Publication

Concurrent Programming Paradigms, A Comparison in Scala

Martin Odersky
2009
Reports

Abstract

There is a rapid rise of multi-cores in recent hardware architectures. To exploit computational power of multi-core architectures, software should shift to be as concurrent as possible; and therefore should have concurrency control mechanisms. There are different concurrency programming paradigms such as locking and conditions, non-blocking algorithms, actors and software transactional memory (STM). There is a need to compare these approaches in terms of ease of use and performance. This work implements three fundamental cases of credit transfer, producer-consumer and token ring with different paradigms in Scala and the quantitative and qualitative results of the experiments are presented. Besides an STM implementation in Scala is presented.

Official source

https://infoscience.epfl.ch/entities/publication/f027f570-6172-450a-8360-f8b4260a43e0

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Martin Odersky
2009
Reports

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/f027f570-6172-450a-8360-f8b4260a43e0

About this result

Related concepts (32)

Concurrent computing

Concurrent computing is a form of computing in which several computations are executed concurrently—during overlapping time periods—instead of sequentially—with one completing before the next starts. This is a property of a system—whether a program, computer, or a network—where there is a separate execution point or "thread of control" for each process. A concurrent system is one where a computation can advance without waiting for all other computations to complete. Concurrent computing is a form of modular programming.

Programming paradigm

Programming paradigms are a way to classify programming languages based on their features. Languages can be classified into multiple paradigms. Some paradigms are concerned mainly with implications for the execution model of the language, such as allowing side effects, or whether the sequence of operations is defined by the execution model. Other paradigms are concerned mainly with the way that code is organized, such as grouping a code into units along with the state that is modified by the code.

Multi-core processor

A multi-core processor is a microprocessor on a single integrated circuit with two or more separate processing units, called cores, each of which reads and executes program instructions. The instructions are ordinary CPU instructions (such as add, move data, and branch) but the single processor can run instructions on separate cores at the same time, increasing overall speed for programs that support multithreading or other parallel computing techniques.