[Wien] scratch folder in k-point parallel calculation

Yundi Quan quanyundi at gmail.com
Thu Jun 27 22:23:44 CEST 2013


I'm working on a cluster with many nodes. Each node has its own /scratch
folder which cannot be accessed by other nodes. My own data folder is
accessible to all nodes. When the WIEN2k scratch folder is set to './',
everything works fine except that all the data write/read are done in my
own data folder which slows down the system. When the WIEN2k scratch folder
is set to '/scratch', then the scratch files such as case.vector_ created
on one node would not be visible to the other. This would not be a problem
for lapw1 -p and lapw2 -p if each node sticks to certain k points and
searches for scratch files related to these k-points. Is there a way of
configuring WIEN2k to work in this manner?



Yundi
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