Nicolas Tancogne-Dejean requested to merge reduce_memory into develop Jun 21, 2019

Description

Various optimizations linked to the current:

Reduction is done only on np instead of np_part for the current
Using Blas axpy for building the full current
current_kpt is now only allocated on np instead of np_part

News snippet

Various optimizations linked to the current.

Checklist

I have checked that my code follows the Octopus coding standards
I have added tests for all the new features added in this request.