A randomized, modular QR-with-column-pivoting framework (BQRRP) is shown to run up to two orders of magnitude faster than LAPACK's GEQP3 on AMD CPUs and near unpivoted-QR speed on an H100 GPU, in the authors' open-source implementation.
[HQR20] HQRRP Development Team, Lapack-compatible sources for hqrrp ,
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Anatomy of High-Performance Column-Pivoted QR Decomposition
A randomized, modular QR-with-column-pivoting framework (BQRRP) is shown to run up to two orders of magnitude faster than LAPACK's GEQP3 on AMD CPUs and near unpivoted-QR speed on an H100 GPU, in the authors' open-source implementation.