Hsr-enhanced sparse attention acceleration

B Chen, Y Liang, Z Sha, Z Shi, Z Song - arxiv preprint arxiv:2410.10165, 2024 - arxiv.org
Large Language Models (LLMs) have demonstrated remarkable capabilities across various
applications, but their performance on long-context tasks is often limited by the …

Almost-linear time algorithms for incremental graphs: Cycle detection, sccs, st shortest path, and minimum-cost flow

L Chen, R Kyng, YP Liu, S Meierhans… - Proceedings of the 56th …, 2024 - dl.acm.org
We give the first almost-linear time algorithms for several problems in incremental graphs
including cycle detection, strongly connected component maintenance, st shortest path …

On approximate fully-dynamic matching and online matrix-vector multiplication

YP Liu - 2024 IEEE 65th Annual Symposium on Foundations of …, 2024 - ieeexplore.ieee.org
We study connections between the problem of fully dynamic (1-ϵ)-approximate maximum
bipartite matching, and the dual (1+ϵ)-approximate vertex cover problem, with the online …

Almost-linear time algorithms for decremental graphs: Min-cost flow and more via duality

J Van Den Brand, L Chen, R Kyng… - 2024 IEEE 65th …, 2024 - ieeexplore.ieee.org
We give the first almost-linear total time algorithm for deciding if a flow of cost at most F still
exists in a directed graph, with edge costs and capacities, undergoing decremental updates …

[PDF][PDF] Near-optimal dynamic rounding of fractional matchings in bipartite graphs

S Bhattacharya, P Kiss, A Sidford, D Wajc - Proceedings of the 56th …, 2024 - dl.acm.org
We study dynamic (1− є)-approximate rounding of fractional matchings—a key ingredient in
numerous breakthroughs in the dynamic graph algorithms literature. Our first contribution is …

Incremental approximate maximum flow on undirected graphs in subpolynomial update time

J van den Brand, L Chen, R Kyng, YP Liu, R Peng… - Proceedings of the 2024 …, 2024 - SIAM
We provide an algorithm which, with high probability, maintains a (1—ɛ)-approximate
maximum flow on an undirected graph undergoing m-edge additions in amortized mo (1) ɛ …

Dynamic maxflow via dynamic interior point methods

J van den Brand, YP Liu, A Sidford - Proceedings of the 55th Annual …, 2023 - dl.acm.org
In this paper we provide an algorithm for maintaining a (1− є)-approximate maximum flow in
a dynamic, capacitated graph undergoing edge insertions. Over a sequence of m insertions …

Entropy regularization and faster decremental matching in general graphs

J Chen, A Sidford, TW Tu - Proceedings of the 2025 Annual ACM-SIAM …, 2025 - SIAM
We provide an algorithm that maintains, against an adaptive adversary, a (1—ε)-
approximate maximum matching in n-node m-edge general (not necessarily bipartite) …

Chasing positive bodies

S Bhattacharya, N Buchbinder, R Levin… - 2023 IEEE 64th …, 2023 - ieeexplore.ieee.org
We study the problem of chasing positive bodies in 1: given a sequence of bodies
K_t=\left{x^t∈R_+^n∣C^tx^t≧1,P^tx^t≦1\right\} revealed online, where C^t and P^t are …

Streaming Semidefinite Programs: Passes, Small Space and Fast Runtime

Z Song, M Ye, L Zhang - arxiv preprint arxiv:2309.05135, 2023 - arxiv.org
We study the problem of solving semidefinite programs (SDP) in the streaming model.
Specifically, $ m $ constraint matrices and a target matrix $ C $, all of size $ n\times n …