mat dot ethz.ch" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/40958] module files too large
Date: Mon, 28 Nov 2011 17:58:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40958

Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tkoenig at gcc dot gnu.org

--- Comment #5 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 2011-11-28 17:05:05 UTC ---
(In reply to comment #4)
> Just for reference, compiling CP2K_2009-05-01.f90 results in 684 modules,
> stracing yields something like 12000 calls to open, and 148'847'399 calls to
> lseek.

With Thomas patch (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40958) the
number of seeks drops to 19'557'182, which quite an improvement. In the trace
output, there are still very long sequences of identical lseek, without any
other intermediate call.