[Wien] Compilation options for Intel EM64T

[Michael Gurnett]

Thank you Peter, I will try this.

Here are the details for the benchmark now:

Pentium IV D dual core 2.8 Ghz (820)
DDR2 memory
IFORT 9.0
cmkl 8.0

Time: 192 seconds

----- Original Message ----- 
From: "Peter Blaha" <pblaha at theochem.tuwien.ac.at>
To: "A Mailing list for WIEN2k users" <wien at zeus.theochem.tuwien.ac.at>
Sent: Tuesday, November 08, 2005 9:08 AM
Subject: Re: [Wien] Compilation options for Intel EM64T


> Try the p-threaded gotolib. It should utilize both prozessors during
> diagonalization.
>
>> I have just installed Wien2k on our dual core 2.8 Ghz, using ifort 9 and
>> cluster mkl 8.0 on CentOS 4. The time I obtained for the test_case was 
>> 192 s
>> (3:12). This was using the same setup as you. Are you sure you didn't 
>> obtain
>> 3:19 and not 319. Otherwise I don't know why you would be running so 
>> slow. I
>> am quit happy with my times, but if anyone has some hinta on how to 
>> further
>> improve speed to take advantage of the dual core I would be greatful.  I 
>> am
>> know planning on overclocking from 2.8 to around 4 Ghz. See what times I 
>> can
>> get out.
>
>                                      P.Blaha
> --------------------------------------------------------------------------
> Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
> Phone: +43-1-58801-15671             FAX: +43-1-58801-15698
> Email: blaha at theochem.tuwien.ac.at    WWW: 
> http://info.tuwien.ac.at/theochem/
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