n.edu]
Gesendet: Donnerstag, 18. Juni 2009 14:41
An: A Mailing list for WIEN2k users
Betreff: Re: [Wien] core2quad processor
In addition to what Stefaan said, try parallel compilation (you need a
good mpi scalapack library) and also try parallel.
For serial use in .machines
1:localnode
1:localn
> I recently installed wien2k_09 on my PC having core 2 quad 2.83 GHz cpu. The
> program is using only 25%cpu. Any suggestion to increase the usage of cpu.
> Should I use parallel configuration to use all four cpu.
Obviously yes. Provide a .machines file with four identical entries, and
use the
That means your .bashrc is not configured properly. There is a line in
.bashrc (.bash_profile)
export OMP_NUM_THREADS=??
here you can give the number of processor/s and reboot (logout). Usually
while installing wien_2k it takes threads equal to 1 (one). In place of 1
you have replace by 4 as quad
Dear friends,
I recently installed wien2k_09 on my PC having core 2 quad 2.83 GHz cpu. The
program is using only 25%cpu. Any suggestion to increase the usage of cpu.
Should I use parallel configuration to use all four cpu.
Please excuse me to ask non-conventional type of question but please help
In addition to what Stefaan said, try parallel compilation (you need a
good mpi scalapack library) and also try parallel.
For serial use in .machines
1:localnode
1:localnode
1:localnode
1:localnode
For parallel
1:localnode:4
(You may need to change localnode to whatever is relevant).
Benchmark th
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