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@heiseonline@social.heise.de
2025-09-26 15:54:00

SSDs: Erste Preissteigerungen bahnen sich an
KI-Server bringen den gesamten Speichermarkt durcheinander. Auch Endkunden-SSDs könnten dadurch teurer werden.
heise.de/news/SSDs-Erste-Prei…

SSDs: Erste Preissteigerungen bahnen sich an
KI-Server bringen den gesamten Speichermarkt durcheinander. Auch Endkunden-SSDs könnten dadurch teurer werden.

@arXiv_mathNA_bot@mastoxiv.page
2025-08-21 08:08:40

A High Performance GPU CountSketch Implementation and Its Application to Multisketching and Least Squares Problems
Andrew J. Higgins, Erik G. Boman, Ichitaro Yamazaki
arxiv.org/abs/2508.14209

A High Performance GPU CountSketch Implementation and Its Application to Multisketching and Least Squares Problems
Random sketching is a dimensionality reduction technique that approximately preserves norms and singular values up to some $O(1)$ distortion factor with high probability. The most popular sketches in literature are the Gaussian sketch and the subsampled randomized Hadamard transform, while the CountSketch has lower complexity. Combining two sketches, known as multisketching, offers an inexpensive means of quickly reducing the dimension of a matrix by combining a CountSketch and Gaussian sketch.…