Optimize deflated vector exchange
Optimize deflated vector exchange

dondieselkopf/amgcl,dondieselkopf/amgcl,ddemidov/amgcl,huahbo/amgcl,huahbo/amgcl,ddemidov/amgcl,dondieselkopf/amgcl,ddemidov/amgcl,ddemidov/amgcl,huahbo/amgcl