A randomized sketching algorithm estimates preconditioner stability in about a constant number of conjugate-gradient iterations and selects among candidate preconditioners with provable approximation guarantees.
Benzi , Preconditioning techniques for large linear systems: a survey , Journal of computa- tional Physics, 182 (2002), pp
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A Randomized Algorithm for Preconditioner Selection
A randomized sketching algorithm estimates preconditioner stability in about a constant number of conjugate-gradient iterations and selects among candidate preconditioners with provable approximation guarantees.