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How To Implement A Parallel "Stable" Three-Way Quicksort Using Intel C++ Compiler And OpenMP 4.5 Library

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7 May 2020CPOL10 min read
I will discuss how to deliver the modern code, using Intel C++ Compiler and OpenMP 4.5 library, that implements the parallel "stable" three-way quicksort, based on the parallel code that has already been discussed in the previous article.
As an example of performing the actual sorting, I will implement a sample program that performs sorting of an array, each element of which is an object that stores two variables of either a "key" or its "value". Also, by using this program I will evaluate the overall performance of the stable sort being implemented, comparing it to the performance of the conventional qsort( ... ) or std::sort( ... ) functions.

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Authors

Arthur V. Ratz
Software Developer (Senior) EpsilonDev
Ukraine Ukraine
I’m software developer, system analyst and network engineer, with over 20 years experience, graduated from L’viv State Polytechnic University and earned my computer science and information technology master’s degree in January 2004. My professional career began as a financial and accounting software developer in EpsilonDev company, located at L’viv, Ukraine. My favorite programming languages - C/C++, C#.NET, Java, ASP.NET, Node.js/JavaScript, PHP, Perl, Python, SQL, HTML5, etc. While developing applications, I basically use various of IDE’s and development tools, including Microsoft Visual Studio/Code, Eclipse IDE for Linux, IntelliJ/IDEA for writing code in Java. My professional interests basically include data processing and analysis algorithms, artificial intelligence and data mining, system analysis, modern high-performance computing (HPC), development of client-server web-applications using various of libraries, frameworks and tools. I’m also interested in cloud-computing, system security audit, IoT, networking architecture design, hardware engineering, technical writing, etc. Besides of software development, I also admire to write and compose technical articles, walkthroughs and reviews about the new IT- technological trends and industrial content. I published my first article at CodeProject in June 2015.

Intel Corporation
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