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Hola Emilio:<br>
<br>
En que Altix instalaste el Wien? Como anda lo de la <br>
compra de la Supercomputadora y para cuando llegará.<br>
<br>
Saludos cordiales,<br>
<br>
Ariel Valladares<br>
<br>
<br>
Dr. Emilio Orgaz wrote:<br>
<blockquote type="cite"
cite="mid70fa32110606140944g60b5aee7nbcb84d72aa167294@mail.gmail.com"><br>
For information;<br>
<br>
I compiled W2K as Cesar Clazo did'it (ifort9.0 +mkl8.0,
libgoto_itanium2_64p-r1.00)<br>
<br>
Results for the benchmark in a ALTIX Itanium2 @ 1.5 GHz with 4 MB in
L3 are ;<br>
<br>
********************************************************<br>
<br>
NUMBER OF K-POINTS: 1<br>
===> TOTAL CPU
TIME: 1734.1 (INIT = 21.3 +
K-POINTS = 1712.9)<br>
> SUM OF WALL CLOCK TIMES: 169.8
(INIT = 2.2 + K-POINTS
= 167.6)<br>
Maximum WALL clock time: 169.997846841812 <br>
Maximum CPU time: 1734.78000000000 <br>
<br>
<br>
best regards<br>
<br>
Dr. Emilio Orgaz<br>
Departamento de Física y Química Teórica<br>
Facultad de Química, UNAM<br>
<a href="mailto:Emilio.Orgaz@gmail.com">Emilio.Orgaz@gmail.com</a><br>
<br>
<br>
<div><span class="gmail_quote">On 6/9/06, <b class="gmail_sendername">Clazo
Clazo</b> <<a href="mailto:clazo36@web.de" target="_blank"
onclick="return top.js.OpenExtLink(window,event,this)">clazo36@web.de</a>>
wrote:
</span>
<blockquote class="gmail_quote"
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Dear
all,<br>
<br>
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:<br>
<br>
Itanium2(1.6GHz,SGI Altix 3700) 122 sec ifort9.0 +mkl8.0,
libgoto_itanium2_64p-r1.00<br>
<br>
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:<br>
<br>
O Compiler
options: -O3 -tpp2 -ftz
-ip -fno-alias -cm -w -FR -DALTIX -DINTEL_VML<br>
L Linker
Flags: -L../SRC_lib
-Vaxlib<br>
P Preprocessor flags '-DParallel'<br>
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<br>
<br>
I downloaded and compiled the last version of GOTO library from the
web.
<br>
<br>
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?<br>
<br>
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.<br>
<br>
Thank you in advance,<br>
<br>
<br>
Cesar Lazo<br>
Technische Universität Hamburg-Harburg<br>
<br>
<br>
<br>
<br>
<br>
<br>
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</blockquote>
</div>
<br>
<br clear="all">
<br>
-- <br>
Dr. Emilio Orgaz<br>
Departamento de Física y Química Teórica<br>
Facultad de Química, UNAM<br>
<a href="mailto:Emilio.Orgaz@gmail.com" target="_blank"
onclick="return top.js.OpenExtLink(window,event,this)">Emilio.Orgaz@gmail.com</a><br>
Tel. 5622-3776 <br>
Fax. 5622-3521
<br>
<br>
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</blockquote>
<br>
<pre class="moz-signature" cols="72">--
===================================================================
Ariel A. Valladares, Professor email: <a class="moz-txt-link-abbreviated" href="mailto:valladar@servidor.unam.mx">valladar@servidor.unam.mx</a>
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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