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math.NA2026
Mixed-Precision Computing for Scientific Discovery: Formats, Co-Design, and Responsible Approximation
Emmanuel Agullo, Hartwig Anzt, Daniel Bauer +37
Reduced and mixed precision have moved from a niche optimization to a central design axis in scientific computing and engineering, driven by energy constraints, heterogeneous accel…
math.NA2022★ 2 cited
Inexact inner-outer Golub-Kahan bidiagonalization method: A relaxation strategy
Vincent Darrigrand, Andrei Dumitrasc, Carola Kruse +1
We study an inexact inner-outer generalized Golub-Kahan algorithm for the solution of saddle-point problems with a two-times-two block structure. In each outer iteration, an inner…