[Pw_forum] Doubt in computation time

[Neel Singh]

HI 2 all,

I have a doubt. Please help me, i will be very thankful to all of you. When we define our system in terms of atomic positions, we have four option like bohr, angstrom etc. I want to know weather the computational time will be less when we describe any crystal structure in option crystal (atomic positions {crystal}) as compared to angstrom/bohr(atomic positions {angstrom}) as the parameters nat (number of atoms) in &system will less in crystal option as compared to angstrom/bohr option.

Thanks 

Neel Singh
University of Delhi,
India



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