no code implementations • 20 Dec 2019 • Sélim Chraibi, Ahmed Khaled, Dmitry Kovalev, Peter Richtárik, Adil Salim, Martin Takáč
We propose basic and natural assumptions under which iterative optimization methods with compressed iterates can be analyzed.
no code implementations • 25 Sep 2019 • Sélim Chraibi, Adil Salim, Samuel Horváth, Filip Hanzely, Peter Richtárik
Preconditioning an minimization algorithm improve its convergence and can lead to a minimizer in one iteration in some extreme cases.