Title
Parallel Write-Efficient Algorithms and Data Structures for Computational Geometry.
Abstract
In this paper, we design parallel write-efficient geometric algorithms that perform asymptotically fewer writes than standard algorithms for the same problem. This is motivated by emerging non-volatile memory technologies with read performance being close to that of random access memory but writes being significantly more expensive in terms of energy and latency. We design algorithms for planar Delaunay triangulation, k -d trees, and static and dynamic augmented trees. Our algorithms are designed in the recently introduced Asymmetric Nested-Parallel Model, which captures the parallel setting in which there is a small symmetric memory where reads and writes are unit cost as well as a large asymmetric memory where writes are $ømega$ times more expensive than reads. In designing these algorithms, we introduce several techniques for obtaining write-efficiency, including DAG tracing, prefix doubling, and α-labeling, which we believe will be useful for designing other parallel write-efficient algorithms.
Year
DOI
Venue
2018
10.1145/3210377.3210380
SPAA '18: 30th ACM Symposium on Parallelism in Algorithms and Architectures Vienna Austria July, 2018
DocType
Volume
ISBN
Conference
abs/1805.05592
978-1-4503-5799-9
Citations 
PageRank 
References 
2
0.36
23
Authors
4
Name
Order
Citations
PageRank
Guy E. Blelloch12927207.30
Yan Gu2435.10
Yihan Sun37311.19
Julian Shun459332.57