In data 30 aprile 2009 alle ore 16:18:38, Ihsan Erikat <ihsanas at yahoo.com> ha scritto:
> Hello all > I am? running pwscf on 10 CPU how are they connected to each other? > and? the k points in my file is 3x6x1. how many kpoints do you have after symmetry operations have been applied? > When I use? the command mpirun -np xx? pw.x -npool x , how can I choose? > the effective number of processors and pools. All processors inside the same pool must be able to comunicate with each other with an extremely large bandwidth and low latency. You can have a benefit by taking the number of pools as a divisor of the number of kpoints, especially if the number of kpoints is small. regards -- Lorenzo Paulatto SISSA & DEMOCRITOS (Trieste) phone: +39 040 3787 511 skype: paulatz www: http://people.sissa.it/~paulatto/ *** save italian brains *** http://saveitalianbrains.wordpress.com/
