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Motivated by the development of computer theory, the sorting algorithm is emerging in an endless stream. Inspired by decrease and conquer method, we propose a brand new sorting algorithmUltimately Heapsort. The algorithm consists of two…

数据结构与算法 · 计算机科学 2019-02-04 Feiyang Chen , Nan Chen , Hanyang Mao , Hanlin Hu

Shellsort is a sorting method that is attractive due to its simplicity, yet it takes effort to analyze its efficiency. The heart of the algorithm is the gap sequence chosen a priori and used during sorting. The selection of this gap…

数据结构与算法 · 计算机科学 2023-01-03 Oscar Skean , Richard Ehrenborg , Jerzy W. Jaromczyk

The article investigates the relationship between time complexity and energy consumption in sorting algorithms, focusing on commonly-used algorithms implemented in Java: Bubble Sort, Counting Sort, Merge Sort, and Quick Sort. The…

In this poster abstract we will report on a case study on implementing the Heapsort algorithm in hardware and software and comparing their time and energy consumption. Our experiment shows that the Hardware implementation is more energy…

Neighborhood algorithms may take a considerable percentage of computer time in discrete element methods (DEM). While the sort-and-sweep algorithm is ideal in some ways, as it only deal with particles whose relative positions change in one…

计算物理 · 物理学 2026-03-06 Dominik Krengel , Yuki Watanabe , Ko Kandori , Jian Chen , Hans-Georg Matuttis

A key factor that can dramatically reduce the search space during constraint solving is the criterion under which the variable to be instantiated next is selected. For this purpose numerous heuristics have been proposed. Some of the best of…

人工智能 · 计算机科学 2010-08-10 Thanasis Balafoutis , Kostas Stergiou

This dissertation focuses on two fundamental sorting problems: string sorting and suffix sorting. The first part considers parallel string sorting on shared-memory multi-core machines, the second part external memory suffix sorting using…

数据结构与算法 · 计算机科学 2018-08-06 Timo Bingmann

Bitmap indexes must be compressed to reduce input/output costs and minimize CPU usage. To accelerate logical operations (AND, OR, XOR) over bitmaps, we use techniques based on run-length encoding (RLE), such as Word-Aligned Hybrid (WAH)…

数据库 · 计算机科学 2016-08-02 Daniel Lemire , Owen Kaser , Kamel Aouiche

In this master thesis we analyze the complexity of sorting a set of strings. It was shown that the complexity of sorting strings can be naturally expressed in terms of the prefix trie induced by the set of strings. The model of computation…

数据结构与算法 · 计算机科学 2014-08-26 Igor Stassiy

Sorting is a fundamental operation in various applications and a traditional research topic in computer science. Improving the performance of sorting operations can have a significant impact on many application domains. For high-performance…

硬件体系结构 · 计算机科学 2023-10-13 Amir Hossein Jalilvand , Faeze S. Banitaba , Seyedeh Newsha Estiri , Sercan Aygun , M. Hassan Najafi

To improve the performance on a target task, researchers have fine-tuned language models with an intermediate task before the target task of interest. However, previous works have focused on the pre-trained language models and downstream…

软件工程 · 计算机科学 2024-10-07 Qihong Chen , Jiawei Li , Hyunjae Suh , Lianghao Jiang , Zheng Zhou , Jingze Chen , Jiri Gesi , Iftekhar Ahmed

Sorting and hashing are two completely different concepts in computer science, and appear mutually exclusive to one another. Hashing is a search method using the data as a key to map to the location within memory, and is used for rapid…

数据结构与算法 · 计算机科学 2007-05-23 William F. Gilreath

The aim of the paper is to introduce general techniques in order to optimize the parallel execution time of sorting on a distributed architectures with processors of various speeds. Such an application requires a partitioning step. For…

分布式、并行与集群计算 · 计算机科学 2016-08-16 Christophe Cérin , Jean-Christophe Dubacq , Jean-Louis Roch , the SafeScale Collaboration

Smart Sort algorithm is a "smart" fusion of heap construction procedures (of Heap sort algorithm) into the conventional "Partition" function (of Quick sort algorithm) resulting in a robust version of Quick sort algorithm. We have also…

数据结构与算法 · 计算机科学 2012-04-24 Niraj Kumar Singh , Soubhik Chakraborty

Query processing in search engines can be optimized for use for all queries. For this, system component parameters such as the weighting function or the automatic query expansion model can be optimized or learned from past queries. However,…

信息检索 · 计算机科学 2023-02-23 Josiane Mothe , Md Zia Ullah

In this paper we are proposing a new sorting algorithm, List Sort algorithm, is based on the dynamic memory allocation. In this research study we have also shown the comparison of various efficient sorting techniques with List sort. Due the…

数据结构与算法 · 计算机科学 2013-10-30 Adarsh Kumar Verma , Prashant Kumar

We study the selection problem, namely that of computing the $i$th order statistic of $n$ given elements. Here we offer a data structure called \emph{selectable sloppy heap} handling a dynamic version in which upon request: (i)~a new…

数据结构与算法 · 计算机科学 2017-08-11 Adrian Dumitrescu

String sorting is an important part of tasks such as building index data structures. Unfortunately, current string sorting algorithms do not scale to massively parallel distributed-memory machines since they either have latency (at least)…

数据结构与算法 · 计算机科学 2024-04-26 Florian Kurpicz , Pascal Mehnert , Peter Sanders , Matthias Schimek

Recent years have witnessed increasing interest in extending large language models into agentic systems. While the effectiveness of agents has continued to improve, efficiency, which is crucial for real-world deployment, has often been…

While time complexity and space complexity of an algorithm helps to determine its efficiency when time or space needs to be optimized respectively, they fail to determine the more efficient algorithm when time and space both need to be…

数据结构与算法 · 计算机科学 2024-06-25 Arya Chakraborty
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