Context Theoretical foundations Outline of an implementation Conclusion High-Performance Numerical Integration in the Age of C++26 Vincent Reverdy Laboratoire d’Annecy de Physique des Particules, France Context Theoretical foundations Outline of an implementation Conclusion Toward an improved version Integration function (1/4) // Integrate the Friedmann −Lemaitre(−Robertson −Walker) equations template < Context Theoretical foundations Outline of an implementation Conclusion Toward an improved version Integration function (2/4) // Initialization const value_type omega = omega_r0 + omega_m0 + omega_l0; const

Code + GitHub Code Build and debug Test Integrate MaintainContinuous Integration (CI) What is Continuous Integration (CI)? • “The process of automating the build and testing of code every time changes to version control” [What is Continuous Integration? - Azure DevOps | Microsoft Docs]Continuous Integration (CI) What is Continuous Integration (CI)? • “The process of automating the build and testing of code every time a team member commits changes to version control” [What is Continuous Integration? - Azure DevOps | Microsoft Docs] What are the benefits? • Reduces risk – detect and locate errors

Automated Backward Compatibility Basis Path Benchmark Beta Big Bang Integration Binary Portability Black box Bottom Up Integration Boundary Value Branch Breadth Code-driven Comparison Compatibility Functional Fuzz Glass box Globalization Gorilla Gray Box GUI software Hybrid Integration Install/uninstall Integration Inter-Systems Interface Internationalization Keyword-driven Load Localization System integration System Thread Top Down Integration Unit Upgrade Usability User Acceptance User Interface Volume Vulnerability White box WorkflowWhat is a test? 16 Integration System

. . . . . . . . . . . . . . . . . . . . 160 11.8 Conan local cache: concurrency, Continuous Integration, isolation . . . . . . . . . . . . . . . . . . . 160 12 Systems and cross building 163 12.1 Cross . . . . . . . . . . . . . . . . . . . . . . . . . 310 16.6 Using Visual Studio 2017 - CMake integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 16.7 Working with Intel compiler build systems. Conan is completely free and open source and fully decentralized. It has native integration with JFrog Artifactory, including the free Artifactory Community Edition for Conan, enabling developers

. . . . . . . . . . . . . . . . . . . . 182 12.8 Conan local cache: concurrency, Continuous Integration, isolation . . . . . . . . . . . . . . . . . . . 182 13 Systems and cross building 185 13.1 Cross . . . . . . . . . . . . . . . . . . . . . . . . . 334 17.6 Using Visual Studio 2017 - CMake integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335 17.7 Working with Intel compiler build systems. Conan is completely free and open source and fully decentralized. It has native integration with JFrog Artifactory, including the free Artifactory Community Edition for Conan, enabling developers

. . . . . . . . . . . . . . . . . . . . 180 12.8 Conan local cache: concurrency, Continuous Integration, isolation . . . . . . . . . . . . . . . . . . . 180 13 Systems and cross building 183 13.1 Cross . . . . . . . . . . . . . . . . . . . . . . . . . 332 17.6 Using Visual Studio 2017 - CMake integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333 17.7 Working with Intel compiler build systems. Conan is completely free and open source and fully decentralized. It has native integration with JFrog Artifactory, including the free Artifactory Community Edition for Conan, enabling developers

. . . . . . . . . . . . . . . . . . . . 180 12.8 Conan local cache: concurrency, Continuous Integration, isolation . . . . . . . . . . . . . . . . . . . 180 13 Systems and cross building 183 13.1 Cross . . . . . . . . . . . . . . . . . . . . . . . . . 332 17.6 Using Visual Studio 2017 - CMake integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333 17.7 Working with Intel compilers build systems. Conan is completely free and open source and fully decentralized. It has native integration with JFrog Artifactory, including the free Artifactory Community Edition for Conan, enabling developers

. . . . . . . . . . . . . . . . . . . . 154 11.8 Conan local cache: concurrency, Continuous Integration, isolation . . . . . . . . . . . . . . . . . . . 154 12 Systems and cross building 157 12.1 Cross . . . . . . . . . . . . . . . . . . . . . . . . . 304 16.6 Using Visual Studio 2017 - CMake integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305 16.7 Working with Intel compiler build systems. Conan is completely free and open source and fully decentralized. It has native integration with JFrog Artifactory, including the free Artifactory Community Edition for Conan, enabling developers

. . . . . . . . . . . . . . . . . . . . 158 11.8 Conan local cache: concurrency, Continuous Integration, isolation . . . . . . . . . . . . . . . . . . . 158 12 Systems and cross building 161 12.1 Cross . . . . . . . . . . . . . . . . . . . . . . . . . 306 16.6 Using Visual Studio 2017 - CMake integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 16.7 Working with Intel compiler build systems. Conan is completely free and open source and fully decentralized. It has native integration with JFrog Artifactory, including the free Artifactory Community Edition for Conan, enabling developers

. . . . . . . . . . . . . . . . . . . . 158 11.8 Conan local cache: concurrency, Continuous Integration, isolation . . . . . . . . . . . . . . . . . . . 158 12 Systems and cross building 161 12.1 Cross . . . . . . . . . . . . . . . . . . . . . . . . . 308 16.6 Using Visual Studio 2017 - CMake integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309 16.7 Working with Intel compiler build systems. Conan is completely free and open source and fully decentralized. It has native integration with JFrog Artifactory, including the free Artifactory Community Edition for Conan, enabling developers