Re: mesa-users] MESA install is taking forever to complete

[Josiah S. <js...@gm...>]

Here's my experience.

For me, the ./tester in the mtx module hangs using the following
gfortran on an Intel P4 box,

jschwab: mesa$ gfortran -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../gcc/configure --enable-languages=c,c++,fortran
Thread model: posix
gcc version 4.4.0 20080510 (experimental) (GCC)

ifort works fine on that machine

On my G4 PowerBook, gfortran 4.3 has built MESA successfully.

Josiah

On Wed, Jan 28, 2009 at 1:21 PM, Jonathan Tomshine <jrt...@ya...> wrote:
> I compile with a slightly older gfortran (4.3 rather than 4.4) and it works for me without locking-up or crashing (Intel MacBook, 4 gb ram):
>
> dhcp-12:~ jshine$ gfortran -v
> Using built-in specs.
> Target: i386-apple-darwin9.4.0
> Configured with: ../gcc-4.3.2/configure --prefix=/opt/local --enable-languages=c,c++,objc,obj-c++,java,fortran --libdir=/opt/local/lib/gcc43 --includedir=/opt/local/include/gcc43 --infodir=/opt/local/share/info --mandir=/opt/local/share/man --with-local-prefix=/opt/local --with-system-zlib --disable-nls --program-suffix=-mp-4.3 --with-gxx-include-dir=/opt/local/include/gcc43/c++/ --with-gmp=/opt/local --with-mpfr=/opt/local
> Thread model: posix
> gcc version 4.3.2 (GCC)
> dhcp-12:~ jshine$
>
>
> -Jon
>
>
>
>
> --- On Wed, 1/28/09, Bill Paxton <pa...@ki...> wrote:
>
>> From: Bill Paxton <pa...@ki...>
>> Subject: Re: mesa-users] MESA install is taking forever to complete
>> To: "Aaron Dotter" <do...@uv...>
>> Cc: mes...@li...
>> Date: Wednesday, January 28, 2009, 11:54 AM
>> Hi Aaron,
>>
>> On Jan 28, 2009, at 9:37 AM, Aaron Dotter wrote:
>>
>> > Just a quick question: I'm trying to install mesa
>> on my desktop machine, compiled
>> > with gfortran because I don't have ifort, and
>> 'tester' is taking a VERY long time to
>> > complete.  Do you have any sense of how long it should
>> take?
>>
>> Minutes on my Intel mac powerbook.
>>
>> > Right now it is over
>> > 24 hours on an AMD 2.4 GHz processor.  What is tester
>> doing?
>>
>> Each package in mesa has the same layout and the same
>> installation steps.
>> And part of the installation is running a test to see if
>> things look okay.
>> That test is done in the 'test' directory of the
>> package; you'll find a test/make/makefile too.
>> The makefile for test creates a little test program called
>> 'tester'.
>> So each each package, during installation a new
>> 'tester' is created and run.
>> The output from tester is compared (using ndiff) to the
>> expected output (in 'test_output').
>>
>> > Obviously for real use of the code I will run it on a
>> machine with ifort but for
>> > testing and exploring the code I want to be able to
>> run it on my machine.
>>
>> My guess is that you have an old gfortran.   There was a
>> bug that caused the thing to hang like that.
>>
>> You might want to update from
>> http://gcc.gnu.org/wiki/GFortran
>>
>> I'm currently using the following gfortran without
>> problems:
>>
>> /Users/billpaxton/mesa/star/test: gfortran -v
>> Using built-in specs.
>> Target: i386-apple-darwin8.10.1
>> Configured with:
>> /tmp/gfortran-20081006/ibin/../gcc/configure
>> --prefix=/usr/local/gfortran --enable-languages=c,fortran
>> --with-gmp=/tmp/gfortran-20081006/gfortran_libs
>> --enable-bootstrap
>> Thread model: posix
>> gcc version 4.4.0 20081006 (experimental) [trunk revision
>> 140904] (GCC)
>>
>>
>> Please let me know if updating fixed things. I'll add a
>> warning to the installation documentation about old
>> gfortrans.
>>
>> BTW: at one time I ran into trouble with the gfortran
>> implementation of OpenMP.
>> I haven't gone back to check for a long time to see if
>> things are ok now, but
>> in the meantime I'm suggesting that people using
>> gfortran disable multi-threading.
>>
>> setenv OMP_NUM_THREADS 1
>>
>> Hopefully that problem will go away since it's great
>> fun to use all the cores,
>> and mesa does a pretty good job of that when given a
>> chance.
>>
>> Thanks,
>> Bill------------------------------------------------------------------------------
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