282 citations · 1k across the 43 of their papers we have counts for
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cs.DC2018★ 1 cited
A 3D Parallel Algorithm for QR Decomposition
Grey Ballard, James Demmel, Laura Grigori +2
Interprocessor communication often dominates the runtime of large matrix computations. We present a parallel algorithm for computing QR decompositions whose bandwidth cost (communi…
cs.DC2018★ 22 cited
Accurate, Fast and Scalable Kernel Ridge Regression on Parallel and Distributed Systems
Yang You, James Demmel, Cho-Jui Hsieh +1
We propose two new methods to address the weak scaling problems of KRR: the Balanced KRR (BKRR) and K-means KRR (KKRR). These methods consider alternative ways to partition the inp…
cs.DS2018★ 18 cited
Communication-Optimal Convolutional Neural Nets
James Demmel, Grace Dinh
Efficiently executing convolutional neural nets (CNNs) is important in many machine-learning tasks. Since the cost of moving a word of data, either between levels of a memory hiera…