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What Are the Greenest Programming Languages?

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When we choose programming languages, we usually decide based on their syntax, performances, or even learning curve. Yet, a few years ago a group of Portuguese researchers investigated the energy consumption of ๐Ÿฎ๐Ÿณ ๐—บ๐—ผ๐˜€๐˜ ๐—ฝ๐—ผ๐—ฝ๐˜‚๐—น๐—ฎ๐—ฟ ๐—ฝ๐—ฟ๐—ผ๐—ด๐—ฟ๐—ฎ๐—บ๐—บ๐—ถ๐—ป๐—ด ๐—น๐—ฎ๐—ป๐—ด๐˜‚๐—ฎ๐—ด๐—ฒ๐˜€, ๐—บ๐—ฒ๐—ฎ๐˜€๐˜‚๐—ฟ๐—ถ๐—ป๐—ด ๐—ฒ๐˜…๐—ฒ๐—ฐ๐˜‚๐˜๐—ถ๐—ผ๐—ป ๐˜๐—ถ๐—บ๐—ฒ, ๐—ฒ๐—ป๐—ฒ๐—ฟ๐—ด๐˜† ๐—ฐ๐—ผ๐—ป๐˜€๐˜‚๐—บ๐—ฝ๐˜๐—ถ๐—ผ๐—ป, ๐—ฎ๐—ป๐—ฑ ๐—ฝ๐—ฒ๐—ฎ๐—ธ ๐—บ๐—ฒ๐—บ๐—ผ๐—ฟ๐˜† ๐˜‚๐˜€๐—ฒ.

The results are the following:
๐—– ๐—ถ๐˜€ ๐˜๐—ต๐—ฒ ๐—บ๐—ผ๐˜€๐˜ ๐—ฒ๐—ณ๐—ณ๐—ถ๐—ฐ๐—ถ๐—ฒ๐—ป๐˜ ๐—ฝ๐—ฟ๐—ผ๐—ด๐—ฟ๐—ฎ๐—บ๐—บ๐—ถ๐—ป๐—ด ๐—น๐—ฎ๐—ป๐—ด๐˜‚๐—ฎ๐—ด๐—ฒ, ๐˜„๐—ต๐—ถ๐—น๐—ฒ ๐—ฃ๐˜†๐˜๐—ต๐—ผ๐—ป ๐—ฎ๐—ป๐—ฑ ๐—ฃ๐—ฒ๐—ฟ๐—น ๐—ฎ๐—ฟ๐—ฒ ๐˜๐—ต๐—ฒ ๐—น๐—ฒ๐—ฎ๐˜€๐˜ ๐—ฒ๐—ป๐˜ƒ๐—ถ๐—ฟ๐—ผ๐—ป๐—บ๐—ฒ๐—ป๐˜๐—ฎ๐—น ๐—ณ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฑ๐—น๐˜† ๐—ฝ๐—ฟ๐—ผ๐—ด๐—ฟ๐—ฎ๐—บ๐—บ๐—ถ๐—ป๐—ด ๐—น๐—ฎ๐—ป๐—ด๐˜‚๐—ฎ๐—ด๐—ฒ๐˜€.

Abstract: This paper presents a study of the runtime, memory usage, and energy consumption of twenty-seven well-known software languages. We monitor the performance of such languages using ten different programming problems, expressed in each of the languages. Our results show interesting findings, such as slower/faster languages consuming less/more energy, and how memory usage influences energy consumption. We show how to use our results to provide software engineers support to decide which language to use when energy efficiency is a concern.
Link to the paper https://greenlab.di.uminho.pt/wp-content/uploads/2017/10/sleFinal.pdf
Authors: Rui Pereira, Marco Couto, Francisco Ribeiro, Rui Rua, Jacome Cunha, Jaoa Paulo Fernandes, Joao Saraiva (Universidade fo Minho, Portugal)

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