At the moment, neither gmres nor krylov_schur use deflation or the Krylov subspace when restarting. While it has never been a problem in most applications (even before we started LightKrylov), it is something we should incorporate as it is considered a standard part of these algorithms.
At the moment, neither
gmresnorkrylov_schuruse deflation or the Krylov subspace when restarting. While it has never been a problem in most applications (even before we startedLightKrylov), it is something we should incorporate as it is considered a standard part of these algorithms.