de A. Valladares [Wien] Benchmark-Compilation options

[Ariel A. Valladares C.]

Hola Emilio:

En que Altix instalaste el Wien? Como anda lo de la
compra de la Supercomputadora y para cuando llegará.

Saludos cordiales,

Ariel Valladares


Dr. Emilio Orgaz wrote:

>
> For information;
>
> I compiled W2K as Cesar Clazo did'it  (ifort9.0 +mkl8.0, 
> libgoto_itanium2_64p-r1.00)
>
> Results for the benchmark in a ALTIX  Itanium2 @ 1.5 GHz with 4 MB in  
> L3  are ;
>
>     ********************************************************
>
>        NUMBER OF K-POINTS:           1
>    ===> TOTAL CPU       TIME:   1734.1 (INIT =     21.3 + K-POINTS =   
> 1712.9)
>    > SUM OF WALL CLOCK TIMES:    169.8 (INIT =      2.2 + K-POINTS 
> =    167.6)
>       Maximum WALL clock time:    169.997846841812    
>       Maximum CPU time:           1734.78000000000
>
>
> best regards
>
> Dr. Emilio Orgaz
> Departamento de Física y Química Teórica
> Facultad de Química, UNAM
> Emilio.Orgaz at gmail.com <mailto:Emilio.Orgaz at gmail.com>
>
>
> On 6/9/06, Clazo Clazo <clazo36 at web.de <mailto:clazo36 at web.de>> wrote:
>
>     Dear all,
>
>     I compiled the wien code  VERSION_05.6: 20.10.2005  in a SGI Altix
>     4700 system with Itanium2 Madison 9M Prozessoren (1.66GHz/6MB L3
>     Cache) , ifort version 9.0 + mkl8.0 +
>     libgoto_ITANIUM2-r1.00.a,  and I carried out the standard
>     test_case provided in the wien2k web site in order to see how well
>     the tunning of the compiler and libraries was. I obtained a
>     running time of 160 Sec. The running time for a similar setup
>     reported in the wien2k Benchmarks site is:
>
>     Itanium2(1.6GHz,SGI Altix 3700)  122 sec    ifort9.0 +mkl8.0,
>     libgoto_itanium2_64p-r1.00
>
>     Thus, faster than the time I got. The compiling options  (most of
>     them are the default options recommended by the siteconfig script)
>     are the following:
>
>          O   Compiler options:        -O3 -tpp2 -ftz -ip -fno-alias
>     -cm -w -FR -DALTIX -DINTEL_VML
>          L   Linker Flags:            -L../SRC_lib -Vaxlib
>          P   Preprocessor flags       '-DParallel'
>          R   R_LIB (LAPACK+BLAS):    
>     -L/fibus/fs1/16/vt4cl/LIB/GotoBLAS/libgoto_ITANIUM2-r1.00.a -lscs
>     -L/opt/intel/mkl/8.0.2/lib/64/ -lvml
>
>     I downloaded and compiled the last version of GOTO library from
>     the web.
>
>     Has somebody having a similar system been able to reproduce the
>     running time posted in the wien2k Benchmark page (122 sec)? If so,
>     could you post the options used to compile the code?
>
>     The running time I get (160 sec) is already good, but I think, if
>     the code is able to run faster in the computational setup
>     available, I should try to tune the compiler and libraries in
>     order to get the best possible performance.
>
>     Thank you in advance,
>
>
>     Cesar Lazo
>     Technische Universität Hamburg-Harburg
>
>
>
>
>
>
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>
>
> -- 
> Dr. Emilio Orgaz
> Departamento de Física y Química Teórica
> Facultad de Química, UNAM
> Emilio.Orgaz at gmail.com <mailto:Emilio.Orgaz at gmail.com>
> Tel.  5622-3776    
> Fax. 5622-3521
>
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-- 

===================================================================
Ariel A. Valladares, Professor     email: valladar at servidor.unam.mx
Universidad Nacional Autonoma de Mexico     Phone: +52 55 5622 4636
Instituto de Investigaciones en Materiales    FAX: +52 55 5622 4636
Circuito Exterior, Ciudad Universitaria
Apartado Postal 70-360
Mexico, D.F., 04510, MEXICO
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