optimisation du code wikipedia - EAS

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  1. Mathematical optimization (alternatively spelled optimisation) or mathematical programming is the selection of a best element, with regard to some criterion, from some set of available alternatives. It is generally divided into two subfields: discrete optimization and continuous optimization.

    Mathematical optimization - Wikipedia

    en.wikipedia.org/wiki/Mathematical_optimization
    en.wikipedia.org/wiki/Mathematical_optimization
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    How do you evaluate code optimization?
    Thus code optimizations should be carefully documented (preferably using in-line comments), and their effect on future development evaluated. The program that performs an automated optimization is called an optimizer. Most optimizers are embedded in compilers and operate during compilation.

    Program optimization - Wikipedia

    en.wikipedia.org/wiki/Program_optimization
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    Why is it important to optimize your code?
    Because manually optimized code might sometimes have less "readability" than unoptimized code, optimization might impact maintainability of it as well. Optimization comes at a price and it is important to be sure that the investment is worthwhile.

    Program optimization - Wikipedia

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    What is an automatic optimizer in computer programming?
    An automatic optimizer (or optimizing compiler, a program that performs code optimization) may itself have to be optimized, either to further improve the efficiency of its target programs or else speed up its own operation.

    Program optimization - Wikipedia

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    What are the best practices for code optimization?
    After the programmer is reasonably sure that the best algorithm is selected, code optimization can start. Loops can be unrolled (for lower loop overhead, although this can often lead to lower speed if it overloads the CPU cache ), data types as small as possible can be used, integer arithmetic can be used instead of floating-point, and so on.

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    Optimisation de code — Wikipédia

    https://fr.wikipedia.org/wiki/Optimisation_de_code

    En programmation informatique, l'optimisation de code est la pratique consistant à améliorer l'efficacité du code informatique d'un programme ou d'une bibliothèque logicielle. Ces améliorations permettent généralement au programme résultant de s'exécuter plus rapidement, de prendre moins de … See more

    Principes d'optimisation

    La règle numéro un de l'optimisation est qu'elle ne doit intervenir qu'une fois que le programme fonctionne et répond aux spécifications fonctionnelles. L'expérience montre qu'appliquer des optimisations de bas niveau du code … See more

    Voir aussi

    • Optimisation de requête
    • Évaluation paresseuse
    • Recherche de sous-expressions communes See more

    Pratique de l'optimisation

    Pour suivre l’efficacité d’une optimisation, le développeur s’appuie sur des tests de performance, c’est-à-dire sur des mesures objectives du temps … See more

    Optimisation automatique

    Les compilateurs sont souvent capables de faire des optimisations locales, auxquelles aucun développeur ne penserait en première approche.
    Pour le langage C, cela peut considérer :
    • les variables locales et les registres ;
    • les fonctions non … See more

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  4. Program optimization - Wikipedia

    https://en.wikipedia.org/wiki/Program_optimization

    In computer science, program optimization, code optimization, or software optimization, is the process of modifying a software system to make some aspect of it work more efficiently or use fewer resources. In general, a computer program may be optimized so that it executes more rapidly, or to make it capable of operating with less memory storage or other resources, or draw less power.

    Wikipedia · Text under CC-BY-SA license
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    • Object code optimizer - Wikipedia

      https://en.wikipedia.org/wiki/Object_code_optimizer
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      The main advantage of re-optimizing existing programs was that the stock of already compiled customer programs (object code) could be improved almost instantly with minimal effort, reducing CPU resources at a fixed cost (the price of the proprietary software). A disadvantage was that new releases of C…
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      • Estimated Reading Time: 7 mins

      • Optimisation (mathématiques) — Wikipédia

        https://fr.wikipedia.org/wiki/Optimisation_(mathématiques)
        • Antiquité
          Les premiers problèmes d'optimisation auraient été formulés par Euclide, au IIIe siècle avant notre ère, dans son ouvrage historique Éléments. Trois cents ans plus tard, Héron d'Alexandrie dans Catoptrica énonce le « principe du plus court chemin » dans le contexte de l'optique[1](voi…
        • Introduction de calcul différentiel
          Au XVIIe siècle, l'apparition du calcul différentiel entraîne l'invention de techniques d'optimisation, ou du moins en fait ressentir la nécessité. Newton met au point une méthode itérative permettant de trouver les extrémums locaux d'une fonction en faisant intervenir la notion de dérivée, issue d…
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        • Estimated Reading Time: 11 mins

        • Optimization problem - Wikipedia - BME

          https://static.hlt.bme.hu/semantics/external/pages/...

          In mathematics and computer science, an optimization problem is the problem of finding the best solution from all feasible solutions. Optimization problems can be divided into two categories …

        • Optimisasi mesin pencari - Wikipedia bahasa Indonesia, …

          https://id.wikipedia.org/wiki/Optimisasi_mesin_pencari

          Optimisasi mesin pencari atau search engine optimization, biasa disingkat "SEO" adalah serangkaian proses yang dilakukan secara sistematis yang bertujuan untuk meningkatkan …

        • Adam - Cornell University Computational Optimization Open …

          optimization.cbe.cornell.edu/index.php?title=Adam

          Dec 16, 2021 · Adam optimizer is the extended version of stochastic gradient descent which could be implemented in various deep learning applications such as computer vision …

        • Optimizing C++ - Wikibooks, open books for an open world

          https://en.wikibooks.org/wiki/Optimizing_C++

          Sep 20, 2018 · Subject. This book contains guidelines and advices on how to write efficient software using the C++ language. Software correctness and maintainability are taken into …

        • Codon optimization: a mathematical programing approach

          https://pubmed.ncbi.nlm.nih.gov/32311016

          Jul 01, 2020 · Codon optimization is designing codons that improve one or more of these objectives. Currently available algorithms and software solutions either rely on heuristics …

        • CCM : Optimisation du code - CodeS-SourceS

          https://codes-sources.commentcamarche.net/source...

          Supprimer un item dans un tableau en le parcourant une seule fois. il s'agit d'une itération permettant de supprimer un élément d'un tableau ne se trouvant pas à la fin. Ceci sans …

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