Modern programming languages for HEP Modern programming languages for HEP Sebastien Ponce sebastien.ponce@cern.ch CERN Thematic CERN School of Computing 2022 1/65 S.Ponce-CERN
Modern programming languages for HEP 1 / 65 S. Ponce - CERN pyOrC++ UsableCpp perfC++ python3 Conclusion Modern programming languages for HEP S´ebastien Ponce sebastien.ponce@cern.ch CERN Thematic CERN School of Computing 2022
Modern programming languages for HEP pyOr++UsahleCpp perfC++python Goal of this course Make a tour of latest improvements in HEP programming languages 。C++and python o Understand the use cases of each language the evolution of C++ how this impacts performances o Make a quick tour of python 3 changes 。and help migrating 2/65 S.Ponce-CERN
Modern programming languages for HEP 2 / 65 S. Ponce - CERN pyOrC++ UsableCpp perfC++ python3 Conclusion Goal of this course Make a tour of latest improvements in HEP programming languages C ++and python Understand the use cases of each language the evolution of C++ how this impacts performances Make a quick tour of python 3 changes and help migrating
Modern programming languages for HEP Outline Why python and C++ Pros and Cons of each language o Respective usecases ②C+getting usable o Language "simplifications" o Making bad code harder to write ③Performant C+ o New performance related features oTemplates o Avoiding virtuality when possible Migrating from Python 2 to python 3 Tour of python 3 changes How to support both versions How to migrate ⑤Conclusion 3/65 S.Ponce-CERN
Modern programming languages for HEP 3 / 65 S. Ponce - CERN pyOrC++ UsableCpp perfC++ python3 Conclusion Outline 1 Why python and C++ Pros and Cons of each language Respective usecases 2 C ++getting usable Language “simplifications” Making bad code harder to write 3 Performant C++ New performance related features Templates Avoiding virtuality when possible 4 Migrating from Python 2 to python 3 Tour of python 3 changes How to support both versions How to migrate 5 Conclusion
Modern programming languages for HEP 4心，Py0rC十+UsahleCpp perfC+ Why python and C++ ①Why python and C+ Pros and Cons of each language Respective usecases C+fgetting usable Performant C++ Migrating from Python 2 to python 3 Conclusion ProCons UhaeCate 4/65 S.Ponce-CERN
Modern programming languages for HEP 4 / 65 S. Ponce - CERN pyOrC++ UsableCpp perfC++ python3 Conclusion ProCons UseCase Why python and C++ 1 Why python and C++ Pros and Cons of each language Respective usecases 2 C ++getting usable 3 Performant C++ 4 Migrating from Python 2 to python 3 5 Conclusion
Modern programming languages for HEP 4心PyOrC-十+UsahleCpp perfC+ 花5 Why python and C++ ①Why python and C+ Pros and Cons of each language o Respective usecases C+fgetting usable Performant C++ Migrating from Python 2 to python 3 Conclusion ProCons UaeCate 5/65 S.Ponce-CERN
Modern programming languages for HEP 5 / 65 S. Ponce - CERN pyOrC++ UsableCpp perfC++ python3 Conclusion ProCons UseCase Why python and C++ 1 Why python and C++ Pros and Cons of each language Respective usecases 2 C ++getting usable 3 Performant C++ 4 Migrating from Python 2 to python 3 5 Conclusion